Csn

• Description: chitosanase
  
  

Gene name	csn
Synonyms
Essential	no
Product	chitosanase
Function	chitin degradation
Gene expression levels in SubtiExpress: csn
MW, pI	31 kDa, 8.892
Gene length, protein length	831 bp, 277 aa
Immediate neighbours	yraM, yraL
Sequences	Protein DNA DNA_with_flanks
Genetic context This image was kindly provided by SubtiList
Expression at a glance   PubMed

Categories containing this gene/protein

utilization of specific carbon sources

This gene is a member of the following regulons

AbrB regulon

The gene

Basic information

• Locus tag: BSU26890

Database entries

• DBTBS entry: no entry

• SubtiList entry: [1]

The protein

Basic information/ Evolution

• Catalyzed reaction/ biological activity: Endohydrolysis of beta-(1->4)-linkages between D-glucosamine residues in a partly acetylated chitosan (according to Swiss-Prot)

• Protein family: glycosyl hydrolase 46 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:
  • extracellular (signal peptide), major constituent of the secretome PubMed

Database entries

• Structure:

• UniProt: O07921

• KEGG entry: [2]

• E.C. number: 3.2.1.132

Expression and regulation

• Operon:

• Expression browser: csn PubMed

• Sigma factor:

• Regulation:

• Regulatory mechanism:
  • AbrB: transcription repression PubMed

• Additional information:

Biological materials

• Mutant:

• Expression vector:

• lacZ fusion:

• GFP fusion:

• two-hybrid system:

• Antibody: