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Protein

Class II histocompatibility antigen, M alpha chain

Gene

H2-DMa

Organism
Mus musculus (Mouse)
Status
Reviewed-Annotation score: -Experimental evidence at protein leveli

Functioni

Plays a critical role in catalyzing the release of class II HLA-associated invariant chain-derived peptides (CLIP) from newly synthesized class II HLA molecules and freeing the peptide binding site for acquisition of antigenic peptides.

GO - Molecular functioni

GO - Biological processi

  • antigen processing and presentation Source: MGI
  • antigen processing and presentation of exogenous peptide antigen via MHC class II Source: MGI
  • chaperone cofactor-dependent protein refolding Source: MGI
  • immunoglobulin mediated immune response Source: MGI
  • inner ear development Source: MGI
  • peptide antigen assembly with MHC class II protein complex Source: MGI
  • positive regulation of germinal center formation Source: BHF-UCL
  • positive regulation of humoral immune response Source: BHF-UCL
  • positive regulation of immune response Source: MGI
  • positive regulation of T cell differentiation Source: MGI
  • positive thymic T cell selection Source: MGI
  • protein-containing complex assembly Source: MGI
  • protein transport Source: MGI

Keywordsi

Biological processImmunity

Names & Taxonomyi

Protein namesi
Recommended name:
Class II histocompatibility antigen, M alpha chain
Gene namesi
Name:H2-DMa
Synonyms:H2-Ma, Ma
OrganismiMus musculus (Mouse)
Taxonomic identifieri10090 [NCBI]
Taxonomic lineageiEukaryotaMetazoaChordataCraniataVertebrataEuteleostomiMammaliaEutheriaEuarchontogliresGliresRodentiaMyomorphaMuroideaMuridaeMurinaeMusMus
Proteomesi
  • UP000000589 Componenti: Unplaced

Organism-specific databases

MGIiMGI:95921 H2-DMa

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 domaini27 – 231LumenalSequence analysisAdd BLAST205
Transmembranei232 – 252HelicalSequence analysisAdd BLAST21
Topological domaini253 – 261CytoplasmicSequence analysis9

Keywords - Cellular componenti

Endosome, Lysosome, Membrane, MHC II

PTM / Processingi

Molecule processing

Feature keyPosition(s)DescriptionActionsGraphical viewLength
Signal peptidei1 – 26Sequence analysisAdd BLAST26
ChainiPRO_000001895927 – 261Class II histocompatibility antigen, M alpha chainAdd BLAST235

Amino acid modifications

Feature keyPosition(s)DescriptionActionsGraphical viewLength
Glycosylationi41N-linked (GlcNAc...) asparagine1 Publication1
Disulfide bondi50 ↔ 105PROSITE-ProRule annotation1 Publication
Disulfide bondi147 ↔ 202PROSITE-ProRule annotation1 Publication

Keywords - PTMi

Disulfide bond, Glycoprotein

Proteomic databases

MaxQBiP28078
PaxDbiP28078
PRIDEiP28078

PTM databases

iPTMnetiP28078
PhosphoSitePlusiP28078

Expressioni

Gene expression databases

CleanExiMM_H2-DMA

Interactioni

Subunit structurei

Heterodimer of an alpha chain (DMA) and a beta chain (DMB).1 Publication

Protein-protein interaction databases

IntActiP28078, 1 interactor
STRINGi10090.ENSMUSP00000037088

Structurei

Secondary structure

1261
Legend: HelixTurnBeta strandPDB Structure known for this area
Show more details
Feature keyPosition(s)DescriptionActionsGraphical viewLength
Beta strandi41 – 63Combined sources23
Beta strandi66 – 72Combined sources7
Turni73 – 76Combined sources4
Beta strandi77 – 82Combined sources6
Turni83 – 86Combined sources4
Helixi87 – 90Combined sources4
Helixi95 – 110Combined sources16
Helixi112 – 116Combined sources5
Beta strandi128 – 135Combined sources8
Beta strandi143 – 155Combined sources13
Beta strandi157 – 163Combined sources7
Beta strandi166 – 168Combined sources3
Beta strandi175 – 179Combined sources5
Turni180 – 182Combined sources3
Beta strandi183 – 192Combined sources10
Beta strandi200 – 206Combined sources7
Turni207 – 209Combined sources3
Beta strandi212 – 217Combined sources6

