Structure of PDB 1y7l Chain A

Receptor sequence
>1y7lA (length=310) Species: 727 (Haemophilus influenzae) [Search protein sequence]
AIYADNSYSIGNTPLVRLKHFGHNGNVVVKIEGRNPSYSVKCRIGANMVW
QAEKDGTLTKGKEIVDATSGNTGIALAYVAAARGYKITLTMPETMSLERK
RLLCGLGVNLVLTEGAKGMKGAIAKAEEIVASDPSRYVMLKQFENPANPQ
IHRETTGPEIWKDTDGKVDVVVAGVGTGGSITGISRAIKLDFGKQITSVA
VEPVESPVISQTLAGEEVKPGPHKIQGIGAGFIPKNLDLSIIDRVETVDS
DTALATARRLMAEEGILAGISSGAAVAAADRLAKLPEFADKLIVVILPSA
SERYLSTALF
3D structure
PDB1y7l The active site of O-acetylserine sulfhydrylase is the anchor point for bienzyme complex formation with serine acetyltransferase.
ChainA
Resolution1.55 Å
3D
structure
Catalytic site residues are labeled in the structure
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Enzymatic activity
Catalytic site (original residue number in PDB) K42 S272 P299
Catalytic site (residue number reindexed from 1) K41 S271 P298
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 peptide A X42 T69 S70 T73 M120 Q143 X41 T68 S69 T72 M119 Q142
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

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Cellular Component
External links
PDB RCSB:1y7l, PDBe:1y7l, PDBj:1y7l
PDBsum1y7l
PubMed15838047
UniProtP45040|CYSK_HAEIN Cysteine synthase (Gene Name=cysK)

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