Structure of PDB 4pb3 Chain A

Receptor sequence
>4pb3A (length=379) Species: 518882 (Delftia sp. HT23) [Search protein sequence]
QDTLLTLDTPAAVIDLDRMQRNIARMQQRMDAQGVRLRPHVKTSKSVPVA
AAQRAAGASGITVSTLKEAEQFFAAGTTDILYAVSMAPHRLPQALQLRRR
GCDLKLIVDSVAAAQAIAAFGREQGEAFEVWIEIDTDGHRSGVGADDTPL
LLAIGRTLHDGGMRLGGVLTHAGSSYELDTPEALQALAERERAGCVQAAE
ALRAAGLPCPVVSVGSTPTALAASRLDGVTEVRAGVYVFFDLVMRNIGVC
AAEDVALSVLATVIGHQADKGWAIVDAGWMAMSRDRGTARQKQDFGYGQV
CDLQGRVMPGFVLTGANQEHGILARADGAAEADIATRFPLGTRLRILPNA
ACATGAQFPAYQALAADGSVQTWERLHGW
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.
ChainA
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 A H41 K43 R141 H172 Y177 S217 T218 R234 A235 G236 H40 K42 R140 H171 Y176 S216 T217 R233 A234 G235
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

View graph for
Molecular Function

View graph for
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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