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Protein

HLA class I histocompatibility antigen, B-47 alpha chain

Gene

HLA-B

Organism
Homo sapiens (Human)
Status
Reviewed-Annotation score: Annotation score: 5 out of 5-Experimental evidence at protein leveli

Functioni

Involved in the presentation of foreign antigens to the immune system.

GO - Molecular functioni

GO - Biological processi

Complete GO annotation...

Keywords - Biological processi

Host-virus interaction, Immunity

Enzyme and pathway databases

ReactomeiR-HSA-1236974. ER-Phagosome pathway.
R-HSA-1236977. Endosomal/Vacuolar pathway.
R-HSA-198933. Immunoregulatory interactions between a Lymphoid and a non-Lymphoid cell.
R-HSA-877300. Interferon gamma signaling.
R-HSA-909733. Interferon alpha/beta signaling.
R-HSA-983170. Antigen Presentation: Folding, assembly and peptide loading of class I MHC.

Names & Taxonomyi

Protein namesi
Recommended name:
HLA class I histocompatibility antigen, B-47 alpha chain
Alternative name(s):
Bw-47
MHC class I antigen B*47
Gene namesi
Name:HLA-B
Synonyms:HLAB
OrganismiHomo sapiens (Human)
Taxonomic identifieri9606 [NCBI]
Taxonomic lineageiEukaryotaMetazoaChordataCraniataVertebrataEuteleostomiMammaliaEutheriaEuarchontogliresPrimatesHaplorrhiniCatarrhiniHominidaeHomo
Proteomesi
  • UP000005640 Componenti: Chromosome 6

Organism-specific databases

HGNCiHGNC:4932. HLA-B.

Subcellular locationi

Topology

Feature keyPosition(s)LengthDescriptionGraphical viewFeature identifierActions
Topological domaini25 – 309285ExtracellularSequence analysisAdd
BLAST
Transmembranei310 – 33324HelicalSequence analysisAdd
BLAST
Topological domaini334 – 36229CytoplasmicSequence analysisAdd
BLAST

GO - Cellular componenti

Complete GO annotation...

Keywords - Cellular componenti

Membrane, MHC I

Pathology & Biotechi

Organism-specific databases

MalaCardsiHLA-B.

Polymorphism and mutation databases

DMDMi231408.

PTM / Processingi

Molecule processing

Feature keyPosition(s)LengthDescriptionGraphical viewFeature identifierActions
Signal peptidei1 – 2424Add
BLAST
Chaini25 – 362338HLA class I histocompatibility antigen, B-47 alpha chainPRO_0000018850Add
BLAST

Amino acid modifications

Feature keyPosition(s)LengthDescriptionGraphical viewFeature identifierActions
Glycosylationi110 – 1101N-linked (GlcNAc...)By similarity
Disulfide bondi125 ↔ 188PROSITE-ProRule annotation
Disulfide bondi227 ↔ 283PROSITE-ProRule annotation

Post-translational modificationi

Polyubiquitinated in a post ER compartment by interaction with human herpesvirus 8 MIR1 protein. This targets the protein for rapid degradation via the ubiquitin system (By similarity).By similarity

Keywords - PTMi

Disulfide bond, Glycoprotein, Ubl conjugation

Proteomic databases

PeptideAtlasiP30485.
PRIDEiP30485.

PTM databases

SwissPalmiP30485.

Expressioni

Gene expression databases

BgeeiENSG00000224608.
CleanExiHS_HLA-B.

Interactioni

Subunit structurei

Heterodimer of an alpha chain and a beta chain (beta-2-microglobulin). Interacts with human herpesvirus 8 MIR1 protein (By similarity).By similarity

Structurei

3D structure databases

ProteinModelPortaliP30485.
SMRiP30485. Positions 25-300.
ModBaseiSearch...
MobiDBiSearch...

Family & Domainsi

Domains and Repeats

Feature keyPosition(s)LengthDescriptionGraphical viewFeature identifierActions
Domaini209 – 29587Ig-like C1-typeAdd
BLAST

Region

Feature keyPosition(s)LengthDescriptionGraphical viewFeature identifierActions
Regioni25 – 11490Alpha-1Add
BLAST
Regioni115 – 20692Alpha-2Add
BLAST
Regioni207 – 29892Alpha-3Add
BLAST
Regioni299 – 30911Connecting peptideAdd
BLAST

Sequence similaritiesi

Belongs to the MHC class I family.Curated

Keywords - Domaini

Signal, Transmembrane, Transmembrane helix

Phylogenomic databases

HOVERGENiHBG016709.
OrthoDBiEOG091G09OH.

