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P26715

- NKG2A_HUMAN

UniProt

P26715 - NKG2A_HUMAN

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Protein
NKG2-A/NKG2-B type II integral membrane protein
Gene
KLRC1, NKG2A
Organism
Homo sapiens (Human)
Status
Reviewed - Annotation score: 5 out of 5 - Experimental evidence at protein leveli

Functioni

Plays a role as a receptor for the recognition of MHC class I HLA-E molecules by NK cells and some cytotoxic T-cells.

GO - Molecular functioni

  1. carbohydrate binding Source: InterPro
  2. transmembrane signaling receptor activity Source: ProtInc
Complete GO annotation...

GO - Biological processi

  1. cell surface receptor signaling pathway Source: ProtInc
  2. regulation of immune response Source: Reactome
Complete GO annotation...

Keywords - Molecular functioni

Receptor

Keywords - Ligandi

Lectin

Enzyme and pathway databases

ReactomeiREACT_11152. Immunoregulatory interactions between a Lymphoid and a non-Lymphoid cell.

Names & Taxonomyi

Protein namesi
Recommended name:
NKG2-A/NKG2-B type II integral membrane protein
Alternative name(s):
CD159 antigen-like family member A
NK cell receptor A
NKG2-A/B-activating NK receptor
CD_antigen: CD159a
Gene namesi
Name:KLRC1
Synonyms:NKG2A
OrganismiHomo sapiens (Human)
Taxonomic identifieri9606 [NCBI]
Taxonomic lineageiEukaryotaMetazoaChordataCraniataVertebrataEuteleostomiMammaliaEutheriaEuarchontogliresPrimatesHaplorrhiniCatarrhiniHominidaeHomo
ProteomesiUP000005640: Chromosome 12

Organism-specific databases

HGNCiHGNC:6374. KLRC1.

Subcellular locationi

Topology

Feature keyPosition(s)LengthDescriptionGraphical viewFeature identifierActions
Topological domaini1 – 7070Cytoplasmic Reviewed prediction
Add
BLAST
Transmembranei71 – 9323Helical; Signal-anchor for type II membrane protein; Reviewed prediction
Add
BLAST
Topological domaini94 – 233140Extracellular Reviewed prediction
Add
BLAST

GO - Cellular componenti

  1. integral component of plasma membrane Source: ProtInc
  2. plasma membrane Source: Reactome
Complete GO annotation...

Keywords - Cellular componenti

Membrane

Pathology & Biotechi

Organism-specific databases

PharmGKBiPA30163.

PTM / Processingi

Molecule processing

Feature keyPosition(s)LengthDescriptionGraphical viewFeature identifierActions
Chaini1 – 233233NKG2-A/NKG2-B type II integral membrane protein
PRO_0000046659Add
BLAST

Amino acid modifications

Feature keyPosition(s)LengthDescriptionGraphical viewFeature identifierActions
Glycosylationi102 – 1021N-linked (GlcNAc...) Reviewed prediction
Glycosylationi103 – 1031N-linked (GlcNAc...) Reviewed prediction
Disulfide bondi116 – 116Interchain (with C-59 in KLRD1)3 Publications
Disulfide bondi119 ↔ 1303 Publications
Disulfide bondi147 ↔ 2293 Publications
Glycosylationi151 – 1511N-linked (GlcNAc...) Reviewed prediction
Glycosylationi180 – 1801N-linked (GlcNAc...) Reviewed prediction
Disulfide bondi208 ↔ 2213 Publications

Keywords - PTMi

Disulfide bond, Glycoprotein

Proteomic databases

PaxDbiP26715.
PRIDEiP26715.

PTM databases

PhosphoSiteiP26715.

Expressioni

Tissue specificityi

Natural killer cells.

Gene expression databases

ArrayExpressiP26715.
BgeeiP26715.
CleanExiHS_KLRC1.
GenevestigatoriP26715.

Interactioni

Subunit structurei

Can form disulfide-bonded heterodimer with CD94.3 Publications

Protein-protein interaction databases

BioGridi110020. 1 interaction.
STRINGi9606.ENSP00000352064.

Structurei

Secondary structure

Legend: HelixTurnBeta strand
Show more details
Feature keyPosition(s)LengthDescriptionGraphical viewFeature identifierActions
Beta strandi117 – 1193
Beta strandi124 – 13815
Helixi140 – 14910
Beta strandi152 – 1543
Helixi160 – 16910
Beta strandi171 – 1788
Beta strandi191 – 1933
Beta strandi208 – 21912
Beta strandi225 – 2306

3D structure databases

Select the link destinations:
PDBe
RCSB PDB
PDBj
Links Updated
EntryMethodResolution (Å)ChainPositionsPDBsum
2RMXNMR-B1-15[»]
2YU7NMR-B33-47[»]
3BDWX-ray2.50B/D113-232[»]
3CDGX-ray3.40F/K113-232[»]
3CIIX-ray4.41H/J113-232[»]
ProteinModelPortaliP26715.
SMRiP26715. Positions 113-232.

