Structure of PDB 1jhm Chain A

Receptor sequence
>1jhmA (length=346) Species: 28901 (Salmonella enterica) [Search protein sequence]
LHALLRDIPAPDAEAMARTQQHIDGLLKPPGSLGRLETLAVQLAGMPGLN
GTPQVGEKAVLVMCADHGVWDEGVAVSPKIVTAIQAANMTRGTTGVCVLA
AQAGAKVHVIDVGIDAEPIPGVVNMRVARGCGNIAVGPAMSRLQAEALLL
EVSRYTCDLAQRGVTLFGVGELGMANTTPAAAMVSVFTGSDAKEVVGIGA
NLPPSRIDNKVDVVRRAIAINQPNPRDGIDVLSKVGGFDLVGMTGVMLGA
ARCGLPVLLDGFLSYSAALAACQIAPAVRPYLIPSHFSAEKGARIALAHL
SMEPYLHMAMRLGEGSGAALAMPIVEAACAMFHNMGELAASNIVLP
3D structure
PDB1jhm Structural investigation of the biosynthesis of alternative lower ligands for cobamides by nicotinate mononucleotide: 5,6-dimethylbenzimidazole phosphoribosyltransferase from Salmonella enterica.
ChainA
Resolution2.2 Å
3D
structure
Catalytic site residues are labeled in the structure
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Enzymatic activity
Catalytic site (original residue number in PDB) E174 E317
Catalytic site (residue number reindexed from 1) E171 E314
Enzyme Commision number 2.4.2.21: nicotinate-nucleotide--dimethylbenzimidazole phosphoribosyltransferase.
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 5MB A Q88 L175 L315 E317 Q85 L172 L312 E314
Gene Ontology
Molecular Function
GO:0000166 nucleotide binding
GO:0008939 nicotinate-nucleotide-dimethylbenzimidazole phosphoribosyltransferase activity
GO:0016757 glycosyltransferase activity
Biological Process
GO:0009236 cobalamin biosynthetic process

View graph for
Molecular Function

View graph for
Biological Process
External links
PDB RCSB:1jhm, PDBe:1jhm, PDBj:1jhm
PDBsum1jhm
PubMed11441022
UniProtQ05603|COBT_SALTY Nicotinate-nucleotide--dimethylbenzimidazole phosphoribosyltransferase (Gene Name=cobT)

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