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3BKI

Crystal Structure of the GluR2 ligand binding core (S1S2J) in complex with FQX at 1.87 Angstroms

Functional Information from GO Data
ChainGOidnamespacecontents
B0015276molecular_functionligand-gated monoatomic ion channel activity
B0016020cellular_componentmembrane
C0015276molecular_functionligand-gated monoatomic ion channel activity
C0016020cellular_componentmembrane
D0015276molecular_functionligand-gated monoatomic ion channel activity
D0016020cellular_componentmembrane
P0015276molecular_functionligand-gated monoatomic ion channel activity
P0016020cellular_componentmembrane
Functional Information from PDB Data
site_idAC1
Number of Residues10
DetailsBINDING SITE FOR RESIDUE FQX P 264
ChainResidue
PTYR16
PHOH476
PTYR61
PPRO89
PLEU90
PTHR91
PARG96
PMET196
PTYR220
PHOH420

site_idAC2
Number of Residues13
DetailsBINDING SITE FOR RESIDUE FQX B 264
ChainResidue
BTYR16
BTYR61
BPRO89
BLEU90
BTHR91
BARG96
BGLU193
BMET196
BTYR220
BHOH341
BHOH361
BHOH362
BHOH381

site_idAC3
Number of Residues12
DetailsBINDING SITE FOR RESIDUE FQX C 264
ChainResidue
CTYR16
CTYR61
CPRO89
CLEU90
CTHR91
CARG96
CGLU193
CMET196
CTYR220
CHOH292
CHOH309
CHOH438

site_idAC4
Number of Residues12
DetailsBINDING SITE FOR RESIDUE FQX D 264
ChainResidue
DTYR16
DTYR61
DPRO89
DLEU90
DTHR91
DARG96
DGLU193
DMET196
DTYR220
DHOH359
DHOH378
DHOH480

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

245663

PDB entries from 2025-12-03

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