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Wang J, Dou B, Zheng L, Cao W, Zeng X, Wen Y, Ma J, Li X. Synthesis of Na2S2O4 mediated cleavable affinity tag for labeling of O-GlcNAc modified proteins via azide-alkyne cycloaddition. Bioorganic & medicinal chemistry letters 2021 48 34229054
Abstract:
A facile and convergent procedure for the synthesis of azobenzene-based probe was reported, which could selectively release interested proteins conducted with sodium dithionite. Besides, the cleavage efficiency is closely associated with the structural features, in which an ortho-hydroxyl substituent is necessary for reactivity. In addition, the azobenzene tag applied in the Ac4GlcNAz-labled proteins demonstrated high efficiency and selectivity in comparison with Biotin-PEG4-Alkyne, which provides a useful platform for enrichment of any desired bioorthogonal proteomics.
O-GlcNAc proteins:
PGP, EIFCL, KIF2A, PDLI1, BACH, DFFA, CLIC1, EIF3F, IF2B3, RTCA, PSDE, PPP6, RPC1, PSA7, HNRDL, SC16A, RPAC1, NKRF, EIF3H, PAPS1, SNUT1, ARK72, MYO1B, IDH3B, SAHH2, PLIN3, IMA7, UGDH, CTND1, SNX2, BRD4, WDR1, TBCA, FLNB, PR40A, MPPB, NDUS3, ECI2, CSDE1, U520, WDHD1, EIF3G, PSD10, IDHC, GLRX3, RL1D1, CIAO1, PLPHP, ERLN2, GLSK, SC31A, UBR5, ELP1, VAPB, 6PGL, AGM1, AHSA1, PSMG1, SGPL1, AP2A1, STAU1, TTC4, BPNT1, MBD3, TOM40, ACL6A, GSHR, PNPH, CYTB, KITH, P53, TPM3, PROF1, FUMH, ODPA, CY1, SRP19, DLDH, RU2A, UCHL1, ALDOC, THIO, KAP0, ESTD, ODPB, PYGB, ACADM, G6PD, ADHX, CDK4, HARS1, PEPD, P4HA1, ETFA, MIF, AK1A1, CCNB1, GLNA, DESP, FER, UBF1, PRS6A, RL35A, NELFE, RCC1, E2AK2, SPEE, ANXA7, RAB6A, PSB1, IMDH1, GSTM3, VATB2, FLNA, ACOC, SDHB, PIMT, FBRL, NDKB, ADRO, TCEA1, TBG1, MAOM, IF4B, THTM, RS12, BRD2, DNJB1, PSA1, PSA2, PSA4, STOM, PYR1, PSB4, PSB6, NDUS1, DPOD1, AMPL, ERP29, PRDX3, ECHM, PEBP1, PDIA3, HMOX2, PURA2, PUR8, AL1B1, RPB2, GDIA, TIA1, QCR1, HNRH3, STIP1, PRDX2, P5CR1, DUT, PROF2, SPB6, RADI, T2FA, MYH9, MYH10, FUS, PRS7, MP2K2, HEM6, GNL1, ODO2, SRP14, TALDO, ETFB, VATA, IF4A3, TXLNA, BUD31, CSK, THIM, LIS1, NAMPT, PRS6B, RECQ1, NOP2, CRKL, NSF, CAPZB, COPD, IDHP, AL9A1, RL34, FAS, SYCC, PSB3, IDH3A, SERPH, ANX11, FXR1, FXR2, SMCA4, GALK1, ROA3, HNRPM, IMA5, GDIR1, HNRPF, KIF11, THOP1, CAZA1, BIEA, MAP11, SUCA, SC24C, DRG2, ECHB, DSRAD, HNRH2, IF6, CORO7, ARPC4, CD81, SC61B, MYL6, PSA6, CDC42, SRP54, UB2D3, UBC12, ARP3, RL37A, COPZ1, NTF2, 1433G, PP1A, PP1B, SMD2, PRS10, ERF1, CNBP, H4, RAP1A, RS30, GBB1, GBB2, TRA2B, 2ABA, DYL1, RL38, PP2AA, TBA1B, GSTO1, DCD, RT05, RT09, RL36A, H33, VIGLN, FKBP3, DHSO, EXOSX, ODO1, MMSA, TF65, LGUL, 1433F, CSTF1, SRS11, EF1A2, PTN11, PUR1, GFPT1, C1QBP, BAX, SRSF4, RBBP4, ASPH, GRSF1, AIMP1, ILF3, CSN1, RED, MTAP, TADBP, ROA0, STX5, SRSF9, SRSF5, IFIT5, EIF3I, DC1I2, PICAL, ULA1, SNW1, FHL1, BOP1, UBP2L, DYHC1, EI2BA, TRI25, FLNC, GNA13, CAPR1, KPRA, UBP10, CHD4, NUMA1, GAPD1, EMC2, SEPT2, IF4H, IPYR, CNN3, SC23B, SF01, TRIP6, MARE1, ELAV1, TOM34, VAMP3, ADRM1, PKN2, CSRP2, DPYL2, RBBP7, H2B2E, PCKGM, TRXR1, TIM50, FA98B, ZN326, PREP, RRP12, SYAM, EXOS6, CAF17, UBR4, NT5D1, PDE12, JMJD6, CDC73, EDC4, PRP8, RL22L, SYDM, GGYF2, HSDL2, TM10C, ZCCHV, DHX29, DCXR, HUWE1, ACOT1, KTN1, CARM1, STX12, HORN, SPB1, SRRM1, SUV3, TXND5, SCPDL, FA98A, PCAT1, FAD1, UBA3, NEK9, BRX1, ZC3HF, SCFD1, HNRLL, ATX2L, PSPC1, P66B, DNJC9, DDX1, H1X, PSMF1, RT27, LAR4B, ARC1A, RENT1, FUBP1, P5CR2, TRM61, ZCCHL, PGAM5, FUBP3, SPF45, THOC3, ZFR, SNX27, RBM14, PRPK, TBCB, CDC5L, PARK7, HCD2, ROAA, EBP2, VRK1, NIPS1, MEP50, TBA1C, ERP44, NTPCR, DDX23, MTNA, NTM1A, TM109