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mccA [2018-04-08 17:14:13]
O-acetylserine-thiol-lyase
function
methionine-to-cysteine conversion
product
O-acetylserine-thiol-lyase
Genomic Context
categories
[category|SW 2|Metabolism] → [category|SW 2.3|Amino acid/ nitrogen metabolism] → [category|SW 2.3.1|Biosynthesis/ acquisition of amino acids] → [category|SW 2.3.1.9|Biosynthesis/ acquisition of cysteine]Gene
Coordinates
2,786,142 → 2,787,065
The protein
Catalyzed reaction/ biological activity
O(3)-acetyl-L-serine + L-homocysteine = L-cystathionine + acetate (according to Swiss-Prot)Protein family
cysteine synthase/cystathionine beta-synthase family (according to Swiss-Prot)Structure
[PDB|4QL4] (from B. anthracis, 63% identity)Expression and Regulation
Operons
genes
[gene|992A24CF9492965BF0E9EEFBB6F0A06871275068|yrrT]-[gene|5B21D1E73A65B13CE4DDA32ABC71EFA54E8D1D8F|mtnN]-[gene|F195C47849F4F6B4C56E3A386F5D8C84326B01C4|mccA]-[gene|314CB4923D15140E72B0ABAFE3E8BE9CA7310E10|mccB]-[gene|177EFFDCA6E3C3BB840EED13D9F2D71F99B833B6|yrhC]
description
[Pubmed|17056751]
sigma factors
[protein|360F48D576DE950DF79C1A2677B7A35A8D8CC30C|SigA]: sigma factor, [Pubmed|16513748], in [regulon|360F48D576DE950DF79C1A2677B7A35A8D8CC30C|SigA regulon]regulatory mechanism
[protein|50930C56C27D22715620A350220E3C56ADB41020|CymR]: repression, [Pubmed|16513748], in [regulon|50930C56C27D22715620A350220E3C56ADB41020|CymR regulon][protein|2C6386E9A63F410558D168798D077DF91590F454|Spx]: activation, [Pubmed|12642660,16885442], in [regulon|2C6386E9A63F410558D168798D077DF91590F454|Spx regulon]regulation
repressed in the presence of cysteine ([protein|search|CymR]) [Pubmed|16513748]view in new tabBiological materials
Mutant
MGNA-A849 (yrhA::erm), available at the [https://shigen.nig.ac.jp/bsub/resource/strainGeneDisrupted/detail/849 NBRP B. subtilis, Japan]1A945 ( ''mccA''::''kan''), [Pubmed|17056751], available at [http://pasture.asc.ohio-state.edu/BGSC/getdetail.cfm?bgscid=1A945&Search=1A945 BGSC]BKE27260 (Δ[gene|F195C47849F4F6B4C56E3A386F5D8C84326B01C4|mccA]::erm trpC2) available at [http://www.bgsc.org/getdetail.php?bgscid=BKE27260 BGSC], [Pubmed|28189581], upstream reverse: _UP1_CATATATGTCCTCCTCCTTA, downstream forward: _UP4_CAAATATACGAAGGAGGCATBKK27260 (Δ[gene|F195C47849F4F6B4C56E3A386F5D8C84326B01C4|mccA]::kan trpC2) available at [http://www.bgsc.org/getdetail.php?bgscid=BKK27260 BGSC], [Pubmed|28189581], upstream reverse: _UP1_CATATATGTCCTCCTCCTTA, downstream forward: _UP4_CAAATATACGAAGGAGGCATReferences
17056751,16513748,16885442,12642660