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Wu C, Shi S, Hou C, Luo Y, Byers S, Ma J. Design and Preparation of Novel Nitro-Oxide-Grafted Nanospheres with Enhanced Hydrogen Bonding Interaction for O-GlcNAc Analysis. ACS applied materials & interfaces 2022 14(42) 36240223
Abstract:
As an essential modification, O-linked β-N-acetylglucosamine (O-GlcNAc) modulates the functions of many proteins. However, site-specific characterization of O-GlcNAcylated proteins remains challenging. Herein, an innovative material grafted with nitro-oxide (N→O) groups was designed for high affinity enrichment for O-GlcNAc peptides from native proteins. By testing with synthetic O-GlcNAc peptides and standard proteins, the synthesized material exhibited high affinity and selectivity. Based on the material prepared, we developed a workflow for site-specific analysis of O-GlcNAcylated proteins in complex samples. We performed O-GlcNAc proteomics with the PANC-1 cell line, a representative model for pancreatic ductal adenocarcinoma. In total 364 O-GlcNAc peptides from 267 proteins were identified from PANC-1 cells. Among them, 183 proteins were newly found to be O-GlcNAcylated in humans (with 197 O-GlcNAc sites newly reported). The materials and methods can be facilely applied for site-specific O-GlcNAc proteomics in other complex samples.
Species: Homo sapiens
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Huo B, Zhang W, Zhao X, Dong H, Yu Y, Wang J, Qian X, Qin W. A triarylphosphine-trimethylpiperidine reagent for the one-step derivatization and enrichment of protein post-translational modifications and identification by mass spectrometry. Chemical communications (Cambridge, England) 2018 54(98) 30379171
Abstract:
We report a new reagent that is capable of both chemical derivatization and selective enrichment of azide-labeled PTM peptides for sensitive identification by mass spectrometry (MS). Facile sample recovery, enhanced ionization and fragmentation in MS of the enriched PTM peptides are achieved, which leads to the identification of 3293 O-GlcNAc peptides and the location of 1706 sites in HeLa cells and efficiently expands the current mapping scale.
O-GlcNAc proteins:
MEIKN, BLT3B, SHOT1, TTC24, PIPSL, HFM1, ZN320, NBAS, CQ102, VWA8, SBNO1, Z804B, CC14C, SH321, EFCB5, XIRP2, ODAD3, CNOT1, BDP1, ANR62, CC88B, AN33B, NKX26, PGP, F186A, ARRD5, FBP12, ANKUB, CI092, CE052, FA47D, SMHD1, LRIQ4, GLOD5, ZN233, SH2D7, MARHB, TTLL8, ABTB3, A30BL, ZSWM8, P121C, ERI2, PP2D1, CEA18, R212B, YV023, ZN727, VGLL3, YD021, RUXGL, IQAK1, MAGBH, FOXO6, FHAD1, SRRM5, ZN879, S14L6, CJ142, KRBX1, MCRI1, FONG, CE067, F227A, CRCC2, KIF2A, MYO1C, EYA2, AP3B1, SPT5H, TAF4, HIP1, CDC7, ST1C2, WASL, IPO5, EMAL1, P3C2A, EXOC5, PSDE, USP9Y, BCL9, CAC1A, PITM1, MPP10, TRI38, NDKM, ARI1A, NCKP5, FCHO1, SOCS3, TRAD1, RHG33, TYB4Y, UTY, ENC1, ZN197, APAF, TERT, CHK1, GNB5, TCRG1, UN13B, RASM, PPE1, IFIT3, IKKB, TIM23, HGS, AURKA, MYPT1, XPO1, IPP2C, ZN646, PDZD2, SPTN2, SET1A, TRNK1, PER2, SYNJ2, ZN536, IKKA, TBX3, ARPC2, TBXT, VILL, NKRF, ZN185, CASC3, CLIC2, ACOX3, NPHP1, OGT1, PPM1D, RA51B, SHIP2, EIF3D, IPO8, MSH4, MAGB4, ARPC5, PER1, ZSC9, ZZEF1, TET3, SI1L1, PRP4, SERA, IRAK2, PSMD3, TEX33, AP5Z1, MTSS1, PAX4, WDR62, PRPF3, SYNJ1, IF4G3, KCAB3, E41L2, FOXO3, TGM5, SYT7, PPIP1, CHM2A, PLRG1, LDB2, BUB1, HTSF1, STX6, ENSA, CPSF5, CREB3, AK1BA, KALRN, MYPT2, MED14, SOX15, KLK8, PRKN, SMCA5, ZC3H1, TYW4, LZTS3, GANP, KIF1B, PHLP1, ZN861, BRNP1, MPZL2, OGA, VINEX, HNRPQ, RNBP6, GMDS, REV3L, JAK2, MAFK, MUSC, CTND1, HPGDS, Z354A, RT14, PQBP1, BRD4, ABCB7, PLCH2, SRGP2, DEN4B, N4BP1, ROCK2, COBL, CPNE3, ZBED4, LIPA3, OBSL1, BRE1B, PHF2, ZC11A, CLU, DJC13, ANR17, SIN3B, LIPA2, LIPA4, ZN253, ZN217, FLNB, NCOR1, NDUS6, RM33, DPOLQ, CDC45, MPPB, USH2A, SRS10, GEMI, ECI2, TAF5L, ZN821, DAB1, MYCB2, U520, OFD1, UTP20, NU155, S2512, PALM, ZN189, CCNK, SERF1, PIAS1, DNJC8, RAD17, ANXA9, CLPX, SEGN, CDKL5, NEBL, S14L2, RECQ4, RECQ5, RMP, AL1A2, TOM70, TOX4, MICA2, K0754, FCSD2, SRBS2, SASH1, CSCL1, LRIG2, SUN1, PRP6, PCF11, KDM4B, CE152, SOX30, UBR5, REC8, DUS14, NDUB8, KLHL2, LETM1, MBD4, KAT7, KCNH1, SMC2, IPO7, SLU7, SVIL, NPT2B, LCA5L, FMNL1, PCNT, CNOT4, CPSF4, NFAC1, EYA4, BRD1, HERC2, HS74L, RIGI, ZMYM6, BAG3, DCMC, DDAH2, TGM3L, TBX18, TBX6, BCL10, APBA3, NSD2, GSHR, CRYAB, LMNA, SPTA1, ESR1, ANGI, TDT, CYTB, GCR, SODM, MYCN, G3P, P53, HSPB1, ARGI1, PCCB, RLA2, RLA0, RPC4, K1C18, FYN, NFL, NFM, PERT, CRGC, SYEP, ANXA6, RHOC, GLI1, PFKAM, CATG, INHBA, VIME, ANXA5, SNRPA, VILI, CN37, HMOX1, DLDH, HXB7, DPOLA, IFIT2, WEE2, FBSP1, BNIP5, AN34C, ACSM4, PRR29, F90AO, YT014, R10B1, GRL1A, F200B, DERPC, CTF8, ZN888, RGPD2, GIMD1, ZN728, CH088, AT8OS, MYBA, ARAF, ODP2, KAP0, HEM4, HSP7C, SPTB1, TOP2A, VDR, DMD, ADHX, NFH, TPR, ANXA3, SKIL, NR2C1, HXD8, ENOB, T2FB, MTDC, 3BHS1, GFAP, KPYM, HXB1, PO2F1, ERF3A, EZRI, PHKG2, DESP, ANK1, NCPR, CBPE, PLCG2, ZFX, ZNF14, ZN708, ZNF17, ZNF19, ZNF20, ZKSC1, ZNF28, ZNF30, ZSC20, ZNF7, KPCA, UBF1, ATF7, DDX5, LOX12, EGR1, ARY1, SON, ATF1, ATF6A, NUCL, HXK1, TNNI3, HME2, SL9A1, RAB3B, LMNB1, GRAH, NEBU, AOFA, ZNF10, TGM2, MUTA, PERL, ROA2, CBL, KAPCB, HEMH, XPA, CRCM, SAHH, IF4B, PAX7, GATA2, CPT2, RIR1, EF1B, CCNC, DNJB2, PSA1, MOES, DDX6, RAE2, PTBP1, SYVC, 1433T, ARNT, RFA1, MAP4, PSB9, TMOD1, ITPI2, HXD9, ERCC5, EPHB2, PTN6, SHC1, KDM5A, LMOD1, TYK2, PRDX6, CDC27, WEE1, MPIP1, MPIP2, NKTR, CLIP1, RPB2, KAP1, CPSM, ZEP2, CASPE, 1433B, STIP1, FOXN2, TF2H1, C2TA, LSP1, DUT, GCYA2, MCM7, HYES, MPI, CTNA1, NOS2, SPB6, MERL, RFC4, RFC1, ADML, RORA, CBS, GDE, ACTN2, ADDB, NU214, DEK, CYLC1, ATP7B, SOX5, SOX11, ZNF93, VATE1, 8ODP, LONM, PGM1, GNL1, PEDF, ODO2, SRP14, IF4A3, SMBP2, CUX1, TYRP2, MLH1, STAT3, UBP8, PEX19, ECHA, ETV6, STAT6, AF9, HELZ, LPPRC, HD, ECE1, MUC18, BTD, MAGB1, KSYK, UBP5, KI67, KPB2, KPB1, RECQ1, IF2M,