, SYTM, THIC, RBM4, HDHD5, ITPA, EIF2A, PDIP3, MK67I, GTPB4, REN3B, API5, UBE2O, WDR12, SLIRP, NAA50, ILKAP, SLK, PININ, YTDC2, RPF2, QTRT2, ARMT1, CSN7B, ELP3, KT3K, MRM3, GLOD4, MCCB, CWC22, WDR6, VTA1, EXOS4, INO1, LUC7L, TIGAR, XPP1, SIAS, PHP14, HELLS, ECHD1, RBM12, DD19A, SEP11, TBC13, ATD3A, DDX18, PNPO, RBM28, LYAR, DPP3, BCLF1, F120A, HPBP1, MAT2B, RRBP1, GMPR2, GRHPR, TES, CHRD1, SEPT9, EI2BD, DBNL, DDX41, APC7, STML2, MRT4, ACINU, NUP50, PSME2, MYO6, CHIP, CSN3, SRRM2, CD11A, SMC3, RTRAF, PIN4, PLAP, NUDC, COF2, AP3M1, TR150, NOP58, SGT1, SYYM, SBDS, EXOS1, SF3B6, RRP15, RT23, STRAP, CHTOP, SAMH1, TLN1, HYOU1, ATG4B, TBL2, PRC2C, PPME1, YTHD2, SNX9, SERC, CLIC4, DC1L1, S23IP
Species: Homo sapiens
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Ramirez DH, Aonbangkhen C, Wu HY, Naftaly JA, Tang S, O'Meara TR, Woo CM. Engineering a Proximity-Directed O-GlcNAc Transferase for Selective Protein O-GlcNAcylation in Cells. ACS chemical biology 2020 15(4) 32119511
Abstract:
O-Linked β-N-acetylglucosamine (O-GlcNAc) is a monosaccharide that plays an essential role in cellular signaling throughout the nucleocytoplasmic proteome of eukaryotic cells. Strategies for selectively increasing O-GlcNAc levels on a target protein in cells would accelerate studies of this essential modification. Here, we report a generalizable strategy for introducing O-GlcNAc into selected target proteins in cells using a nanobody as a proximity-directing agent fused to O-GlcNAc transferase (OGT). Fusion of a nanobody that recognizes GFP (nGFP) or a nanobody that recognizes the four-amino acid sequence EPEA (nEPEA) to OGT yielded nanobody-OGT constructs that selectively delivered O-GlcNAc to a series of tagged target proteins (e.g., JunB, cJun, and Nup62). Truncation of the tetratricopeptide repeat domain as in OGT(4) increased selectivity for the target protein through the nanobody by reducing global elevation of O-GlcNAc levels in the cell. Quantitative chemical proteomics confirmed the increase in O-GlcNAc to the target protein by nanobody-OGT(4). Glycoproteomics revealed that nanobody-OGT(4) or full-length OGT produced a similar glycosite profile on the target protein JunB and Nup62. Finally, we demonstrate the ability to selectively target endogenous α-synuclein for O-GlcNAcylation in HEK293T cells. These first proximity-directed OGT constructs provide a flexible strategy for targeting additional proteins and a template for further engineering of OGT and the O-GlcNAc proteome in the future. The use of a nanobody to redirect OGT substrate selection for glycosylation of desired proteins in cells may further constitute a generalizable strategy for controlling a broader array of post-translational modifications in cells.
O-GlcNAc proteins:
SBNO1, CNOT1, P121C, DX39A, GTPB1, AP3B1, PGRC1, TAF4, EIF3F, IPO5, IF2B3, NOP56, DDX3X, ARI1A, IRS4, ANM5, TCRG1, PSA7, HGS, MYPT1, HNRDL, XPO1, SET1A, PUR4, NPC1, TIF1A, NKRF, OGT1, PPM1G, EIF3D, EIF3H, DHX15, SERA, HNRPR, IF4G3, E41L2, ZN207, BUB3, ACTN4, HTSF1, AP1G1, SYNC, AKAP8, CALU, SMCA5, JIP4, OGA, HNRPQ, DIAP1, TSN3, SNX2, DKC1, CLAP2, CPNE3, PHF2, ANR17, H2AY, FLNB, NCOR1, CISY, PR40A, SF3B1, CSDE1, U520, EIF3G, PRAF3, SRP72, MTA2, TOX4, SC24D, SC31A, SCAF4, ZRAB2, LC7L3, VAPB, IPO7, SC24B, ACSL3, AP2A1, AIFM1, LDHA, COX2, HPRT, AATM, PGK1, LMNA, TFR1, ALDOA, OAT, G3P, RPN1, RPN2, AT1A1, ADT2, PCCA, IF2A, RLA0, ITB1, ATPB, ENOA, PYGL, G6PI, NPM, LDHB, PDIA1, H10, TBB5, HEXB, PROF1, SYEP, HS90A, HNRPC, 