KEGG ENZYME: 3.2.1.201

ENZYME: 3.2.1.201

Entry

EC 3.2.1.201                Enzyme

Name

exo-chitinase (reducing end);
chiA (gene name)

Class

Hydrolases;
Glycosylases;
Glycosidases, i.e. enzymes that hydrolyse O- and S-glycosyl compounds

Sysname

(1->4)-2-acetamido-2-deoxy-beta-D-glucan diacetylchitobiohydrolase (reducing end)

Reaction(IUBMB)

Hydrolysis of N,N'-diacetylchitobiose from the reducing end of chitin and chitodextrins.

Comment

The enzyme hydrolyses the second glycosidic (1->4) linkage from reducing ends of chitin and chitodextrin molecules, liberating N,N'-diacetylchitobiose disaccharides. cf. EC 3.2.1.200, exo-chitinase (non-reducing end).

History

EC 3.2.1.201 created 2017

Reference

1 [PMID:15717865]

Authors

Hult EL, Katouno F, Uchiyama T, Watanabe T, Sugiyama J

Title

Molecular directionality in crystalline beta-chitin: hydrolysis by chitinases A and B from Serratia marcescens 2170.

Journal

Biochem J 388:851-6 (2005)
DOI:10.1042/BJ20050090

Reference

2 [PMID:24168426]

Authors

Nakagawa YS, Eijsink VG, Totani K, Vaaje-Kolstad G

Title

Conversion of alpha-chitin substrates with varying particle size and crystallinity reveals substrate preferences of the chitinases and lytic polysaccharide monooxygenase of Serratia marcescens.

Journal

J Agric Food Chem 61:11061-6 (2013)
DOI:10.1021/jf402743e

Reference

3 [PMID:23824666]

Authors

Gutierrez-Roman MI, Dunn MF, Tinoco-Valencia R, Holguin-Melendez F, Huerta-Palacios G, Guillen-Navarro K

Title

Potentiation of the synergistic activities of chitinases ChiA, ChiB and ChiC from Serratia marcescens CFFSUR-B2 by chitobiase (Chb) and chitin binding protein (CBP).

Journal

World J Microbiol Biotechnol 30:33-42 (2014)
DOI:10.1007/s11274-013-1421-2

Reference

4 [PMID:8757722]

Authors

Brurberg MB, Nes IF, Eijsink VG

Title

Comparative studies of chitinases A and B from Serratia marcescens.

Journal

Microbiology 142 ( Pt 7):1581-9 (1996)
DOI:10.1099/13500872-142-7-1581

Other DBs

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