chitin degradation II (Vibrio)

Hunt DE, Gevers D, Vahora NM, Polz MF. Conservation of the chitin utilization pathway in the Vibrionaceae. Appl Environ Microbiol. 2008 Jan;74(1):44–51. PMID: 17933912; PMCID: PMC2223224.; Park JK, Wang LX, Roseman S. Isolation of a glucosamine-specific kinase, a unique enzyme of Vibrio cholerae. J Biol Chem. 2002 May 03;277(18):15573–8. doi: 10.1074/jbc.m107953200. PMID: 11850417.; Keyhani NO, Roseman S. The chitin catabolic cascade in the marine bacterium Vibrio furnissii. Molecular cloning, isolation, and characterization of a periplasmic beta-N-acetylglucosaminidase. J Biol Chem. 1996 Dec 27;271(52):33425–32. doi: 10.1074/jbc.271.52.33425. PMID: 8969205.

Metabolites

Allosamidine

Formula: C25H42N4O14 (622.2697392)

CAS ID: 103782-08-7

Chitobiose

Formula: C16H28N2O11 (424.16930179999997)

CAS ID: 35061-50-8

H2O

Formula: H2O (18.0105642)

CAS ID: 7732-18-5

Mercury(2+)

Formula: Hg (201.970632)

CAS ID: 14302-87-5

N-Acetyl-beta-D-glucosamine

Formula: C8H15NO6 (221.089933)

CAS ID: 14131-68-1

N-Acetyl-D-glucosamine

Formula: C8H15NO6 (221.089933)

CAS ID: 7512-17-6

GlcNAc(b1-4)GlcNAc(b1-4)GlcNAc

Formula: C24H41N3O16 (627.2486706000001)

CAS ID: 13319-32-9



Enzyme

EC Number name full name note
3.2.1.202 endo-chitodextinase (1->4)-2-acetamido-2-deoxy-beta-D-glucan diacetylchitobiohydrolase (endo-cleaving)
3.2.1.52 beta-N-acetylhexosaminidase beta-N-acetyl-D-hexosaminide N-acetylhexosaminohydrolase


Proteins

Protein ID name full name
P96155 exoI Beta-hexosaminidase
P96156 endo I Chitodextrinase
Q54468 chb Chitobiase