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Details on Person UniProt:P62306 SNRPF

Class:Id	ReferenceGeneProduct:71906
_chainChangeLog	initiator methionine:1 added on Fri February 6 2015;chain:2-86 added on Fri February 6 2015;initiator methionine:1 for 71906 removed on Fri Nov 03 2023;initiator methionine: for 71906 added on Fri Nov 03 2023;initiator methionine: for 71906 removed on Fri Aug 15 2025;initiator methionine:1 for 71906 added on Fri Aug 15 2025
_displayName	UniProt:P62306 SNRPF
_timestamp	2025-08-15 21:10:52
chain	initiator methionine:1 chain:2-86
checksum	416B88D575DAE58A
comment	FUNCTION Plays a role in pre-mRNA splicing as a core component of the spliceosomal U1, U2, U4 and U5 small nuclear ribonucleoproteins (snRNPs), the building blocks of the spliceosome (PubMed:11991638, PubMed:18984161, PubMed:19325628, PubMed:23333303, PubMed:25555158, PubMed:26912367, PubMed:28076346, PubMed:28502770, PubMed:28781166, PubMed:32494006). Component of both the pre-catalytic spliceosome B complex and activated spliceosome C complexes (PubMed:11991638, PubMed:28076346, PubMed:28502770, PubMed:28781166). As a component of the minor spliceosome, involved in the splicing of U12-type introns in pre-mRNAs (PubMed:15146077). As part of the U7 snRNP it is involved in histone 3'-end processing (PubMed:12975319).SUBUNIT Core component of the spliceosomal U1, U2, U4 and U5 small nuclear ribonucleoproteins (snRNPs), the building blocks of the spliceosome (PubMed:11991638, PubMed:19325628, PubMed:21516107, PubMed:25555158, PubMed:26912367, PubMed:28076346, PubMed:28502770, PubMed:28781166, PubMed:32494006, PubMed:36797247). Most spliceosomal snRNPs contain a common set of Sm proteins, SNRPB, SNRPD1, SNRPD2, SNRPD3, SNRPE, SNRPF and SNRPG that assemble in a heptameric protein ring on the Sm site of the small nuclear RNA to form the core snRNP (PubMed:19325628, PubMed:21516107, PubMed:25555158, PubMed:26912367, PubMed:28076346, PubMed:28502770, PubMed:28781166). Component of the U1 snRNP (PubMed:19325628, PubMed:25555158). The U1 snRNP is composed of the U1 snRNA and the 7 core Sm proteins SNRPB, SNRPD1, SNRPD2, SNRPD3, SNRPE, SNRPF and SNRPG, and at least three U1 snRNP-specific proteins SNRNP70/U1-70K, SNRPA/U1-A and SNRPC/U1-C (PubMed:19325628, PubMed:25555158). Component of the U4/U6-U5 tri-snRNP complex composed of the U4, U6 and U5 snRNAs and at least PRPF3, PRPF4, PRPF6, PRPF8, PRPF31, SNRNP200, TXNL4A, SNRNP40, SNRPB, SNRPD1, SNRPD2, SNRPD3, SNRPE, SNRPF, SNRPG, DDX23, CD2BP2, PPIH, SNU13, EFTUD2, SART1 and USP39, plus LSM2, LSM3, LSM4, LSM5, LSM6, LSM7 and LSM8 (PubMed:26912367). Component of the U7 snRNP complex, or U7 Sm protein core complex, that is composed of the U7 snRNA and at least LSM10, LSM11, SNRPB, SNRPD3, SNRPE, SNRPF and SNRPG; the complex does not contain SNRPD1 and SNRPD2 (PubMed:11574479). Component of the minor spliceosome, which splices U12-type introns (PubMed:15146077, PubMed:33509932). Part of the SMN-Sm complex that contains SMN1, GEMIN2/SIP1, DDX20/GEMIN3, GEMIN4, GEMIN5, GEMIN6, GEMIN7, GEMIN8, STRAP/UNRIP and the Sm proteins SNRPB, SNRPD1, SNRPD2, SNRPD3, SNRPE, SNRPF and SNRPG; catalyzes core snRNPs assembly (PubMed:16314521, PubMed:18984161). Forms a 6S pICln-Sm complex composed of CLNS1A/pICln, SNRPD1, SNRPD2, SNRPE, SNRPF and SNRPG; ring-like structure where CLNS1A/pICln mimics additional Sm proteins and which is unable to assemble into the core snRNP (PubMed:18984161, PubMed:23333303). Interacts with GEMIN2 (via N-terminus); the interaction is direct (PubMed:21816274, PubMed:31799625). Interacts with SNRPD2; the interaction is direct (PubMed:21816274, PubMed:31799625). Interacts with SNRPE; the interaction is direct (PubMed:21816274, PubMed:31799625).INTERACTION SMN-mediated assembly into core snRNPs occurs in the cytosol before SMN-mediated transport to the nucleus to be included in spliceosomes.SIMILARITY Belongs to the snRNP Sm proteins family. SmF/LSm6 subfamily.
description	recommendedName: Small nuclear ribonucleoprotein F shortName: snRNP-F alternativeName: Sm protein F shortName: Sm-F shortName: SmF
geneName	SNRPF PBSCF
identifier	P62306
isSequenceChanged	FALSE
keyword	3D-structure Acetylation Cytoplasm Direct protein sequencing mRNA processing mRNA splicing Nucleus Proteomics identification Reference proteome Ribonucleoprotein RNA-binding Spliceosome
modified	[InstanceEdit:9836292] Weiser, Joel, 2023-05-25 [InstanceEdit:9852000] Weiser, Joel, 2023-11-03 [InstanceEdit:9862192] Weiser, Joel, 2024-02-26 [InstanceEdit:9917590] Weiser, Joel, 2024-08-09 [InstanceEdit:9926675] Weiser, Joel, 2024-11-03 [InstanceEdit:9963647] Weiser, Joel, 2025-08-15
name	SNRPF
referenceDatabase	[ReferenceDatabase:2] UniProt
referenceGene	[ReferenceDNASequence:8989791] ENSEMBL:ENSG00000139343 SNRPF [Homo sapiens]
secondaryIdentifier	RUXF_HUMAN A2VCR2 B2R498 Q15356 Q6IBQ1 Q6P4I0
sequenceLength	86
species	[Species:48887] Homo sapiens
(referenceEntity)	[EntityWithAccessionedSequence:71907] SNRPF [nucleoplasm] [Homo sapiens] [EntityWithAccessionedSequence:191852] SNRPF [cytosol] [Homo sapiens]
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No pathways have been reviewed or authored by UniProt:P62306 SNRPF (71906)