Family and domain databases

Gene3Di2.60.40.10. 1 hit.
3.30.500.10. 1 hit.
InterProiIPR007110. Ig-like_dom.
IPR013783. Ig-like_fold.
IPR003006. Ig/MHC_CS.
IPR003597. Ig_C1-set.
IPR011161. MHC_I-like_Ag-recog.
IPR011162. MHC_I/II-like_Ag-recog.
IPR001039. MHC_I_a_a1/a2.
IPR010579. MHC_I_a_C.
[Graphical view]
PfamiPF07654. C1-set. 1 hit.
PF00129. MHC_I. 1 hit.
PF06623. MHC_I_C. 1 hit.
[Graphical view]
PRINTSiPR01638. MHCCLASSI.
SMARTiSM00407. IGc1. 1 hit.
[Graphical view]
SUPFAMiSSF48726. SSF48726. 1 hit.
SSF54452. SSF54452. 1 hit.
PROSITEiPS50835. IG_LIKE. 1 hit.
PS00290. IG_MHC. 1 hit.
[Graphical view]

Sequencei

Sequence statusi: Complete.

Sequence processingi: The displayed sequence is further processed into a mature form.

P30485-1 [UniParc]FASTAAdd to basket

« Hide

        10         20         30         40         50
MRVTAPRTLL LLLWGAVALT ETWAGSHSMR YFYTAMSRPG RGEPRFITVG
60 70 80 90 100
YVDDTLFVRF DSDATSPRKE PRAPWIEQEG PEYWDRETQI SKTNTQTYRE
110 120 130 140 150
DLRTLLRYYN QSEAGSHTLQ RMFGCDVGPD GRLLRGYHQD AYDGKDYIAL
160 170 180 190 200
NEDLSSWTAA DTAAQITQRK WEAARVAEQL RAYLEGECVE WLRRYLENGK
210 220 230 240 250
ETLQRADPPK THVTHHPISD HEATLRCWAL GFYPAEITLT WQRDGEDQTQ
260 270 280 290 300
DTELVETRPA GDRTFQKWAA VVVPSGEEQR YTCHVQHEGL PKPLTLRWEP
310 320 330 340 350
SSQSTVPIVG IVAGLAVLAV VVIGAVVAAV VCRRKSSGGK GGSYSQAACS
360
DSAQGSDVSL TA
Length:362
Mass (Da):40,571
Last modified:April 1, 1993 - v1
Checksum:iE3D3E4CBF8C15EAE
GO

Polymorphismi

The following alleles of B-47 are known: B*47:01, B*47:02 and B*47:03. The sequence shown is that of B*47:01.

Natural variant

Feature keyPosition(s)LengthDescriptionGraphical viewFeature identifierActions
Natural varianti101 – 1011D → S in allele B*47:02 and allele B*47:03; requires 2 nucleotide substitutions.
VAR_016474
Natural varianti104 – 1041T → N in allele B*47:02 and allele B*47:03.
VAR_016475
Natural varianti106 – 1072LR → RG in allele B*47:02.
VAR_016476
Natural varianti306 – 3061V → I.
Corresponds to variant rs1131500 [ dbSNP | Ensembl ].
VAR_056389
Natural varianti329 – 3291A → T.
Corresponds to variant rs1051488 [ dbSNP | Ensembl ].
VAR_056390
Natural varianti349 – 3491C → S.
Corresponds to variant rs2308655 [ dbSNP | Ensembl ].
VAR_061424
Natural varianti349 – 3491C → Y.
Corresponds to variant rs2308655 [ dbSNP | Ensembl ].
VAR_061425

Sequence databases

Select the link destinations:
EMBLi
GenBanki
DDBJi
Links Updated
M19756 Genomic DNA. Translation: AAA52664.1.
AJ308398 Genomic DNA. Translation: CAC33087.2.
AJ295141 Genomic DNA. Translation: CAC17463.2.
Y09118 mRNA. Translation: CAA70335.1.
AH005564 Genomic DNA. Translation: AAB70513.1.
AH006183 Genomic DNA. Translation: AAC23752.1.
PIRiI68724.
UniGeneiHs.654404.
Hs.77961.

Genome annotation databases

EnsembliENST00000435618; ENSP00000405178; ENSG00000224608.

Keywords - Coding sequence diversityi

Polymorphism

Cross-referencesi

Sequence databases

Select the link destinations:
EMBLi
GenBanki
DDBJi
Links Updated
M19756 Genomic DNA. Translation: AAA52664.1.
AJ308398 Genomic DNA. Translation: CAC33087.2.
AJ295141 Genomic DNA. Translation: CAC17463.2.
Y09118 mRNA. Translation: CAA70335.1.
AH005564 Genomic DNA. Translation: AAB70513.1.
AH006183 Genomic DNA. Translation: AAC23752.1.
PIRiI68724.
UniGeneiHs.654404.
Hs.77961.

3D structure databases

ProteinModelPortaliP30485.
SMRiP30485. Positions 25-300.
ModBaseiSearch...
MobiDBiSearch...

PTM databases

SwissPalmiP30485.

Polymorphism and mutation databases

DMDMi231408.

Proteomic databases

PeptideAtlasiP30485.
PRIDEiP30485.

Protocols and materials databases

Structural Biology KnowledgebaseSearch...

Genome annotation databases

EnsembliENST00000435618; ENSP00000405178; ENSG00000224608.

Organism-specific databases

GeneCardsiHLA-B.
HGNCiHGNC:4932. HLA-B.
MalaCardsiHLA-B.
MIMi142830. gene.
neXtProtiNX_P30485.
GenAtlasiSearch...

Phylogenomic databases

HOVERGENiHBG016709.
OrthoDBiEOG091G09OH.

Enzyme and pathway databases

ReactomeiR-HSA-1236974. ER-Phagosome pathway.
R-HSA-1236977. Endosomal/Vacuolar pathway.
R-HSA-198933. Immunoregulatory interactions between a Lymphoid and a non-Lymphoid cell.
R-HSA-877300. Interferon gamma signaling.
R-HSA-909733. Interferon alpha/beta signaling.
R-HSA-983170. Antigen Presentation: Folding, assembly and peptide loading of class I MHC.

Miscellaneous databases

ChiTaRSiHLA-B. human.
SOURCEiSearch...

Gene expression databases

BgeeiENSG00000224608.
CleanExiHS_HLA-B.

Family and domain databases

Gene3Di2.60.40.10. 1 hit.
3.30.500.10. 1 hit.
InterProiIPR007110. Ig-like_dom.
IPR013783. Ig-like_fold.
IPR003006. Ig/MHC_CS.
IPR003597. Ig_C1-set.
IPR011161. MHC_I-like_Ag-recog.
IPR011162. MHC_I/II-like_Ag-recog.
IPR001039. MHC_I_a_a1/a2.
IPR010579. MHC_I_a_C.
[Graphical view]
PfamiPF07654. C1-set. 1 hit.
PF00129. MHC_I. 1 hit.
PF06623. MHC_I_C. 1 hit.
[Graphical view]
PRINTSiPR01638. MHCCLASSI.
SMARTiSM00407. IGc1. 1 hit.
[Graphical view]
SUPFAMiSSF48726. SSF48726. 1 hit.
SSF54452. SSF54452. 1 hit.
PROSITEiPS50835. IG_LIKE. 1 hit.
PS00290. IG_MHC. 1 hit.
[Graphical view]
ProtoNetiSearch...

Entry informationi

Entry namei1B47_HUMAN
AccessioniPrimary (citable) accession number: P30485
Secondary accession number(s): O19555
, O77933, Q95392, Q9GIL3
Entry historyi
Integrated into UniProtKB/Swiss-Prot: April 1, 1993
Last sequence update: April 1, 1993
Last modified: September 7, 2016
This is version 128 of the entry and version 1 of the sequence. [Complete history]
Entry statusiReviewed (UniProtKB/Swiss-Prot)
Annotation programChordata Protein Annotation Program
DisclaimerAny medical or genetic information present in this entry is provided for research, educational and informational purposes only. It is not in any way intended to be used as a substitute for professional medical advice, diagnosis, treatment or care.

Miscellaneousi

Keywords - Technical termi

Complete proteome, Reference proteome

Documents

  1. Human chromosome 6
    Human chromosome 6: entries, gene names and cross-references to MIM
  2. Human entries with polymorphisms or disease mutations
    List of human entries with polymorphisms or disease mutations
  3. Human polymorphisms and disease mutations
    Index of human polymorphisms and disease mutations
  4. MIM cross-references
    Online Mendelian Inheritance in Man (MIM) cross-references in UniProtKB/Swiss-Prot
  5. SIMILARITY comments
    Index of protein domains and families

Similar proteinsi

Links to similar proteins from the UniProt Reference Clusters (UniRef) at 100%, 90% and 50% sequence identity:
100%UniRef100 combines identical sequences and sub-fragments with 11 or more residues from any organism into one UniRef entry.
90%UniRef90 is built by clustering UniRef100 sequences that have at least 90% sequence identity to, and 80% overlap with, the longest sequence (a.k.a seed sequence).
50%UniRef50 is built by clustering UniRef90 seed sequences that have at least 50% sequence identity to, and 80% overlap with, the longest sequence in the cluster.