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5IKB

Crystal structure of the kainate receptor GluK4 ligand binding domain in complex with kainate

Functional Information from GO Data
ChainGOidnamespacecontents
A0015276molecular_functionligand-gated monoatomic ion channel activity
A0016020cellular_componentmembrane
Functional Information from PDB Data
site_idAC1
Number of Residues14
Detailsbinding site for residue KAI A 301
ChainResidue
AGLU13
ATHR173
AGLU190
AHOH470
AHOH482
AHOH504
ATYR61
AGLY88
ATHR90
AARG95
AILE137
AGLY140
ASER141
ASER142

site_idAC2
Number of Residues10
Detailsbinding site for residue GOL A 302
ChainResidue
AGLY62
AVAL63
APRO64
ATRP70
ATHR92
AARG95
AGLY139
ASER141
ATHR144
AHOH466

site_idAC3
Number of Residues4
Detailsbinding site for residue GOL A 303
ChainResidue
AALA44
AARG48
APHE49
AASN50

Functional Information from SwissProt/UniProt
site_idSWS_FT_FI1
Number of Residues6
DetailsBinding site: {"evidences":[{"source":"PubMed","id":"27524200","evidenceCode":"ECO:0000269"},{"source":"PDB","id":"5IKB","evidenceCode":"ECO:0007744"}]}
ChainResidueDetails

site_idSWS_FT_FI2
Number of Residues2
DetailsGlycosylation: {"description":"N-linked (GlcNAc...) asparagine","evidences":[{"evidenceCode":"ECO:0000255"}]}
ChainResidueDetails

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PDB entries from 2025-09-24

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