Structure of PDB 2rus Chain A Binding Site BS01

Receptor Information
>2rus Chain A (length=437) Species: 1085 (Rhodospirillum rubrum) [Search protein sequence] [Download receptor structure] [Download structure with residue number starting from 1] [View receptor structure]
DQSSRYVNLALKEEDLIAGGEHVLCAYIMKPKAGYGYVATAAHFAAESST
GTNTRGVDALVYEVDEARELTKIAYPVALFDRNITDGKAMIASFLTLTMG
NNQGMGDVEYAKMHDFYVPEAYRALFDGPSVNISALWKVLGRPEVDGGLV
VGTIIKPKLGLRPKPFAEACHAFWLGGDFIKNDEPQGNQPFAPLRDTIAL
VADAMRRAQDETGEAKLFSANITADDPFEIIARGEYVLETFGENASHVAL
LVDGYVAGAAAITTARRRFPDNFLHYHRAGHGAVTSPQSKRGYTAFVHCK
MARLQGASGIHTGTSDRAIAYMLTQDEAQGPFYRQSWGGMKACTPIISGG
MNALRMPGFFENLGNANVILTAGGGAFGHIDGPVAGARSLRQAWQAWRDG
VPVLDYAREHKELARAFESFPGDADQIYPGWRKALGV
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 chain2rus Chain A Residue 500 [Download ligand structure] [Download structure with residue number starting from 1] [View ligand structure]
Receptor-Ligand Complex Structure
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PDB2rus Crystal structure of the ternary complex of ribulose-1,5-bisphosphate carboxylase, Mg(II), and activator CO2 at 2.3-A resolution.
Resolution2.3 Å
Binding residue
(original residue number in PDB)		D193 E194
Binding residue
(residue number reindexed from 1)		D183 E184
Annotation score1
Enzymatic activity
Catalytic site (original residue number in PDB) K166 K191 N192 D193 E194 H287 H321
Catalytic site (residue number reindexed from 1) K156 K181 N182 D183 E184 H277 H311
Enzyme Commision number 4.1.1.39: ribulose-bisphosphate carboxylase.
Gene Ontology
Molecular Function
GO:0000287 magnesium ion binding
GO:0004497 monooxygenase activity
GO:0016829 lyase activity
GO:0016984 ribulose-bisphosphate carboxylase activity
GO:0046872 metal ion binding
Biological Process
GO:0015977 carbon fixation
GO:0015979 photosynthesis
GO:0019253 reductive pentose-phosphate cycle

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Molecular Function
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Biological Process
External links
PDB RCSB:2rus, PDBe:2rus, PDBj:2rus
PDBsum2rus
PubMed1899197
UniProtP04718|RBL2_RHORU Ribulose bisphosphate carboxylase (Gene Name=cbbM)

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