3D structure databases

Select the link destinations:
PDBei
RCSB PDBi
PDBji
Links Updated
PDB entryMethodResolution (Å)ChainPositionsPDBsum
1K8IX-ray3.10A30-220[»]
ProteinModelPortaliP28078
SMRiP28078
ModBaseiSearch...
MobiDBiSearch...

Miscellaneous databases

EvolutionaryTraceiP28078

Family & Domainsi

Domains and Repeats

Feature keyPosition(s)DescriptionActionsGraphical viewLength
Domaini114 – 215Ig-like C1-typeAdd BLAST102

Region

Feature keyPosition(s)DescriptionActionsGraphical viewLength
Regioni27 – 124Alpha-1Add BLAST98
Regioni125 – 217Alpha-2Add BLAST93
Regioni218 – 231Connecting peptideSequence analysisAdd BLAST14

Sequence similaritiesi

Belongs to the MHC class II family.Curated

Keywords - Domaini

Signal, Transmembrane, Transmembrane helix

Phylogenomic databases

eggNOGiENOG410IR26 Eukaryota
ENOG410YJDD LUCA
HOGENOMiHOG000126882
HOVERGENiHBG001688
InParanoidiP28078
PhylomeDBiP28078

Family and domain databases

Gene3Di2.60.40.10, 1 hit
3.10.320.10, 1 hit
InterProiView protein in InterPro
IPR007110 Ig-like_dom
IPR036179 Ig-like_dom_sf
IPR013783 Ig-like_fold
IPR003006 Ig/MHC_CS
IPR003597 Ig_C1-set
IPR011162 MHC_I/II-like_Ag-recog
IPR014745 MHC_II_a/b_N
IPR001003 MHC_II_a_N
PfamiView protein in Pfam
PF07654 C1-set, 1 hit
PF00993 MHC_II_alpha, 1 hit
SMARTiView protein in SMART
SM00407 IGc1, 1 hit
SM00920 MHC_II_alpha, 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.

P28078-1 [UniParc]FASTAAdd to basket

« Hide

        10         20         30         40         50
MEHEQKSGAV LLRLLRLLWL LPHSWAVLEA STPVLWDDPQ NHTFRHTLFC
60 70 80 90 100
QDGIPNIGLS ETYDEDELFS FDFSQNTRVP RLPDFAEWAQ GQGDASAIAF
110 120 130 140 150
GKSFCEMLMR EVSPKLEGQI PVSRGLSVAE VFTLKPLEFG KPNTLVCFIS
160 170 180 190 200
NLFPPTLTVN WQLHSAPVEG ASPTSISAVD GLTFQAFSYL NFTPEPFDLY
210 220 230 240 250
SCTVTHEIDR YTAIAYWVPQ NALPSDLLEN ALCGVAFALG VLGTIIGIVF
260
FLCSQRPCSG D
Length:261
Mass (Da):28,950
Last modified:August 1, 1992 - v1
Checksum:iC8403C76CB54A55C
GO

Sequence databases

Select the link destinations:
EMBLi
GenBanki
DDBJi
Links Updated
X62742 mRNA Translation: CAA44604.1
CCDSiCCDS37579.1
PIRiS17888
UniGeneiMm.16373

Similar proteinsi

Entry informationi

Entry nameiDMA_MOUSE
AccessioniPrimary (citable) accession number: P28078
Entry historyiIntegrated into UniProtKB/Swiss-Prot: August 1, 1992
Last sequence update: August 1, 1992
Last modified: May 23, 2018
This is version 134 of the entry and version 1 of the sequence. See complete history.
Entry statusiReviewed (UniProtKB/Swiss-Prot)
Annotation programChordata Protein Annotation Program

Miscellaneousi

Keywords - Technical termi

3D-structure, Complete proteome, Reference proteome

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