IED ID | IndEnz0008000428 |
Enzyme Type ID | cellulase000428 |
Protein Name |
Endo-1,4-beta-xylanase 1 Xylanase 1 EC 3.2.1.8 1,4-beta-D-xylan xylanohydrolase 1 |
Gene Name | xyn1 |
Organism | Humicola grisea var. thermoidea |
Taxonomic Lineage | cellular organisms Eukaryota Opisthokonta Fungi Dikarya Ascomycota saccharomyceta Pezizomycotina leotiomyceta sordariomyceta Sordariomycetes Sordariomycetidae Sordariales Chaetomiaceae Trichocladium Trichocladium griseum Humicola grisea var. thermoidea |
Enzyme Sequence | MQTKSILTAALLAAAPASAQLHELAVKAGLKYFGTALREGAINSDQQYNRILSDTREFGQLVPENGQKWDATEPNRGQFNFQQGDITANKARQNGQGLRCHTLIWYSQLPGWVSSGNWNRQTLEAVMKTHIDNVMGHYKGQCYAWDVVNEAVDDNGQWRNNVFLRVFGTDYLPLSFNLAKAADPDTKLYYNDYNLEYNQAKTDRAVELVKIVQDAGAPIDGVGFQGHLIVGSTPTRQQLATVLRRFTSLGVEVAYTELDIRHSRLPASQQALVTQGNDFANVVGSCLDVAGCVGVTVWSFTDKYSWIPETFSGEGDALIYDRNFNKKPAWTSISSVLAAAATNPPASSSTSVVVPTTTFVTTTTTPPPISSPIVPSTTTTSAVPTTTVSPPEPEQTRWGQCGGIGWNGPTKCQSPWTCTRLNDWYFQCL |
Enzyme Length | 429 |
Uniprot Accession Number | P79046 |
Absorption | |
Active Site | ACT_SITE 150; /note=Proton donor; /evidence=ECO:0000250; ACT_SITE 257; /note=Nucleophile; /evidence=ECO:0000250 |
Activity Regulation | |
Binding Site | |
Calcium Binding | |
catalytic Activity | CATALYTIC ACTIVITY: Reaction=Endohydrolysis of (1->4)-beta-D-xylosidic linkages in xylans.; EC=3.2.1.8; |
DNA Binding | |
EC Number | 3.2.1.8 |
Enzyme Function | FUNCTION: Endo-1,4-beta-xylanase involved in the hydrolysis of xylan, a major structural heterogeneous polysaccharide found in plant biomass representing the second most abundant polysaccharide in the biosphere, after cellulose. |
Temperature Dependency | |
PH Dependency | |
Pathway | PATHWAY: Glycan degradation; xylan degradation. |
nucleotide Binding | |
Features | Active site (2); Chain (1); Compositional bias (1); Disulfide bond (1); Domain (2); Region (1); Signal peptide (1) |
Keywords | Carbohydrate metabolism;Disulfide bond;Glycosidase;Hydrolase;Polysaccharide degradation;Secreted;Signal;Xylan degradation |
Interact With | |
Induction | INDUCTION: Induced by xylan and Avicel, and repressed by glucose. {ECO:0000269|PubMed:9339567}. |
Subcellular Location | SUBCELLULAR LOCATION: Secreted {ECO:0000250}. |
Modified Residue | |
Post Translational Modification | |
Signal Peptide | SIGNAL 1..19; /evidence=ECO:0000255 |
Structure 3D | |
Cross Reference PDB | - |
Mapped Pubmed ID | - |
Motif | |
Gene Encoded By | |
Mass | 47,018 |
Kinetics | |
Metal Binding | |
Rhea ID | |
Cross Reference Brenda |