Structure of PDB 2g9h Chain A Binding Site BS01

Receptor Information
>2g9h Chain A (length=178) Species: 9606 (Homo sapiens) [Search protein sequence] [Download receptor structure] [Download structure with residue number starting from 1] [View receptor structure]
EHVIIQAEFYLNPDQSGEFMFDFDGDEIFHVDMAKKETVWRLEEFGRFAS
FEAQGALANIAVDKANLEIMTKRSNYTPITNVPPEVTVLTNSPVELREPN
VLICFIDKFTPPVVNVTWLRNGKPVTTGVSETVFLPREDHLFRKFHYLPF
LPSTEDVYDCRVEHWGLDEPLLKHWEFD
Ligand information
>2g9h Chain C (length=13) Species: 387147 (Influenza A virus (A/England/878/1969(H3N2))) [Search peptide sequence] [Download ligand structure] [Download structure with residue number starting from 1] [View ligand structure]
PKYVKQNTLKLAT
Receptor-Ligand Complex Structure
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PDB2g9h Crystal structure of staphylococcal enterotoxin I (SEI) in complex with a human major histocompatibility complex class II molecule.
Resolution2.0 Å
Binding residue
(original residue number in PDB)
Q9 E11 I31 W43 F51 A52 S53 F54 G58 N62 V65 D66 N69 M73
Binding residue
(residue number reindexed from 1)
Q6 E8 I28 W40 F48 A49 S50 F51 G55 N59 V62 D63 N66 M70
Enzymatic activity
Enzyme Commision number ?
Gene Ontology
Biological Process
GO:0006955 immune response
GO:0019882 antigen processing and presentation
Cellular Component
GO:0016020 membrane
GO:0042613 MHC class II protein complex

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Biological Process

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Cellular Component
External links
PDB RCSB:2g9h, PDBe:2g9h, PDBj:2g9h
PDBsum2g9h
PubMed16829512
UniProtP01903|DRA_HUMAN HLA class II histocompatibility antigen, DR alpha chain (Gene Name=HLA-DRA)

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