P01909 (DQA1_HUMAN) Homo sapiens (Human)

HLA class II histocompatibility antigen, DQ alpha 1 chain UniProtKBInterProInteractive Modelling

254 aa; Sequence (Fasta) Identical sequences: Homo sapiens: Q5Y7D2; A0A346FLH4

Sequence Features

Add
 8M -> L (in allele DQA1*01:01, allele DQA1*01:02, allele DQA1*01:03, allele DQA1*01:04, allele DQA1*01:05, allele DQA1*04:01 and allele DQA1*06:01; dbSNP:rs1047989) VAR_033399 dbSNP
 11A -> T (in allele DQA1*05:05, allele DQA1*05:08 and allele DQA1*05:09; dbSNP:rs1047992) VAR_033400 dbSNP
 17V -> M (in allele DQA1*01:04 and allele DQA1*01:05; dbSNP:rs12722039) VAR_050380 dbSNP
 18M -> T (in allele DQA1*03:03; dbSNP:rs11545686) VAR_050381 dbSNP
 24E -> K (in allele DQA1*05:09; dbSNP:rs41545012) VAR_060493 dbSNP
 25D -> G (in allele DQA1*01:04 and allele DQA1*01:05; dbSNP:rs12722042) VAR_050382 dbSNP
 34Y -> C (in allele DQA1*01:01, allele DQA1*01:02, allele DQA1*01:03, allele DQA1*01:04, allele DQA1*01:05, allele DQA1*01:06 and allele DQA1*01:07; dbSNP:rs1129740) VAR_060494 dbSNP
 41S -> F (in allele DQA1*01:01, allele DQA1*01:02, allele DQA1*01:03, allele DQA1*01:04, allele DQA1*01:05, allele DQA1*01:06 and allele DQA1*01:07; dbSNP:rs1071630) VAR_033401 dbSNP
 44P -> L (in allele DQA1*05:04; dbSNP:rs41549715) VAR_060495 dbSNP
 48Y -> F (in allele DQA1*02:01, allele DQA1*01:03, allele DQA1*06:01 and allele DQA1*06:02; dbSNP:rs12722051) VAR_033402 dbSNP
 49T -> S (in allele DQA1*03:01, allele DQA1*03:02 and allele DQA1*03:03; dbSNP:rs1048023) VAR_033403 dbSNP
 57Q -> E (in allele DQA1*01:01, allele DQA1*01:04, allele DQA1*01:05, allele DQA1*01:07, allele DQA1*02:01, allele DQA1*03:01, allele DQA1*03:02 and allele DQA1*03:03; dbSNP:rs10093) VAR_014604 dbSNP
 63G -> E (in allele DQA1*01:01, allele DQA1*01:02, allele DQA1*01:03, allele DQA1*01:04, allele DQA1*01:05, allele DQA1*01:06, allele DQA1*01:07, allele DQA1*02:01, allele DQA1*03:01, allele DQA1*03:02 and allele DQA1*03:03; dbSNP:rs1142323) VAR_060496 dbSNP
 64R -> K (in allele DQA1*01:03; dbSNP:rs36219699) VAR_050383 dbSNP
 67T -> A (in allele DQA1*01:06; dbSNP:rs41543221) VAR_060497 dbSNP
 68V -> A (in allele DQA1*01:01, allele DQA1*01:02, allele DQA1*01:03, allele DQA1*01:04, allele DQA1*01:05, allele DQA1*01:06 and allele DQA1*01:07; dbSNP:rs1142324) VAR_060498 dbSNP
 70C -> K (in allele DQA1*02:01; requires 2 nucleotide substitutions) VAR_060499
 70C -> Q (in allele DQA1*03:01, allele DQA1*03:02 and allele DQA1*03:03; requires 2 nucleotide substitutions) VAR_060500
 70C -> R (in allele DQA1*01:01, allele DQA1*01:02, allele DQA1*01:03, allele DQA1*01:04, allele DQA1*01:05, allele DQA1*01:06 and allele DQA1*01:07; dbSNP:rs1142326) VAR_060501 dbSNP
 70C -> Y (in dbSNP:rs3207983) VAR_033404 dbSNP
 71L -> W (in allele DQA1*01:01, allele DQA1*01:02,allele DQA1*01:03, allele DQA1*01:04, allele DQA1*01:05, allele DQA1*01:06 and allele DQA1*01:07; dbSNP:rs1142328) VAR_060502 dbSNP
 73V -> D (in dbSNP:rs760671632) VAR_033406 dbSNP
 73V -> E (in allele DQA1*01:01, allele DQA1*01:02, allele DQA1*01:03, allele DQA1*01:04, allele DQA1*01:05, allele DQA1*01:06 and allele DQA1*01:07; dbSNP:rs3208105) VAR_060503 dbSNP
