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Xu S, Yin K, Xu X, Fu L, Wu R. O-GlcNAcylation reduces proteome solubility and regulates the formation of biomolecular condensates in human cells. Nature communications 2025 16(1) 40307207
Abstract:
O-GlcNAcylation plays critical roles in the regulation of protein functions and cellular activities, including protein interactions with other macromolecules. While the formation of biomolecular condensates (or biocondensates) regulated by O-GlcNAcylation in a few individual proteins has been reported, systematic investigation of O-GlcNAcylation on the regulation of biocondensate formation remains to be explored. Here we systematically study the roles of O-GlcNAcylation in regulating protein solubility and its impacts on RNA-protein condensates using mass spectrometry-based chemoproteomics. Unexpectedly, we observe a system-wide decrease in the solubility of proteins modified by O-GlcNAcylation, with glycoproteins involved in focal adhesion and actin binding exhibiting the most significant decrease. Furthermore, O-GlcNAcylation sites located in disordered regions and with fewer acidic and aromatic residues nearby are related to a greater drop in protein solubility. Additionally, we discover that a specific group of O-GlcNAcylation events promotes the dissociation of RNA-protein condensates under heat stress, while some enhance the formation of RNA-protein condensates during the recovery phase. Using site mutagenesis, inhibition of O-GlcNAc transferase, and fluorescence microscopy, we validate that O-GlcNAcylation regulates the formation of biocondensates for YTHDF3 and NUFIP2. This work advances our understanding of the functions of protein O-GlcNAcylation and its roles in the formation of biomolecular condensates.
O-GlcNAc proteins:
MEX3A, CNOT1, RGPD3, P121C, MYO1G, H7C0N4, PDLI1, CBX4, TAF4, RFXAP, PODXL, ARI1A, UTY, ABLM1, DVL1, KMT2D, HGS, MYPT1, XPO1, SET1A, PUR4, FYB1, PPM1G, EIF3H, IPO8, NUP42, KDM6A, ZZEF1, TET3, SI1L1, CP110, SYNJ1, IF4G3, TGON2, WIPF1, HTSF1, MYPT2, SMCA5, GANP, MA1A2, DIAP1, PLIN3, MAFK, KIN17, CUTA, N4BP1, CLAP2, BRE1B, PP6R2, ANR17, ZN217, FLNB, NCOR1, SPAG7, TACC1, GGYF1, ERLN1, WBP4, U520, WDHD1, RNH2A, STAM2, CBPD, STK10, TOX4, ST65G, TOX, PCF11, ENDD1, UBR5, AGFG2, KIF4A, MPZL1, IPO7, BAG4, SC24B, HERC2, ZMYM6, BAG3, CLPT1, ABL1, ADA, LDLR, HLAB, TFR1, CATA, GCR, KITH, HLAA, RPN2, ITB2, RLA2, RLA0, ITB1, RB, TPM3, SAP, LAMB1, SP1, PTPRC, ITA5, VIME, SNRPA, ROA1, ATX1L, DERPC, MYBA, CH60, PABP1, TPR, SKI, XRCC6, LAMP2, ITA4, HCLS1, KPYM, PO2F1, RAC2, IGLL1, RS2, TFE2, LEUK, CREB1, GCFC2, ATF7, SON, ATF1, TFE3, NFKB1, AL5AP, PUR2, ROA2, CBL, IF4B, AT2B4, APC, MGAT1, ARNT, DCK, PYR1, CALR, MAP4, CALX, NDUS1, PML, PDIA3, HMOX2, AMRP, CLIP1, ZEP2, HNRH1, ELF1, ICAM3, TTK, CAH8, BMI1, PTN7, RFC1, ADDA, NU214, MP2K2, HPCL1, VATA, CUX1, TXLNA, MLH1, PEX19, S19A1, LAP2A, LAP2B, STAT1, EPS15, MATR3, KI67, CRKL, UTRN, CAPZB, RFX5, PRC2A, NASP, FAS, CDK8, YLPM1, NU153, RBP2, TAF6, EMD, TCPQ, PAPOA, PLCD1, HCFC1, AFF3, ROA3, AGFG1, RBM5, ACLY, SMTN, RD23A, AF10, DSRAD, CADH4, SEC13, IF6, STX17, CORO7, NU107, SELB, TPIS, RAB2A, DCAF7, TIM10, CNBP, TBA1B, NOMO3, F193A, IGBP1, IF4G2, GTF2I, PHC1, NUCB2, TMF1, RT09, SARNP, FOXK1, FBLN2, FAM3A, RBM10