Miscellaneous databases

EvolutionaryTraceiP26715.

Family & Domainsi

Domains and Repeats

Feature keyPosition(s)LengthDescriptionGraphical viewFeature identifierActions
Domaini118 – 231114C-type lectin
Add
BLAST

Sequence similaritiesi

Keywords - Domaini

Signal-anchor, Transmembrane, Transmembrane helix

Phylogenomic databases

eggNOGiNOG146673.
HOGENOMiHOG000220925.
HOVERGENiHBG077044.
InParanoidiP26715.
KOiK06541.
OMAiTEQEIIY.
PhylomeDBiP26715.
TreeFamiTF336674.

Family and domain databases

Gene3Di3.10.100.10. 1 hit.
InterProiIPR001304. C-type_lectin.
IPR016186. C-type_lectin-like.
IPR016187. C-type_lectin_fold.
[Graphical view]
PfamiPF00059. Lectin_C. 1 hit.
[Graphical view]
SMARTiSM00034. CLECT. 1 hit.
[Graphical view]
SUPFAMiSSF56436. SSF56436. 1 hit.
PROSITEiPS50041. C_TYPE_LECTIN_2. 1 hit.
[Graphical view]

Sequences (2)i

Sequence statusi: Complete.

This entry describes 2 isoformsi produced by alternative splicing. Align

Isoform NKG2-A (identifier: P26715-1) [UniParc]FASTAAdd to Basket

This isoform has been chosen as the 'canonical' sequence. All positional information in this entry refers to it. This is also the sequence that appears in the downloadable versions of the entry.

« Hide

MDNQGVIYSD LNLPPNPKRQ QRKPKGNKNS ILATEQEITY AELNLQKASQ    50
DFQGNDKTYH CKDLPSAPEK LIVGILGIIC LILMASVVTI VVIPSTLIQR 100
HNNSSLNTRT QKARHCGHCP EEWITYSNSC YYIGKERRTW EESLLACTSK 150
NSSLLSIDNE EEMKFLSIIS PSSWIGVFRN SSHHPWVTMN GLAFKHEIKD 200
SDNAELNCAV LQVNRLKSAQ CGSSIIYHCK HKL 233
Length:233
Mass (Da):26,314
Last modified:January 11, 2011 - v2
Checksum:i93879A5C8D110C62
GO
Isoform NKG2-B (identifier: P26715-2) [UniParc]FASTAAdd to Basket

The sequence of this isoform differs from the canonical sequence as follows:
     96-113: Missing.

Show »
Length:215
Mass (Da):24,250
Checksum:iFEEE7322C85B2EAE
GO

Natural variant

Feature keyPosition(s)LengthDescriptionGraphical viewFeature identifierActions
Natural varianti29 – 291N → S.5 Publications
Corresponds to variant rs2253849 [ dbSNP | Ensembl ].
VAR_050120

Alternative sequence

Feature keyPosition(s)LengthDescriptionGraphical viewFeature identifierActions
Alternative sequencei96 – 11318Missing in isoform NKG2-B.
VSP_003062Add
BLAST

Sequence databases

Select the link destinations:
EMBL
GenBank
DDBJ
Links Updated
X54867 mRNA. Translation: CAA38649.1.
X54868 mRNA. Translation: CAA38650.1.
U54786
, U54783, U54784, U54785 Genomic DNA. Translation: AAB17133.1.
AF023840 Genomic DNA. Translation: AAC17488.1.
AF461812 mRNA. Translation: AAL65234.1.
AC068775 Genomic DNA. No translation available.
BC012550 mRNA. Translation: AAH12550.1.
BC053840 mRNA. Translation: AAH53840.1.
CCDSiCCDS8625.1. [P26715-1]
CCDS8626.1. [P26715-2]
PIRiPT0372.
RefSeqiNP_002250.1. NM_002259.4.
NP_015567.1. NM_007328.3.
NP_998822.1. NM_213657.2.
NP_998823.1. NM_213658.2.
UniGeneiHs.512576.

