ID 3.5.1.105 DE chitin disaccharide deacetylase. AN chitin oligosaccharide amidohydolase. AN chitin oligosaccharide deacetylase. AN chitobiose amidohydolase. CA H2O + N,N'-diacetylchitobiose = acetate + N-acetyl-beta-D-glucosaminyl- CA (1->4)-D-glucosamine. CC -!- Chitin oligosaccharide deacetylase is a key enzyme in the chitin CC catabolic cascade of chitinolytic Vibrio strains. CC -!- Besides being a nutrient, the heterodisaccharide product 4-O- CC (N-acetyl-beta-D-glucosaminyl)-D-glucosamine is a unique inducer of CC chitinase production in Vibrio parahemolyticus. CC -!- In contrast to EC 3.5.1.41 this enzyme is specific for the chitin CC disaccharide. CC -!- It also deacetylates the chitin trisaccharide with lower efficiency. CC -!- No activity with higher polymers of GlcNAc. DR A8AHC4, CHBG_CITK8 ; A7ZMK0, CHBG_ECO24 ; B7USB4, CHBG_ECO27 ; DR B7MAU4, CHBG_ECO45 ; B7L6K7, CHBG_ECO55 ; Q8XE10, CHBG_ECO57 ; DR B5YQ20, CHBG_ECO5E ; B7NT44, CHBG_ECO7I ; B7MVL2, CHBG_ECO81 ; DR B7M1E5, CHBG_ECO8A ; C4ZZ89, CHBG_ECOBW ; B1XGJ4, CHBG_ECODH ; DR A8A0S5, CHBG_ECOHS ; A1ABR4, CHBG_ECOK1 ; Q0TH97, CHBG_ECOL5 ; DR Q8FH10, CHBG_ECOL6 ; B1IPJ7, CHBG_ECOLC ; P37794, CHBG_ECOLI ; DR B7N569, CHBG_ECOLU ; B6IBF3, CHBG_ECOSE ; B1LDZ8, CHBG_ECOSM ; DR Q1RB62, CHBG_ECOUT ; A4W9L0, CHBG_ENT38 ; B7LQ59, CHBG_ESCF3 ; DR B5XT26, CHBG_KLEP3 ; A6T7U7, CHBG_KLEP7 ; B4EZQ3, CHBG_PROMH ; DR B5F7H6, CHBG_SALA4 ; Q57PW7, CHBG_SALCH ; B5FJC2, CHBG_SALDC ; DR B5QWH6, CHBG_SALEP ; B5RAY7, CHBG_SALG2 ; B4TGF6, CHBG_SALHS ; DR B4T4L5, CHBG_SALNS ; Q5PHB3, CHBG_SALPA ; A9N261, CHBG_SALPB ; DR C0Q659, CHBG_SALPC ; B5BA58, CHBG_SALPK ; B4TUD7, CHBG_SALSV ; DR Q8Z6H0, CHBG_SALTI ; Q8ZPU1, CHBG_SALTY ; Q8L3B9, CHBG_SERMA ; DR Q0T4U2, CHBG_SHIF8 ; P59746, CHBG_SHIFL ; Q3Z280, CHBG_SHISS ; DR A1JKF8, CHBG_YERE8 ; A7FFP8, CHBG_YERP3 ; Q1C596, CHBG_YERPA ; DR B2KA89, CHBG_YERPB ; Q8ZDA6, CHBG_YERPE ; A9R3W4, CHBG_YERPG ; DR Q1CKI2, CHBG_YERPN ; A4TL15, CHBG_YERPP ; Q667R4, CHBG_YERPS ; DR B1JR86, CHBG_YERPY ; Q99PX1, DEAA_VIBAL ; //