Detail Information for IndEnz0018000619
IED ID IndEnz0018000619
Enzyme Type ID peroxidase000619
Protein Name Ligninase B
EC 1.11.1.14
Diarylpropane peroxidase
Lignin peroxidase
Gene Name LIPB
Organism Phanerodontia chrysosporium (White-rot fungus) (Sporotrichum pruinosum)
Taxonomic Lineage cellular organisms Eukaryota Opisthokonta Fungi Dikarya Basidiomycota Agaricomycotina Agaricomycetes Agaricomycetes incertae sedis Polyporales Phanerochaetaceae Phanerodontia Phanerodontia chrysosporium (White-rot fungus) (Sporotrichum pruinosum)
Enzyme Sequence MAFKQLFAAISLALSLSAANAAAVIEKRATCSNGKTVGDASCCAWFDVLDDIQQNLFHGGQCGAEAHESIRLVFHDSIAISPAMEAQGKFGGGGADGSIMIFDDIETAFHPNIGLDEIVKLQKPFVQKHGVTPGAFIAFAGAVALSNCPGAPQMNFFTGRAPATQPAPDGLVPEPFHTVDQIINRVNDAGEFDELELVWMLSAHSVAAVNDVDPTVQGLPFDSTPGIFDSQFFVETQLRGTAFPGSGGNQGEVESPLPGEIRIQSDHTIARDSRTACEWQSFVNNQSKLVDDFQFIFLALTQLGQDPNAMTDCSDVIPQSKPIPGNLPFSFFPAGKTIKDVEQACAETPFPTLTTLPGPETSVQRIPPPPGA
Enzyme Length 372
Uniprot Accession Number P31838
Absorption
Active Site ACT_SITE 75; /note="Proton acceptor"; /evidence="ECO:0000255|PROSITE-ProRule:PRU00297, ECO:0000255|PROSITE-ProRule:PRU10012"
Activity Regulation
Binding Site
Calcium Binding
catalytic Activity CATALYTIC ACTIVITY: Reaction=1-(3,4-dimethoxyphenyl)-2-(2-methoxyphenoxy)propane-1,3-diol + H2O2 = 3,4-dimethoxybenzaldehyde + glycolaldehyde + guaiacol + H2O; Xref=Rhea:RHEA:48004, ChEBI:CHEBI:15377, ChEBI:CHEBI:16240, ChEBI:CHEBI:17071, ChEBI:CHEBI:17098, ChEBI:CHEBI:28591, ChEBI:CHEBI:86963; EC=1.11.1.14; Evidence={ECO:0000269|PubMed:3240864}; CATALYTIC ACTIVITY: Reaction=2 (3,4-dimethoxyphenyl)methanol + H2O2 = 2 (3,4-dimethoxyphenyl)methanol radical + 2 H2O; Xref=Rhea:RHEA:30271, ChEBI:CHEBI:15377, ChEBI:CHEBI:16240, ChEBI:CHEBI:62150, ChEBI:CHEBI:88143; EC=1.11.1.14; Evidence={ECO:0000269|PubMed:3240864};
DNA Binding
EC Number 1.11.1.14
Enzyme Function FUNCTION: Depolymerization of lignin. Catalyzes the C(alpha)-C(beta) cleavage of the propyl side chains of lignin. {ECO:0000269|PubMed:3240864}.
Temperature Dependency
PH Dependency BIOPHYSICOCHEMICAL PROPERTIES: pH dependence: Optimum pH is 2.3. {ECO:0000269|PubMed:3240864};
Pathway PATHWAY: Secondary metabolite metabolism; lignin degradation.
nucleotide Binding
Features Active site (1); Chain (1); Disulfide bond (4); Glycosylation (1); Metal binding (10); Propeptide (1); Region (1); Signal peptide (1); Site (1)
Keywords Calcium;Cleavage on pair of basic residues;Direct protein sequencing;Disulfide bond;Glycoprotein;Heme;Hydrogen peroxide;Iron;Lignin degradation;Metal-binding;Oxidoreductase;Peroxidase;Signal;Zymogen
Interact With
Induction
Subcellular Location
Modified Residue
Post Translational Modification
Signal Peptide SIGNAL 1..21; /evidence=ECO:0000255
Structure 3D
Cross Reference PDB -
Mapped Pubmed ID -
Motif
Gene Encoded By
Mass 39,530
Kinetics BIOPHYSICOCHEMICAL PROPERTIES: Kinetic parameters: KM=85 uM for H(2)O(2) {ECO:0000269|PubMed:3240864}; KM=83 uM for (3,4-dimethoxyphenyl)methanol {ECO:0000269|PubMed:3240864};
Metal Binding METAL 76; /note=Calcium 1; /evidence=ECO:0000255|PROSITE-ProRule:PRU00297; METAL 94; /note=Calcium 1; via carbonyl oxygen; /evidence=ECO:0000255|PROSITE-ProRule:PRU00297; METAL 96; /note=Calcium 1; /evidence=ECO:0000255|PROSITE-ProRule:PRU00297; METAL 98; /note=Calcium 1; /evidence=ECO:0000255|PROSITE-ProRule:PRU00297; METAL 204; /note=Iron (heme b axial ligand); /evidence=ECO:0000255|PROSITE-ProRule:PRU00297; METAL 205; /note=Calcium 2; /evidence=ECO:0000255|PROSITE-ProRule:PRU00297; METAL 222; /note=Calcium 2; /evidence=ECO:0000255|PROSITE-ProRule:PRU00297; METAL 224; /note=Calcium 2; /evidence=ECO:0000255|PROSITE-ProRule:PRU00297; METAL 227; /note=Calcium 2; via carbonyl oxygen; /evidence=ECO:0000255|PROSITE-ProRule:PRU00297; METAL 229; /note=Calcium 2; /evidence=ECO:0000255|PROSITE-ProRule:PRU00297
Rhea ID RHEA:48004; RHEA:30271
Cross Reference Brenda