ID   LIGB_TRAVE              Reviewed;          13 AA.
AC   P20012;
DT   01-FEB-1991, integrated into UniProtKB/Swiss-Prot.
DT   01-FEB-1991, sequence version 1.
DT   11-DEC-2019, entry version 65.
DE   RecName: Full=Ligninase B;
DE            EC=1.11.1.14 {ECO:0000250|UniProtKB:P31838};
DE   AltName: Full=Diarylpropane peroxidase;
DE   AltName: Full=Lignin peroxidase;
DE   Flags: Fragment;
OS   Trametes versicolor (White-rot fungus) (Coriolus versicolor).
OC   Eukaryota; Fungi; Dikarya; Basidiomycota; Agaricomycotina; Agaricomycetes;
OC   Polyporales; Polyporaceae; Trametes.
OX   NCBI_TaxID=5325;
RN   [1]
RP   PROTEIN SEQUENCE.
RX   PubMed=2707445; DOI=10.1016/0014-5793(89)81258-x;
RA   Joensson L.J., Karlsson O., Lundquist K., Nyman P.O.;
RT   "Trametes versicolor ligninase: isozyme sequence homology and substrate
RT   specificity.";
RL   FEBS Lett. 247:143-146(1989).
CC   -!- FUNCTION: Depolymerization of lignin. Catalyzes the C(alpha)-C(beta)
CC       cleavage of the propyl side chains of lignin.
CC       {ECO:0000250|UniProtKB:P31838}.
CC   -!- CATALYTIC ACTIVITY:
CC       Reaction=1-(3,4-dimethoxyphenyl)-2-(2-methoxyphenoxy)propane-1,3-diol +
CC         H2O2 = 3,4-dimethoxybenzaldehyde + glycolaldehyde + guaiacol + H2O;
CC         Xref=Rhea:RHEA:48004, ChEBI:CHEBI:15377, ChEBI:CHEBI:16240,
CC         ChEBI:CHEBI:17071, ChEBI:CHEBI:17098, ChEBI:CHEBI:28591,
CC         ChEBI:CHEBI:86963; EC=1.11.1.14;
CC         Evidence={ECO:0000250|UniProtKB:P31838};
CC   -!- CATALYTIC ACTIVITY:
CC       Reaction=2 (3,4-dimethoxyphenyl)methanol + H2O2 = 2 (3,4-
CC         dimethoxyphenyl)methanol radical + 2 H2O; Xref=Rhea:RHEA:30271,
CC         ChEBI:CHEBI:15377, ChEBI:CHEBI:16240, ChEBI:CHEBI:62150,
CC         ChEBI:CHEBI:88143; EC=1.11.1.14;
CC         Evidence={ECO:0000250|UniProtKB:P31838};
CC   -!- PATHWAY: Secondary metabolite metabolism; lignin degradation.
CC   -!- SIMILARITY: Belongs to the peroxidase family. Ligninase subfamily.
CC       {ECO:0000305}.
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DR   PIR; S04014; S04014.
DR   UniPathway; UPA00892; -.
DR   GO; GO:0016690; F:diarylpropane peroxidase activity; IEA:UniProtKB-EC.
DR   GO; GO:0046872; F:metal ion binding; IEA:UniProtKB-KW.
DR   GO; GO:0042744; P:hydrogen peroxide catabolic process; IEA:UniProtKB-KW.
DR   GO; GO:0046274; P:lignin catabolic process; IEA:UniProtKB-UniPathway.
PE   1: Evidence at protein level;
KW   Direct protein sequencing; Heme; Hydrogen peroxide; Iron;
KW   Lignin degradation; Metal-binding; Oxidoreductase; Peroxidase.
FT   CHAIN           1..>13
FT                   /note="Ligninase B"
FT                   /id="PRO_0000055613"
FT   NON_TER         13
SQ   SEQUENCE   13 AA;  1271 MW;  22C50ED5872A52C8 CRC64;
     VTXPDGVNTA TNA