REFERENCES



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Tan W, Jiang P, Zhang W, Hu Z, Lin S, Chen L, Li Y, Peng C, Li Z, Sun A, Chen Y, Zhu W, Xue Y, Yao Y, Li X, Song Q, He F, Qin W, Pei H. Posttranscriptional regulation of de novo lipogenesis by glucose-induced O-GlcNAcylation. Molecular cell 2021 81(9) 33657401
Abstract:
O-linked β-N-acetyl glucosamine (O-GlcNAc) is attached to proteins under glucose-replete conditions; this posttranslational modification results in molecular and physiological changes that affect cell fate. Here we show that posttranslational modification of serine/arginine-rich protein kinase 2 (SRPK2) by O-GlcNAc regulates de novo lipogenesis by regulating pre-mRNA splicing. We found that O-GlcNAc transferase O-GlcNAcylated SRPK2 at a nuclear localization signal (NLS), which triggers binding of SRPK2 to importin α. Consequently, O-GlcNAcylated SRPK2 was imported into the nucleus, where it phosphorylated serine/arginine-rich proteins and promoted splicing of lipogenic pre-mRNAs. We determined that protein nuclear import by O-GlcNAcylation-dependent binding of cargo protein to importin α might be a general mechanism in cells. This work reveals a role of O-GlcNAc in posttranscriptional regulation of de novo lipogenesis, and our findings indicate that importin α is a "reader" of an O-GlcNAcylated NLS.
O-GlcNAc proteins:
SRPK2
Species: Homo sapiens
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Qin K, Zhu Y, Qin W, Gao J, Shao X, Wang YL, Zhou W, Wang C, Chen X. Quantitative Profiling of Protein O-GlcNAcylation Sites by an Isotope-Tagged Cleavable Linker. ACS chemical biology 2018 13(8) 30059200
Abstract:
Large-scale quantification of protein O-linked β- N-acetylglucosamine (O-GlcNAc) modification in a site-specific manner remains a key challenge in studying O-GlcNAc biology. Herein, we developed an isotope-tagged cleavable linker (isoTCL) strategy, which enabled isotopic labeling of O-GlcNAc through bioorthogonal conjugation of affinity tags. We demonstrated the application of the isoTCL in mapping and quantification of O-GlcNAcylation sites in HeLa cells. Furthermore, we investigated the O-GlcNAcylation sensitivity to the sugar donor by quantifying the levels of modification under different concentrations of the O-GlcNAc labeling probe in a site-specific manner. In addition, we applied isoTCL to compare the O-GlcNAcylation stoichiometry levels of more than 100 modification sites between placenta samples from male and female mice and confirmed site-specifically that female placenta has a higher O-GlcNAcylation than its male counterpart. The isoTCL platform provides a powerful tool for quantitative profiling of O-GlcNAc modification.
O-GlcNAc proteins:
A0A0A6YVU8, A0A1B0GSG7, RBM47, ZN335, A2A8N0, TITIN, SBNO1, CNOT1, PHRF1, ZN462, TAGAP, D3YUK0, E9PUR0, E9PVW1, E9PWI7, E9PYB0, PARP4, E9PZS2, E9Q2C0, E9Q3G8, E9Q616, BD1L1, E9Q732, ARHG5, E9Q7N9, E9Q842, E9Q9B4, E9Q9Q2, E9QA22, E9QAE1, F6Y6L6, F8VQ29, F8VQM5, J9JI28, PDLI1, SPT5H, TAF4, ARI1A, ABLM1, KMT2D, MYPT1, ZN609, SET1A, SYNEM, PUR4, TNC18, KDM6A, DPOD2, M3K7, TPD54, SYNJ1, ZN207, SRPK2, ACK1, SYUA, MYPT2, KIF1B, HBP1, OGA, VINEX, PLIN3, MAFK, BRD4, PDLI1, KDM6A, SRPK1, N4BP1, ANR17, NCOR1, CREG1, CRTAP, MYO1A, MTR1L, CREG1, TOX4, SUN1, M3K6, PSMG1, SC24B, CNOT4, ABL1, ABL1, EGFR, LAMC1, LMNA, GLCM, GCR, HSPB1, PPBT, RLA2, ITB1, K1C18, K2C8, SAP, CATL1, LAMB1, ENPL, BGLR, NFIC, VIME, SNRPA, ROA1, ATX1L, TGAP1, GLI2, HLAC, CATB, TAU, BIP, FINC, K2C8, TPR, MSH3, ENPL, PO2