4F2, HS90B, ASNS, ODPA, RU17, RSSA, SNRPA, GSTP1, HMGB1, DLDH, ROA1, PARP1, LKHA4, HS71B, H14, ODP2, THIO, CH60, BIP, HSP7C, EPB41, ODPB, LAMP1, ACADM, TOP1, TOP2A, PYC, C1TC, MPRI, PRPS2, PABP1, PCNA, HARS1, IMDH2, TPR, KCRB, XRCC6, XRCC5, EF2, PDIA4, PLST, GLU2B, KPYM, ENPL, PO2F1, HNRPL, SYDC, PLAK, ALDR, EZRI, GNS, RS2, CREB1, H12, AT2A2, JUNB, PYRG1, DDX5, PRS6A, TCPA, RL35A, RL7, VINC, SON, RCC1, NUCL, HXK1, E2AK2, SPEE, IF2B, ANXA7, LMNB1, FLNA, VDAC1, FBRL, PUR2, PUR6, UBA1, NDKB, ROA2, RFX1, TCEA1, SFPQ, PPIB, RS3, NFYA, SAHH, COF1, IF4B, EF1B, MCM3, BRD2, ATPA, PSA1, PSA3, PSA4, PAX6, U2AF2, RL13, PTBP1, SYTC, SYVC, EF1G, RFA1, APEX1, PYR1, CALR, MAP4, CALX, PSB5, TKT, PRDX6, PRDX5, PRDX3, RL12, PEBP1, PDIA3, 2AAA, CDC27, AMRP, SDHA, QCR1, PUR9, HNRH1, STIP1, PRDX2, RL9, CSTF2, MCM4, MCM5, MCM7, GLYM, HSP74, PHB, MYH9, COPB2, ADDA, BASI, FUS, NU214, DEK, MP2K2, ATPG, RL4, SRP14, NUP62, RBMX, GRP75, IF4A3, RS19, RL3, TXLNA, TCPZ, MDHC, MDHM, ECHA, IF2G, GARS, SYIC, LAP2A, LAP2B, MTREX, RS27, LPPRC, MATR3, RANG, VDAC2, UBP5, KI67, RAGP1, NOP2, CRKL, BAG6, RL27A, RL5, RL21, RL28, RS9, STT3A, COPD, PRC2A, TCPE, AL9A1, RL34, NASP, FAS, TCPG, EFTU, SYAC, SYSC, PSB3, MCM2, YLPM1, TMEDA, RBM25, NU153, RBP2, GSK3A, TAF6, GUAA, MRE11, GDIB, EMD, F10A1, LRBA, RL14, TCPQ, TCPD, ANX11, PAPOA, RAB7A, SMCA4, HCFC1, DHB4, ROA3, 6PGD, HNRPM, IMA1, AGFG1, HNRPF, MSH6, RBM5, NUP98, ACLY, COPB, COPA, MOT1, SC24C, SYRC, SYYC, AT1B3, RD23B, P5CS, IF5, XPO2, TERA, AFAD, DSRAD, PSA, SYMC, CTBP2, NU107, TPIS, ACTB, IF4A1, PSA6, ARF3, ABCE1, RAP1B, RS3A, RL26, RL15, S61A1, HNRPK, RS7, RS8, 1433E, RS14, RS23, RS11, SMD1, RL7A, RS4X, H4, RAN, RL23, GBB2, RL10A, RL11, RL8, PPIA, RL40, TRA2B, AP2B1, IF5A1, RACK1, YBOX1, EF1A1, TBB4B, CSK21, IF4G2, GTF2I, TCPB, PRKDC, RL24, RL19, SRSF3, FOXK1, RBM10, MPCP, CLH1, HNRPU, SPTB2, FOXK2, CAP1, LAT1, EXOSX, EWS, RL18A, FKBP4, RL6, TOP2B, KMT2A, LMNB2, TF65, IF4G1, TLE3, SRS11, PUR1, SUH, GABPA, PRDX1, RL18, C1QBP, KHDR1, SRSF1, DHX9, CD47, SSRP1, RBBP4, AHNK, AP1B1, NU160, BPTF, TP53B, AIMP1, ILF2, ILF3, LMAN2, TRAP1, PP1R8, ACACA, ROA0, PRDX4, CBX3, PSMD2, SRSF6, TIF1B, PTK7, PABP4, EIF3I, TCOF, SF3B2, TMED1, PICAL, RIPK1, HDAC1, CUL4B, CD166, IDI1, NFYC, CKAP5, HNRPD, SCRB2, DSG2, EIF3A, UBP2L, SCRIB, TTL12, DCTN1, DYHC1, SRC8, CAPR1, RBM39, MCM6, MDC1, EPN4, SMC1A, RRP1B, UBP10, GANAB, LBR, ZN638, IMB1, NUMA1, SEPT2, SART3, U5S1, SYK, BRD3, PDIA6, IPYR, TEBP, NONO, PWP2, RCN1, PCBP1, PCBP2, SF3B3, SAFB1, SF3A1, NCOA2, SF01, MARE1, NSDHL, TAB1, AAAT, VAS1, ZYX, CCDC6, PKN2, DDB1, CDC37, SRSF7, CPSF6, NRF1, H31T, QSER1, QRIC1, P3H1, TB10B, AMOT, DHB12, PRC2B, H2B2F, HP1B3, CE170, ZC3HD, RBM26, RIF1, RPRD2, ZN318, ECM29, ZMYM4, MAP1S, LIN54, EDC4, PRP8, SCYL2, NFRKB, ZC3HE, LARP1, FIP1, MCAF1, GGYF2, SPT6H, SND1, DHX30, KDM3B, ZCCHV, NUP54, POGZ, NUFP2, MAVS, I2BP2, RBBP6, HUWE1, YTHD3, CENPV, LYRIC, ZN598, GP180, CAND1, CARM1, DDX42, P66A, ARI3B, MGAP, PHF6, CHERP, ANKH1, SUGP1, CCAR1, SPB1, PHAR4, SPART, CCAR2, NUP93, S11IP, FNBP4, CPSF7, ARFG1, ENAH, AFG2H, TXND5, LS14A, Z280C, TNR6A, SMRC2, TBC15, PNPT1, HM13, PO210, GEMI5, ZN384, SMAP2, NU133, PDC6I, PCNP, CKAP2, ATX2L, P66B, ELYS, DDX1, GBF1, NICA, UBXN4, HS105, LAR4B, NU205, AKAP1, TFG, CBP, DDX17, CELF1, RENT1, SMRC1, FUBP2, TNPO1, UBP7, NCLN, FUBP1, FKB10, KBP, PDLI5, FUBP3, CHAP1, Z512B, ZFR, PRRC1, DOCK7, RBM14, VPS35, CIC, EFGM, SIN3A, MINT, CDC5L, PSMD1, EYA3, ATX2, HCD2, ACON, TS101, TCPH, ANM1, SH3G1, COR1B, DIDO1, HNRL1, DDX23, TMED9, NUP58, RBM4, NAA15, B2L13, YTHD1, UNK, ILKAP, SP130, BRD8, I2BPL, SLK, S6A15, PININ, NELFA, PTN23, WNK1, AMPB, GORS2, CYBP, TAF9B, GLOD4, CBX8, NCOA5, CHD8, APMAP, DCP1A, RTN4, ANLN, GEPH, PDLI7, DDX21, SYFB, SYIM, SMC4, RBM12, DDX18, CARF, UGGG1, CDK12, TECR, IF2B1, HPBP1, ITSN2, CNOT2, HACD3, RCC2, SYLC, SUCB1, UBQL2, PCYOX, S30BP, PUF60, NRBP, DACH1, BAZ2A, BAZ1B, CDC23, TASOR, ACINU, CDV3, MRTFB, YETS2, HECD1, PKCB1, DD19B, PRP19, MAGD2, FAF1, TRI33, SRRM2, PA2G4, RUVB2, RUVB1, VDAC3, E41L3, TR150, NOP58, SHLB1, LC7L2, TMED7, STRAP, RTCB, HBS1L, TLN1, HYOU1, PRC2C, SP16H, COPG1, DC1L1, S23IP
