SubtiBank SubtiBank
yrvO
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yrvO

cysteine desulfurase, sulfur transfer to [protein|2F5DFBE980FFF5810B76BCFCD189BA0F6C415B4F|TrmU], involved in 2-thiouridine (s2U) modification of the wobble position in glutamate, glutamine and lysine tRNA molecules
locus
BSU_27510
pI
5.46
mw
41.03 kDa
protein length
379 aa Sequence Blast
gene length
1140 bp Sequence Blast
function
tRNA modification
product
cysteine desulfurase
essential
yes
ec
2.8.1.7
synonyms
nifS,iscS,iscS1

Genomic Context

      

categories

  • [category|SW 3|Information processing] → [category|SW 3.3|Protein synthesis, modification and degradation] → [category|SW 3.3.1|Translation] → [category|SW 3.3.1.8|tRNA modification and maturation]
  • [category|SW 6|Groups of genes] → [category|SW 6.1|Essential genes]
  • [category|SW 6|Groups of genes] → [category|SW 6.4|Phosphoproteins] → [category|SW 6.4.1|Phosphorylation on an Arg residue]
  • Gene

    Coordinates
    2,810,559 2,811,698

    Phenotypes of a mutant

  • essential [Pubmed|12682299]
  • The protein

    Catalyzed reaction/ biological activity

  • 2-thiouridine (s2U) modification of the wobble position in glutamate, glutamine and lysine tRNA molecules (together with [protein|2F5DFBE980FFF5810B76BCFCD189BA0F6C415B4F|TrmU]) [Pubmed|25825430]
  • [sulfur carrier]-H + L-cysteine --> [sulfur carrier]-SH + L-alanine (according to UniProt)
  • Protein family

  • [SW|Class-V pyridoxal-phosphate-dependent aminotransferase family] (according to UniProt)
  • Paralogous protein(s)

  • [protein|5424A936643C90B3DA2CB60FD0FD42A64F2BAF09|YcbU], [protein|741DCFFBB8FF6A4E357EE5110EBE24412DE34244|NifZ], [protein|88ACE6B79534338F7C72F107B35A0B2384007088|SufS], [protein|A6746AE1B92A0CDCCB22B57B6DF78094BB0223A8|NifS]
  • Modification

  • phosphorylated on Arg-385 [Pubmed|22517742]
  • [SW|Cofactors]

  • PLP
  • Structure

  • [PDB|1EG5] (from Thermotoga maritima, 37% identity, 54% similarity) [Pubmed|10715213]
  • Expression and Regulation

    Operons

    genes
    [gene|50930C56C27D22715620A350220E3C56ADB41020|cymR]-[gene|4F5945C3C8F18BD1B30D97CD516A06077C200B9D|yrvO]-[gene|2F5DFBE980FFF5810B76BCFCD189BA0F6C415B4F|trmU]-[gene|07DFF7D7BE1BACFB148F600400BDE5933BF1DD07|yrrB]-[gene|A3D05FE662CCCFE79B3CB38486206413B84E5D80|recD2]
    description
    [Pubmed|22383849]
    view in new tab

    genes
    [gene|50930C56C27D22715620A350220E3C56ADB41020|cymR]-[gene|4F5945C3C8F18BD1B30D97CD516A06077C200B9D|yrvO]-[gene|2F5DFBE980FFF5810B76BCFCD189BA0F6C415B4F|trmU]
    description
    [Pubmed|16885442]

    sigma factors

  • [protein|360F48D576DE950DF79C1A2677B7A35A8D8CC30C|SigA]: sigma factor, [Pubmed|16885442], in [regulon|360F48D576DE950DF79C1A2677B7A35A8D8CC30C|SigA regulon]
  • regulatory mechanism

  • [regulon|stringent response|stringent response]: negative regulation, in [regulon|stringent response|stringent response]
  • regulation

  • [protein|search|RelA] dependent downregulation (Class I) during stringent response [Pubmed|11948165]
  • view in new tab

    Biological materials

    Mutant

  • MGNA-A828 (yrvO::erm), available at the [https://shigen.nig.ac.jp/bsub/resource/strainGeneDisrupted/detail/828 NBRP B. subtilis, Japan]
  • References

  • 16885442,11948165,10715213,22517742,12682299,17064282,25825430