Structure of PDB 1oas Chain A

Receptor sequence
>1oasA (length=315) [Search protein sequence]
SKIYEDNSLTIGHTPLVRLNRIGNGRILAKVESRNPSFSVKCRIGANMIW
DAEKRGVLKPGVELVEPTNGNTGIALAYVAAARGYKLTLTMPETMSIERR
KLLKALGANLVLTEGAKGMKGAIQKAEEIVASDPQKYLLLQQFSNPANPE
IHEKTTGPEIWEDTDGQVDVFISGVGTGGTLTGVTRYIKGTKGKTDLITV
AVEPTDSPVIAQALAGEEIKPGPHKIQGIGAGFIPGNLDLKLIDKVVGIT
NEEAISTARRLMEEEGILAGISSGAAVAAALKLQEDESFTNKNIVVILPS
SGERYLSTALFADLF
3D structure
PDB1oas Three-dimensional structure of O-acetylserine sulfhydrylase from Salmonella typhimurium.
ChainA
Resolution2.2 Å
3D
structure
Catalytic site residues are labeled in the structure
[Spin on]
[Spin off]
[Reset orientation]

[High quality]
[Low quality]

[White background]
[Black background]

[Download]
[Download structure with residue number starting from 1]
Enzymatic activity
Catalytic site (original residue number in PDB) K41 G228 S272
Catalytic site (residue number reindexed from 1) K41 G228 S272
Enzyme Commision number 2.5.1.47: cysteine synthase.
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 K41 N71 G176 T177 G178 T180 G228 S272 P299 K41 N71 G176 T177 G178 T180 G228 S272 P299
Gene Ontology
Molecular Function
GO:0004124 cysteine synthase activity
GO:0016740 transferase activity
GO:0016765 transferase activity, transferring alkyl or aryl (other than methyl) groups
GO:0080146 L-cysteine desulfhydrase activity
Biological Process
GO:0006535 cysteine biosynthetic process from serine
GO:0019344 cysteine biosynthetic process
Cellular Component
GO:0005737 cytoplasm

View graph for
Molecular Function

View graph for
Biological Process

View graph for
Cellular Component
External links
PDB RCSB:1oas, PDBe:1oas, PDBj:1oas
PDBsum1oas
PubMed9761678
UniProtP0A1E3|CYSK_SALTY Cysteine synthase A (Gene Name=cysK)

[Back to BioLiP]