| IED ID | IndEnz0008000053 |
| Enzyme Type ID | cellulase000053 |
| Protein Name |
Endo-beta-1,4-glucanase celB Endoglucanase celB EC 3.2.1.4 Carboxymethylcellulase celB Cellulase B |
| Gene Name | celB AO090010000314 |
| Organism | Aspergillus oryzae (strain ATCC 42149 / RIB 40) (Yellow koji mold) |
| Taxonomic Lineage | cellular organisms Eukaryota Opisthokonta Fungi Dikarya Ascomycota saccharomyceta Pezizomycotina leotiomyceta Eurotiomycetes Eurotiomycetidae Eurotiales (green and blue molds) Aspergillaceae Aspergillus Aspergillus subgen. Circumdati Aspergillus oryzae (Yellow koji mold) Aspergillus oryzae (strain ATCC 42149 / RIB 40) (Yellow koji mold) |
| Enzyme Sequence | MIWTLAPFVALLPLVTAQQVGTTADAHPRLTTYKCTSQNGCTRQNTSVVLDAATHFIHKKGTQTSCTNSNGLDTAICPDKQTCADNCVVDGITDYASYGVQTKNDTLTLQQYLQTGNATKSLSPRVYLLAEDGENYSMLKLLNQEFTFDVDASTLVCGMNGALYLSEMEASGGKSSLNQAGAKYGTGYCDAQCYTTPWINGEGNTESVGSCCQEMDIWEANARATGLTPHPCNTTGLYECSGSGCGDSGVCDKAGCGFNPYGLGAKDYYGYGLKVNTNETFTVVTQFLTNDNTTSGQLSEIRRLYIQNGQVIQNAAVTSGGKTVDSITKDFCSGEGSAFNRLGGLEEMGHALGRGMVLALSIWNDAGSFMQWLDGGSAGPCNATEGNPALIEKLYPDTHVKFSKIRWGDIGSTYRH |
| Enzyme Length | 416 |
| Uniprot Accession Number | Q2TX26 |
| Absorption | |
| Active Site | ACT_SITE 214; /note=Nucleophile; /evidence=ECO:0000250; ACT_SITE 219; /note=Proton donor; /evidence=ECO:0000250 |
| Activity Regulation | |
| Binding Site | |
| Calcium Binding | |
| catalytic Activity | CATALYTIC ACTIVITY: Reaction=Endohydrolysis of (1->4)-beta-D-glucosidic linkages in cellulose, lichenin and cereal beta-D-glucans.; EC=3.2.1.4; |
| DNA Binding | |
| EC Number | 3.2.1.4 |
| Enzyme Function | FUNCTION: Has endoglucanase activity on substrates containing beta-1,4 glycosidic bonds, like in carboxymethylcellulose (CMC), hydroxyethylcellulose (HEC) and beta-glucan. Involved in the degradation of complex natural cellulosic substrates. {ECO:0000269|PubMed:9008887}. |
| Temperature Dependency | BIOPHYSICOCHEMICAL PROPERTIES: Temperature dependence: Optimum temperature is 45 degrees Celsius. Stable up to 50 degrees Celsius. {ECO:0000269|PubMed:9008887}; |
| PH Dependency | BIOPHYSICOCHEMICAL PROPERTIES: pH dependence: Optimum pH is 4.0. Stable between pH 3.0 and 7.0. {ECO:0000269|PubMed:9008887}; |
| Pathway | |
| nucleotide Binding | |
| Features | Active site (2); Chain (1); Glycosylation (8); Sequence conflict (1); Signal peptide (1) |
| Keywords | Carbohydrate metabolism;Cellulose degradation;Glycoprotein;Glycosidase;Hydrolase;Polysaccharide degradation;Reference proteome;Secreted;Signal |
| Interact With | |
| Induction | |
| Subcellular Location | SUBCELLULAR LOCATION: Secreted {ECO:0000250}. |
| Modified Residue | |
| Post Translational Modification | |
| Signal Peptide | SIGNAL 1..17; /evidence=ECO:0000255 |
| Structure 3D | |
| Cross Reference PDB | - |
| Mapped Pubmed ID | - |
| Motif | |
| Gene Encoded By | |
| Mass | 44,448 |
| Kinetics | |
| Metal Binding | |
| Rhea ID | |
| Cross Reference Brenda |