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Overview

Uniprot IDA0A8W4FDY5
Protein NameRNA-binding protein 33
Gene Name-
OrganismSus scrofa

Kla Sites from experimental identification

Position Flanking peptide
82 GSKVRVIKLSGGQGG

Function

RNA reader protein, which recognizes and binds specific RNAs, thereby regulating RNA metabolic processes, such as mRNA export, mRNA stability and/or translation. Binds a subset of intronless RNAs containing GC-rich elements, such as NORAD, and promotes their nuclear export by recruiting target RNAs to components of the NXF1-NXT1 RNA export machinery. Specifically recognizes and binds N6-methyladenosine (m6A)-containing mRNAs, promoting their demethylation by ALKBH5. Acts as an molecular adapter, which (1) promotes ALKBH5 recruitment to m6A-containing transcripts and (2) activates ALKBH5 demethylase activity by recruiting SENP1, leading to ALKBH5 deSUMOylation and subsequent activation

Protein Sequence

10 MKSLKPLRQA 20 RSIPPCPAQH 30 KVLQVKPADG 40 EGLPPPSQTA 50 RVASLQGRPP 60 EAKPGAKRTV 70 MHRASSGGGD 80 GPHIGSKVRV 90 IKLSGGQGGE 100 SDGCYHPEGQ 110 PQRLPPSPEV 120 RPQPARKVTL 130 TKGALPQPQH 140 PPVAAHVHSA 150 GPPAIKSIQG 160 IHPPKKVIMH 170 GRGRGMAGAM 180 GRGRLMPNKQ 190 NLRVVECKPQ 200 PCVVSVEGLS 210 SSTTDAQLKS 220 LLVSVGPIQS 230 LQMLPQQRKA 240 IAKFKEPAHA 250 LAFQQKFHRH 260 MIDLSHINVA LIVE

Gene Ontology

Classification GO ID Description
Cellular Component GO:0005737 cytoplasm
Cellular Component GO:0005634 nucleus
Molecular Function GO:0003723 RNA binding
Biological Process GO:0051028 mRNA transport

Reference

[1] Fan S, Zhou R, Wen H, Ye H, Ma S et al.. Global profiling of protein lactylome in porcine granulosa cells.. J Ovarian Res 18(1):177. 2025 Aug 8. PMID: 40781717.