IED ID | IndEnz0008000223 |
Enzyme Type ID | cellulase000223 |
Protein Name |
Thermostable celloxylanase EC 3.2.1.4 EC 3.2.1.8 |
Gene Name | xynB |
Organism | Thermoclostridium stercorarium (Clostridium stercorarium) |
Taxonomic Lineage | cellular organisms Bacteria Terrabacteria group Firmicutes Clostridia Eubacteriales Oscillospiraceae Thermoclostridium Thermoclostridium stercorarium (Clostridium stercorarium) |
Enzyme Sequence | MNKFLNKKWSLILTMGGIFLMATLSLIFATGKKAFNDQTSAEDIPSLAEAFRDYFPIGAAIEPGYTTGQIAELYKKHVNMLVAENAMKPASLQPTEGNFQWADADRIVQFAKENGMELRFHTLVWHNQTPTGFSLDKEGKPMVEETDPQKREENRKLLLQRLENYIRAVVLRYKDDIKSWDVVNEVIEPNDPGGMRNSPWYQITGTEYIEVAFRATREAGGSDIKLYINDYNTDDPVKRDILYELVKNLLEKGVPIDGVGHQTHIDIYNPPVERIIESIKKFAGLGLDNIITELDMSIYSWNDRSDYGDSIPDYILTLQAKRYQELFDALKENKDIVSAVVFWGISDKYSWLNGFPVKRTNAPLLFDRNFMPKPAFWAIVDPSRLRE |
Enzyme Length | 387 |
Uniprot Accession Number | P40942 |
Absorption | |
Active Site | ACT_SITE 185; /note=Proton donor; /evidence=ECO:0000250; ACT_SITE 293; /note=Nucleophile; /evidence=ECO:0000255|PROSITE-ProRule:PRU10061 |
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; CATALYTIC ACTIVITY: Reaction=Endohydrolysis of (1->4)-beta-D-xylosidic linkages in xylans.; EC=3.2.1.8; |
DNA Binding | |
EC Number | 3.2.1.4; 3.2.1.8 |
Enzyme Function | FUNCTION: Active toward xylan, carboxymethylcellulose, P-nitrophenyl-beta-D-xylopyranoside and P-nitrophenyl-beta-D-cellobioside. |
Temperature Dependency | BIOPHYSICOCHEMICAL PROPERTIES: Temperature dependence: Optimum temperature is 80 degrees Celsius.; |
PH Dependency | BIOPHYSICOCHEMICAL PROPERTIES: pH dependence: Optimum pH is 7.0.; |
Pathway | PATHWAY: Glycan degradation; xylan degradation. |
nucleotide Binding | |
Features | Active site (2); Beta strand (12); Chain (1); Domain (1); Helix (17); Turn (3) |
Keywords | 3D-structure;Carbohydrate metabolism;Cellulose degradation;Glycosidase;Hydrolase;Polysaccharide degradation;Xylan degradation |
Interact With | |
Induction | |
Subcellular Location | |
Modified Residue | |
Post Translational Modification | |
Signal Peptide | |
Structure 3D | X-ray crystallography (1) |
Cross Reference PDB | 2DEP; |
Mapped Pubmed ID | 14747719; 15914908; 16233324; |
Motif | |
Gene Encoded By | |
Mass | 44,378 |
Kinetics | |
Metal Binding | |
Rhea ID | |
Cross Reference Brenda |