 73V -> L (in allele DQA1*02:01, allele DQA1*03:01, allele DQA1*03:02 and allele DQA1*03:03; dbSNP:rs12722061) VAR_033405 dbSNP
 74L -> F (in allele DQA1*01:01, allele DQA1*01:02, allele DQA1*01:03, allele DQA1*01:04, allele DQA1*01:05, allele DQA1*01:06, allele DQA1*01:07, allele DQA1*02:01, allele DQA1*03:01, allele DQA1*03:02 and allele DQA1*03:03; dbSNP:rs9272698) VAR_060504 dbSNP
 75R -> H (in allele DQA1*02:01; dbSNP:rs28383449) VAR_060505 dbSNP
 75R -> S (in allele DQA1*01:01, allele DQA1*01:02, allele DQA1*01:03, allele DQA1*01:04, allele DQA1*01:05, allele DQA1*01:06 and allele DQA1*01:07; dbSNP:rs9272699) VAR_060506 dbSNP
 76Q -> K (in allele DQA1*01:01, allele DQA1*01:02, allele DQA1*01:03, allele DQA1*01:04, allele DQA1*01:05, allele DQA1*01:06 and allele DQA1*01:07; dbSNP:rs1048052) VAR_060507 dbSNP
 76Q -> R (in allele DQA1*02:01, allele DQA1*03:01, allele DQA1*03:02 and allele DQA1*03:03; dbSNP:rs12722069) VAR_060508 dbSNP
 77F -> L (in allele DQA1*02:01; dbSNP:rs3188043) VAR_060509 dbSNP
 78R -> GG (in allele DQA1*01:01, allele DQA1*01:02, allele DQA1*01:03, allele DQA1*01:04, allele DQA1*01:05,allele DQA1*01:06 and allele DQA1*01:07; dbSNP:rs4193) VAR_060510 dbSNP
 78R -> RR (in allele DQA1*03:01, allele DQA1*03:02 and allele DQA1*03:03) VAR_060511
 81P -> R (in allele DQA1*05:02; dbSNP:rs41541412) VAR_060512 dbSNP
 83F -> G (in allele DQA1*01:01, allele DQA1*01:02, allele DQA1*01:03, allele DQA1*01:04, allele DQA1*01:05, allele DQA1*01:06 and allele DQA1*01:07; requires 2 nucleotide substitutions) VAR_060513
 86T -> R (in allele DQA1*01:01, allele DQA1*01:02, allele DQA1*01:03, allele DQA1*01:04, allele DQA1*01:05, allele DQA1*01:06 and allele DQA1*01:07; dbSNP:rs1142333) VAR_033408 dbSNP
 88I -> M (in allele DQA1*01:01, allele DQA1*01:02, allele DQA1*01:03, allele DQA1*01:04, allele DQA1*01:05, allele DQA1*01:06 and allele DQA1*01:07; dbSNP:rs1142334) VAR_033409 dbSNP
 91L -> A (in allele DQA1*01:01, allele DQA1*01:02, allele DQA1*01:03, allele DQA1*01:04, allele DQA1*01:05, allele DQA1*01:06 and allele DQA1*01:07; requires 2 nucleotide substitutions) VAR_060514
 91L -> T (in allele DQA1*04:01, allele DQA1*04:02, allele DQA1*04:04, allele DQA1*06:01 and allele DQA1*06:02; requires 2 nucleotide substitutions) VAR_060515
 97S -> I (in allele DQA1*01:01, allele DQA1*01:02, allele DQA1*01:03, allele DQA1*01:04, allele DQA1*01:05, allele DQA1*01:06, allele DQA1*01:07, allele DQA1*02:01, allele DQA1*03:01, allele DQA1*03:02, allele DQA1*03:03, allele DQA1*04:01, allele DQA1*04:02, allele DQA1*04:04, allele DQA1*06:01 and allele DQA1*06:02; dbSNP:rs9279910) VAR_060516 dbSNP
 98L -> M (in allele DQA1*01:01, allele DQA1*01:02, allele DQA1*01:03, allele DQA1*01:04, allele DQA1*01:05, allele DQA1*01:06 and allele DQA1*01:07; dbSNP:rs1064944) VAR_060517 dbSNP
 98L -> V (in allele DQA1*03:01, allele DQA1*03:02 and allele DQA1*03:03; dbSNP:rs1064944) VAR_060518 dbSNP
 101R -> C (in allele DQA1*01:07; dbSNP:rs41542116) VAR_060519 dbSNP
 102S -> Y (in allele DQA1*01:01, allele DQA1*01:02, allele DQA1*01:03, allele DQA1*01:04, allele DQA1*01:05, allele DQA1*01:06 and allele DQA1*01:07; dbSNP:rs1129808) VAR_050384 dbSNP