Species: Homo sapiens
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Joiner CM, Levine ZG, Aonbangkhen C, Woo CM, Walker S. Aspartate Residues Far from the Active Site Drive O-GlcNAc Transferase Substrate Selection. Journal of the American Chemical Society 2019 141(33) 31373491
Abstract:
O-GlcNAc is an abundant post-translational modification found on nuclear and cytoplasmic proteins in all metazoans. This modification regulates a wide variety of cellular processes, and elevated O-GlcNAc levels have been implicated in cancer progression. A single essential enzyme, O-GlcNAc transferase (OGT), is responsible for all nucleocytoplasmic O-GlcNAcylation. Understanding how this enzyme chooses its substrates is critical for understanding, and potentially manipulating, its functions. Here we use protein microarray technology and proteome-wide glycosylation profiling to show that conserved aspartate residues in the tetratricopeptide repeat (TPR) lumen of OGT drive substrate selection. Changing these residues to alanines alters substrate selectivity and unexpectedly increases rates of protein glycosylation. Our findings support a model where sites of glycosylation for many OGT substrates are determined by TPR domain contacts to substrate side chains five to fifteen residues C-terminal to the glycosite. In addition to guiding design of inhibitors that target OGT's TPR domain, this information will inform efforts to engineer substrates to explore biological functions.
Species: Homo sapiens
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Hao Y, Fan X, Shi Y, Zhang C, Sun DE, Qin K, Qin W, Zhou W, Chen X. Next-generation unnatural monosaccharides reveal that ESRRB O-GlcNAcylation regulates pluripotency of mouse embryonic stem cells. Nature communications 2019 10(1) 31492838
Abstract:
Unnatural monosaccharides such as azidosugars that can be metabolically incorporated into cellular glycans are currently used as a major tool for glycan imaging and glycoproteomic profiling. As a common practice to enhance membrane permeability and cellular uptake, the unnatural sugars are per-O-acetylated, which, however, can induce a long-overlooked side reaction, non-enzymatic S-glycosylation. Herein, we develop 1,3-di-esterified N-azidoacetylgalactosamine (GalNAz) as next-generation chemical reporters for metabolic glycan labeling. Both 1,3-di-O-acetylated GalNAz (1,3-Ac2GalNAz) and 1,3-di-O-propionylated GalNAz (1,3-Pr2GalNAz) exhibit high efficiency for labeling protein O-GlcNAcylation with no artificial S-glycosylation. Applying 1,3-Pr2GalNAz in mouse embryonic stem cells (mESCs), we identify ESRRB, a critical transcription factor for pluripotency, as an O-GlcNAcylated protein. We show that ESRRB O-GlcNAcylation is important for mESC self-renewal and pluripotency. Mechanistically, ESRRB is O-GlcNAcylated by O-GlcNAc transferase at serine 25, which stabilizes ESRRB, promotes its transcription activity and facilitates its interactions with two master pluripotency regulators, OCT4 and NANOG.
