Structure of PDB 4izg Chain B Binding Site BS01

Receptor Information
>4izg Chain B (length=369) Species: 318586 (Paracoccus denitrificans PD1222) [Search protein sequence] [Download receptor structure] [Download structure with residue number starting from 1] [View receptor structure]
MKIAEIHVYAHDLPVKDGPYTIASSTVWSLQTTLVKIVADSGLAGWGETC
PVGPTYAPSHALGARAALAEMAPGLIGANPLQPLVLRRRMDGLLCGHNYA
KAAIDIAAYDLMGKHYGVRVADLLGGVAAERVPSYYATGIGQPDEIARIA
AEKVAEGFPRLQIKIGGRPVEIDIETVRKVWERIRGTGTRLAVDGNRSLP
SRDALRLSRECPEIPFVLEQPCNTLEEIAAIRGRVQHGIYLDESGEDLST
VIRAAGQGLCDGFGMKLTRIGGLQQMAAFRDICEARALPHSCDDAWGGDI
IAAACTHIGATVQPRLNEGVWVAQPYIAQPYDEENGIRIAGGHIDLPKGP
GLGITPDESLFGPPVASFS
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 chain4izg Chain B Residue 417 [Download ligand structure] [Download structure with residue number starting from 1] [View ligand structure]
Receptor-Ligand Complex Structure
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PDB4izg Prediction and biochemical demonstration of a catabolic pathway for the osmoprotectant proline betaine.
Resolution1.7 Å
Binding residue
(original residue number in PDB)		D194 E219 D242
Binding residue
(residue number reindexed from 1)		D194 E219 D242
Annotation score1
Enzymatic activity
Catalytic site (original residue number in PDB) Y20 A137 Q162 K164 D194 N196 V217 E219 D242 E243 K266 D293 D294 A295 E318 G319 V320 W321
Catalytic site (residue number reindexed from 1) Y20 A137 Q162 K164 D194 N196 V217 E219 D242 E243 K266 D293 D294 A295 E318 G319 V320 W321
Enzyme Commision number 5.1.1.22: 4-hydroxyproline betaine 2-epimerase.
Gene Ontology
Molecular Function
GO:0016853 isomerase activity
GO:0016854 racemase and epimerase activity
GO:0016855 racemase and epimerase activity, acting on amino acids and derivatives
GO:0036361 racemase activity, acting on amino acids and derivatives
GO:0046872 metal ion binding
Biological Process
GO:0006579 amino-acid betaine catabolic process

View graph for
Molecular Function
View graph for
Biological Process
External links
PDB RCSB:4izg, PDBe:4izg, PDBj:4izg
PDBsum4izg
PubMed24520058
UniProtA1B198|HPBD_PARDP 4-hydroxyproline betaine 2-epimerase (Gene Name=hpbD)

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