 124L -> V (in allele DQA1*05:06; dbSNP:rs41555012) VAR_060520 dbSNP
 129I -> T (in allele DQA1*01:01, allele DQA1*01:02, allele DQA1*01:03, allele DQA1*01:04, allele DQA1*01:05, allele DQA1*01:07, allele DQA1*02:01, allele DQA1*03:01, allele DQA1*03:02, allele DQA1*03:03, allele DQA1*04:01, allele DQA1*04:02, allele DQA1*04:04, allele DQA1*06:01 and allele DQA1*06:02; dbSNP:rs707952) VAR_050385 dbSNP
 151H -> Q (in allele DQA1*01:01, allele DQA1*01:02, allele DQA1*01:04, allele DQA1*01:05 and allele DQA1*01:07; dbSNP:rs707950) VAR_050386 dbSNP
 152S -> A (in allele DQA1*01:03; dbSNP:rs41547417) VAR_060521 dbSNP
 160T -> I (in allele DQA1*04:02; dbSNP:rs41545514) VAR_060522 dbSNP
 161S -> I (in allele DQA1*05:08; dbSNP:rs41544114) VAR_060524 dbSNP
 161S -> R (in allele DQA1*06:02; dbSNP:rs41552014) VAR_060523 dbSNP
 175Y -> H (in allele DQA1*04:04; dbSNP:rs41550317) VAR_060525 dbSNP
 178L -> F (in allele DQA1*01:01, allele DQA1*01:02, allele DQA1*01:03, allele DQA1*01:04, allele DQA1*01:05, allele DQA1*01:07, allele DQA1*02:01, allele DQA1*03:01, allele DQA1*03:02, allele DQA1*03:03, allele DQA1*04:01, allele DQA1*04:02, allele DQA1*04:04, allele DQA1*06:01 and allele DQA1*06:02; dbSNP:rs707949) VAR_060526 dbSNP
 182A -> D (in allele DQA1*03:02 and allele DQA1*03:03; dbSNP:rs7990) VAR_060527 dbSNP
 182A -> S (in allele DQA1*05:03, allele DQA1*05:06 and allele DQA1*05:07; dbSNP:rs41561312) VAR_060528 dbSNP
 183E -> D (in allele DQA1*01:01, allele DQA1*01:02, allele DQA1*01:03, allele DQA1*01:04, allele DQA1*01:05, allele DQA1*01:07, allele DQA1*02:01, allele DQA1*03:01, allele DQA1*03:02, allele DQA1*03:03, allele DQA1*04:01, allele DQA1*04:02, allele DQA1*04:04, allele DQA1*06:01 and allele DQA1*06:02; dbSNP:rs707963) VAR_060529 dbSNP
 185S -> I (in allele DQA1*01:01, allele DQA1*01:02, allele DQA1*01:03, allele DQA1*01:04, allele DQA1*01:05, allele DQA1*01:07, allele DQA1*02:01, allele DQA1*03:01, allele DQA1*03:02, allele DQA1*03:03, allele DQA1*04:01, allele DQA1*04:02, allele DQA1*04:04, allele DQA1*06:01 and allele DQA1*06:02; dbSNP:rs707962) VAR_060530 dbSNP
 197K -> E (in allele DQA1*02:01, allele DQA1*03:01, allele DQA1*03:02, allele DQA1*03:03, allele DQA1*04:01, allele DQA1*04:02, allele DQA1*04:04, allele DQA1*06:01 and allele DQA1*06:02; dbSNP:rs2308891) VAR_060531 dbSNP
 197K -> Q (in allele DQA1*01:01, allele DQA1*01:02, allele DQA1*01:03, allele DQA1*01:04, allele DQA1*01:05 and allele DQA1*01:07; dbSNP:rs2308891) VAR_060532 dbSNP
 209A -> T (in allele DQA1*03:01, allele DQA1*03:02 and allele DQA1*03:03; dbSNP:rs9272785) VAR_050387 dbSNP
 221A -> T (in allele DQA1*01:04; dbSNP:rs35087390) VAR_050388 dbSNP
 229V -> M (in allele DQA1*01:02; dbSNP:rs9260) VAR_033411 dbSNP
 230G -> C (in allele DQA1*05:07; dbSNP:rs41545416) VAR_060533 dbSNP
 237F -> L (in allele DQA1*02:01, allele DQA1*03:01, allele DQA1*03:02 and allele DQA1*03:03; dbSNP:rs1048430) VAR_033412 dbSNP
 240R -> Q (in allele DQA1*01:01, allele DQA1*01:02, allele DQA1*01:03, allele DQA1*01:04 and allele DQA1*01:05; dbSNP:rs1048439) VAR_033413 dbSNP
 217-239Helical
 132-188
 29-108MHC class II, alpha chain, N-terminal
IPR001003PF00993
 114-195Immunoglobulin C1-set
IPR003597PF07654