, CDK6, HNRPU, SPTB2, FOXK2, RUNX1, CAP1, MEF2A, SP2, KMT2A, IF4G1, TLE1, TLE2, TLE3, TLE4, REL, GFPT1, GABPA, RING1, VAC14, EP300, AHNK, BRME1, MGAT2, GALT2, TROAP, TROP, BPTF, SFSWA, DPYD, TP53B, IRAG2, NFAC3, ROA0, AIMP2, GPS2, PABP4, S39A6, PICAL, HDAC1, STIM1, MTMR2, CUL4B, ASPP2, PEBB, NFYC, LRP8, VEZF1, BOP1, SEPT6, UBP2L, MLEC, ZMYM3, SRC8, LAGE3, PUM1, EPN4, RRP1B, NCOA6, GSE1, MEF2D, NFIX, ZN638, NUMA1, CND2, CND1, RB3GP, NECT1, PCBP1, PCBP2, ELOC, KS6A1, SC23B, JHD2C, ELF2, TAB1, NCOA1, ZYX, ADRM1, DPYL2, TAF9, DREB, DGUOK, QSER1, RHG31, AAK1, QRIC1, LRRF1, GNPTA, C2CD3, EPC2, PDCD4, BOREA, PAN3, BRD10, TGO1, PRC2B, PCID2, P4R3B, DCA10, SNP47, MANEA, ZN362, LRIF1, CAF17, CAMP1, UBAP2, CPTP, RC3H1, AHDC1, VPS53, RPRD2, ZN318, TASO2, ZMYM4, PAPD7, RN123, MAP1S, ARID2, NIPBL, LIN54, ANR54, PPR18, EDC4, SCYL2, GOLM2, NFRKB, RSBNL, MDEAS, BRAT1, ZC3HE, LARP1, FIP1, CRTC3, SHSA2, PI16, MCAF1, BCOR, GGYF2, NFXL1, QSOX2, YJ005, UBN2, MTSS2, NOL8, SSH2, ASXL2, SPT6H, LRC8D, EIF3M, MEPCE, KDM3B, TRM1L, ZCCHV, EFL1, KANL1, POGZ, ZFY16, NUFP2, MAVS, EMSY, I2BP2, HUWE1, YTHD3, KAISO, LDB1, LYRIC, RETR3, TSYL5, DZIP3, CACL1, P66A, C2CD5, HIPK1, ERI1, DEN1C, VRK3, ARI3B, MGAP, Z3H7A, CDAN1, ANKH1, SUGP1, GLT12, K2013, PHAR4, DCP1B, XRN1, RPTOR, NUP93, ZN687, FNBP4, NOPC1, ZBTB2, EMC1, CB069, EIF1A, KRI1, AFG2A, NHLC2, AVL9, XXLT1, GOLM1, SUMF2, TXND5, KCT2, CHSTE, SLAI1, TNR6A, PHC3, SP20H, KMT2C, BD1L1, ARI1B, NUP35, KNL1, MSPD2, NEDD1, GABP2, PIGX, STT3B, ALMS1, NEK9, NEK7, PO210, GEMI5, PIGO, MZB1, RAB2B, TM263, NUDT8, ZFN2B, HNRLL, PCNP, LMO7, ATX2L, P66B, GBF1, SMG7, RTF1, TOPB1, TSC1, PRCC, RREB1, CBP, DDX17, SEM4D, GSLG1, RENT1, GPKOW, FUBP2, ARHG2, UBP7, LPP, IGSF8, MRTFA, ACD, RAB37, PF21A, DOC10, DCPS, FAF2, TMCO6, ESS2, RMI2, TONSL, PDLI5, ZN414, VCIP1, PDLI2, ANCHR, ZFR, EP400, PRRC1, RBM14, QKI, PURB, SPAG5, CIC, MED15, ERGI2, ERBIN, LYSM1, MYADM, SEBP2, RUFY1, MINT, HTF4, CNN2, AGAP2, CSN8, CGRE1, DOK1, CTIP, SMAD5, S29A1, ARI3A, ANM1, DPH2, PELO, ERP44, ESYT1, CNPY3, WAC, MMTA2, HNRL1, ALG8, TMUB1, YJU2, PAPOG, SSBP3, JAM3, OSB11, NAA15, EIF2A, MK67I, YTHD1, KPCD2, UCK2, FTO, AMRA1, CEP44, BC11B, YIPF3, BRD8, XYLT2, I2BPL, MEGF9, EPC1, SLK, ADNP, ZN106, TM245, TMX1, CENPH, WNK1, ZHX3, DOCK5, PKHG2, KANL2, PKHA5, CLSPN, MYG1, RC3H2, LY9, TAF9B, S38AA, TM165, NCOA5, TANC2, TNR6C, CHD8, RESF1, APMAP, ARFG3, UBN1, GP108, INCE, ANLN, GEPH, BMP2K, RBM12, STAU2, INT10, GPT2L, CARF, PP4R2, TAB2, RM39, EURL, CDK12, HPBP1, ITSN2, ARHGC, CHMP5, FOXJ2, SLAI2, CT2NL, TBC14, RBM27, KANL3, FRM4A, ANFY1, GMPR2, ZN219, SE1L1, B4GT7, STK39, SEC63, SUN2, SRP68, SEPT9, UBQL2, S30BP, PFD2, NRBP, EI2BD, BTNL2, CDC23, GGA2, GMEB2, DP13A, MA1B1, ACINU, NUP50, MRTFB, ZBT21, YETS2, HECD1, TPX2, MGT4A, SYNRG, MINP1, SCAF8, SET1B, TBD2B, DICER, SRRM2, SMC3, SCML2, ZN148, CLC11, POLH, PLAP, TPPC8, WBP11, GIT1, ZN281, SIT1, HBS1L, SALL2, TRRAP, ARIP4, HECD4, CRBG1, HYOU1, ATG4B, KLF12, PRC2C, RBM7, CD2AP, SRPRB, GMEB1, TACC3, STK24, NCOA3, M3K4, ZHX2, NS1BP
Species: Homo sapiens
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Luna S, Malard F, Pereckas M, Aoki M, Aoki K, Olivier-Van Stichelen S. Studying the O-GlcNAcome of human placentas using banked tissue samples. Glycobiology 2024 34(4) 38253038
Abstract:
O-GlcNAcylation is a dynamic modulator of signaling pathways, equal in magnitude to the widely studied phosphorylation. With the rapid development of tools for its detection at the single protein level, the O-GlcNAc modification rapidly emerged as a novel diagnostic and therapeutic target in human diseases. Yet, mapping the human O-GlcNAcome in various tissues is essential for generating relevant biomarkers. In this study, we used human banked tissue as a sample source to identify O-GlcNAcylated protein targets relevant to human diseases. Using human term placentas, we propose (1) a method to clean frozen banked tissue of blood proteins; (2) an optimized protocol for the enrichment of O-GlcNAcylated proteins using immunoaffinity purification; and (3) a bioinformatic workflow to identify the most promising O-GlcNAc targets. As a proof-of-concept, we used 45 mg of banked placental samples from two pregnancies to generate intracellular protein extracts depleted of blood protein. Then, antibody-based O-GlcNAc enrichment on denatured samples yielded over 2000 unique HexNAc PSMs and 900 unique sites using 300 μg of protein lysate. Due to efficient sample cleanup, we also captured 82 HexNAc proteins with high placental expression. Finally, we provide a bioinformatic tool (CytOVS) to sort the HexNAc proteins based on their cellular localization and extract the most promising O-GlcNAc targets to explore further. To conclude, we provide a simple 3-step workflow to generate a manageable list of O-GlcNAc proteins from human tissue and improve our understanding of O-GlcNAcylation's role in health and diseases.
O-GlcNAc proteins:
TRGV5, TVBL4, HV320, TM275, MRCOL, EXC1L, TVB74, TVBK3, FEZF1, DEND3, MTMRB, PI4P2, POTEF, ARB2P, U17L3, LIRA5, S22AV, O6C75, SHSA7, TCPQL, SIG16, O4C45, P12LL, D11L8, ARG33, CD15L, YQ037, ZN487, TDR15, ERVV1, NACAM, ADAS, TAF4, CLIC1, MATN2, LORF2, ACACB, ARI1A, NCKP5, IRS4, ADA10, ZN609, SC16A, MCF2L, ERC2, ARHGB, FANCG, TNC18, MRP5, SIA8E, DDX3Y, MEFV, TET3, TTI1, SI1L1, SERA, M3K13, SNUT1, MTSS1, ZN208, HXA3, HNRPR, IF4G3, FOXO3, KCNQ2, LAT, BUD23, MYO1B, NRDC, S28A2, KIF1C, ADCY3, JIP4, SI1L3, TRAK2, L37A3, OPA1, GANP, KDM1A, FZD6, PLIN3, F262, SH21A, MMP20, ROCK2, LRP5, GLRA3, ZN217, USH2A, MYCB2, NU155, P3C2G, NALF2, CABYR, CDKA2, TRIO, C1QRF, CBPD, OR7C1, RECQ4, RECQ5, BAIP3, ATG12, NFASC, SRBS2, PCF11, ABLM3, SC31A, KCNK2, UBR5, AGFG2, SPN1, UBE4B, SCEL, CAC1H, RTN3, EPN2, STBD1, OR6A2, KCNH1, SMC2, TACC2, ZBT7A, CLD9, AGRL2, GLP2R, LGI1, MBD3, ANGT, EGF, IL2RA, LV223, IGHG3, IGHG4, IGHM, CO1A1, CO2A1, CO3A1, CO4A1, FETA, HMDH, A1BG, TBB4A, CP1A1, RPN2, ALDH2, HEP2, CO5A2, INSR, GELS, TY3H, ACBP, LDHB, NFM, CATD, TBB5, CBG, PFKAM, INHBA, CO4A2, IL6RA, PKHD1, HXB5, DLDH, IFI6, DANCR, DU4L4, O13C7, CC192, EFCE2, TZAP, LYAG, TGFB3, HSP7C, PSG1, MPRI, PRPS2, FGF5, COBA1, CO6A3, RLBP1, KCRU, MYH1, HEM1, K1C13, CO6, COBA2, ENPL, ATF2, VAV, IGLL1, PGCA, ZN823, HSP76, JUND, PFKAL, EGR1, XRCC1, K2C4, CADH2, TSN8, LFA3, ITIH1, TYPH, PSB1, CO9A1, C4BPB, NEBU, PRPS3, FLNA, NF1, MUTA, TENX, IDS, PROZ, KS6B1, PTPRZ, MYL9, CO8A2, ITA3, 3BHS2, SYVC, PON1, VATL, CD82, MAP4, TPP2, EPHA8, CO4A5, MPIP1, V2R, SC6A1, CLIP1, HXD11, 