O-GlcNAc proteins:
A0A087X1C1, A0A0B4J203, A0A0C4DFX4, SRCRL, SBNO1, CNOT1, IQCAL, RGPD3, LRIQ3, P121C, YU005, H0YHG0, H3BMQ9, H8Y6P7, I3L521, PDLI1, TAF4, P3C2A, DDX3X, NFIB, ARI1A, ABLM1, KMT2D, ZN197, RGPD8, MYPT1, ZN609, ZN646, SET1A, SYNEM, ZN185, NUP42, SI1L1, TGFI1, VIP2, M3K7, TPD54, SYNJ1, IF4G3, WIPF1, SMAD6, MYPT2, PLIN3, MAFK, N4BP1, ANR17, NCOR1, GGYF1, PRDM1, STAM2, TOX4, AGFG2, UNC5C, VENTX, SC24B, PCNT, ZBT11, CNOT4, BAG3, TXD12, TTLL1, APCL, NSD2, EGFR, IGF2, CRYAB, LMNA, ALDOA, GCR, HSPB1, PCCA, RLA2, JUN, HEP2, K1C18, ANXA2, ADRB2, NFIC, VIME, 5HT1A, SNRPA, ROA1, CO4B, ATX1L, FMAS1, GRL1A, DERPC, C1C1L, GLI2, TPR, GYS1, MYL6B, PO2F1, ATF2, ZEP1, RS2, ITB4, JUNB, JUND, ATF7, SON, ATF1, NEBU, CSRP1, NF1, ROA2, RFX1, CBL, COF1, IF4B, ARNT, MAP4, CALX, TEAD1, PDIA3, CDC27, CLIP1, ZEP2, ELF1, TTK, PCKGC, ADDA, NU214, MP2K2, NUP62, VKGC, VATA, CUX1, TXLNA, PBX2, HELZ, UTRN, RFX5, PAXI, NR2C2, NASP, CENPF, YLPM1, NU153, RBP2, TAF6, EMD, PAPOA, HCFC1, AGFG1, NUP98, ATX1, MYOM2, AF10, AF17, DSRAD, NU107, RL8, F193A, PITX1, PHC1, RT36, SARNP, FOXK1, HTD2, DAB2, RHG04, VIGLN, HNRPU, SPTB2, SCN7A, FOXK2, EWS, MEF2A, SP2, NUCB1, IF4G1, NOTC2, TLE3, TLE4, NMDZ1, GABPA, ZO1, ACK1, CACB2, EP300, AHNK, MGAT2, GALT2, FOXO1, SNF5, BPTF, NFIA, DPYD, TP53B, ZN155, FOXC1, AKAP6, ROA0, GPS2, G3BP1, KCAB2, PABP4, PLD1, PICAL, MAMD1, RIPK1, SNW1, MTMR1, CUL4B, ASPP2, NFYC, CDK13, TOB2, DAG1, VEZF1, DSG2, UBP2L, GIT2, SRC8, PUM1, MDC1, EPN4, RRP1B, NCOA6, GSE1, MEF2D, ARI5B, NUMA1, PSME4, SART3, KIF14, BRD3, EBP, PLEC, RBMS2, TAF1C, SF01, MED1, JHD2C, MARE1, ELF2, TAB1, ZFHX3, ZYX, ADRM1, TAF9, RFX7, QSER1, QRIC1, ZN800, LR75B, EPC2, CRTC2, YIF1B, ZN326, K2026, PRC2B, SYAM, CE170, NHSL1, ZN362, ZEP3, LRIF1, UBR4, SKT, RHG21, UBAP2, RBM26, RC3H1, VP13D, RPRD2, ZN318, TASO2, TTC23, ERR2, KAZRN, ARID2, RHG17, ANR40, BICRL, NIPBL, LIN54, NFRKB, ZN449, RSBNL, MDEAS, ZC3HE, CRTC3, SAS6, MCAF1, BCOR, MPRIP, GGYF2, BNC2, FGD5, CO039, SRCAP, YJ005, UBN2, RAPH1, UBP54, PREX2, HAKAI, ASXL2, SPT6H, KDM3B, ZCCHV, RGPD4, POGZ, SZRD1, MAVS, EMSY, RAI1, I2BP2, SRGP1, SH3R1, YTHD3, STRA8, MYPN, TLK2, ZFHX4, BCL9L, IQCH, SNX32, PRSR1, MEX3D, DDX42, CACL1, P66A, CC125, KCC1D, HID1, AHNK2, FOXP4, NAV2, MGAP, RP1L1, PHF6, ANKH1, SUGP1, CCAR1, RPAP2, MILK2, EFC13, PHAR4, XRN1, TBC3A, TENS4, SPART, NUP93, ZN687, SYNPO, FNBP4, TAB3, CPSF7, ARFG1, ENAH, XXLT1, CHSTE, TNR6A, PHC3, SP20H, NAV1, VP37A, KMT2C, ARI1B, NUP35, TDRD7, NEDD1, PUM2, ALMS1, DLG5, ZN384, WIPF2, FRS2, F222B, SMAP2, IASPP, ZFN2B, TWST2, PCNP, LMO7, ATX2L, STAB2, PALLD, CSKI2, SRS12, P66B, BBX, SMG7, RTF1, PHF3, MAML1, LAR4B, PRP16, PRCC, CBP, EVPL, DDX17, GPKOW, FUBP2, LPP, FUBP1, TTC28, PF21A, KLH29, RBM33, MMAB, EF2KT, GWL, P121A, PDLI5, INT4, FUBP3, PAWR, ANCHR, Z512B, ZFR, EP400, COG8, RBM14, QKI, LENG8, CIC, MED15, ERBIN, MINT, HTF4, TEAD3, RGPD5, CGRE1, ATX2, CTIP, SH3G1, DPH2, WAC, DIDO1, TBCD, HNRL1, HIRP3, CAR11, YTHD1, GTPB4, AMRA1, TANC1, CEP44, MFF, SP130, BRD8, RGAP1, I2BPL, RBNS5, ADNP, FOXP1, PTN23, CA198, WNK1, E41L1, ZHX3, ILRUN, PEAK1, PKHG2, ECT2, JUPI2, PKHA5, RC3H2, TAF9B, ZBT20, NCOA5, TANC2, ZN532, ARFG3, PLPL8, UBN1, PCD12, INCE, PDLI7, 4ET, DIAP3, PDS5B, RBM12, CCD87, CARF, TAB2, MS18A, CDK12, ITSN2, WHRN, DAPLE, SLAI2, BAHC1, BCCIP, C2D2A, RBM27, KANL3, ZN219, LIMD1, TCF20, UBQL2, S30BP, NRBP, CTNA3, BAZ2B, HERC5, SIX4, TASOR, GMEB2, PARP4, NUP50, ZHX1, MRTFB, PRR12, YETS2, HECD1, SPAT2, SCAF8, LIMC1, ZC3H4, SRRM2, SCML2, ZN148, ZFP30, WDR37, MYH15, R3HD2, ZN281, COQ6, DCAF1, RPGF2, CRBG1, PRC2C, RBM7, CD2AP, TSSC4, HCFC2, NCOR2, GMEB1, DC1L1, NCOA3, ZHX2, S23IP, U3KPZ7
