Structure of PDB 4pb3 Chain B

Receptor sequence
>4pb3B (length=389) Species: 518882 (Delftia sp. HT23) [Search protein sequence]
HHHHHHAMSMQDTLLTLDTPAAVIDLDRMQRNIARMQQRMDAQGVRLRPH
VKTSKSVPVAAAQRAAGASGITVSTLKEAEQFFAAGTTDILYAVSMAPHR
LPQALQLRRRGCDLKLIVDSVAAAQAIAAFGREQGEAFEVWIEIDTDGHR
SGVGADDTPLLLAIGRTLHDGGMRLGGVLTHAGSSYELDTPEALQALAER
ERAGCVQAAEALRAAGLPCPVVSVGSTPTALAASRLDGVTEVRAGVYVFF
DLVMRNIGVCAAEDVALSVLATVIGHQADKGWAIVDAGWMAMSRDRGTAR
QKQDFGYGQVCDLQGRVMPGFVLTGANQEHGILARADGAAEADIATRFPL
GTRLRILPNAACATGAQFPAYQALAADGSVQTWERLHGW
3D structure
PDB4pb3 Structural insights into the substrate stereospecificity of D-threo-3-hydroxyaspartate dehydratase from Delftia sp. HT23: a useful enzyme for the synthesis of optically pure L-threo- and D-erythro-3-hydroxyaspartate.
ChainB
Resolution1.7 Å
3D
structure
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Enzymatic activity
Enzyme Commision number 4.3.1.27: threo-3-hydroxy-D-aspartate ammonia-lyase.
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 PLP B H41 K43 R141 H172 Y177 S217 T218 R234 A235 G236 H50 K52 R150 H181 Y186 S226 T227 R243 A244 G245
Gene Ontology
Molecular Function
GO:0008721 D-serine ammonia-lyase activity
GO:0016829 lyase activity
GO:0016841 ammonia-lyase activity
GO:0030170 pyridoxal phosphate binding
Biological Process
GO:0036088 D-serine catabolic process

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Molecular Function
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Biological Process
External links
PDB RCSB:4pb3, PDBe:4pb3, PDBj:4pb3
PDBsum4pb3
PubMed25715785
UniProtB2DFG5|DTHAD_DELSH D-threo-3-hydroxyaspartate dehydratase (Gene Name=dthadh)

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