Structure of PDB 3rsb Chain A

Receptor sequence
>3rsbA (length=177) Species: 2190 (Methanocaldococcus jannaschii) [Search protein sequence]
MDALIMATRMGGVEKPLIKLCGRCLIDYVVSPLLKSKVNNIFIATSPNTP
KTKEYINSAYKDYKNIVVIEDLNECIGYFSEPFLVVSSDLINLKSKIINS
IVDYFYCIKAKTPEALAVMIPKEKYPNPSIDFNGLVPADINVVSPKHGYQ
KEEIMVIDELIFNINTKDDLKLAEMLL
3D structure
PDB3rsb Structure and Mutational Analysis of the Archaeal GTP:AdoCbi-P Guanylyltransferase (CobY) from Methanocaldococcus jannaschii: Insights into GTP Binding and Dimerization.
ChainA
Resolution2.8 Å
3D
structure
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Enzymatic activity
Enzyme Commision number 2.7.7.62: adenosylcobinamide-phosphate guanylyltransferase.
Interaction with ligand
Site
#		 Ligand Ligand
chain		 Binding residues on receptor
(original residue number in PDB)		 Binding residues on receptor
(residue number reindexed from 1)		 Binding affinity
BS01 GTP A M6 A7 T12 R13 S50 E82 S99 M6 A7 T8 R9 S46 E70 S87 PDBbind-CN: -logKd/Ki=6.40,Kd=0.4uM
Gene Ontology
Molecular Function
GO:0005525 GTP binding
GO:0008820 cobinamide phosphate guanylyltransferase activity
GO:0016779 nucleotidyltransferase activity
GO:0043752 adenosylcobinamide kinase activity
Biological Process
GO:0009236 cobalamin biosynthetic process

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Molecular Function
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Biological Process
External links
PDB RCSB:3rsb, PDBe:3rsb, PDBj:3rsb
PDBsum3rsb
PubMed21542645
UniProtQ58517|COBY_METJA Adenosylcobinamide-phosphate guanylyltransferase (Gene Name=cobY)

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