Detail Information for IndEnz0008000519
IED ID IndEnz0008000519
Enzyme Type ID cellulase000519
Protein Name Probable endo-1,4-beta-xylanase B
Xylanase B
EC 3.2.1.8
1,4-beta-D-xylan xylanohydrolase B
Endo-1,4-beta-xylanase G1
Xylanase G1
Gene Name xlnB xynB xynG1 An01g00780
Organism Aspergillus niger (strain CBS 513.88 / FGSC A1513)
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 niger Aspergillus niger (strain CBS 513.88 / FGSC A1513)
Enzyme Sequence MLTKNLLLCFAAAKAALAVPHDSVAQRSDALHMLSERSTPSSTGENNGFYYSFWTDGGGDVTYTNGDAGAYTVEWSNVGNFVGGKGWNPGSAQDITYSGTFTPSGNGYLSVYGWTTDPLIEYYIVESYGDYNPGSGGTYKGTVTSDGSVYDIYTATRTNAASIQGTATFTQYWSVRQNKRVGGTVTTSNHFNAWAKLGMNLGTHNYQIVATEGYQSSGSSSITVQ
Enzyme Length 225
Uniprot Accession Number A2Q7I0
Absorption
Active Site ACT_SITE 121; /note=Nucleophile; /evidence=ECO:0000255|PROSITE-ProRule:PRU10062; ACT_SITE 212; /note=Proton donor; /evidence=ECO:0000255|PROSITE-ProRule:PRU10063
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. {ECO:0000250}.
Temperature Dependency
PH Dependency
Pathway PATHWAY: Glycan degradation; xylan degradation.
nucleotide Binding
Features Active site (2); Chain (1); Domain (1); Signal peptide (1)
Keywords Carbohydrate metabolism;Glycosidase;Hydrolase;Polysaccharide degradation;Reference proteome;Secreted;Signal;Xylan degradation
Interact With
Induction
Subcellular Location SUBCELLULAR LOCATION: Secreted {ECO:0000250}.
Modified Residue
Post Translational Modification
Signal Peptide SIGNAL 1..18; /evidence=ECO:0000255
Structure 3D
Cross Reference PDB -
Mapped Pubmed ID -
Motif
Gene Encoded By
Mass 24,057
Kinetics
Metal Binding
Rhea ID
Cross Reference Brenda