ID A0A3B1J002_ASTMX Unreviewed; 259 AA.
AC A0A3B1J002;
DT 05-DEC-2018, integrated into UniProtKB/TrEMBL.
DT 05-DEC-2018, sequence version 1.
DT 18-JUN-2025, entry version 32.
DE RecName: Full=Ig-like domain-containing protein {ECO:0000259|PROSITE:PS50835};
OS Astyanax mexicanus (Blind cave fish) (Astyanax fasciatus mexicanus).
OC Eukaryota; Metazoa; Chordata; Craniata; Vertebrata; Euteleostomi;
OC Actinopterygii; Neopterygii; Teleostei; Ostariophysi; Characiformes;
OC Characoidei; Acestrorhamphidae; Acestrorhamphinae; Astyanax.
OX NCBI_TaxID=7994 {ECO:0000313|Ensembl:ENSAMXP00000034719.1, ECO:0000313|Proteomes:UP000018467};
RN [1] {ECO:0000313|Proteomes:UP000018467}
RP NUCLEOTIDE SEQUENCE.
RC STRAIN=female {ECO:0000313|Proteomes:UP000018467};
RA Jeffery W., Warren W., Wilson R.K.;
RL Submitted (MAR-2013) to the EMBL/GenBank/DDBJ databases.
RN [2] {ECO:0000313|Proteomes:UP000018467}
RP NUCLEOTIDE SEQUENCE [LARGE SCALE GENOMIC DNA].
RC STRAIN=female {ECO:0000313|Proteomes:UP000018467};
RX PubMed=25329095; DOI=10.1038/ncomms6307;
RA McGaugh S.E., Gross J.B., Aken B., Blin M., Borowsky R., Chalopin D.,
RA Hinaux H., Jeffery W.R., Keene A., Ma L., Minx P., Murphy D., O'Quin K.E.,
RA Retaux S., Rohner N., Searle S.M., Stahl B.A., Tabin C., Volff J.N.,
RA Yoshizawa M., Warren W.C.;
RT "The cavefish genome reveals candidate genes for eye loss.";
RL Nat. Commun. 5:5307-5307(2014).
RN [3] {ECO:0000313|Ensembl:ENSAMXP00000034719.1}
RP IDENTIFICATION.
RG Ensembl;
RL Submitted (MAR-2025) to UniProtKB.
CC -!- SUBCELLULAR LOCATION: Membrane {ECO:0000256|ARBA:ARBA00004479}; Single-
CC pass type I membrane protein {ECO:0000256|ARBA:ARBA00004479}.
CC -!- SIMILARITY: Belongs to the MHC class II family.
CC {ECO:0000256|ARBA:ARBA00007394}.
CC ---------------------------------------------------------------------------
CC Copyrighted by the UniProt Consortium, see https://www.uniprot.org/terms
CC Distributed under the Creative Commons Attribution (CC BY 4.0) License
CC ---------------------------------------------------------------------------
DR AlphaFoldDB; A0A3B1J002; -.
DR Ensembl; ENSAMXT00000050610.1; ENSAMXP00000034719.1; ENSAMXG00000005248.2.
DR GeneTree; ENSGT00940000161847; -.
DR Proteomes; UP000018467; Unassembled WGS sequence.
DR Bgee; ENSAMXG00000005248; Expressed in pharyngeal gill and 14 other cell types or tissues.
DR GO; GO:0042613; C:MHC class II protein complex; IEA:UniProtKB-KW.
DR GO; GO:0002250; P:adaptive immune response; IEA:UniProtKB-KW.
DR GO; GO:0002504; P:antigen processing and presentation of peptide or polysaccharide antigen via MHC class II; IEA:UniProtKB-KW.
DR Gene3D; 3.10.320.10; Class II Histocompatibility Antigen, M Beta Chain, Chain B, domain 1; 1.
DR Gene3D; 2.60.40.10; Immunoglobulins; 1.
DR InterPro; IPR007110; Ig-like_dom.
DR InterPro; IPR036179; Ig-like_dom_sf.
DR InterPro; IPR013783; Ig-like_fold.
DR InterPro; IPR003006; Ig/MHC_CS.
DR InterPro; IPR003597; Ig_C1-set.
DR InterPro; IPR050160; MHC/Immunoglobulin.
DR InterPro; IPR011162; MHC_I/II-like_Ag-recog.
DR InterPro; IPR014745; MHC_II_a/b_N.
DR InterPro; IPR001003; MHC_II_a_N.
DR PANTHER; PTHR19944:SF86; HLA CLASS II HISTOCOMPATIBILITY ANTIGEN, DR ALPHA CHAIN; 1.
DR PANTHER; PTHR19944; MHC CLASS II-RELATED; 1.
DR Pfam; PF07654; C1-set; 1.
DR Pfam; PF00993; MHC_II_alpha; 1.
DR SMART; SM00407; IGc1; 1.
DR SMART; SM00920; MHC_II_alpha; 1.
DR SUPFAM; SSF48726; Immunoglobulin; 1.
DR SUPFAM; SSF54452; MHC antigen-recognition domain; 1.
DR PROSITE; PS50835; IG_LIKE; 1.
DR PROSITE; PS00290; IG_MHC; 1.
PE 3: Inferred from homology;
KW Adaptive immunity {ECO:0000256|ARBA:ARBA00023130};
KW Glycoprotein {ECO:0000256|ARBA:ARBA00023180};
KW Immunity {ECO:0000256|ARBA:ARBA00022859};
KW Immunoglobulin domain {ECO:0000256|ARBA:ARBA00023319};
KW Membrane {ECO:0000256|ARBA:ARBA00023136, ECO:0000256|SAM:Phobius};
KW MHC II {ECO:0000256|ARBA:ARBA00023182};
KW Reference proteome {ECO:0000313|Proteomes:UP000018467};
KW Transmembrane {ECO:0000256|SAM:Phobius};
KW Transmembrane helix {ECO:0000256|SAM:Phobius}.
FT TRANSMEM 211..234
FT /note="Helical"
FT /evidence="ECO:0000256|SAM:Phobius"
FT DOMAIN 109..203
FT /note="Ig-like"
FT /evidence="ECO:0000259|PROSITE:PS50835"
SQ SEQUENCE 259 AA; 28423 MW; 4AAA12620CA2EB05 CRC64;
FHQIVVCVCV CVCVCTNCCF LVSVQHRDIA LVLCSETFGE RIYGLDGEEK WHADFRLKKG
VMTLPQFADP GYYPEGAYET AVSEIEVCKS NLGTMLKAYK NPAEPKDAPQ SAIYSKNRVE
LGSKNTLICY ISGFYPARIG VSWTRNNVNV TSEASLSRYY ITDDGTFNLV SALSFTPEEG
DIYTCTVEHV ALDRPQTKTW EVQVELPGVG ASVFCGVGLA VGLLGVAVGT FFLVKGNNSS
RVARTSTFSR NLNNLRGSY
//
