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4IGR

Crystal structure of the kainate receptor GluK3 ligand-binding domain in complex with the agonist ZA302

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 3ZA A 901
ChainResidue
AGLU443
AGLU739
ATHR742
ATYR765
AHOH1047
AHOH1048
ATYR491
APRO518
ATHR520
AARG525
AGLY690
AALA691
ATHR692
AASN722

site_idAC2
Number of Residues6
DetailsBINDING SITE FOR RESIDUE K A 902
ChainResidue
AASN433
AASN433
ASER480
ASER480
AHOH1005
AHOH1005

site_idAC3
Number of Residues2
DetailsBINDING SITE FOR RESIDUE K A 903
ChainResidue
ASER452
AARG454

site_idAC4
Number of Residues2
DetailsBINDING SITE FOR RESIDUE CL A 904
ChainResidue
AARG461
ALEU485

site_idAC5
Number of Residues2
DetailsBINDING SITE FOR RESIDUE PO4 A 905
ChainResidue
AHIS523
AHIS523

Functional Information from SwissProt/UniProt
site_idSWS_FT_FI1
Number of Residues6
DetailsBinding site: {"evidences":[{"source":"PubMed","id":"21907808","evidenceCode":"ECO:0000269"},{"source":"PDB","id":"3S9E","evidenceCode":"ECO:0007744"}]}
ChainResidueDetails

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

238895

PDB entries from 2025-07-16

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