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Overview

Uniprot IDO60942
Protein NamemRNA-capping enzyme
Gene NameRNGTT
OrganismHomo sapiens

Kla Sites from experimental identification

Position Flanking peptide
220 GSSASFGKRRKERLK
591 LMPPPPPKRPRPLT*

Function

Bifunctional mRNA-capping enzyme exhibiting RNA 5'-triphosphate monophosphatase activity in the N-terminal part and mRNA guanylyltransferase activity in the C-terminal part. Catalyzes the first two steps of cap formation: by removing the gamma-phosphate from the 5'-triphosphate end of nascent mRNA to yield a diphosphate end, and by transferring the GMP moiety of GTP to the 5'-diphosphate terminus of RNA via a covalent enzyme-GMP reaction intermediate

Protein Sequence

10 MAHNKIPPRW 20 LNCPRRGQPV 30 AGRFLPLKTM 40 LGPRYDSQVA 50 EENRFHPSML 60 SNYLKSLKVK 70 MGLLVDLTNT 80 SRFYDRNDIE 90 KEGIKYIKLQ 100 CKGHGECPTT 110 ENTETFIRLC 120 ERFNERNPPE 130 LIGVHCTHGF 140 NRTGFLICAF 150 LVEKMDWSIE 160 AAVATFAQAR 170 PPGIYKGDYL 180 KELFRRYGDI 190 EEAPPPPLLP 200 DWCFEDDEDE 210 DEDEDGKKES 220 EPGSSASFGK 230 RRKERLKLGA 240 IFLEGVTVKG 250 VTQVTTQPKL 260 GEVQQKCHQF 270 CGWEGSGFPG 280 AQPVSMDKQN 290 IKLLDLKPYK 300 VSWKADGTRY 310 MMLIDGTNEV 320 FMIDRDNSVF 330 HVSNLEFPFR 340 KDLRMHLSNT 350 LLDGEMIIDR 360 VNGQAVPRYL 370 IYDIIKFNSQ 380 PVGDCDFNVR 390 LQCIEREIIS 400 PRHEKMKTGL 410 IDKTQEPFSV 420 RNKPFFDICT 430 SRKLLEGNFA 440 KEVSHEMDGL 450 IFQPTGKYKP 460 GRCDDILKWK 470 PPSLNSVDFR 480 LKITRMGGEG 490 LLPQNVGLLY 500 VGGYERPFAQ 510 IKVTKELKQY 520 DNKIIECKFE 530 NNSWVFMRQR 540 TDKSFPNAYN 550 TAMAVCNSIS 560 NPVTKEMLFE 570 FIDRCTAASQ 580 GQKRKHHLDP 590 DTELMPPPPP KRPRPLT

Gene Ontology

Classification GO ID Description
Cellular Component GO:0005654 nucleoplasm
Cellular Component GO:0005634 nucleus
Molecular Function GO:0005524 ATP binding
Molecular Function GO:0005525 GTP binding
Molecular Function GO:0050355 inorganic triphosphate phosphatase activity
Molecular Function GO:0140818 mRNA 5'-triphosphate monophosphatase activity
Molecular Function GO:0004484 mRNA guanylyltransferase activity
Molecular Function GO:0004721 phosphoprotein phosphatase activity
Molecular Function GO:0004651 polynucleotide 5'-phosphatase activity
Molecular Function GO:0008192 RNA guanylyltransferase activity
Biological Process GO:0006370 7-methylguanosine mRNA capping
Biological Process GO:0006396 RNA processing

Reference

[1] Yang Z, Yan C, Ma J, Peng P, Ren X et al.. Lactylome analysis suggests lactylation-dependent mechanisms of metabolic adaptation in hepatocellular carcinoma.. Nat Metab 5(1):61-79. 2023 Jan. PMID: 36593272.