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Gene: SF3A1 (splicing factor 3a subunit 1) Homo sapiens
Symbol: SF3A1
Name: splicing factor 3a subunit 1
Description: Exhibits RNA binding activity. Involved in U2-type prespliceosome assembly. Localizes to nucleus.
Type: protein-coding
RefSeq Status: REVIEWED
Also known as: pre-mRNA processing 21; pre-mRNA splicing factor SF3a (120 kDa subunit); PRP21; PRPF21; SAP 114; SAP114; SF3A120; spliceosome associated protein 114; spliceosome-associated protein 114; splicing factor 3 subunit 1; splicing factor 3a, subunit 1, 120kD; splicing factor 3a, subunit 1, 120kDa
Mus musculus (house mouse) : Sf3a1 (splicing factor 3a, subunit 1)  MGI  Alliance
Rattus norvegicus (Norway rat) : Sf3a1 (splicing factor 3a, subunit 1)  Alliance
Chinchilla lanigera (long-tailed chinchilla) : Sf3a1 (splicing factor 3a subunit 1)
Pan paniscus (bonobo/pygmy chimpanzee) : SF3A1 (splicing factor 3a subunit 1)
Canis lupus familiaris (dog) : SF3A1 (splicing factor 3a subunit 1)
Ictidomys tridecemlineatus (thirteen-lined ground squirrel) : Sf3a1 (splicing factor 3a subunit 1)
Sus scrofa (pig) : SF3A1 (splicing factor 3a subunit 1)
Chlorocebus sabaeus (African green monkey) : SF3A1 (splicing factor 3a subunit 1)
Heterocephalus glaber (naked mole-rat) : Sf3a1 (splicing factor 3a subunit 1)
more info ...
Allele / Splice: See ClinVar data
Latest Assembly: GRCh38 - Human Genome Assembly GRCh38
Human AssemblyChrPosition (strand)SourceGenome Browsers
GRCh38.p13 Ensembl2230,331,988 - 30,356,919 (-)EnsemblGRCh38hg38GRCh38
GRCh382230,331,988 - 30,356,894 (-)NCBIGRCh38GRCh38hg38GRCh38
GRCh372230,727,977 - 30,752,931 (-)NCBIGRCh37GRCh37hg19GRCh37
Build 362229,057,977 - 29,082,913 (-)NCBINCBI36hg18NCBI36
Build 342229,052,532 - 29,077,467NCBI
Celera2214,527,665 - 14,552,601 (-)NCBI
Cytogenetic Map22q12.2NCBI
HuRef2213,689,762 - 13,714,601 (-)NCBIHuRef
CHM1_12230,687,097 - 30,712,056 (-)NCBICHM1_1
JBrowse: View Region in Genome Browser (JBrowse)

Gene-Chemical Interaction Annotations
Gene Ontology Annotations
Molecular Pathway Annotations
References - curated
References - uncurated


Comparative Map Data
Position Markers
miRNA Target Status


RNA-SEQ Expression


Nucleotide Sequences
Protein Sequences
Clinical Variants

Additional Information

External Database Links
Nomenclature History
More on SF3A1
Alliance Gene
Ensembl Gene
JBrowse: hg19 hg38
HGNC Report
NCBI Genome Data Viewer

CRRD Object Information
CRRD ID: 1322957
Created: 2005-01-12
Species: Homo sapiens
Last Modified: 2020-07-07
Status: ACTIVE


RGD is funded by grant HL64541 from the National Heart, Lung, and Blood Institute on behalf of the NIH.