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Literature summary for 3.2.1.201 extracted from

  • Hult, E.L.; Katouno, F.; Uchiyama, T.; Watanabe, T.; Sugiyama, J.
    Molecular directionality in crystalline beta-chitin: hydrolysis by chitinases A and B from Serratia marcescens 2170 (2005), Biochem. J., 388, 851-856.
    View publication on PubMedView publication on EuropePMC

Cloned(Commentary)

Cloned (Comment) Organism
expression in Escherichia coli Serratia marcescens

Crystallization (Commentary)

Crystallization (Comment) Organism
ChiA comprises an N-terminal domain, a catalytic (beta/alpha)8 barrel domain and a small (alpha +beta) domain, which is inserted into the (beta/alpha)8 barrel domain. The cocrystallized chito-oligosaccharide is inserted into the catalytic cleft from the reducing end when digested by ChiB Serratia marcescens

Organism

Organism UniProt Comment Textmining
Serratia marcescens O83008
-
-
Serratia marcescens 2170 O83008
-
-

Substrates and Products (Substrate)

Substrates Comment Substrates Organism Products Comment (Products) Rev. Reac.
beta-chitin + H2O
-
Serratia marcescens ? ChiA is active from the reducing end to the nonreducing end ?
beta-chitin + H2O
-
Serratia marcescens 2170 ? ChiA is active from the reducing end to the nonreducing end ?

Synonyms

Synonyms Comment Organism
ChiA
-
Serratia marcescens

General Information

General Information Comment Organism
physiological function digestion of beta-chitin by ChiA occurs from the reducing end to the nonreducing end. Chitinases ChiA and ChiB show synergistic interactions in simultaneous degradation of beta-chitin, but not of glycol chitin Serratia marcescens