Genome annotation databases

EnsembliENST00000347831; ENSP00000256965; ENSG00000134545. [P26715-2]
ENST00000359151; ENSP00000352064; ENSG00000134545. [P26715-1]
ENST00000408006; ENSP00000385304; ENSG00000134545. [P26715-2]
ENST00000544822; ENSP00000438038; ENSG00000134545. [P26715-1]
GeneIDi3821.
KEGGihsa:3821.
UCSCiuc001qyl.3. human. [P26715-1]
uc001qym.3. human. [P26715-2]

Polymorphism databases

DMDMi317373399.

Keywords - Coding sequence diversityi

Alternative splicing, Polymorphism

Cross-referencesi

Web resourcesi

Functional Glycomics Gateway - Glycan Binding

NKG-2A

Sequence databases

Select the link destinations:
EMBL
GenBank
DDBJ
Links Updated
X54867 mRNA. Translation: CAA38649.1 .
X54868 mRNA. Translation: CAA38650.1 .
U54786
, U54783 , U54784 , U54785 Genomic DNA. Translation: AAB17133.1 .
AF023840 Genomic DNA. Translation: AAC17488.1 .
AF461812 mRNA. Translation: AAL65234.1 .
AC068775 Genomic DNA. No translation available.
BC012550 mRNA. Translation: AAH12550.1 .
BC053840 mRNA. Translation: AAH53840.1 .
CCDSi CCDS8625.1. [P26715-1 ]
CCDS8626.1. [P26715-2 ]
PIRi PT0372.
RefSeqi NP_002250.1. NM_002259.4.
NP_015567.1. NM_007328.3.
NP_998822.1. NM_213657.2.
NP_998823.1. NM_213658.2.
UniGenei Hs.512576.

3D structure databases

Select the link destinations:
PDBe
RCSB PDB
PDBj
Links Updated
Entry Method Resolution (Å) Chain Positions PDBsum
2RMX NMR - B 1-15 [» ]
2YU7 NMR - B 33-47 [» ]
3BDW X-ray 2.50 B/D 113-232 [» ]
3CDG X-ray 3.40 F/K 113-232 [» ]
3CII X-ray 4.41 H/J 113-232 [» ]
ProteinModelPortali P26715.
SMRi P26715. Positions 113-232.
ModBasei Search...

Protein-protein interaction databases

BioGridi 110020. 1 interaction.
STRINGi 9606.ENSP00000352064.

PTM databases

PhosphoSitei P26715.

Polymorphism databases

DMDMi 317373399.

Proteomic databases

PaxDbi P26715.
PRIDEi P26715.

Protocols and materials databases

DNASUi 3821.
Structural Biology Knowledgebase Search...

Genome annotation databases

Ensembli ENST00000347831 ; ENSP00000256965 ; ENSG00000134545 . [P26715-2 ]
ENST00000359151 ; ENSP00000352064 ; ENSG00000134545 . [P26715-1 ]
ENST00000408006 ; ENSP00000385304 ; ENSG00000134545 . [P26715-2 ]
ENST00000544822 ; ENSP00000438038 ; ENSG00000134545 . [P26715-1 ]
GeneIDi 3821.
KEGGi hsa:3821.
UCSCi uc001qyl.3. human. [P26715-1 ]
uc001qym.3. human. [P26715-2 ]

Organism-specific databases

CTDi 3821.
GeneCardsi GC12M010598.
HGNCi HGNC:6374. KLRC1.
MIMi 161555. gene.
neXtProti NX_P26715.
PharmGKBi PA30163.
GenAtlasi Search...

Phylogenomic databases

eggNOGi NOG146673.
HOGENOMi HOG000220925.
HOVERGENi HBG077044.
InParanoidi P26715.
KOi K06541.
OMAi TEQEIIY.
PhylomeDBi P26715.
TreeFami TF336674.

Enzyme and pathway databases

Reactomei REACT_11152. Immunoregulatory interactions between a Lymphoid and a non-Lymphoid cell.

Miscellaneous databases

EvolutionaryTracei P26715.
GenomeRNAii 3821.
NextBioi 15019.
PROi P26715.
SOURCEi Search...

Gene expression databases

ArrayExpressi P26715.
Bgeei P26715.
CleanExi HS_KLRC1.
Genevestigatori P26715.

Family and domain databases

Gene3Di 3.10.100.10. 1 hit.
InterProi IPR001304. C-type_lectin.
IPR016186. C-type_lectin-like.
IPR016187. C-type_lectin_fold.
[Graphical view ]
Pfami PF00059. Lectin_C. 1 hit.
[Graphical view ]
SMARTi SM00034. CLECT. 1 hit.
[Graphical view ]
SUPFAMi SSF56436. SSF56436. 1 hit.
PROSITEi PS50041. C_TYPE_LECTIN_2. 1 hit.
[Graphical view ]
ProtoNeti Search...

