GmuG

• Description: beta-1,4-mannanase
  
  

Gene name	gmuG
Synonyms	ydhT
Essential	no
Product	beta-1,4-mannanase
Function	glucomannan utilization
Metabolic function and regulation of this protein in SubtiPathways: Sugar catabolism
MW, pI	40 kDa, 5.628
Gene length, protein length	1086 bp, 362 aa
Immediate neighbours	gmuF, ydhU
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: BSU05880

Database entries

• DBTBS entry: [1]

• SubtiList entry: [2]

The protein

Basic information/ Evolution

• Catalyzed reaction/ biological activity: Random hydrolysis of (1->4)-beta-D-mannosidic linkages in mannans, galactomannans and glucomannans (according to Swiss-Prot)

• Protein family: glycosyl hydrolase 26 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), extracellular (signal peptide) PubMed

Database entries

• Structure: 2QHA, 3CBW mutant variant

• UniProt: O05512

• KEGG entry: [3]

• E.C. number: 3.2.1.78

Expression and regulation

• Operon: gmuB-gmuA-gmuC-gmuD-gmuR-gmuE-gmuF-gmuG PubMed

• Sigma factor: SigA PubMed

• Regulation:
  • induced by conjac glucomannan (requires GmuG) (GmuR) PubMed
  • induced by cellobiose (GmuR) PubMed
  • subject to carbon catabolite repression (CcpA) PubMed

• Regulatory mechanism:
  • GmuR: transcription repression PubMed
  • CcpA: transcription repression PubMed
  • AbrB: transcription activation PubMed

• Additional information:

Biological materials

• Mutant:

• Expression vector:

• lacZ fusion:

• GFP fusion:

• two-hybrid system:

• Antibody: