Skip Header

You are using a version of browser that may not display all the features of this website. Please consider upgrading your browser.
Protein

HLA class I histocompatibility antigen, Cw-5 alpha chain

Gene

HLA-C

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

Keywordsi

Biological processHost-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, Cw-5 alpha chain
Alternative name(s):
MHC class I antigen Cw*5
Gene namesi
Name:HLA-C
Synonyms:HLAC
OrganismiHomo sapiens (Human)
Taxonomic identifieri9606 [NCBI]
Taxonomic lineageiEukaryotaMetazoaChordataCraniataVertebrataEuteleostomiMammaliaEutheriaEuarchontogliresPrimatesHaplorrhiniCatarrhiniHominidaeHomo
Proteomesi
  • UP000005640 Componenti: Chromosome 6

Organism-specific databases

HGNCiHGNC:4933. HLA-C.

Subcellular locationi

Extracellular region or secreted Cytosol Plasma membrane Cytoskeleton Lysosome Endosome Peroxisome ER Golgi apparatus Nucleus Mitochondrion Manual annotation Automatic computational assertionGraphics by Christian Stolte; Source: COMPARTMENTS

Topology

Feature keyPosition(s)DescriptionActionsGraphical viewLength
Topological domaini25 – 308ExtracellularSequence analysisAdd BLAST284
Transmembranei309 – 333HelicalSequence analysisAdd BLAST25
Topological domaini334 – 366CytoplasmicSequence analysisAdd BLAST33

Keywords - Cellular componenti

Membrane, MHC I

Pathology & Biotechi

Organism-specific databases

DisGeNETi3107.
MalaCardsiHLA-C.

Polymorphism and mutation databases

DMDMi34305707.

PTM / Processingi

Molecule processing

Feature keyPosition(s)DescriptionActionsGraphical viewLength
Signal peptidei1 – 24Add BLAST24
ChainiPRO_000001887225 – 366HLA class I histocompatibility antigen, Cw-5 alpha chainAdd BLAST342

Amino acid modifications

Feature keyPosition(s)DescriptionActionsGraphical viewLength
Glycosylationi110N-linked (GlcNAc...) asparagineBy similarity1
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

EPDiQ9TNN7.
MaxQBiQ9TNN7.
PeptideAtlasiQ9TNN7.
PRIDEiQ9TNN7.

PTM databases

iPTMnetiQ9TNN7.
SwissPalmiQ9TNN7.

Expressioni

Gene expression databases

CleanExiHS_HLA-C.

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

Binary interactionsi

WithEntry#Exp.IntActNotes
KIR2DL1P436263EBI-13916949,EBI-8684277

Protein-protein interaction databases

IntActiQ9TNN7. 4 interactors.

Structurei

3D structure databases

Select the link destinations:
PDBei
RCSB PDBi
PDBji
Links Updated
PDB entryMethodResolution (Å)ChainPositionsPDBsum
5VGDX-ray2.32A26-302[»]
ProteinModelPortaliQ9TNN7.
SMRiQ9TNN7.
ModBaseiSearch...
MobiDBiSearch...

Family & Domainsi

Domains and Repeats

Feature keyPosition(s)DescriptionActionsGraphical viewLength
Domaini209 – 297Ig-like C1-typeAdd BLAST89

Region

Feature keyPosition(s)DescriptionActionsGraphical viewLength
Regioni25 – 114Alpha-1Add BLAST90
Regioni115 – 206Alpha-2Add BLAST92
Regioni207 – 298Alpha-3Add BLAST92
Regioni299 – 308Connecting peptide10

Sequence similaritiesi

Belongs to the MHC class I family.Curated

Keywords - Domaini

Signal, Transmembrane, Transmembrane helix

Phylogenomic databases

HOVERGENiHBG016709.

Family and domain databases

Gene3Di2.60.40.10. 1 hit.
3.30.500.10. 1 hit.
InterProiView protein in InterPro
IPR007110. 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.
PfamiView protein in Pfam
PF07654. C1-set. 1 hit.
PF00129. MHC_I. 1 hit.
PF06623. MHC_I_C. 1 hit.
PRINTSiPR01638. MHCCLASSI.
SMARTiView protein in SMART
SM00407. IGc1. 1 hit.
SUPFAMiSSF48726. SSF48726. 1 hit.
SSF54452. SSF54452. 1 hit.
PROSITEiView protein in PROSITE
PS50835. IG_LIKE. 1 hit.
PS00290. IG_MHC. 1 hit.

