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4U21

GluA2flip sLBD complexed with FW and (R,R)-2b crystal form E

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 Residues16
Detailsbinding site for residue FWD A 401
ChainResidue
ATYR61
ATHR174
ALEU192
AGLU193
AMET196
AHOH587
AHOH620
AHOH623
APRO89
ALEU90
ATHR91
AARG96
ALEU138
AGLY141
ASER142
ATHR143

site_idAC2
Number of Residues16
Detailsbinding site for residue FWD B 401
ChainResidue
BTYR61
BPRO89
BLEU90
BTHR91
BARG96
BLEU138
BGLY141
BSER142
BTHR143
BTHR174
BLEU192
BGLU193
BMET196
BHOH623
BHOH632
BHOH635

site_idAC3
Number of Residues15
Detailsbinding site for residue FWF B 402
ChainResidue
AILE92
ALYS104
APRO105
AMET107
ASER108
ASER217
ALYS218
AGLY219
BILE92
BLYS104
BPRO105
BMET107
BSER217
BLYS218
BGLY219

Functional Information from SwissProt/UniProt
site_idSWS_FT_FI1
Number of Residues12
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 Residues6
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 Residues2
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 Residues2
DetailsModified residue: {"description":"Phosphoserine; by PKC","evidences":[{"source":"PubMed","id":"8848293","evidenceCode":"ECO:0000269"}]}
ChainResidueDetails

site_idSWS_FT_FI5
Number of Residues2
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

248636

PDB entries from 2026-02-04

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