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MitoProteome Human Mitochondrial Protein Database
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Related Proteins
MT000092
UniProt Annotations
Entry Information
Gene Name
basigin (Ok blood group)
Protein Entry
BASI_HUMAN
UniProt ID
P35613
Species
Human
Comments
Comment type
Description
Alternative Products
Event=Alternative promoter usage, Alternative splicing; Named isoforms=4; Name=1; Synonyms=Long, Basigin-2; IsoId=P35613-1; Sequence=Displayed; Name=2; Synonyms=Basigin-1; IsoId=P35613-2; Sequence=VSP_011501; Name=3; Synonyms=Basigin-3; IsoId=P35613-3; Sequence=VSP_043225; Note=Produced by alternative promoter usage. N-glycosylated.; Name=4; Synonyms=Basigin-4; IsoId=P35613-4; Sequence=VSP_043226, VSP_043227; Note=Produced by alternative promoter usage. N-glycosylated.;
Function
Plays an important role in targeting the monocarboxylate transporters SLC16A1, SLC16A3 and SLC16A8 to the plasma membrane. Plays pivotal roles in spermatogenesis, embryo implantation, neural network formation and tumor progression. Stimulates adjacent fibroblasts to produce matrix metalloproteinases (MMPS). Seems to be a receptor for oligomannosidic glycans. In vitro, promotes outgrowth of astrocytic processes. {ECO:0000269|PubMed:17127621}.
Induction
Enriched on the surface of tumor cells. Up-regulated in gliomas. Its expression levels correlate with malignant potential of the tumor.
Ptm
N-glycosylated. {ECO:0000269|PubMed:12754519, ECO:0000269|PubMed:19159218, ECO:0000269|PubMed:19349973}.
Similarity
Contains 1 Ig-like C2-type (immunoglobulin-like) domain. {ECO:0000305}.
Similarity
Contains 1 Ig-like V-type (immunoglobulin-like) domain. {ECO:0000305}.
Subcellular Location
Cell membrane {ECO:0000269|PubMed:15946952}; Single-pass type I membrane protein {ECO:0000303|PubMed:15946952}. Melanosome {ECO:0000269|PubMed:17081065}. Note=Colocalizes with SLC16A1 and SLC16A8. Identified by mass spectrometry in melanosome fractions from stage I to stage IV. {ECO:0000250|UniProtKB:P18572, ECO:0000269|PubMed:17081065}.
Subunit
Forms homooligomers in a cis-dependent manner on the plasma membrane. Forms heterooligomers of isoform 2 and isoform 3. Forms a complex with MMP1 at the tumor cell surface. Interacts with ATP1B2, MAG and L1CAM (By similarity). Interacts with AJAP1. Interacts with SLC16A1, SLC16A7 and SLC1A3; probably a BSG dimer is associated with a monocarboxylate transporter dimer. Interacts with PPIL2; regulates BSG transport to the cell membrane. {ECO:0000250|UniProtKB:P18572, ECO:0000250|UniProtKB:P26453, ECO:0000269|PubMed:15946952, ECO:0000269|PubMed:17127621, ECO:0000269|PubMed:17267690, ECO:0000269|PubMed:18430721, ECO:0000269|PubMed:19768682, ECO:0000269|PubMed:21536654}.
Tissue Specificity
Present only in vascular endothelium in non- neoplastic regions of the brain, whereas it is present in tumor cells but not in proliferating blood vessels in malignant gliomas.
Web Resource
Name=dbRBC/BGMUT; Note=Blood group antigen gene mutation database; URL="http://www.ncbi.nlm.nih.gov/gv/mhc/xslcgi.cgi?cmd=bgmut/systems_info&system=ok";
Web Resource
Name=SeattleSNPs; URL="http://pga.gs.washington.edu/data/bsg/";
MitoProteome Human Mitochondrial Protein Database
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