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4E0X

Crystal structure of the kainate receptor GluK1 ligand-binding domain in complex with kainate in the absence of glycerol

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 Residues14
DetailsBINDING SITE FOR RESIDUE KAI A 301
ChainResidue
AGLU13
ASER173
AGLU190
AHOH404
AHOH406
AHOH413
ATYR61
APRO88
ALEU89
ATHR90
AARG95
AGLY140
ASER141
ATHR142

site_idAC2
Number of Residues4
DetailsBINDING SITE FOR RESIDUE SO4 A 302
ChainResidue
AARG20
ASER22
BLYS147
BTRP158

site_idAC3
Number of Residues5
DetailsBINDING SITE FOR RESIDUE SO4 A 303
ChainResidue
AARG31
AHOH474
AHOH563
AHOH607
AHOH619

site_idAC4
Number of Residues4
DetailsBINDING SITE FOR RESIDUE CL A 305
ChainResidue
ALYS103
AHOH500
BLYS103
BHOH483

site_idAC5
Number of Residues12
DetailsBINDING SITE FOR RESIDUE KAI B 301
ChainResidue
BGLU13
BTYR61
BPRO88
BTHR90
BARG95
BGLY140
BSER141
BTHR142
BGLU190
BHOH405
BHOH408
BHOH416

site_idAC6
Number of Residues6
DetailsBINDING SITE FOR RESIDUE SO4 B 302
ChainResidue
AGLN165
AHOH598
BARG20
BSER22
BLYS24
BHOH615

site_idAC7
Number of Residues8
DetailsBINDING SITE FOR RESIDUE SO4 B 303
ChainResidue
AHOH468
BARG31
BVAL53
BLYS54
BHOH472
BHOH504
BHOH596
BHOH634

site_idAC8
Number of Residues5
DetailsBINDING SITE FOR RESIDUE SO4 B 304
ChainResidue
ALYS116
BARG4
BHIS80
BPRO225
BHOH559

site_idAC9
Number of Residues4
DetailsBINDING SITE FOR RESIDUE SO4 B 305
ChainResidue
ALYS60
ALYS171
BLYS171
BHOH629

site_idBC1
Number of Residues1
DetailsBINDING SITE FOR RESIDUE CL B 306
ChainResidue
BARG164

Functional Information from SwissProt/UniProt
site_idSWS_FT_FI1
Number of Residues8
DetailsBinding site: {"evidences":[{"source":"PubMed","id":"15710405","evidenceCode":"ECO:0000269"},{"source":"PDB","id":"1YCJ","evidenceCode":"ECO:0007744"}]}
ChainResidueDetails

site_idSWS_FT_FI2
Number of Residues4
DetailsBinding site: {"evidences":[{"source":"PubMed","id":"15710405","evidenceCode":"ECO:0000269"},{"source":"PubMed","id":"15721240","evidenceCode":"ECO:0000269"},{"source":"PDB","id":"1YCJ","evidenceCode":"ECO:0007744"}]}
ChainResidueDetails

site_idSWS_FT_FI3
Number of Residues2
DetailsModified residue: {"description":"Phosphoserine; by PKC","evidences":[{"evidenceCode":"ECO:0000255"}]}
ChainResidueDetails

site_idSWS_FT_FI4
Number of Residues2
DetailsModified residue: {"description":"Phosphothreonine; by PKC","evidences":[{"evidenceCode":"ECO:0000255"}]}
ChainResidueDetails

site_idSWS_FT_FI5
Number of Residues2
DetailsGlycosylation: {"description":"N-linked (GlcNAc...) asparagine","evidences":[{"evidenceCode":"ECO:0000255"}]}
ChainResidueDetails

245011

PDB entries from 2025-11-19

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