F1, ATF2, GNS, ZEP1, RS2, MUC1, JUNB, ATF7, CATD, SON, SERPH, NELFE, BIP, ROA2, CBL, IF4B, APC, ARNT, MAP4, TEAD1, RXRA, RXRB, RXRG, CLIP1, AIMP1, HXA11, ELF1, NU214, MP2K2, VATA, CUX1, PBX2, MLH1, STAT3, SSRB, KI67, STT3A, RFX5, LMNA, DPOD2, PAXI, CDK8, YLPM1, NU153, RBP2, TAF6, EMD, PPT1, FXR1, ICAL, HCFC1, AGFG1, NUP98, ATX1, ATN1, PTN5, AF17, DSRAD, AMRP, ACYP2, NU107, ACOT8, S26A1, TB182, YTHD1, ASXL1, PI5PA, RIN3, MRTFB, RL37, KCNA2, RALA, STIM1, PITX1, IF4G2, SRPK2, RENBP, COG7, WNK1, SERF2, RPTN, SPSY, DAB2, RBM10, HNRPU, SPTB2, FOXK2, EWS, MEF2A, SP2, CO7A1, S30BP, NUCB1, ENL, IF4G1, K1C17, TLE3, TLE4, TOP1, SUH, CBG, ACK1, DEMA, AHNK, FOXO1, TROAP, BPTF, NFIA, ROA0, G3BP1, PABP4, ATM, PICAL, MAMD1, RIPK1, STIM1, MTMR1, CUL4B, ASPP2, KLF5, NFYC, CDK13, VEZF1, DSG2, TRI29, UBP2L, SRC8, PUM1, EPN4, RRP1B, NCOA6, DIP2A, MEF2D, NUMA1, R3HD1, KIF14, EBP, RCN1, KS6A1, RBMS2, TAF1C, NCOA2, SF01, JHD2C, MARE1, ELF2, TAB1, ZFHX3, ZYX, ADRM1, CCDC6, TAF9, STX1A, RFX7, QSER1, QRIC1, PRC2C, PBIP1, GSE1, TNR6A, CEAM5, Q3UKP4, COBL1, ARH40, SC31A, PEG3, SRBS2, Q3UU43, F91A1, ARBK2, Q497W2, Q4KL65, PHAR4, EPC2, CRTC2, BCORL, K2026, TGO1, PRC2B, TOIP1, SPG17, SHRM1, ZN362, LRIF1, RHG21, UBAP2, RBM26, RPRD2, ZN318, NCOR1, LAMA5, HCFC1, P3C2A, SAP, AP180, MAFK, SPTB2, SH3G1, ZYX, TSH3, INADL, WAPL, KAZRN, SBNO1, ARID2, DYH17, SAM9L, CDK13, LAR4B, BICRL, RHG21, HELZ, TTLL5, PANX2, PKHG2, NIPBL, LIN54, F135A, RPRD2, IF4G1, SPIC, SCYL2, NFRKB, INT1, ZN182, UGGG1, MDEAS, ZC3HE, RICTR, FIP1, CRTC3, SAS6, MCAF1, BCOR, GGYF2, NU188, CO039, UBN2, HAKAI, ASXL2, SPT6H, DDX46, KDM3B, PICAL, PRC2B, OOG2, ZIC5, NRK, POGZ, MAVS, CLAP1, EMSY, I2BP2, SRGP1, SH3R1, HUWE1, YTHD3, NU214, UBP2L, TMC5B, ZN598, TOPRS, SHAN2, Q80ZX0, ZNF18, Q810G1, BCL9L, LUZP1, PRSR1, DDX42, PALB2, P66A, GNS, LPP, TB10B, TGO1, Q8BIB6, ZN771, ZNT6, AAPK2, CNOT4, SP110, IFFO1, YTHD3, NCBP3, DEFI6, RBM14, CNOT2, CABS1, Q8C6L9, TCAL5, TAB1, SCYL2, ASPP2, PHC3, EPN2, PDLI5, I2BP1, RN135, AHNK2, NAV2, MISP, MGAP, ANKH1, PHAR4, XRN1, PELP1, Q8JZK6, Q8K0U8, AGFG1, TXD11, IL23R, ARHG6, SPART, SPICE, NUP93, CLASR, ZN786, SYNPO, FNBP4, ARFG1, ENAH, TNR6A, PHC3, SP20H, NAV1, VP37A, KMT2C, BD1L1, NUP35, STXB6, KNL1, TCAL3, MTSS1, SPART, NUP35, PUM2, STT3B, ALMS1, GEMI5, WIPF2, MAVS, UTP6, PI3R4, AMOT, P66B, STAG1, PCNP, LMO7, ATX2L, CSKI2, P66B, BBX, TITIN, HNMT, UBAP2, DCP1A, NRIF1, SMG7, RTF1, MAML1, ZN592, LAR4B, TAF4B, SHIP1, DDX17, RENT1, GPKOW, FUBP2, LPP, TTC28, PF21A, INT12, RCN3, CERS2, PDLI5, FUBP3, MY15B, ANCHR, CLP1L, Z512B, ZFR, EP400, NOL4L, RBM14, CIC, MED15, PIGS, DCR1C, SIN3A, MINT, EYA3, TEAD3, ATX2, RFC4, DHX58, ANX13, GORS2, TAB2, EPN4, ANR17, DPH2, WAC, DIDO1, YTHD1, AMRA1, TANC1, TXD12, F133B, RBM33, GPI8, Q9D2U0, ZC21B, FUND2, F162A, APMAP, Q9D809, FIP1, CNPY3, Q9DAV5, Q9DB24, ALG2, PLIN3, MYPT1, WWTR1, Q9EQC8, SALL1, RBP2, GILT, MFF, SP130, APC1, I2BPL, RBNS5, EPC1, ADNP, ZN106, TM245, CPVL, PTN23, WNK1, E41L1, ZHX3, ZN335, PKHG2, CCSE2, CQ10B, MLXIP, PKHA5, RC3H2, TAF9B, ZBT20, NCOA5, ZN532, APMAP, HYOU1, ADRM1, GIT2, BAG3, UBN1, PDLI7, DIAP3, RBM12, CARF, ETAA1, HXC10, TAB2, UGGG1, CDK12, ITSN2, CNOT2, TMEM9, DAPLE, NYAP2, KANL3, SON, LIMD1, KI21B, KI21A, PPIE, PCM1, GALK1, MRP5, SE1L1, LIMD1, TCF20, SUN2, AFF4, UBQL2, S30BP, NRBP, SIX4, TASOR, GMEB2, PARP4, NUP50, ZHX1, YETS2, HECD1, SCAF8, SRRM2, SCML2, S22AL, NCOR2, DEMA, POLH, R3HD2, ZN281, FBX7, RPGF2, IRS2, HYOU1, PRC2C, NCOR2, GMEB1, S23IP, SRPK3, Q9Z0I7, VNN1, KLK4, SE1L1, RGS6, E41L1
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