LAC2_AGABI
ID LAC2_AGABI Reviewed; 520 AA.
AC Q12542;
DT 01-NOV-1997, integrated into UniProtKB/Swiss-Prot.
DT 01-NOV-1996, sequence version 1.
DT 03-AUG-2022, entry version 89.
DE RecName: Full=Laccase-2;
DE EC=1.10.3.2 {ECO:0000250|UniProtKB:Q70KY3};
DE AltName: Full=Benzenediol:oxygen oxidoreductase 2;
DE AltName: Full=Diphenol oxidase 2;
DE AltName: Full=Laccase II;
DE AltName: Full=Urishiol oxidase 2;
DE Flags: Precursor;
GN Name=lcc2;
OS Agaricus bisporus (White button mushroom).
OC Eukaryota; Fungi; Dikarya; Basidiomycota; Agaricomycotina; Agaricomycetes;
OC Agaricomycetidae; Agaricales; Agaricaceae; Agaricus.
OX NCBI_TaxID=5341;
RN [1]
RP NUCLEOTIDE SEQUENCE [MRNA], AND PARTIAL PROTEIN SEQUENCE.
RC STRAIN=D649;
RX PubMed=8360614; DOI=10.1099/00221287-139-6-1209;
RA Perry C.R., Smith M., Britnell C.H., Wood D.A., Thurston C.F.;
RT "Identification of two laccase genes in the cultivated mushroom Agaricus
RT bisporus.";
RL J. Gen. Microbiol. 139:1209-1218(1993).
CC -!- FUNCTION: Lignin degradation and detoxification of lignin-derived
CC products. {ECO:0000250|UniProtKB:Q70KY3}.
CC -!- CATALYTIC ACTIVITY:
CC Reaction=4 hydroquinone + O2 = 4 benzosemiquinone + 2 H2O;
CC Xref=Rhea:RHEA:11276, ChEBI:CHEBI:15377, ChEBI:CHEBI:15379,
CC ChEBI:CHEBI:17594, ChEBI:CHEBI:17977; EC=1.10.3.2;
CC Evidence={ECO:0000250|UniProtKB:Q70KY3};
CC -!- COFACTOR:
CC Name=Cu cation; Xref=ChEBI:CHEBI:23378;
CC Evidence={ECO:0000250|UniProtKB:Q70KY3};
CC Note=Binds 4 Cu cations per monomer. {ECO:0000250|UniProtKB:Q70KY3};
CC -!- SUBCELLULAR LOCATION: Secreted {ECO:0000250|UniProtKB:Q70KY3}.
CC -!- SIMILARITY: Belongs to the multicopper oxidase family. {ECO:0000305}.
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DR EMBL; L10663; AAA17035.1; -; mRNA.
DR AlphaFoldDB; Q12542; -.
DR SMR; Q12542; -.
DR CAZy; AA1; Auxiliary Activities 1.
DR GO; GO:0005576; C:extracellular region; IEA:UniProtKB-SubCell.
DR GO; GO:0005507; F:copper ion binding; IEA:InterPro.
DR GO; GO:0052716; F:hydroquinone:oxygen oxidoreductase activity; IEA:UniProtKB-EC.
DR GO; GO:0046274; P:lignin catabolic process; IEA:UniProtKB-KW.
DR Gene3D; 2.60.40.420; -; 3.
DR InterPro; IPR001117; Cu-oxidase.
DR InterPro; IPR011706; Cu-oxidase_C.
DR InterPro; IPR045087; Cu-oxidase_fam.
DR InterPro; IPR011707; Cu-oxidase_N.
DR InterPro; IPR033138; Cu_oxidase_CS.
DR InterPro; IPR002355; Cu_oxidase_Cu_BS.
DR InterPro; IPR008972; Cupredoxin.
DR PANTHER; PTHR11709; PTHR11709; 1.
DR Pfam; PF00394; Cu-oxidase; 1.
DR Pfam; PF07731; Cu-oxidase_2; 1.
DR Pfam; PF07732; Cu-oxidase_3; 1.
DR SUPFAM; SSF49503; SSF49503; 3.
DR PROSITE; PS00079; MULTICOPPER_OXIDASE1; 2.
DR PROSITE; PS00080; MULTICOPPER_OXIDASE2; 1.
PE 1: Evidence at protein level;
KW Copper; Direct protein sequencing; Disulfide bond; Glycoprotein;
KW Lignin degradation; Metal-binding; Oxidoreductase; Repeat; Secreted;
KW Signal.
