EC Number | Protein Variants | Comment | Organism |
---|---|---|---|
3.2.1.14 | W167A | site-directed mutagenesis, mutation of the conserved tryptophan in the chitin-binding cleft of chitinase A enhances transglycosylation | Serratia marcescens |
EC Number | Natural Substrates | Organism | Comment (Nat. Sub.) | Natural Products | Comment (Nat. Pro.) | Rev. | Reac. |
---|---|---|---|---|---|---|---|
3.2.1.14 | chitin + H2O | Serratia marcescens | - |
? | - |
? |
EC Number | Organism | UniProt | Comment | Textmining |
---|---|---|---|---|
3.2.1.14 | Serratia marcescens | P07254 | - |
- |
EC Number | Reaction | Comment | Organism | Reaction ID |
---|---|---|---|---|
3.2.1.14 | chitopentaose + H2O = chitobiose + chitotriose | reaction mechanism, Glu315 is the acid/base during hydrolysis, the side-chain of the preceding Asp313 helps to position the N-acetyl moiety of the glycosyl sugar undergoing hydrolysis correctly, mutation of the conserved Tryp167 in the chitin-binding cleft of chitinase A enhances transglycosylation, transglycosylation reaction scheme, overview | Serratia marcescens |
EC Number | Substrates | Comment Substrates | Organism | Products | Comment (Products) | Rev. | Reac. |
---|---|---|---|---|---|---|---|
3.2.1.14 | 4-nitrophenyl beta-N,N',N'',N'''-tetraacetylchitotetraoside + H2O | - |
Serratia marcescens | 4-nitrophenol + beta-N,N',N'',N'''-tetraacetylchitotetraose | - |
? | |
3.2.1.14 | 4-nitrophenyl beta-N,N',N''-triacetylchitotrioside + H2O | - |
Serratia marcescens | 4-nitrophenol + beta-N,N',N''-triacetylchitotriose | - |
? | |
3.2.1.14 | 4-nitrophenyl beta-N,N'-diacetylchitobioside + H2O | - |
Serratia marcescens | 4-nitrophenol + beta-N,N'-diacetylchitobiose | - |
? | |
3.2.1.14 | chitin + H2O | - |
Serratia marcescens | ? | - |
? | |
3.2.1.14 | chito-oligosaccharides + H2O | - |
Serratia marcescens | ? | - |
? | |
3.2.1.14 | additional information | wild-type ChiA and mutant ChiAW167A substrate specificity, product determinations, overview, the enzyme also performs transglycosylation with chito-oligosaccharides as acceptors, overview | Serratia marcescens | ? | - |
? | |
3.2.1.14 | N,N',N'',N'''-tetraacetylchitotetraose + H2O | - |
Serratia marcescens | ? | - |
? | |
3.2.1.14 | N,N',N''-triacetylchitotriose + H2O | - |
Serratia marcescens | ? | - |
? |
EC Number | Synonyms | Comment | Organism |
---|---|---|---|
3.2.1.14 | ChiA | - |
Serratia marcescens |
3.2.1.14 | chitinase A | - |
Serratia marcescens |