LytC

• Description: N-acetylmuramoyl-L-alanine amidase, required for flagellar function PubMed
  
  

Gene name	lytC
Synonyms	cwlB
Essential	no
Product	N-acetylmuramoyl-L-alanine amidase (EC 3.5.1.28)
Function	major autolysin, cell separation, wall turnover lysis, motility and general cell lysis induced by sodium azide
MW, pI	52 kDa, 10.108
Gene length, protein length	1488 bp, 496 aa
Immediate neighbours	tuaA, lytB
Get the DNA and protein sequences (Barbe et al., 2009)
Genetic context This image was kindly provided by SubtiList

The gene

Basic information

• Locus tag: BSU35620

Phenotypes of a mutant

impaired in motility, the phenotype is suppressed by mutations in lonA or smiA PubMed

Database entries

• DBTBS entry: [1]

• SubtiList entry: [2]

Categories containing this gene/protein

cell wall degradation/ turnover, motility and chemotaxis

The protein

Basic information/ Evolution

• Catalyzed reaction/ biological activity: Hydrolyzes the link between N-acetylmuramoyl residues and L-amino acid residues in certain cell-wall glycopeptides (according to Swiss-Prot)

• Protein family: N-acetylmuramoyl-L-alanine amidase 3 family (according to Swiss-Prot)

• Paralogous protein(s):

Extended information on the protein

• Kinetic information:

• Domains:

• Modification:

• Cofactor(s):

• Effectors of protein activity:

• Interactions:

• Localization: secreted (according to Swiss-Prot)

Database entries

• Structure:

• UniProt: Q02114

• KEGG entry: [3]

• E.C. number: 3.5.1.28

Expression and regulation

• Operon: lytA-lytB-lytC PubMed

• Sigma factor: SigA PubMed, SigD PubMed

• Regulation:

• Regulatory mechanism:
  • LytR: transcription repression PubMed
  • YvrHb: transcription repression PubMed
  • SlrR (in complex with SinR: transcription repression PubMed

• Additional information:

Biological materials

• Mutant:

• Expression vector:

• lacZ fusion:

• GFP fusion:

• two-hybrid system:

• Antibody:

References

Yunrong Chai, Thomas Norman, Roberto Kolter, Richard Losick
An epigenetic switch governing daughter cell separation in Bacillus subtilis.
Genes Dev: 2010, 24(8);754-65
[PubMed:20351052] [WorldCat.org] [DOI] (I p)

Rui Chen, Sarah B Guttenplan, Kris M Blair, Daniel B Kearns
Role of the sigmaD-dependent autolysins in Bacillus subtilis population heterogeneity.
J Bacteriol: 2009, 191(18);5775-84
[PubMed:19542270] [WorldCat.org] [DOI] (I p)

Masakuni Serizawa, Keisuke Kodama, Hiroki Yamamoto, Kazuo Kobayashi, Naotake Ogasawara, Junichi Sekiguchi
Functional analysis of the YvrGHb two-component system of Bacillus subtilis: identification of the regulated genes by DNA microarray and northern blot analyses.
Biosci Biotechnol Biochem: 2005, 69(11);2155-69
[PubMed:16306698] [WorldCat.org] [DOI] (P p)

Hiroki Yamamoto, Shin-ichirou Kurosawa, Junichi Sekiguchi
Localization of the vegetative cell wall hydrolases LytC, LytE, and LytF on the Bacillus subtilis cell surface and stability of these enzymes to cell wall-bound or extracellular proteases.
J Bacteriol: 2003, 185(22);6666-77
[PubMed:14594841] [WorldCat.org] [DOI] (P p)

T Shida, H Hattori, F Ise, J Sekiguchi
Overexpression, purification, and characterization of Bacillus subtilis N-acetylmuramoyl-L-alanine amidase CwlC.
Biosci Biotechnol Biochem: 2000, 64(7);1522-5
[PubMed:10945275] [WorldCat.org] [DOI] (P p)

V Lazarevic, P Margot, B Soldo, D Karamata
Sequencing and analysis of the Bacillus subtilis lytRABC divergon: a regulatory unit encompassing the structural genes of the N-acetylmuramoyl-L-alanine amidase and its modifier.
J Gen Microbiol: 1992, 138(9);1949-61
[PubMed:1357079] [WorldCat.org] [DOI] (P p)