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3R7X

Crystal Structure Analysis of a Quinazolinedione sulfonamide bound to human GluR2: A Novel Class of Competitive AMPA Receptor Antagonists with Oral Activity

Functional Information from GO Data
ChainGOidnamespacecontents
A0015276molecular_functionligand-gated monoatomic ion channel activity
A0016020cellular_componentmembrane
B0015276molecular_functionligand-gated monoatomic ion channel activity
B0016020cellular_componentmembrane
Functional Information from PDB Data
site_idAC1
Number of Residues12
DetailsBINDING SITE FOR RESIDUE QSN A 264
ChainResidue
AGLU13
AHOH278
AHOH349
AHOH458
ATYR16
ATYR61
APRO89
ALEU90
ATHR91
AARG96
ATHR174
ATYR220

site_idAC2
Number of Residues12
DetailsBINDING SITE FOR RESIDUE GLU B 264
ChainResidue
BTYR61
BPRO89
BLEU90
BTHR91
BARG96
BGLY141
BSER142
BTHR143
BGLU193
BTYR220
BHOH294
BHOH315

Functional Information from SwissProt/UniProt
site_idSWS_FT_FI1
Number of Residues8
DetailsBinding site: {"evidences":[{"source":"PubMed","id":"20614889","evidenceCode":"ECO:0000269"},{"source":"PDB","id":"2XHD","evidenceCode":"ECO:0007744"}]}
ChainResidueDetails

site_idSWS_FT_FI2
Number of Residues2
DetailsBinding site: {"evidences":[{"source":"PubMed","id":"20614889","evidenceCode":"ECO:0000269"},{"source":"PubMed","id":"21531559","evidenceCode":"ECO:0000269"},{"source":"PDB","id":"2XHD","evidenceCode":"ECO:0007744"},{"source":"PDB","id":"3R7X","evidenceCode":"ECO:0007744"}]}
ChainResidueDetails

site_idSWS_FT_FI3
Number of Residues2
DetailsBinding site: {"evidences":[{"source":"PubMed","id":"20614889","evidenceCode":"ECO:0000269"},{"source":"PubMed","id":"21531559","evidenceCode":"ECO:0000269"},{"source":"PDB","id":"2XHD","evidenceCode":"ECO:0007744"}]}
ChainResidueDetails

site_idSWS_FT_FI4
Number of Residues2
DetailsModified residue: {"description":"Phosphoserine; by PKC","evidences":[{"source":"UniProtKB","id":"P19491","evidenceCode":"ECO:0000250"}]}
ChainResidueDetails

site_idSWS_FT_FI5
Number of Residues2
DetailsModified residue: {"description":"Phosphoserine; by PKG","evidences":[{"source":"UniProtKB","id":"P19491","evidenceCode":"ECO:0000250"}]}
ChainResidueDetails

site_idSWS_FT_FI6
Number of Residues1
DetailsGlycosylation: {"description":"N-linked (GlcNAc...) asparagine","evidences":[{"evidenceCode":"ECO:0000255"}]}
ChainResidueDetails

250835

PDB entries from 2026-03-18

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