Sequence Alignments

Experimental structures

DescriptionOligo-stateLigandsStructureRange
Bel602-DQ8.5-glia-gamma1 complex Heteromer
A0A0B4J274; A0A0U5Q247; A0A580; A0A5B9; P01848; P08079;
NAG;CA;5ksa25-206
Assess
Crystal structure of HLA-DQ2.5-CLIP1 at 2.73 resolution Heteromer
P04233; Q5Y7D3;
5ksu25-206
Assess
DQ2-P.fluor-alpha1a Heteromer
O19712;
NAG;GOL;PO4;6u3m26-206
Assess
HLA-DQ2-glia-alpha1 Heteromer
O19712;
NAG;6mfg26-206
Assess
Structure of the MHC class II molecule HLA-DQ8 bound with a deamidated gluten peptide Heteromer
P01920; P18573;
2nna25-205
Assess
JR5.1 protein complex Heteromer
P01850; P04722; Q2YD82; Q5Y7D3;
NAG;4ozf26-206
Assess
LS2.8/3.15 - DQ2-P.fluor-alpha1a complex Heteromer
O19712;
NAG;6u3n26-206
Assess
S16 protein complex Heteromer
P01850; P04722; Q2YD82; Q5Y7D3;
NAG;CA;4ozh26-206
Assess
T15-DQ8.5-glia-gamma1 complex Heteromer
A0A0B4J274; A0A0U5Q247; A0A580; A0A5B9; P01848; P08079;
NAG;NAG;5ksb25-205
Assess
D2 protein complex Heteromer
P01850; P04722; Q2YD82; Q5Y7D3;
NAG;4ozg26-206
Assess
S2 protein complex Heteromer
P01850; P04722; Q2YD82; Q5Y7D3;
NAG;CA;4ozi26-206
Assess
Protein complex Heteromer
K7N5N2; P01850; P01920; P18573;
NAG;4gg625-205
Assess
Crystal structure of HLA-DQ2.5-CLIP2 Heteromer
P04233; Q5Y7D3;
5ksv26-205
Assess
Crystal structure of a human insulin peptide-HLA-DQ8 complex Heteromer
P01308; P01920;
NAG;1jk827-206
Assess
HLA-DQ2-glia-omega1 Heteromer
O19712;
NAG;6mff26-205
Assess
Crystal structure of HLA-DQ2 complexed with deamidated gliadin peptide Heteromer
P01920;
EDO;1s9v27-205
Assess