| IED ID | IndEnz0009000188 |
| Enzyme Type ID | chitinase000188 |
| Protein Name |
Probable bifunctional chitinase/lysozyme Includes: Chitinase EC 3.2.1.14 ; Lysozyme EC 3.2.1.17 |
| Gene Name | chiA yheB b3338 JW3300 |
| Organism | Escherichia coli (strain K12) |
| Taxonomic Lineage | cellular organisms Bacteria Proteobacteria Gammaproteobacteria Enterobacterales Enterobacteriaceae Escherichia Escherichia coli Escherichia coli (strain K12) |
| Enzyme Sequence | MKLNIFTKSMIGMGLVCSALPALAMEAWNNQQGGNKYQVIFDGKIYENAWWVSSTNCPGKAKANDATNPWRLKRTATAAEISQFGNTLSCEKSGSSSSSNSNTPASNTPANGGSATPAQGTVPSNSSVVAWNKQQGGQTWYVVFNGAVYKNAWWVASSNCPGDAKSNDASNPWRYVRAATATEISETSNPQSCTSAPQPSPDVKPAPDVKPAPDVQPAPADKSNDNYAVVAWKGQEGSSTWYVIYNGGIYKNAWWVGAANCPGDAKENDASNPWRYVRAATATEISQYGNPGSCSVKPDNNGGAVTPVDPTPETPVTPTPDNSEPSTPADSVNDYSLQAWSGQEGSEIYHVIFNGNVYKNAWWVGSKDCPRGTSAENSNNPWRLERTATAAELSQYGNPTTCEIDNGGVIVADGFQASKAYSADSIVDYNDAHYKTSVDQDAWGFVPGGDNPWKKYEPAKAWSASTVYVKGDRVVVDGQAYEALFWTQSDNPALVANQNATGSNSRPWKPLGKAQSYSNEELNNAPQFNPETLYASDTLIRFNGVNYISQSKVQKVSPSDSNPWRVFVDWTGTKERVGTPKKAWPKHVYAPYVDFTLNTIPDLAALAKNHNVNHFTLAFVVSKDANTCLPTWGTAYGMQNYAQYSKIKALREAGGDVMLSIGGANNAPLAASCKNVDDLMQHYYDIVDNLNLKVLDFDIEGTWVADQASIERRNLAVKKVQDKWKSEGKDIAIWYTLPILPTGLTPEGMNVLSDAKAKGVELAGVNVMTMDYGNAICQSANTEGQNIHGKCATSAIANLHSQLKGLHPNKSDAEIDAMMGTTPMVGVNDVQGEVFYLSDARLVMQDAQKRNLGMVGIWSIARDLPGGTNLSPEFHGLTKEQAPKYAFSEIFAPFTKQ |
| Enzyme Length | 897 |
| Uniprot Accession Number | P13656 |
| Absorption | |
| Active Site | ACT_SITE 700; /note=Proton donor; /evidence=ECO:0000255|PROSITE-ProRule:PRU01258 |
| Activity Regulation | |
| Binding Site | |
| Calcium Binding | |
| catalytic Activity | CATALYTIC ACTIVITY: Reaction=Random endo-hydrolysis of N-acetyl-beta-D-glucosaminide (1->4)-beta-linkages in chitin and chitodextrins.; EC=3.2.1.14; Evidence={ECO:0000269|PubMed:10760150}; CATALYTIC ACTIVITY: Reaction=Hydrolysis of (1->4)-beta-linkages between N-acetylmuramic acid and N-acetyl-D-glucosamine residues in a peptidoglycan and between N-acetyl-D-glucosamine residues in chitodextrins.; EC=3.2.1.17; Evidence={ECO:0000269|PubMed:10760150}; |
| DNA Binding | |
| EC Number | 3.2.1.14; 3.2.1.17 |
| Enzyme Function | FUNCTION: Bifunctional enzyme with lysozyme/chitinase activity. {ECO:0000269|PubMed:10760150}. |
| Temperature Dependency | |
| PH Dependency | |
| Pathway | |
| nucleotide Binding | |
| Features | Active site (1); Chain (1); Compositional bias (2); Disulfide bond (1); Domain (6); Region (3); Sequence conflict (1); Signal peptide (1) |
| Keywords | Carbohydrate metabolism;Chitin degradation;Chitin-binding;Disulfide bond;Glycosidase;Hydrolase;Multifunctional enzyme;Periplasm;Polysaccharide degradation;Reference proteome;Repeat;Signal |
| Interact With | |
| Induction | INDUCTION: Silenced by the DNA-binding protein H-NS under standard growth conditions. {ECO:0000269|PubMed:10760150}. |
| Subcellular Location | SUBCELLULAR LOCATION: Periplasm {ECO:0000269|PubMed:10760150}. Note=Secreted via the Gsp type II secretion machinery under conditions of derepressed gsp gene expression. |
| Modified Residue | |
| Post Translational Modification | |
| Signal Peptide | SIGNAL 1..24; /evidence=ECO:0000255 |
| Structure 3D | |
| Cross Reference PDB | - |
| Mapped Pubmed ID | 16606699; |
| Motif | |
| Gene Encoded By | |
| Mass | 97,058 |
| Kinetics | |
| Metal Binding | |
| Rhea ID | |
| Cross Reference Brenda |