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1NNP

X-ray structure of the GluR2 ligand-binding core (S1S2J) in complex with (S)-ATPA at 1.9 A resolution. Crystallization without zinc ions.

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 Residues7
DetailsBINDING SITE FOR RESIDUE SO4 B 1006
ChainResidue
BASP136
BSER137
BLYS141
BARG145
BHOH1027
BHOH1172
BHOH1211

site_idAC2
Number of Residues6
DetailsBINDING SITE FOR RESIDUE SO4 A 1007
ChainResidue
AARG145
AHOH1051
AHOH1066
AHOH1103
ASER137
ALYS141

site_idAC3
Number of Residues15
DetailsBINDING SITE FOR RESIDUE CE2 A 1008
ChainResidue
AGLU10
ATYR58
APRO86
ALEU87
ATHR88
AARG93
AGLY138
ASER139
ATHR140
ATHR171
AGLU190
AMET193
ATYR217
AHOH1038
AHOH1056

site_idAC4
Number of Residues15
DetailsBINDING SITE FOR RESIDUE CE2 B 1007
ChainResidue
BGLU10
BTYR58
BPRO86
BLEU87
BTHR88
BARG93
BGLY138
BSER139
BTHR140
BTHR171
BGLU190
BMET193
BHOH1023
BHOH1091
BHOH1242

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

246031

PDB entries from 2025-12-10

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