Structure of PDB 4f31 Chain D Binding Site BS01

Receptor Information
>4f31 Chain D (length=258) Species: 10116 (Rattus norvegicus) [Search protein sequence] [Download receptor structure] [Download structure with residue number starting from 1] [View receptor structure]
RTIVVTTILESPYVMYKKNHEQLEGNERYEGYCVDLAYEIAKHVRIKYKL
SIVGDGKYGARDPETKIWNGMVGELVYGRADIAVAPLTITLVREEVIDFS
KPFMSLGISIMIKKGTPIESAEDLAKQTEIAYGTLASGSTKEFFRRSKIA
VYEKMWSYMKSAEPSVFTKTTADGVARVRKSKGKFAFLLESTMNEYIEQR
KPCDTMKVGGNLDSKGYGVATPKGSALGNAVNLAVLKLNEQGLLDKLKNK
WWYDKGEC
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 chain4f31 Chain D Residue 301 [Download ligand structure] [Download structure with residue number starting from 1] [View ligand structure]
Receptor-Ligand Complex Structure
Global viewLocal viewStructure summary

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PDB4f31 The loss of an electrostatic contact unique to AMPA receptor ligand binding domain 2 slows channel activation.
Resolution2.286 Å
Binding residue
(original residue number in PDB)		Y61 P89 L90 T91 R96 G141 S142 T143 E193 M196
Binding residue
(residue number reindexed from 1)		Y58 P86 L87 T88 R93 G138 S139 T140 E190 M193
Annotation score1
Binding affinityMOAD: Ki=2.08uM
BindingDB: EC50=40000nM,Ki=5780nM
Enzymatic activity
Enzyme Commision number ?
Gene Ontology
Molecular Function
GO:0015276 ligand-gated monoatomic ion channel activity
Cellular Component
GO:0016020 membrane

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Molecular Function
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Cellular Component
External links
PDB RCSB:4f31, PDBe:4f31, PDBj:4f31
PDBsum4f31
PubMed22512472
UniProtP19492|GRIA3_RAT Glutamate receptor 3 (Gene Name=Gria3)

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