NCBI Accession #
NP_001189745.1
NCBI GenBank Nucleotide #
NM_001202816.1
NCBI Official Full Name
O-acetylserine (thiol) lyase B
NCBI Official Symbol
OASB
NCBI Official Synonym Symbols
ACS1; ARABIDOPSIS CYSTEINE SYNTHASE 1; ARABIDOPSIS CYSTEINE SYNTHASE 1; ARABIDOPSIS THALIANA CYSTEIN SYNTHASE-B; ATCS-B; CHLOROPLAST O-ACETYLSERINE SULFHYDRYLASE 1; CPACS1; CSASE B; CYSTEINE SYNTHASE; F18O19.14; O-acetylserine (thiol) lyase B
NCBI Protein Information
O-acetylserine (thiol) lyase B
NCBI Summary
Arabidopsis thaliana O-acetylserine (thiol) lyase (OAS-TL) isoform oasB, the key enzyme for fixation of inorganic sulfide. It catalyzes the formation of cysteine from O-acetylserine and inorganic sulfide. Required for pollen tube growth and/or fertilization.
UniProt Synonym Gene Names
ARAth-Bsas2;1; AtCS-B; CS-B
UniProt Protein Name
Cysteine synthase, chloroplastic/chromoplastic
UniProt Synonym Protein Names
At.OAS.7-4; Beta-substituted Ala synthase 2;1; ARAth-Bsas2;1; CSase B; AtCS-B; CS-B; O-acetylserine (thiol)-lyase; O-acetylserine sulfhydrylase; OAS-TL B; cpACS1
UniProt Primary Accession #
P47999
UniProt Secondary Accession #
O22828; Q42568
UniProt Related Accession #
P47999
UniProt Comments
Acts as a major cysteine synthase.