3HIDH, PRDX2, DSG3, C2TA, ACSL1, CSTF2, MRP1, MCM7, BMP8B, HSP74, TRY3, PCGF2, ADML, ADA1A, GGT2, VATA, HSPA9, COFA1, PK3CB, PI4KA, CNDD3, THIM, MAGAC, ABCG1, KI67, NOP2, UTRN, PA24A, OR1D4, TNFL6, SC6A8, IREB2, PK3CG, RPIA, SYCC, RBP2, RGS3, GSK3B, MNX1, F10A1, LRBA, TCPD, SMCA2, GALK1, IRAK1, DHB4, NEK3, ROA3, MYOM1, IMA1, JAK3, ZN142, EFNA4, SMTN, SC24C, ATX3, SYYC, HSP72, RD23A, GYS2, LMIP, SYMC, DPOE2, HDAC4, PER3, BACE1, BCAR1, CORO7, KCNKA, SESN2, FOXL2, ATS20, C1QT8, SIA8F, RS6, VPK21, POK7, HBA, RNF4, IRX4, DEN2B, SSBP2, RT05, EFNB1, AT8B2, EM55, HXC5, PLCB2, PSG9, E2F1, CO4A3, OCRL, NAAA, CO7A1, DSG1, MUC3A, GUC2D, AKA12, DYST, CREM, ROM1, KIME, COAA1, COEA1, KDSR, ZO1, SOS2, PP2BA, DHX9, CACB2, GOGA3, CLM6, SPIR1, EP300, AHNK, KLH30, MN1, SIAT6, WASC5, KCMA1, RB40B, DLG1, NFAC3, ABR, STK4, CSN1, IFT88, KLF10, RFA4, PSMD2, MMRN1, M3K1, IFIT5, PDE3B, ADAM9, BIRC2, OLIG2, CUL4B, DYR1A, PTC1, THOC5, CAYP1, CDK13, CO4A6, NID2, VEZF1, DELE1, BTG3, DYHC1, NPAT, E2F2, FLNC, LRC32, NF2L1, FAT1, HABP2, SCN5A, ITIH4, TRIPC, NCOA6, MBTP1, PTCA, ICAM4, MYPC3, COJA1, NAA25, CND1, ACAP1, SETB1, RRS1, RYR3, KS6A1, SURF1, TAF7, OR7A5, PCH2, MED1, JHD2C, U2AFM, HERC1, CAC1E, B2LA1, MIA, QPCT, RTN1, PPR3A, SIA4B, PTPRN, SYT16, COOA1, DOK7, CSPP1, INF2, MICB, KI26B, BLTP1, MGAL, SC5A9, RPEL1, TMM44, SMTL2, COSA1, KLH38, FR1L6, S4A8, RGL3, WDR72, CCD14, C2CD3, HYDIN, SRCRM, GREB1, SEZ6, DHB12, SETMR, SDK2, DCAF6, ACTMP, ACBG2, ESCO1, FREM1, PWP3B, BRD10, MTX3, AKAP4, PREP, RRP12, FRPD3, DOP1, SNP47, MUC21, SAPC1, SNPC4, EYS, MRP7, RBM20, ZFY27, CAMP1, RM02, ADIPL, LITD1, KANK4, TTBK1, MTCL3, BIG3, STPG1, RAIN, RIF1, OBSCN, MRCKA, EF1A3, AGAP9, TCRGL, RSBN1, C1QL3, DEN4C, RRAGB, USPL1, EST4A, RN123, RN213, EGFLA, TENS2, SAXO2, ICE2, MAP1S, B3GNL, RPGP2, NR3L1, USF3, ZFY26, CR063, S31H1, WWC2, BLT3A, MRCKG, RGPA1, NADE, CPZIP, ALKB2, DHX57, MSD2, ACSM6, BGP11, ZN549, CCD62, S2534, TXD11, XKR2, GP179, TRAF7, CORO6, ARL9, ANR11, CRTC1, CSPG4, CP20A, EST3, PRS57, XKR5, PAMR1, ITIH6, FAT4, NHLC1, BCOR, IGS10, GGYF2, ATL5, EMAL6, NFXL1, ALKMO, NBEL2, DMP46, NBEL1, RFLA, CFA47, TPGS1, UBN2, MROH5, TPRG1, PHLP2, ACD11, UBP54, UBP43, UB2R2, MD13L, KNDC1, SND1, TEDC2, NDUF7, FA2H, VASH1, GRP2, CXXC5, ZCCHV, GLUCM, VP35L, MIER3, CA2D4, ZFY16, CSMD3, LFG1, PK1L2, GDF7, HEAT3, MDGA2, BRAP, MUC19, RBBP6, SH3R1, RAB44, TAF8, TARSH, VP13B, TMED4, UBP37, K1328, ALPK2, ACOT1, CN023, PABP2, MTA70, LYRIC, BCL9L, GGN, CASZ1, VASH2, MOGT3, NAL14, NLRC5, HEAT4, RLGPB, CIR1, MICU3, HOGA1, GA2L3, PRSR1, ZGRF1, THNS2, C2CD5, KR191, TMTC1, AHNK2, MGAP, ANKH1, LMTD2, ZC3H3, SP8, MILK2, REM2, ELMD2, CORA1, MAML2, DSEL, MIER1, INT1, SCML4, LRC43, CIART, CLIP4, CMYA5, PRR18, T151A, PAQR4, FBXL6, SRBD1, NKAP, TBC19, MEIOB, IGSF1, TEX26, ARFG2, ARI2O, SIGL1, DCBD1, AMER3, ABTB2, SYT2, TRIML, DAAF3, LMTD1, LMBL4, FANCB, NHLC2, DRAXI, SIDT2, DHB11, P5I13, CAMKV, MACA2, SMG8, RN214, HMCN2, LRTM3, RB15B, TNR6A, BHE23, DIK2A, CC112, ZSWM2, ZMIZ2, COMA1, MYRIP, NEK11, O4F15, O51S1, OR6T1, OR6K6, O10R2, OR1FC, LIRB1, KI18A, NPL4, MUC7, ALMS1, LKAM1, MO2R1, DSCL1, GTR14, GRP4, ACTT1, CHD5, DMXL2, DLG5, HAVR2, LMX1A, SH3R3, FBF1, FNIP1, ZN526, SETD7, COG1, FRS2, LMO7, TCP11, NELFB, PALLD, ATRIP, STON2, AGRV1, CNKR2, MUC16, ASB15, TITIN, S39A7, NR4A3, MAML1, HS105, AKAP1, RYR2, TENR, RREB1, CBP, PRG4, GLMN, DVL3, TNR25, SBP2L, NKD2, POP5, P33MX, SOSB2, RPE, CR3L1, MSI2