20210801201808032018042520210801IID00204Serine/arginine-rich splicing factor 3Pre-mRNA-splicing factor SRP20Splicing factor, arginine/serine-rich 3Homo sapiens164P84103B4E241O08831P23152Q5R3K0Splicing factor that specifically promotes exon-inclusion during alternative splicing (PubMed:26876937). Interaction with YTHDC1, a RNA-binding protein that recognizes and binds N6-methyladenosine (m6A)-containing RNAs, promotes recruitment of SRSF3 to its mRNA-binding elements adjacent to m6A sites, leading to exon-inclusion during alternative splicing (PubMed:26876937). Also functions as export adapter involved in mRNA nuclear export such as of histone H2A (PubMed:11336712, PubMed:18364396). Binds mRNA which is thought to be transferred to the NXF1-NXT1 heterodimer for export (TAP/NXF1 pathway); enhances NXF1-NXT1 RNA-binding activity (PubMed:11336712, PubMed:18364396). RNA-binding is semi-sequence specific (PubMed:17036044).Cytoplasm.SL-0086unkownNucleus speckle.SL-0186reportedNucleus.SL-0191unkownN-acetylmethionine11Phosphoserine55N6-acetyllysine2323MHRDSCPLDCKVYVGNLGNNGNKTELERAFGYYGPLRSVWVARNPPGFAFVEFEDPRDAADAVRELDGRTLCGCRVRVELSNGEKRSRNRGPPPSWGRRPRDDYRRRSPPPRRRSPRRRSFSRSRSRSLSRDRRRERSLSRERNHKPSRSFSRSRSRSRSNERK12i2yA186order222i38A186order112i38NMR17036044Y.HARGOUS,G.M.HAUTBERGUE,A.M.TINTARU,L.SKRISOVSKA,A.P.GOLOVANOV,J.STEVENIN,L.Y.LIAN,S.A.WILSON,F.H.ALLAINMOLECULAR BASIS OF RNA RECOGNITION AND TAP BINDING BY THE SR PROTEINS SRP20 AND 9G8.2006EMBO J.255126nmr2i38A18698012i38_14748Monomer monomer2i38AP84103IID002042i38AP199092i38A-2i38A22i2yNMR17036044Y.HARGOUS,G.M.HAUTBERGUE,A.M.TINTARU,L.SKRISOVSKA,A.P.GOLOVANOV,J.STEVENIN,L.Y.LIAN,S.A.WILSON,F.H.ALLAINMOLECULAR BASIS OF RNA RECOGNITION AND TAP BINDING BY THE SR PROTEINS SRP20 AND 9G8.2006EMBO J.255126nmr2i2yA186100012i2y4745Monomer monomer2i2yAP84103IID002042i2yAP199092i2yA-2i2yA1-8586-164624PF0007612->772.4e-22RNA recognition motif. (a.k.a. RRM, RBD, or RNP domain)hmmpfm34521qm9A19->1121.1e-25hmmscp5822PF1183526->811e-05RRM-like domainrpspfm83712n3lA11->851e-24rpsscp