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Woo CM, Lund PJ, Huang AC, Davis MM, Bertozzi CR, Pitteri SJ. Mapping and Quantification of Over 2000 O-linked Glycopeptides in Activated Human T Cells with Isotope-Targeted Glycoproteomics (Isotag). Molecular & cellular proteomics : MCP 2018 17(4) 29351928
Abstract:
Post-translational modifications (PTMs) on proteins often function to regulate signaling cascades, with the activation of T cells during an adaptive immune response being a classic example. Mounting evidence indicates that the modification of proteins by O-linked N-acetylglucosamine (O-GlcNAc), the only mammalian glycan found on nuclear and cytoplasmic proteins, helps regulate T cell activation. Yet, a mechanistic understanding of how O-GlcNAc functions in T cell activation remains elusive, partly because of the difficulties in mapping and quantifying O-GlcNAc sites. Thus, to advance insight into the role of O-GlcNAc in T cell activation, we performed glycosite mapping studies via direct glycopeptide measurement on resting and activated primary human T cells with a technique termed Isotope Targeted Glycoproteomics. This approach led to the identification of 2219 intact O-linked glycopeptides across 1045 glycoproteins. A significant proportion (>45%) of the identified O-GlcNAc sites lie near or coincide with a known phosphorylation site, supporting the potential for PTM crosstalk. Consistent with other studies, we find that O-GlcNAc sites in T cells lack a strict consensus sequence. To validate our results, we employed gel shift assays based on conjugating mass tags to O-GlcNAc groups. Notably, we observed that the transcription factors c-JUN and JUNB show higher levels of O-GlcNAc glycosylation and higher levels of expression in activated T cells. Overall, our findings provide a quantitative characterization of O-GlcNAc glycoproteins and their corresponding modification sites in primary human T cells, which will facilitate mechanistic studies into the function of O-GlcNAc in T cell activation.
O-GlcNAc proteins:
UBA6, ESYT2, HACL2, DEND3, SBNO1, XIRP2, CNOT1, PINLY, MT21E, SWAHB, P121B, TCAF2, MET15, F177B, P121C, GNAT3, MYO1G, SPT5H, TAF4, PK3CD, DNM1L, P3C2A, BT3A1, PSDE, BIN1, PITM1, DDX3X, RNT2, ARI1A, NCKP5, TRAD1, RHG33, ABLM1, KMT2D, IFIT3, HGS, MYPT1, S27A2, GAK, SC16A, SET1A, KDM6B, ARHGB, FYB1, ATX7, SHIP2, EIF3D, EIF3H, TOX3, NUP42, MEFV, DHX15, ZZEF1, PHF1, ZW10, PRPF3, TPD54, EMC8, SYNJ1, IF4G3, E41L2, WIPF1, LAT, OX1R, PLRG1, ZN207, ST1B1, LANC1, AKAP8, PLIN1, ZN292, AQR, GANP, HBP1, LY75, OGA, DIAP1, MAFK, HCN1, CCD22, BRD4, PP1RB, ABCB7, KI21B, LRP4, N4BP1, CPNE3, OBSL1, BRE1B, CAND2, T22D2, PP6R2, ANR17, H2AY, FLNB, NCOR1, PR40A, LRCH4, MPPB, PSIP1, NDUS3, KS6A5, MYCB2, U520, CCNK, CBPD, CYTF, LTN1, TOX4, PHF14, SUN1, PCF11, FRYL, TRI37, SC31A, CE152, AGFG2, SCAF4, SPN1, RTN3, APOL3, ATE1, CELF2, 6PGL, IPO7, CD2B2, ABCA1, SC24A, SC24B, PCNT, CNOT4, HERC2, HS74L, DDX58, M4K4, AIFM1, TXD12, LDHA, COX1, A1AT, FOS, LDLR, LMNA, ALBU, CYTB, GCR, HG2A, K2C1, G3P, HLAA, CPNS1, RPN1, RPN2, GNAI2, AT1A1, RLA2, JUN, ATPB, CD2, NPM, ANXA2, SYEP, TSP1, SP1, ANXA6, MDR1, HS90B, INHBA, ODPA, PTPRC, RU2B, HCK, VIME, GNAI3, ADA2A, HMGB1, ROA1, LKHA4, DERPC, F231L, GLI2, GRAB, RO60, RARB, HSP7C, EGR2, ODPB, LAMP1, SRF, FA5, IMDH2, TPR, SKI, ACTN1, K1C10, CEAM1, PLSL, GLU2B, HCLS1, PO2F1, RAC2, ATF2, FOSL2, PGCA, LEUK, CREB1, GDC, PECA1, MGMT, ZNF25, JUNB, UBF1, JUND, ATF7, PTN2, DDX5, EGR1, PTPRA, SON, RCC1, ATF1, ML12A, PLCG1, NUCL, NFKB1, LMNB1, CAN3, HNF1A, FLNA, TNAP3, PIMT, UBA1, ROA2, RFX1, CBL, QCR2, MAOM, SP100, NFYA, IF4B, AT2B4, RPB1, BRD2, ATPA, DDX6, PTBP1, ARNT, RFA1, APEX1, PYR1, CALR, MAP4, ERCC5, PTN6, SPB3, PDIA3, 