Publicationsi

« Hide 'large scale' publications
  1. "DNA sequence analysis of NKG2, a family of related cDNA clones encoding type II integral membrane proteins on human natural killer cells."
    Houchins J.P., Yabe T., McSherry C., Bach F.H.
    J. Exp. Med. 173:1017-1020(1991) [PubMed] [Europe PMC] [Abstract]
    Cited for: NUCLEOTIDE SEQUENCE [MRNA] (ISOFORMS NKG2-A AND NKG2-B), VARIANT SER-29.
  2. "Genomic structure, chromosome location, and alternative splicing of the human NKG2A gene."
    Plougastel B., Jones T., Trowsdale J.
    Immunogenetics 44:286-291(1996) [PubMed] [Europe PMC] [Abstract]
    Cited for: NUCLEOTIDE SEQUENCE [GENOMIC DNA] (ISOFORMS NKG2-A AND NKG2-B), VARIANT SER-29.
  3. "Sequence analysis of a 62-kb region overlapping the human KLRC cluster of genes."
    Plougastel B., Trowsdale J.
    Genomics 49:193-199(1998) [PubMed] [Europe PMC] [Abstract]
    Cited for: NUCLEOTIDE SEQUENCE [GENOMIC DNA] (ISOFORMS NKG2-A AND NKG2-B), VARIANT SER-29.
  4. "Identification and characterization of the NKG2A gene from large granular lymphocytic leukemia (LGL) cells."
    Kothapalli R., Kusmartseva I., Loughran T.P. Jr.
    Submitted (DEC-2001) to the EMBL/GenBank/DDBJ databases
    Cited for: NUCLEOTIDE SEQUENCE [MRNA], VARIANT SER-29.
  5. "The finished DNA sequence of human chromosome 12."
    Scherer S.E., Muzny D.M., Buhay C.J., Chen R., Cree A., Ding Y., Dugan-Rocha S., Gill R., Gunaratne P., Harris R.A., Hawes A.C., Hernandez J., Hodgson A.V., Hume J., Jackson A., Khan Z.M., Kovar-Smith C., Lewis L.R.
    , Lozado R.J., Metzker M.L., Milosavljevic A., Miner G.R., Montgomery K.T., Morgan M.B., Nazareth L.V., Scott G., Sodergren E., Song X.-Z., Steffen D., Lovering R.C., Wheeler D.A., Worley K.C., Yuan Y., Zhang Z., Adams C.Q., Ansari-Lari M.A., Ayele M., Brown M.J., Chen G., Chen Z., Clerc-Blankenburg K.P., Davis C., Delgado O., Dinh H.H., Draper H., Gonzalez-Garay M.L., Havlak P., Jackson L.R., Jacob L.S., Kelly S.H., Li L., Li Z., Liu J., Liu W., Lu J., Maheshwari M., Nguyen B.-V., Okwuonu G.O., Pasternak S., Perez L.M., Plopper F.J.H., Santibanez J., Shen H., Tabor P.E., Verduzco D., Waldron L., Wang Q., Williams G.A., Zhang J., Zhou J., Allen C.C., Amin A.G., Anyalebechi V., Bailey M., Barbaria J.A., Bimage K.E., Bryant N.P., Burch P.E., Burkett C.E., Burrell K.L., Calderon E., Cardenas V., Carter K., Casias K., Cavazos I., Cavazos S.R., Ceasar H., Chacko J., Chan S.N., Chavez D., Christopoulos C., Chu J., Cockrell R., Cox C.D., Dang M., Dathorne S.R., David R., Davis C.M., Davy-Carroll L., Deshazo D.R., Donlin J.E., D'Souza L., Eaves K.A., Egan A., Emery-Cohen A.J., Escotto M., Flagg N., Forbes L.D., Gabisi A.M., Garza M., Hamilton C., Henderson N., Hernandez O., Hines S., Hogues M.E., Huang M., Idlebird D.G., Johnson R., Jolivet A., Jones S., Kagan R., King L.M., Leal B., Lebow H., Lee S., LeVan J.M., Lewis L.C., London P., Lorensuhewa L.M., Loulseged H., Lovett D.A., Lucier A., Lucier R.L., Ma J., Madu R.C., Mapua P., Martindale A.D., Martinez E., Massey E., Mawhiney S., Meador M.G., Mendez S., Mercado C., Mercado I.C., Merritt C.E., Miner Z.L., Minja E., Mitchell T., Mohabbat F., Mohabbat K., Montgomery B., Moore N., Morris S., Munidasa M., Ngo R.N., Nguyen N.B., Nickerson E., Nwaokelemeh O.O., Nwokenkwo S., Obregon M., Oguh M., Oragunye N., Oviedo R.J., Parish B.J., Parker D.N., Parrish J., Parks K.L., Paul H.A., Payton B.A., Perez A., Perrin W., Pickens A., Primus E.L., Pu L.