Sequencei

Sequence statusi: Complete.

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

Q9TNN7-1 [UniParc]FASTAAdd to basket

« Hide

        10         20         30         40         50
MRVMAPRTLI LLLSGALALT ETWACSHSMR YFYTAVSRPG RGEPRFIAVG
60 70 80 90 100
YVDDTQFVQF DSDAASPRGE PRAPWVEQEG PEYWDRETQK YKRQAQTDRV
110 120 130 140 150
NLRKLRGYYN QSEAGSHTLQ RMYGCDLGPD GRLLRGYNQF AYDGKDYIAL
160 170 180 190 200
NEDLRSWTAA DKAAQITQRK WEAAREAEQR RAYLEGTCVE WLRRYLENGK
210 220 230 240 250
KTLQRAEHPK THVTHHPVSD HEATLRCWAL GFYPAEITLT WQRDGEDQTQ
260 270 280 290 300
DTELVETRPA GDGTFQKWAA VVVPSGEEQR YTCHVQHEGL PEPLTLRWGP
310 320 330 340 350
SSQPTIPIVG IVAGLAVLAV LAVLGAVMAV VMCRRKSSGG KGGSCSQAAS
360
SNSAQGSDES LIACKA
Length:366
Mass (Da):40,912
Last modified:May 1, 2000 - v1
Checksum:i26454A7EE68151DA
GO

Polymorphismi

The following alleles of Cw-5 are known: Cw*05:01 Cw*0502, Cw*05:03 and Cw*05:04. The sequence shown is that of Cw*05:01.

Natural variant

Feature keyPosition(s)DescriptionActionsGraphical viewLength
Natural variantiVAR_05647073A → E. Corresponds to variant dbSNP:rs1050409Ensembl.1
Natural variantiVAR_05647176V → M. Corresponds to variant dbSNP:rs1065382Ensembl.1
Natural variantiVAR_05647290K → N. Corresponds to variant dbSNP:rs28626310Ensembl.1
Natural variantiVAR_016580138N → D in allele Cw*05:04. Corresponds to variant dbSNP:rs2308575Ensembl.1
Natural variantiVAR_016581140F → S in allele Cw*05:04. Corresponds to variant dbSNP:rs713032Ensembl.1
Natural variantiVAR_016582201K → E in allele Cw*0502. Corresponds to variant dbSNP:rs1131103Ensembl.1
Natural variantiVAR_016583207 – 208EH → DP in allele Cw*05:03. 2
Natural variantiVAR_016584218V → I in allele Cw*05:03. Corresponds to variant dbSNP:rs1050716Ensembl.1
Natural variantiVAR_016585223A → V in allele Cw*05:03. Corresponds to variant dbSNP:rs41545014Ensembl.1
Natural variantiVAR_056473272V → MCombined sourcesCorresponds to variant dbSNP:rs1050276Ensembl.1

Sequence databases

Select the link destinations:
EMBLi
GenBanki
DDBJi
Links Updated
AJ010748 mRNA. Translation: CAA09340.1.
U57028 mRNA. Translation: AAD11469.1.
D64148 mRNA. Translation: BAA19534.1.
AH005907 Genomic DNA. Translation: AAC05205.2.
AF168611 mRNA. Translation: AAD50823.1.
AH008115 Genomic DNA. Translation: AAD51331.1.
PIRiA59028.
UniGeneiHs.654404.
Hs.656020.
Hs.726974.
Hs.743218.
Hs.77961.

Genome annotation databases

EnsembliENST00000400341; ENSP00000383195; ENSG00000206435.
ENST00000400394; ENSP00000383244; ENSG00000206452.
UCSCiuc063yse.1. human.

Keywords - Coding sequence diversityi

Polymorphism

Similar proteinsi

Entry informationi

Entry namei1C05_HUMAN
AccessioniPrimary (citable) accession number: Q9TNN7
Secondary accession number(s): O02866
, O62888, Q9TPV8, Q9TPX2
Entry historyiIntegrated into UniProtKB/Swiss-Prot: August 22, 2003
Last sequence update: May 1, 2000
Last modified: August 30, 2017
This is version 129 of the entry and version 1 of the sequence. See 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

3D-structure, 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. PDB cross-references
    Index of Protein Data Bank (PDB) cross-references
  6. SIMILARITY comments
    Index of protein domains and families