2AAA, HLAF, HMOX2, CLIP1, RPB2, COR1A, ZEP2, HNRH3, HNRH1, STIP1, ELF1, KINH, LSP1, H2B1B, PHB, PTN7, RFC4, MYH9, MYH10, COPB2, ACTN2, SOAT1, ADDA, FUS, NU214, ATP7B, MYH11, GLRX1, PPM1A, K22E, MP2K2, NUP62, GRP75, IF4A3, COIA1, STAT3, MDHM, ECHA, IF2G, PERI, ELK3, LAP2A, LAP2B, STAT1, RHG25, DPP6, HD, MATR3, GPDM, ZAP70, TNR4, VDAC2, MP2K4, NOP2, NOTC1, UTRN, IQGA1, STT3A, NPBW1, COPD, AGRE5, NASP, FAS, EFTU, CENPF, MA2A2, YLPM1, CLK1, NU153, RBP2, TAF6, GUAA, IDH3A, EMD, LRBA, AT1A2, MECP2, HCFC1, CCR3, KS6A3, LUM, ROA3, GDIR2, AGFG1, STAT2, TF2AA, CAZA1, NUP98, FOSB, SUCA, COPA, ITA8, SC24C, ATX1, UBP14, RD23B, EPHB3, AF17, CASP6, DSRAD, PSA, TPIS, SC61B, ACTB, ARF3, HNRPK, RS16, ACTA, GBB1, PPIA, RS27A, AP2B1, 1433Z, IF5A1, RACK1, ACTG, ACTS, TBA1B, TBA4A, PHC1, PRKDC, BTG2, SSBP2, ATL3, TXN4A, FOXK1, RHG04, NFKB2, SPTB2, FOXK2, RUNX1, AMPD2, CAP1, FLI1, OTUD4, PFKAP, SATB1, EWS, MEF2A, SP2, RHAG, SP4, SP3, RL18A, NUCB1, DYST, CREM, KMT2A, TF65, IF4G1, TLE3, TLE4, REL, UBE3A, GABPA, GABP1, CD69, ZO1, TLE5, DHX9, GOGA3, SLFN5, S38AB, RBBP4, NCBP1, AHNK, MN1, FOXO1, TBL3, TF3C1, AKP13, BPTF, NFIA, CHD3, TP53B, ANK3, PP1R8, AKAP6, ROA0, PAK2, TBX2, M3K1, ATM, DC1I2, IKZF1, TCOF, ROCK1, NFAC2, SMAD4, PICAL, PRP4B, SNW1, IQGA2, MTMR1, MTMR3, CUL4A, CUL4B, RUNX3, NFYC, KGP1, CDK13, IL16, CKAP5, CO4A6, VEZF1, MORC3, UBP2L, SCRIB, GIT2, DYHC1, ELOA1, FLNC, CAPR1, CASL, SCN5A, SEM3A, ITPR2, PLSI, LAGE3, PUM1, EPN4, RRP1B, NCOA6, LBR, STAT4, MEF2D, LASP1, NUMA1, GAPD1, SPCS2, SUZ12, ACAP1, R3HD1, SYK, ARHG6, ACAP2, BRD3, PLEC, L2GL1, EPHA7, SF3B3, RYR3, TAF5, MARE2, TSN, SF01, MED1, JHD2C, T22D1, ELF2, NAB2, TAB1, SPEG, USF2, ZFHX3, ZYX, SEPT7, ADRM1, PKN1, DDB1, TAF9, OBF1, NRF1, PTPRO, ZN827, EX3L4, HNRL2, AAK1, CCD57, QRIC1, PRTG, CEA16, TM249, FR1L6, LRRF1, EMAL3, UAP1L, GON4L, LARP7, EPC2, CRTC2, PAR10, TYW2, RHG15, H90B3, BCORL, ZN831, TGO1, DOC11, PRC2B, TOIP1, CEP78, CD158, TDIF2, KMCP1, ZN362, FKB15, ZEP3, ODAD2, MPP7, LRIF1, UBR4, UBAP2, GNTK, RBM26, CE350, RPRD2, AGAP9, MYOME, TASO2, RN213, GL8D1, PDPK2, BICRL, OTU7B, RGPA1, TWF2, SDE2, NIPBL, LIN54, ZN544, PPR18, ZCHC8, CDC73, ARMX5, SCYL2, NFRKB, LMOD2, LEG1H, TMM81, PDXD1, RSBNL, MDEAS, ZC3HE, LARP1, SCND3, POTEE, ZN322, ANR11, SPIT4, AFTIN, FIP1, CRTC3, MCAF1, PACS1, BCOR, DJC14, DG2L6, LR74B, OTOG, RHG36, YJ005, RHG27, TMTC3, UN13D, HAKAI, NOL8, HECW1, SPT6H, SND1, KDM3B, S26A9, DYM, PRS41, APTX, ZCCHV, SETX, NUP54, GLUCM, POGZ, MYH14, NUFP2, MAVS, HDGR2, EMSY, I2BP2, AB12B, DHB13, CMKMT, SRGP1, RBBP6, RHG30, NRARP, TCPR1, HUWE1, YTHD3, CENPV, ATL2, YRDC, GPAT4, ZFHX4, ABCAD, BCL9L, KIF27, LRRT3, IQGA3, VS10L, CEP57, FRAS1, CACL1, P66A, I2BP1, CRLF3, CRERF, DYH10, GID4, ARI3B, WDR75, MGAP, ANKH1, SUGP1, SUGP2, CCAR1, BAP18, PLPL6, CMIP, TIGD4, YAF2, IHO1, SRRM1, FANCM, CC116, A16A1, DCP1B, PELP1, WDFY3, ABCA7, LGI4, NUP93, LRC47, ABD12, FNBP4, GALT4, RN175, CARME, AF1L2, TAB3, CPSF7, EFNMT, MAGB6, LRTM2, KRI1, TTC29, POC5, LR75A, S43A3, SUMF2, NETO2, NF2IP, LS14A, MISSL, CA131, TNR6A, PHC3, SRFB1, SP20H, VP37A, PCAT1, DOCK8, SYNE1, ARI1B, ENASE, TET1, MYRIP, OR6K3, CFA61, THOC2, WDR36, GABP2, MARH1, ALMS1, PREX1, PKHO2, DYH3, DSCL1, DTX3L, NETO1, NEK7, MICA1, ATS18, RN128, SNX29, SMCR8, ZN384, HASP, SMAP2, SCFD1, LMO7, ATX2L, PHIP, RUFY2, CSKI1, MADD, AGRV1, SYNE2, MUC16, P66B, AUTS2, BBX, TITIN, CTTB2, GBF1, SMG7, SNX19, PHF3, HS105, ZN592, HMHA1, TFG, TAF4B, CBP, KAT6A, SYMPK, SHIP1, DDX17, TANK, RAD50, CELF1, SMRD2, RAB8B, FUBP2, DVL3, LPP, TATD2, AT2A3, MRTFA, PLPL2, SH3K1, PF21A, DOC10, INT12, ACSF2, GCP3, SLAF6, RSPRY, MTEF3, SIR1, THA11, GLT14, CERS2, SYMM, PDLI5, FUBP3, PP16A, COG3, VCIP1, CHAP1, PDLI2, ANCHR, UBP47, Z512B, ZFR, EP400, CNO6L, CA074, PRRC1, ZN512, CNT3B, LRRC7, ARAP1, AGRA2, INP4A, RBM14