Structure of PDB 2i4o Chain B Binding Site BS01

Receptor Information
>2i4o Chain B (length=441) Species: 1076 (Rhodopseudomonas palustris) [Search protein sequence] [Download receptor structure] [Download structure with residue number starting from 1] [View receptor structure]
GSHMRLSRFFLPILKENPKEAEIVSHRLMLRAGMLRQEAAGIYAWLPLGH
RVLKKIEQIVREEQNRAGAIELLMPTLQLADLWRESGRYDAYGPEMLRIA
DRHKRELLYGPTNEEMITEIFRAYIKSYKSLPLNLYHIQWKFRDEQRPRF
GVMRGREFLMKDAYSFDVDEAGARKSYNKMFVAYLRTFARMGLKAIPMRA
ETGPIGGDLSHEFIVLAETGESGVYIDRDVLNLPVPDENVDYDGDLTPII
KQWTSVYAATEDVHEPARYESEVPEANRLNTRGIEVGQIFYFGTKYSDSM
KANVTGPDGTDAPIHGGSYGVGVSRLLGAIIEACHDDNGIIWPEAVAPFR
VTILNLKQGDAATDAACDQLYRELSAKGVDVLYDDTDQRAGAKFATADLI
GIPWQIHVGPRGLAEGKVELKRRSDGARENLALADVVARLT
Ligand information
Ligand IDMG
InChIInChI=1S/Mg/q+2
InChIKeyJLVVSXFLKOJNIY-UHFFFAOYSA-N
SMILES
SoftwareSMILES
ACDLabs 10.04
OpenEye OEToolkits 1.5.0		[Mg+2]
CACTVS 3.341[Mg++]
FormulaMg
NameMAGNESIUM ION
ChEMBL
DrugBankDB01378
ZINC
PDB chain2i4o Chain B Residue 439 [Download ligand structure] [Download structure with residue number starting from 1] [View ligand structure]
Receptor-Ligand Complex Structure
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PDB2i4o Structures of Two Bacterial Prolyl-tRNA Synthetases with and without a cis-Editing Domain.
Resolution2.4 Å
Binding residue
(original residue number in PDB)		E282 Q285
Binding residue
(residue number reindexed from 1)		E285 Q288
Annotation score1
Enzymatic activity
Catalytic site (original residue number in PDB) E111 R140 M157 D159 Y161 I246 H312
Catalytic site (residue number reindexed from 1) E114 R143 M160 D162 Y164 I249 H315
Enzyme Commision number 6.1.1.15: proline--tRNA ligase.
Gene Ontology
Molecular Function
GO:0000166 nucleotide binding
GO:0004812 aminoacyl-tRNA ligase activity
GO:0004827 proline-tRNA ligase activity
GO:0005524 ATP binding
Biological Process
GO:0006412 translation
GO:0006418 tRNA aminoacylation for protein translation
GO:0006433 prolyl-tRNA aminoacylation
Cellular Component
GO:0005737 cytoplasm
GO:0005829 cytosol

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Molecular Function
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Biological Process
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Cellular Component
External links
PDB RCSB:2i4o, PDBe:2i4o, PDBj:2i4o
PDBsum2i4o
PubMed17027500
UniProtQ6N5P6|SYP_RHOPA Proline--tRNA ligase (Gene Name=proS)

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