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4L17

GluA2-L483Y-A665C ligand-binding domain in complex with the antagonist DNQX

Functional Information from GO Data
ChainGOidnamespacecontents
A0015276molecular_functionligand-gated monoatomic ion channel activity
A0016020cellular_componentmembrane
C0015276molecular_functionligand-gated monoatomic ion channel activity
C0016020cellular_componentmembrane
E0015276molecular_functionligand-gated monoatomic ion channel activity
E0016020cellular_componentmembrane
G0015276molecular_functionligand-gated monoatomic ion channel activity
G0016020cellular_componentmembrane
Functional Information from PDB Data
site_idAC1
Number of Residues12
DetailsBINDING SITE FOR RESIDUE DNQ A 301
ChainResidue
ATYR16
ATYR220
AHOH424
AHOH439
ATYR61
APRO89
ALEU90
ATHR91
AARG96
ATHR174
AGLU193
AMET196

site_idAC2
Number of Residues3
DetailsBINDING SITE FOR RESIDUE SO4 A 302
ChainResidue
AARG31
ALYS52
ALEU53

site_idAC3
Number of Residues9
DetailsBINDING SITE FOR RESIDUE DNQ C 301
ChainResidue
CTYR16
CTYR61
CPRO89
CLEU90
CTHR91
CARG96
CTHR174
CMET196
CTYR220

site_idAC4
Number of Residues2
DetailsBINDING SITE FOR RESIDUE SO4 C 302
ChainResidue
CARG64
CLYS69

site_idAC5
Number of Residues11
DetailsBINDING SITE FOR RESIDUE DNQ E 301
ChainResidue
ETYR16
ETYR61
EPRO89
ELEU90
ETHR91
EARG96
ETHR174
EGLU193
ETHR195
EMET196
ETYR220

site_idAC6
Number of Residues3
DetailsBINDING SITE FOR RESIDUE SO4 E 302
ChainResidue
AARG172
EARG31
EHOH413

site_idAC7
Number of Residues10
DetailsBINDING SITE FOR RESIDUE DNQ G 301
ChainResidue
GTYR16
GTYR61
GPRO89
GLEU90
GTHR91
GARG96
GGLU193
GTHR195
GMET196
GTYR220

Functional Information from SwissProt/UniProt
site_idSWS_FT_FI1
Number of Residues24
DetailsBinding site: {"evidences":[{"source":"PubMed","id":"11086992","evidenceCode":"ECO:0000269"},{"source":"PubMed","id":"16483599","evidenceCode":"ECO:0000269"},{"source":"PDB","id":"1FTJ","evidenceCode":"ECO:0007744"},{"source":"PDB","id":"2CMO","evidenceCode":"ECO:0007744"}]}
ChainResidueDetails

site_idSWS_FT_FI2
Number of Residues12
DetailsSite: {"description":"Interaction with the cone snail toxin Con-ikot-ikot","evidences":[{"source":"PubMed","id":"25103405","evidenceCode":"ECO:0000269"}]}
ChainResidueDetails

site_idSWS_FT_FI3
Number of Residues4
DetailsSite: {"description":"Crucial to convey clamshell closure to channel opening","evidences":[{"source":"PubMed","id":"25103405","evidenceCode":"ECO:0000269"}]}
ChainResidueDetails

site_idSWS_FT_FI4
Number of Residues4
DetailsModified residue: {"description":"Phosphoserine; by PKC","evidences":[{"source":"PubMed","id":"8848293","evidenceCode":"ECO:0000269"}]}
ChainResidueDetails

site_idSWS_FT_FI5
Number of Residues4
DetailsModified residue: {"description":"Phosphoserine; by PKG","evidences":[{"source":"PubMed","id":"8848293","evidenceCode":"ECO:0000269"}]}
ChainResidueDetails

site_idSWS_FT_FI6
Number of Residues2
DetailsGlycosylation: {"description":"N-linked (GlcNAc...) asparagine","evidences":[{"evidenceCode":"ECO:0000255"}]}
ChainResidueDetails

242842

PDB entries from 2025-10-08

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