Structure of PDB 3c31 Chain A Binding Site BS01

Receptor Information
>3c31 Chain A (length=254) Species: 10116 (Rattus norvegicus) [Search protein sequence] [Download receptor structure] [Download structure with residue number starting from 1] [View receptor structure]
RTLIVTTILEEPYVMYRKSDKPLYGNDRFEGYCLDLLKELSNILGFLYDV
KLVPDGKYGAQNDKGEWNGMVKELIDHRADLAVAPLTITYVREKVIDFSK
PFMTLGISILYRKGTPIDSADDLAKQTKIEYGAVRDGSTMTFFKKSKIST
YEKMWAFMSSRQQSALVKNSDEGIQRVLTTDYALLMESTSIEYVTQRNCN
LTQIGGLIDSKGYGVGTPIGSPYRDKITIAILQLQEEGKLHMMKEKWWRG
NGCP
Ligand information
Ligand IDKAI
InChIInChI=1S/C10H15NO4/c1-5(2)7-4-11-9(10(14)15)6(7)3-8(12)13/h6-7,9,11H,1,3-4H2,2H3,(H,12,13)(H,14,15)/t6-,7+,9-/m0/s1
InChIKeyVLSMHEGGTFMBBZ-OOZYFLPDSA-N
SMILES
SoftwareSMILES
OpenEye OEToolkits 1.5.0CC(=C)C1CNC(C1CC(=O)O)C(=O)O
CACTVS 3.341CC(=C)[CH]1CN[CH]([CH]1CC(O)=O)C(O)=O
ACDLabs 10.04O=C(O)C1NCC(\C(=C)C)C1CC(=O)O
OpenEye OEToolkits 1.5.0CC(=C)[C@H]1CN[C@@H]([C@H]1CC(=O)O)C(=O)O
CACTVS 3.341CC(=C)[C@H]1CN[C@@H]([C@H]1CC(O)=O)C(O)=O
FormulaC10 H15 N O4
Name3-(CARBOXYMETHYL)-4-ISOPROPENYLPROLINE;
KAINATE
ChEMBLCHEMBL275040
DrugBank
ZINCZINC000003995575
PDB chain3c31 Chain A Residue 401 [Download ligand structure] [Download structure with residue number starting from 1] [View ligand structure]
Receptor-Ligand Complex Structure
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PDB3c31 Molecular basis of kainate receptor modulation by sodium.
Resolution1.49 Å
Binding residue
(original residue number in PDB)		E13 Y61 P88 T90 R95 G140 S141 T142 E190
Binding residue
(residue number reindexed from 1)		E10 Y58 P85 T87 R92 G137 S138 T139 E187
Annotation score1
Binding affinityBindingDB: IC50=77nM,Ki=75.9nM,EC50=37000nM
Enzymatic activity
Enzyme Commision number ?
Gene Ontology
Molecular Function
GO:0015276 ligand-gated monoatomic ion channel activity
Cellular Component
GO:0016020 membrane

View graph for
Molecular Function
View graph for
Cellular Component
External links
PDB RCSB:3c31, PDBe:3c31, PDBj:3c31
PDBsum3c31
PubMed18549784
UniProtP22756|GRIK1_RAT Glutamate receptor ionotropic, kainate 1 (Gene Name=Grik1)

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