FT SIGNAL 1..19
FT CHAIN 20..520
FT /note="Laccase-2"
FT /id="PRO_0000002919"
FT DOMAIN 21..145
FT /note="Plastocyanin-like 1"
FT DOMAIN 157..305
FT /note="Plastocyanin-like 2"
FT DOMAIN 375..488
FT /note="Plastocyanin-like 3"
FT BINDING 82
FT /ligand="Cu cation"
FT /ligand_id="ChEBI:CHEBI:23378"
FT /ligand_label="1"
FT /note="type 2 copper site"
FT /evidence="ECO:0000250|UniProtKB:D0VWU3"
FT BINDING 84
FT /ligand="Cu cation"
FT /ligand_id="ChEBI:CHEBI:23378"
FT /ligand_label="2"
FT /note="type 3 copper site"
FT /evidence="ECO:0000250|UniProtKB:D0VWU3"
FT BINDING 127
FT /ligand="Cu cation"
FT /ligand_id="ChEBI:CHEBI:23378"
FT /ligand_label="2"
FT /note="type 3 copper site"
FT /evidence="ECO:0000250|UniProtKB:D0VWU3"
FT BINDING 129
FT /ligand="Cu cation"
FT /ligand_id="ChEBI:CHEBI:23378"
FT /ligand_label="3"
FT /note="type 3 copper site"
FT /evidence="ECO:0000250|UniProtKB:D0VWU3"
FT BINDING 417
FT /ligand="Cu cation"
FT /ligand_id="ChEBI:CHEBI:23378"
FT /ligand_label="4"
FT /note="type 1 copper site"
FT /evidence="ECO:0000250|UniProtKB:D0VWU3"
FT BINDING 420
FT /ligand="Cu cation"
FT /ligand_id="ChEBI:CHEBI:23378"
FT /ligand_label="1"
FT /note="type 2 copper site"
FT /evidence="ECO:0000250|UniProtKB:D0VWU3"
FT BINDING 422
FT /ligand="Cu cation"
FT /ligand_id="ChEBI:CHEBI:23378"
FT /ligand_label="3"
FT /note="type 3 copper site"
FT /evidence="ECO:0000250|UniProtKB:D0VWU3"
FT BINDING 470
FT /ligand="Cu cation"
FT /ligand_id="ChEBI:CHEBI:23378"
FT /ligand_label="3"
FT /note="type 3 copper site"
FT /evidence="ECO:0000250|UniProtKB:D0VWU3"
FT BINDING 471
FT /ligand="Cu cation"
FT /ligand_id="ChEBI:CHEBI:23378"
FT /ligand_label="4"
FT /note="type 1 copper site"
FT /evidence="ECO:0000250|UniProtKB:D0VWU3"
FT BINDING 472
FT /ligand="Cu cation"
FT /ligand_id="ChEBI:CHEBI:23378"
FT /ligand_label="2"
FT /note="type 3 copper site"
FT /evidence="ECO:0000250|UniProtKB:D0VWU3"
FT BINDING 476
FT /ligand="Cu cation"
FT /ligand_id="ChEBI:CHEBI:23378"
FT /ligand_label="4"
FT /note="type 1 copper site"
FT /evidence="ECO:0000250|UniProtKB:D0VWU3"
FT CARBOHYD 108
FT /note="N-linked (GlcNAc...) asparagine"
FT /evidence="ECO:0000255"
FT CARBOHYD 241
FT /note="N-linked (GlcNAc...) asparagine"
FT /evidence="ECO:0000255"
FT CARBOHYD 299
FT /note="N-linked (GlcNAc...) asparagine"
FT /evidence="ECO:0000255"
FT CARBOHYD 492
FT /note="N-linked (GlcNAc...) asparagine"
FT /evidence="ECO:0000255"
FT DISULFID 103..509
FT /evidence="ECO:0000250|UniProtKB:Q70KY3"
FT DISULFID 135..229
FT /evidence="ECO:0000250|UniProtKB:D0VWU3"
SQ SEQUENCE 520 AA; 57823 MW; EF100145F0A697AA CRC64;
MRFSNAFVLV AACISSVLAD TKTFNFDLVN TRLAPDGFER DTVVINGEFP GTLVQVNKGD
SVRIPVNNKL TSSTMRRSVS IHWHGFFQAR TSGQDGPAFV NQCPQPPNTT FTYEFSVADE
SGTFWYHSHL STQYCDGLRG AFVVYDPEDP LGHLYDVDDE TTVITLAEWY HVLAPDINNE
FFSSGIIPVQ DSGLINGKGR FNGGPETPFA VVNVEQGKRY RFRVIAISCR PFFTFSVDNH
NLTFMEADSV EHDPVEIQNV DIYAAQRVSV ILNANQPVDN YWMRAPMTGG NPDRNPNLNI
SLTLAILRYK GAPEVEPTTV NVPGHKLLDQ EMHPIAQEGP GKLGDGPPDK HITLNIAQPN
APFFDINGIS YISPTVPVLL QILSGAKRPE DVLPSEQIFF VPKNSLIEVN IPGEGAHPFH
LHGHNFDVVL ASNDDTFNFV NPPRRDVYPI NGGNTTFRFF TDNPGAWFLH CHIDWHLEAG
LAIVFAEAPE DNVSGPQSQI TPQDWLDLCP EYNAIEPEFQ
