| IED ID | IndEnz0009000033 |
| Enzyme Type ID | chitinase000033 |
| Protein Name |
Acidic endochitinase Q EC 3.2.1.14 Pathogenesis-related protein Q PR-Q |
| Gene Name | |
| Organism | Nicotiana tabacum (Common tobacco) |
| Taxonomic Lineage | cellular organisms Eukaryota Viridiplantae Streptophyta Streptophytina Embryophyta Tracheophyta Euphyllophyta Spermatophyta Magnoliopsida Mesangiospermae eudicotyledons Gunneridae Pentapetalae asterids lamiids Solanales Solanaceae Nicotianoideae Nicotianeae Nicotiana Nicotiana tabacum (Common tobacco) |
| Enzyme Sequence | MEFSGSPMALFCCVFFLFLTGSLAQGIGSIVTSDLFNEMLKNRNDGRCPANGFYTYDAFIAAANSFPGFGTTGDDTARRKEIAAFFGQTSHETTGGSLSAEPFTGGYCFVRQNDQSDRYYGRGPIQLTNRNNYEKAGTAIGQELVNNPDLVATDATISFKTAIWFWMTPQDNKPSSHDVIIGRWTPSAADQAANRVPGYGVITNIINGGIECGIGRNDAVEDRIGYYRRYCGMLNVAPGENLDCYNQRNFGQG |
| Enzyme Length | 253 |
| Uniprot Accession Number | P17514 |
| Absorption | |
| Active Site | ACT_SITE 92; /note=Proton donor; /evidence=ECO:0000250|UniProtKB:P29022 |
| 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; |
| DNA Binding | |
| EC Number | 3.2.1.14 |
| Enzyme Function | FUNCTION: Defense against chitin-containing fungal pathogens. |
| Temperature Dependency | |
| PH Dependency | |
| Pathway | |
| nucleotide Binding | |
| Features | Active site (1); Chain (1); Disulfide bond (1); Natural variant (1); Signal peptide (1) |
| Keywords | Carbohydrate metabolism;Chitin degradation;Direct protein sequencing;Disulfide bond;Glycosidase;Hydrolase;Pathogenesis-related protein;Plant defense;Polysaccharide degradation;Reference proteome;Secreted;Signal |
| Interact With | |
| Induction | INDUCTION: By TMV infection. |
| Subcellular Location | SUBCELLULAR LOCATION: Secreted. Note=Extracellular fluid from leaves. |
| Modified Residue | |
| Post Translational Modification | |
| Signal Peptide | SIGNAL 1..24 |
| Structure 3D | |
| Cross Reference PDB | - |
| Mapped Pubmed ID | - |
| Motif | |
| Gene Encoded By | |
| Mass | 27,633 |
| Kinetics | |
| Metal Binding | |
| Rhea ID | |
| Cross Reference Brenda |