, NED4L, LENG8, TRNT1, MCCA, PCX1, CCNL2, SIN3A, SEBP2, MINT, HTF4, CDC5L, EYA3, LGMN, MNT, SCAFB, TTC1, OSMR, ATX2, METH, ACON, CPNE1, TBA1C, MBB1A, GPTC1, ERP44, ESYT1, CCM2, FUZZY, DIDO1, MCMBP, CABL2, NDC1, PAXX, HNRL1, NUP58, RIOK2, THIC, RBM4, NADAP, SSBP3, NAA15, AP1M1, M10L1, YTHD1, BACH2, PANK2, PC11Y, ASPC1, UCK2, TRI31, UNK, FTO, AMRA1, CE295, DRC3, SP130, BRD8, CSTFT, ZCPW1, LMA2L, CK054, SLIK2, CSRN2, I2BPL, VPS16, EPC1, ADNP, IPYR2, FOXP1, PTN23, WNK1, AMPB, E41L1, GSX1, ELOV6, CH033, VISTA, SFR19, GORS2, LN28A, MLXIP, GBB4, PKHA1, RISC, TAF9B, MRM3, ZBT20, NCOA5, TANC2, TNR6C, CHD8, AT131, VTA1, SYSM, UBN1, DCP1A, KI13B, PRD10, XPP1, PDLI7, DDX21, MBNL1, SIR7, TULP4, ABCBA, LATS2, UBQL4, THSD1, CENPM, PDS5B, RBM12, MED9, SLTM, MIC19, NSMA3, THUM1, CARF, SNTG2, MTMR4, TE2IP, TAB2, CDK12, GGA3, ITSN2, BICRA, CNOT2, TMOD2, THYN1, PDP1, VAPA, TEN3, CHD7, DYH1, SYLC, KLH42, KANL3, RERE, HDC, TRPC4, MALT1, ADDG, TCF20, NDRG3, SUN2, NDOR1, UBQL2, S30BP, RPGFL, AGRE2, NRBP, BAZ2A, HOOK1, CMC2, TASOR, AKA11, GMEB2, PARP4, C8AP2, IKZF2, ACINU, CNO11, AT7L1, K1210, YETS2, HECD1, NOTC3, PRP19, UBQL1, FAF1, PPIE, DIM1, MACF1, SCAF8, SET1B, JIP3, ZC3H4, SRRM2, CLCA2, SMC3, ZN148, MTMR6, ENTP4, SAC2, MAST1, FYV1, WDR37, TR150, ZN281, FBX7, 3BP1, OR2W1, NOC2L, SAMH1, DMXL1, ARIP4, MTCL1, RIPR2, PKHM1, RPGF2, CRBG1, PRC2C, YTHD2, SP16H, ANGL3, PCDG3, SNX13, NUBP2, NCOR2, COPG1, GMEB1, DC1L1, ROBO1, NCOA3, M3K4, PCLO, CAN7, SCC4, ZHX2, S23IP
Species: Homo sapiens
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Zhang W, Liu T, Dong H, Bai H, Tian F, Shi Z, Chen M, Wang J, Qin W, Qian X. Synthesis of a Highly Azide-Reactive and Thermosensitive Biofunctional Reagent for Efficient Enrichment and Large-Scale Identification of O-GlcNAc Proteins by Mass Spectrometry. Analytical chemistry 2017 89(11) 28510447
Abstract:
O-linked β-N-acetylglucosamine (O-GlcNAc) is a ubiquitous post-translational modification of proteins in eukaryotic cells. Despite their low abundance, O-GlcNAc-modified proteins play many important roles in regulating gene expression, signal transduction, and cell cycle. Aberrant O-GlcNAc proteins are correlated with many major human diseases, such as Alzheimer's disease, diabetes, and cancer. Because of the extremely low stoichiometry of O-GlcNAc proteins, enrichment is required before mass spectrometry analysis for large-scale identification and in-depth understanding of their cellular function. In this work, we designed and synthesized a novel thermosensitive immobilized triarylphosphine reagent as a convenient tool for efficient enrichment of azide-labeled O-GlcNAc proteins from complex biological samples. Immobilization of triarylphosphine on highly water-soluble thermosensitive polymer largely increases its solubility and reactivity in aqueous solution. As a result, facilitated coupling is achieved between triarylphosphine and azide-labeled O-GlcNAc proteins via Staudinger ligation, due to the increased triarylphosphine concentration, reduced interfacial mass transfer resistance, and steric hindrance in homogeneous reaction. Furthermore, solubility of the polymer from complete dissolution to full precipitation can be easily controlled by simply adjusting the environmental temperature. Therefore, facile sample recovery can be achieved by increasing the temperature to precipitate the polymer-O-GlcNAc protein conjugates from solution. This novel immobilized triarylphosphine reagent enables efficient enrichment and sensitive detection of more than 1700 potential O-GlcNAc proteins from HeLa cell using mass spectrometry, demonstrating its potential as a general strategy for low-abundance target enrichment.