-L., Puazo M., Quiles M.M., Quiroz J.B., Rabata D., Reeves K., Ruiz S.J., Shao H., Sisson I., Sonaike T., Sorelle R.P., Sutton A.E., Svatek A.F., Svetz L.A., Tamerisa K.S., Taylor T.R., Teague B., Thomas N., Thorn R.D., Trejos Z.Y., Trevino B.K., Ukegbu O.N., Urban J.B., Vasquez L.I., Vera V.A., Villasana D.M., Wang L., Ward-Moore S., Warren J.T., Wei X., White F., Williamson A.L., Wleczyk R., Wooden H.S., Wooden S.H., Yen J., Yoon L., Yoon V., Zorrilla S.E., Nelson D., Kucherlapati R., Weinstock G., Gibbs R.A.
    Nature 440:346-351(2006) [PubMed] [Europe PMC] [Abstract]
    Cited for: NUCLEOTIDE SEQUENCE [LARGE SCALE GENOMIC DNA].
  6. "The status, quality, and expansion of the NIH full-length cDNA project: the Mammalian Gene Collection (MGC)."
    The MGC Project Team
    Genome Res. 14:2121-2127(2004) [PubMed] [Europe PMC] [Abstract]
    Cited for: NUCLEOTIDE SEQUENCE [LARGE SCALE MRNA] (ISOFORMS NKG2-A AND NKG2-B), VARIANT SER-29.
    Tissue: Blood and Kidney.
  7. "The heterodimeric assembly of the CD94-NKG2 receptor family and implications for human leukocyte antigen-E recognition."
    Sullivan L.C., Clements C.S., Beddoe T., Johnson D., Hoare H.L., Lin J., Huyton T., Hopkins E.J., Reid H.H., Wilce M.C., Kabat J., Borrego F., Coligan J.E., Rossjohn J., Brooks A.G.
    Immunity 27:900-911(2007) [PubMed] [Europe PMC] [Abstract]
    Cited for: X-RAY CRYSTALLOGRAPHY (2.5 ANGSTROMS) OF 113-232 IN COMPLEX WITH KLRD1, SUBUNIT, DISULFIDE BONDS.
  8. "CD94-NKG2A recognition of human leukocyte antigen (HLA)-E bound to an HLA class I leader sequence."
    Petrie E.J., Clements C.S., Lin J., Sullivan L.C., Johnson D., Huyton T., Heroux A., Hoare H.L., Beddoe T., Reid H.H., Wilce M.C., Brooks A.G., Rossjohn J.
    J. Exp. Med. 205:725-735(2008) [PubMed] [Europe PMC] [Abstract]
    Cited for: X-RAY CRYSTALLOGRAPHY (3.4 ANGSTROMS) OF 113-232 IN COMPLEX WITH KLRD1, SUBUNIT, DISULFIDE BONDS.
  9. Cited for: X-RAY CRYSTALLOGRAPHY (4.41 ANGSTROMS) OF 113-232 IN COMPLEX WITH KLRD1, SUBUNIT, DISULFIDE BONDS.

Entry informationi

Entry nameiNKG2A_HUMAN
AccessioniPrimary (citable) accession number: P26715
Entry historyi
Integrated into UniProtKB/Swiss-Prot: August 1, 1992
Last sequence update: January 11, 2011
Last modified: September 3, 2014
This is version 137 of the entry and version 2 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

3D-structure, Complete proteome, Reference proteome

Documents

  1. Human cell differentiation molecules
    CD nomenclature of surface proteins of human leucocytes and list of entries
  2. Human chromosome 12
    Human chromosome 12: entries, gene names and cross-references to MIM
  3. Human entries with polymorphisms or disease mutations
    List of human entries with polymorphisms or disease mutations
  4. Human polymorphisms and disease mutations
    Index of human polymorphisms and disease mutations
  5. MIM cross-references
    Online Mendelian Inheritance in Man (MIM) cross-references in UniProtKB/Swiss-Prot
  6. PDB cross-references
    Index of Protein Data Bank (PDB) cross-references
  7. SIMILARITY comments
    Index of protein domains and families

External Data

Dasty 3

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