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2P2A

X-ray structure of the GluR2 ligand binding core (S1S2J) in complex with 2-Bn-tet-AMPA at 2.26A resolution

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 Residues6
DetailsBINDING SITE FOR RESIDUE SO4 A 901
ChainResidue
AASP136
ASER137
ALYS141
AARG145
AHOH957
AHOH1052

site_idAC2
Number of Residues7
DetailsBINDING SITE FOR RESIDUE SO4 B 902
ChainResidue
BARG145
BHOH917
BHOH992
BHOH1088
BASP136
BSER137
BLYS141

site_idAC3
Number of Residues4
DetailsBINDING SITE FOR RESIDUE SO4 A 903
ChainResidue
AARG145
ATRP156
AARG160
AHOH1116

site_idAC4
Number of Residues11
DetailsBINDING SITE FOR RESIDUE GLU A 801
ChainResidue
ATYR58
APRO86
ATHR88
AARG93
AGLY138
ASER139
ATHR140
AGLU190
AHOH909
AHOH951
AHOH1014

site_idAC5
Number of Residues17
DetailsBINDING SITE FOR RESIDUE MP9 B 802
ChainResidue
BSER11
BPRO12
BTYR13
BTYR58
BPRO86
BLEU87
BTHR88
BARG93
BGLY138
BSER139
BTHR140
BGLU190
BTHR192
BMET193
BTYR217
BHOH925
BHOH1032

Functional Information from SwissProt/UniProt
site_idSWS_FT_FI1
Number of Residues12
DetailsBINDING: BINDING => ECO:0000269|PubMed:11086992, ECO:0000269|PubMed:16483599, ECO:0007744|PDB:1FTJ, ECO:0007744|PDB:2CMO
ChainResidueDetails
APRO86
BSER139
BTHR140
BGLU190
ATHR88
AARG93
ASER139
ATHR140
AGLU190
BPRO86
BTHR88
BARG93

site_idSWS_FT_FI2
Number of Residues6
DetailsSITE: Interaction with the cone snail toxin Con-ikot-ikot => ECO:0000269|PubMed:25103405
ChainResidueDetails
AARG61
AARG145
ALYS237
BARG61
BARG145
BLYS237

site_idSWS_FT_FI3
Number of Residues2
DetailsSITE: Crucial to convey clamshell closure to channel opening => ECO:0000269|PubMed:25103405
ChainResidueDetails
AILE118
BILE118

site_idSWS_FT_FI4
Number of Residues2
DetailsMOD_RES: Phosphoserine; by PKC => ECO:0000269|PubMed:8848293
ChainResidueDetails
ASER147
BSER147

site_idSWS_FT_FI5
Number of Residues2
DetailsMOD_RES: Phosphoserine; by PKG => ECO:0000269|PubMed:8848293
ChainResidueDetails
ASER181
BSER181

site_idSWS_FT_FI6
Number of Residues2
DetailsCARBOHYD: N-linked (GlcNAc...) asparagine => ECO:0000255
ChainResidueDetails
AASN0
BASN0

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PDB entries from 2024-07-24

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