Literature summary for 3.2.1.200 extracted from

Gutierrez-Roman, M.I.; Dunn, M.F.; Tinoco-Valencia, R.; Holguin-Melendez, F.; Huerta-Palacios, G.; Guillen-Navarro, K.
Potentiation of the synergistic activities of chitinases ChiA, ChiB and ChiC from Serratia marcescens CFFSUR-B2 by chitobiase (Chb) and chitin binding protein (CBP) (2014), World J. Microbiol. Biotechnol., 30, 33-42.

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Cloned(Commentary)

Cloned (Comment)	Organism
expression in Escherichia coli	Serratia marcescens

Organism

Organism	UniProt	Comment	Textmining
Serratia marcescens	R9WYJ0	-	-
Serratia marcescens CFFSUR-B2	R9WYJ0	-	-

Substrates and Products (Substrate)

Substrates	Comment Substrates	Organism	Products	Comment (Products)	Rev.	Reac.
colloidal chitin + H2O	-	Serratia marcescens	N-acetylglucosamine + N,N'-diacetylchitobiose + ?	ChiB produces relatively large amounts of chitin monomer and dimer, but very low amounts of trimer	?
colloidal chitin + H2O	-	Serratia marcescens CFFSUR-B2	N-acetylglucosamine + N,N'-diacetylchitobiose + ?	ChiB produces relatively large amounts of chitin monomer and dimer, but very low amounts of trimer	?

Synonyms

Synonyms	Comment	Organism
ChiB	-	Serratia marcescens

General Information

General Information	Comment	Organism
physiological function	reactions containing both ChiB and endochitinase ChiC show significantly increased N-acetylglucosamine trimer and dimer formation, but decreased monomer formation, compared to reactions with either enzyme alone. ChiB and ChiC attack different sites and together degrade chitin more efficiently than either enzyme separately. Chitobiase and chitin binding protein in combination with ChiB and ChiC (individually or together) increase their chitinase activity	Serratia marcescens

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Release 2023.1 (January 2023)