H, NXPE2, SGTB, TV23C, DTBP1, MCRS1, MISP3, LRC46, CFA36, FUBP3, BOD1, HPDL, LRIG1, M4A14, DYH8, VPS39, SPTCS, MAML3, ZN333, LCOR, MY15B, S35E1, PHAR3, P12L2, ALPK3, IFT74, PRRC1, CCDC7, DNHD1, HARB1, CFA44, SPT33, TTC14, HUTU, LRRC7, QRFPR, GPR78, NOE3, PGRP2, ARHGH, GBP4, SIG12, PP1RA, DEPD7, PHF12, MAGI1, TAAR9, MED15, GCP5, HMCN1, CRML, WDR24, S22AC, TM209, CP2S1, NIBA2, STAC, AGAP2, PLIN2, PKP4, PI3R4, PMYT1, EPYC, LYST, COCA1, SMAD5, ZNT3, TEP1, TBL1Y, SLF1, SYT15, TIRR, PSF3, ZN649, CRDL1, ZSA5A, TBB2B, TRPM6, C1QT4, PINK1, COPA1, TEX15, AN30A, PECR, K1671, CDHR2, GSDMC, TRI55, PITM3, CPEB1, BARH1, IRX2, CFA74, TANC1, LNP, ASXL3, SRCN1, WDR33, ARP3C, BRD8, RBM38, I2BPL, TRPV6, S6A17, GBA3, CAD23, VPS11, SLK, HIPK2, ATS10, E41LB, UBQL3, KDM4C, SEM6C, RIBC2, PDZD7, AT133, MT21D, CCNP, GORS2, PANK3, SPE39, AGO3, RPA2, S28A3, LY9, TENS1, TM165, NCKX3, MUC5B, CAN10, SPON1, NCOA5, TANC2, PLXA4, TRI39, PDE11, WDR6, MLXPL, OSGEP, UBN1, MEPE, ANO2, BIRC6, ARHG4, KCNQ5, MXRA5, 4ET, SH2B1, SNRK, KCNH7, SIA7A, LRC4B, MDN1, FX4L1, ZBT40, DECR2, SPS2L, HAUS2, AKIP, OXSM, SIR5, ZDHC7, ING3, SNTG2, SO1C1, DACT1, CELR1, CELR3, ERAP1, PDXL2, DTL, PA2GE, MYOF, CNOT2, LRP1B, FOXJ2, AKA7G, YP008, SIRPG, PHRF1, PLCE1, ZSWM5, DYH2, JCAD, FPRP, CT2NL, CHD7, HTR5B, F135A, UNC79, RRBP1, UBP35, KANL3, NYNRI, ZN219, HNF6, MYO1A, DBF4A, KCNN3, AAKG2, RPGFL, MED13, VAX2, ENPP5, DP13A, BORG2, TLK1, PO2F3, MUC12, CDV3, TEN1, TRPC5, PADI1, DEN2A, F184B, INO80, MRTFB, ZBT21, HECD1, ZMYD8, CAPS1, COHA1, KMT2B, BARX2, PCDGK, PACN2, ATS8, BSN, LHX6, MACF1, PHF8, IQEC3, LIMC1, ANR26, UBP24, CBPC1, TUTLB, SRRM2, CNTN6, CHKB, RT33, ZN652, SL9A8, ANKR6, PKHA6, SIK3, YBOX2, COG6, ZBT32, LSM2, PHOCN, RTCB, GRIP1, WNK2, LMBL1, DMXL1, ARIP4, MTCL1, CRBG1, PRC2C, YTHD2, PCDB7, SPO11, CD2AP, ENTP2, CERT, MRCKB, NR2E3, HEBP2, NCOR2, COX11, AP1M2, NCOA3, M3K4
Species: Homo sapiens
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Levine ZG, Fan C, Melicher MS, Orman M, Benjamin T, Walker S. O-GlcNAc Transferase Recognizes Protein Substrates Using an Asparagine Ladder in the Tetratricopeptide Repeat (TPR) Superhelix. Journal of the American Chemical Society 2018 140(10) 29485866
Abstract:
The essential mammalian enzyme O-GlcNAc Transferase (OGT) is uniquely responsible for transferring N-acetylglucosamine to over a thousand nuclear and cytoplasmic proteins, yet there is no known consensus sequence and it remains unclear how OGT recognizes its substrates. To address this question, we developed a protein microarray assay that chemoenzymatically labels de novo sites of glycosylation with biotin, allowing us to simultaneously assess OGT activity across >6000 human proteins. With this assay we examined the contribution to substrate selection of a conserved asparagine ladder within the lumen of OGT's superhelical tetratricopeptide repeat (TPR) domain. When five asparagines were mutated, OGT retained significant activity against short peptides, but showed limited limited glycosylation of protein substrates on the microarray. O-GlcNAcylation of protein substrates in cell extracts was also greatly attenuated. We conclude that OGT recognizes the majority of its substrates by binding them to the asparagine ladder in the TPR lumen proximal to the catalytic domain.
O-GlcNAc proteins:
E2F8, PRXD1, TSPY2, CGB1, ZN839, CENPX, PDLI1, WWP2, FOXN3, IMA4, DPYL4, ABLM1, MEIS2, HGS, GAK, PLS1, MAGB4, ARPC5, DC1L2, FGF16, WIPF1, FRS3, RNF13, ZN207, ENSA, SMCA5, CE104, OGA, AP180, PQBP1, E2F6, ADAP1, DNJC8, FLOT1, TPPP, SCEL, CELF2, RPGF3, CLD14, KLF8, BAG3, PAK4, IGHG3, MBP, NFIC, SNRPA, CEL3A, RU1C, IGLC1, MTAP2, ERG, DMD, IRF2, ENPL, FOSL2, F261, SDC1, ATF1, ATF3, ELK1, TFEB, RXRA, COMT, USF1, FGFR3, NR4A1, THAS, MARK3, ARNT, PSB4, RBMS1, FCERG, MPIP1, CSTF2, CD68, BMI1, COPB2, SOX5, RS19, ARL4A, ETV5, IPP2, STAT6, ABL2, KSYK, TFPI2, RFX5, RXRG, CDK8, GSK3B, TAF6, SPS1, DNLI3, DYN2, GALK1, AGFG1, SC24C, DLX1, HDAC4, CTBP2, KLF3, TIRAP, PPIA, CSK21, 3BP2, SSBP2, CDKL1, BORG5, TFAP4, ROR2, CACB1, CREM, MECOM, TLE4, FAK1, COEA1, MTG8, GABPA, GABP1, DERM, TLE5, DEMA, ASPH, PP1R8, LCP2, DUS4, MTAP, EI2BE, G3BP1, GRB10, MTA1, PPIL2, PICAL, DYR1A, FHL3, NCOA4, CAYP1, CIRBP, DGCR6, VGLL4, CAPR1, GRB7, CASL, MEF2D, LASP1, SPCS2, SEPT2, PCM1, SIX1, SF01, TRIP6, RHOH, TAB1, ADRM1, CCDC6, BATF, NFE2, MAR1, NRF1, SMTL2, LETM2, OD3L2, AX2R, AMOT, AKIR2, PRR30, LARGN, RGPS1, PRC2B, TEX30, SNP47, PHYD1, KANK4, EEIG1, CPTP, AHDC1, KHDR2, EF1DL, OLM2B, ANKS6, RHG17, CNDH2, GRHL2, HMBX1, JHY, PP4R4, JMJD6, SCYL2, GOLM2, RSBNL, PSRC1, DRIC1, KCD18, FIP1, SAS6, CLM9, CCBE1, DUSTY, E400N, TM1L2, UBP45, MARK2, KCTD9, MCM10, CC186, POGZ, FLIP1, TAF8, RM55, S1A7A, SYVN1, PHLB1, CASZ1, PIM3, GA2L3, DDX42, CEP57, SPAS2, Z280B, PDPN, KCC1D, TF2LX, LOXH1, ARI3B, APLF, CC28A, RHG12, SKA3, PHC2, HYCC2, CMIP, SMAP1, RUSD2, ABI1, SYCE1, RPTOR, BATF2, S35F6, KLH36, ANS4B, MARHA, ZSCA1, UXS1, NECP1, BBOF1, LIPB2, MISSL, PHC3, TMIE, NUP35, OR4D6, JOS2, WDR48, GABP2, DPTOR, ALAT2, BRSK1, GRP4, HELQ, BL1S5, BCAS4, LMX1A, SSH3, SH3R2, FBF1, DLRB2, HDAC7, STYX, GTSF1, NEUR4, CSRN3, AP2B, SHC3, RORB, STAM1, CELF1, ARHG1, CSN5, RBPMS, ZDH16, PMEPA, UTP4, FERM2, SOSB2, R51A1, CR025, LENG1, BIRC7, PBIR1, CC126, PF21B, NRBF2, EDC3, PDLI5, ANCHR, ZC3HA, PKNX2, EGLN2, MARK4, UB2E2, PRRC1, NOL4L, AP4AT, SCLT1, TOX2, QKI, PNMA5, YPEL2, NUDC1, RB40C, UBL7, CK2N2, OSBL9, PNKP, PLIN2, CDCA3, HCD2, SNAG, ARI3A, DPYL5, CG025, SOSB1, TCF25, COE4, MIC25, UTP23, ALKB7, RBM42, LRRC1, TRMO, MCRI2, RSRP1, BBLN, ASHWN, SARG, NADAP, SSBP3, PLVAP, OSB11, B2L13, STK31, DGC6L, RM01, KLC2, SIK2, REN3A, NELFA, PPDPF, ILRUN, ES8L2, KI3X1, SP14L, B2L12, PKHA3, PKHA1, TAF9B, ARNT2, SYTL2, CIP1, CASS4, HINT3, PRDM5, PAR11, MBNL1, BRWD1, KLC4, TB22B, MBNL3, NFIP2, ZSC32, TMOD3, UGGG2, CWC15, KANL3, RBPJL, DKK4, LIMD1, DPOLL, AFF4, UBQL2, PUF60, BAZ2B, GGA2, ING1, BORG2, AGO2, ZHX1, MUCEN, ANR50, PCDGK, POLI, LIMC1, SMAG1, BAIP2, RPC10, PPIL1, C2CD2, MTL5, TBL2, YTHD2, T10B, SNX14, RT18B, GMEB1, STON1, PCLO, ZHX2, S23IP
Species: Homo sapiens
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Wang S, Yang F, Petyuk VA, Shukla AK, Monroe ME, Gritsenko MA, Rodland KD, Smith RD, Qian WJ, Gong CX, Liu T. Quantitative proteomics identifies altered O-GlcNAcylation of structural, synaptic and memory-associated proteins in Alzheimer's disease. The Journal of pathology 2017 243(1) 28657654
Abstract:
Protein modification by O-linked β-N-acetylglucosamine (O-GlcNAc) is emerging as an important factor in the pathogenesis of sporadic Alzheimer's disease (AD); however, detailed molecular characterization of this important protein post-translational modification at the proteome level has been highly challenging, owing to its low stoichiometry and labile nature. Herein, we report the most comprehensive, quantitative proteomics analysis for protein O-GlcNAcylation in postmortem human brain tissues with and without AD by the use of isobaric tandem mass tag labelling, chemoenzymatic photocleavage enrichment, and liquid chromatography coupled to mass spectrometry. A total of 1850 O-GlcNAc peptides covering 1094 O-GlcNAcylation sites were identified from 530 proteins in the human brain. One hundred and thirty-one O-GlcNAc peptides covering 81 proteins were altered in AD brains as compared with controls (q < 0.05). Moreover, alteration of O-GlcNAc peptide abundance could be attributed more to O-GlcNAcylation level than to protein level changes. The altered O-GlcNAcylated proteins belong to several structural and functional categories, including synaptic proteins, cytoskeleton proteins, and memory-associated proteins. These findings suggest that dysregulation of O-GlcNAcylation of multiple brain proteins may be involved in the development of sporadic AD. Copyright © 2017 Pathological Society of Great Britain and Ireland. Published by John Wiley & Sons, Ltd.
O-GlcNAc proteins:
SBNO1, F221A, CNOT1, WIPF3, MYO9A, APBB1, TAF4, P3C2A, DLGP1, C2C2L, DC1I1, CTRO, NCAN, ABLM1, KMT2D, MYPT1, PDZD2, RIMB2, TCPR2, ERC2, ANR28, LAMA5, OGT1, CLOCK, SI1L1, M3K13, HS12A, CP110, MTSS1, M3K7, TPD54, IF4G3, E41L2, FOXO3, KCNQ3, RNF13, MYPT2, AP180, PLIN3, MOT2, MAFK, HCN1, SLIT3, CLAP2, DEPD5, LIPA3, PP6R2, ANR17, LIPA4, NCOR1, GGYF1, HSBP1, ATRN, FLOT1, SYUG, TPPP, TOX4, SRBS2, TOX, ABLM3, AGFG2, RTN3, KCNH1, VAPB, ZFYV9, SC24B, CNOT4, ZMYM6, BAG3, DDAH2, ABL1, CRYAB, LMNA, MBP, FUCO, GCR, G3P, HSPB1, APOD, PERM, IF2A, NFL, NFM, SAP, VIME, CO4A, AN34C, ATX1L, ELFN1, DERPC, CALM1, CALM2, CALM3, LYAG, LAMC1, MTAP2, EPB41, BCR, LAMP1, PABP1, NFH, CO6A2, CO6A3, TPR, SKI, CSPG2, GFAP, KPYM, GNS, ZEP1, ARSB, ITB4, STMN1, ATF7, SYN1, NEUM, EGR1, SON, ELK1, TFE3, CSK22, ICAL, MAG, CSRP1, VDAC1, TENX, CBL, PTPRZ, OMGP, LAMA2, TENA, APC, DNJB2, MAP4, PTPRM, CLIP1, ZEP2, L1CAM, HS71L, CTNB1, ADDA, NU214, NUP62, SYUA, VATA, CUX1, STAT3, PTGDS, GRM5, GRIA1, MATR3, ATRX, NOTC1, MAP1B, SC6A8, PRC2A, UB2R1, NU153, RBP2, GSK3A, TAF6, TOB1, PPT1, FXR2, MECP2, AGFG1, NUP98, ATX1, DSRAD, LAMB2, CAD13, TPD52, STX17, MYPR, CSK21, F193A, SHPS1, IF4G2, PHC1, MAP1A, BASP1, KGD4, FOXK1, PGBM, RHG04, HNRPU, SPTB2, ANK2, NAAA, DYST, NOTC2, TLE2, TLE4, NMDZ1, MEF2C, ZO1, ACK1, LG3BP, DEMA, CAMP2, AHNK, BPTF, CNTN1, ANK3, ROA0, GPS2, MTA1, LSAMP, GAB1, PICAL, ASAH1, RIPK1, KCC2B, BMPR2, VEZF1, UBP2L, GIT2, DPYL1, DCTN1, SRC8, PUM1, EPN4, RRP1B, NCOA6, KCNB1, LASP1, CRYM, NFIX, NUMA1, SHPRH, HECAM, IF4H, PLEC, PTPRR, PTPA, NCOA2, SF01, JHD2C, T22D1, PI5PA, TAB1, NCOA1, ZYX, SYUB, ADRM1, CCDC6, AINX, DPYL2, NTRK2, TBR1, RTN1, RFX7, QSER1, AAK1, QRIC1, MA7D1, TBC25, TB10B, TPRN, FIL1L, SVEP1, GRAP1, AMOT, CCD93, IGS11, ARMX4, NHLC3, PRC2B, SNP47, CE170, ZEP3, SKT, UBAP2, RBM26, AHDC1, VP13D, MRCKA, RPRD2, RN220, F1711, TASO2, MLIP, PAPD7, TENS2, KANK2, CRBG3, ANR40, ABLM2, CAPR2, LIN54, F117B, SCYL2, NFRKB, MDEAS, ZC3HE, LARP1, FIP1, PAMR1, MCAF1, MPRIP, GGYF2, NFXL1, PPR3F, K154L, RAPH1, UB2R2, HAKAI, MTSS2, ASXL2, CEP68, SPT6H, SYT13, MICA3, GRIN1, POGZ, ZFY16, MAVS, EMSY, RBBP6, SH3R1, HUWE1, YTHD3, FLIP1, LYRIC, RIMS1, F124A, LUZP1, PACS2, RLGPB, P66A, KCC1D, AHNK2, NAV3, TEX2, MGAP, CC28A, UBR1, ANKH1, NPAS3, MILK2, ULK2, PHAR4, DCP1B, SPART, CEND, RPTOR, KT222, ZN687, DOCK4, SYNPO, FNBP4, MINK1, OXR1, AVL9, CAMKV, SLAI1, NUP35, REPS2, NBEA, MYRIP, SVIP, PLBL2, NCOA7, TBC15, NEK9, DLG5, GEMI5, WIPF2, F222B, SMAP2, TM263, ZFN2B, LMO7, CTL1, ATX2L, PALLD, CSKI1, MADD, P66B, BAALC, ZCH14, LAR4B, PTPRU, RYR2, TAF4B, SYN2, DDX17, GPKOW, FUBP2, ARHG2, LPP, SNX21, MRTFA, SH3K1, PF21A, ATG2B, PLD4, REPS1, CYFP2, PHIPL, PGCB, PDLI5, MAP6, VCIP1, ZFR, EP400, SPT33, DOCK7, LRRC7, RBM14, NED4L, QKI, SYGP1, LMTK3, PLIN4, ARX, CIC, MED15, KKCC2, MINT, PKP4, ATX2, SH3G3, DPH2, KTNB1, TPPP3, SRBS1, BBS2, YTHD1, WNK3, CFA74, ZCHC2, TB182, AMRA1, ZC12C, SRCN1, SP130, BRD8, WDR13, EPC1, CA198, WNK1, E41L1, ZHX3, VIAAT, Z385D, DOCK5, GORS2, JUPI2, MA6D1, SIAE, PKHA5, RC3H2, TENS1, EMAL4, ZBT20, TANC2, E41LA, APMAP, ARFG3, GEPH, ENTP7, BMP2K, RN146, STAU2, T106B, CARF, TAB2, GGA3, ARHGC, SPN90, DLGP2, CAMP3, PHRF1, PLCE1, STOX2, KANL3, ARP21, S30BP, NRBP, CDC23, GGA2, AKA11, GMEB2, TNIK, PARP4, HCN2, MRTFB, YETS2, EPDR1, NOTC3, SPAT2, SYNRG, G3BP2, BSN, SCAF8, LIMC1, TRAK1, SHAN2, RIMS2, SRRM2, CTND2, JIP1, KCC2A, DLGP4, E41L3, GIT1, WNK2, C2CD2, TLN1, ARIP4, MTCL1, DCAF1, RPGF2, PRC2C, SHAN1, FLVC1, NCOR2, GMEB1, EMIL1, EPN1, NUMBL, M3K4, PCLO, ZHX2, S23IP
Species: Homo sapiens
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