LAC1_ARATH
ID LAC1_ARATH Reviewed; 581 AA.
AC Q9LMS3; Q9LM34;
DT 03-APR-2007, integrated into UniProtKB/Swiss-Prot.
DT 01-OCT-2000, sequence version 1.
DT 03-AUG-2022, entry version 138.
DE RecName: Full=Laccase-1;
DE EC=1.10.3.2;
DE AltName: Full=Benzenediol:oxygen oxidoreductase 1;
DE AltName: Full=Diphenol oxidase 1;
DE AltName: Full=Urishiol oxidase 1;
DE Flags: Precursor;
GN Name=LAC1; OrderedLocusNames=At1g18140; ORFNames=T10F20.14, T10O22.11;
OS Arabidopsis thaliana (Mouse-ear cress).
OC Eukaryota; Viridiplantae; Streptophyta; Embryophyta; Tracheophyta;
OC Spermatophyta; Magnoliopsida; eudicotyledons; Gunneridae; Pentapetalae;
OC rosids; malvids; Brassicales; Brassicaceae; Camelineae; Arabidopsis.
OX NCBI_TaxID=3702;
RN [1]
RP NUCLEOTIDE SEQUENCE [LARGE SCALE GENOMIC DNA].
RC STRAIN=cv. Columbia;
RX PubMed=11130712; DOI=10.1038/35048500;
RA Theologis A., Ecker J.R., Palm C.J., Federspiel N.A., Kaul S., White O.,
RA Alonso J., Altafi H., Araujo R., Bowman C.L., Brooks S.Y., Buehler E.,
RA Chan A., Chao Q., Chen H., Cheuk R.F., Chin C.W., Chung M.K., Conn L.,
RA Conway A.B., Conway A.R., Creasy T.H., Dewar K., Dunn P., Etgu P.,
RA Feldblyum T.V., Feng J.-D., Fong B., Fujii C.Y., Gill J.E., Goldsmith A.D.,
RA Haas B., Hansen N.F., Hughes B., Huizar L., Hunter J.L., Jenkins J.,
RA Johnson-Hopson C., Khan S., Khaykin E., Kim C.J., Koo H.L.,
RA Kremenetskaia I., Kurtz D.B., Kwan A., Lam B., Langin-Hooper S., Lee A.,
RA Lee J.M., Lenz C.A., Li J.H., Li Y.-P., Lin X., Liu S.X., Liu Z.A.,
RA Luros J.S., Maiti R., Marziali A., Militscher J., Miranda M., Nguyen M.,
RA Nierman W.C., Osborne B.I., Pai G., Peterson J., Pham P.K., Rizzo M.,
RA Rooney T., Rowley D., Sakano H., Salzberg S.L., Schwartz J.R., Shinn P.,
RA Southwick A.M., Sun H., Tallon L.J., Tambunga G., Toriumi M.J., Town C.D.,
RA Utterback T., Van Aken S., Vaysberg M., Vysotskaia V.S., Walker M., Wu D.,
RA Yu G., Fraser C.M., Venter J.C., Davis R.W.;
RT "Sequence and analysis of chromosome 1 of the plant Arabidopsis thaliana.";
RL Nature 408:816-820(2000).
RN [2]
RP GENOME REANNOTATION.
RC STRAIN=cv. Columbia;
RX PubMed=27862469; DOI=10.1111/tpj.13415;
RA Cheng C.Y., Krishnakumar V., Chan A.P., Thibaud-Nissen F., Schobel S.,
RA Town C.D.;
RT "Araport11: a complete reannotation of the Arabidopsis thaliana reference
RT genome.";
RL Plant J. 89:789-804(2017).
RN [3]
RP NUCLEOTIDE SEQUENCE [LARGE SCALE MRNA].
RC STRAIN=cv. Columbia;
RA Totoki Y., Seki M., Ishida J., Nakajima M., Enju A., Kamiya A.,
RA Narusaka M., Shin-i T., Nakagawa M., Sakamoto N., Oishi K., Kohara Y.,
RA Kobayashi M., Toyoda A., Sakaki Y., Sakurai T., Iida K., Akiyama K.,
RA Satou M., Toyoda T., Konagaya A., Carninci P., Kawai J., Hayashizaki Y.,
RA Shinozaki K.;
RT "Large-scale analysis of RIKEN Arabidopsis full-length (RAFL) cDNAs.";
RL Submitted (JUL-2006) to the EMBL/GenBank/DDBJ databases.
RN [4]
RP TISSUE SPECIFICITY.
RX PubMed=16804053; DOI=10.1093/jxb/erl022;
RA Cai X., Davis E.J., Ballif J., Liang M., Bushman E., Haroldsen V.,
RA Torabinejad J., Wu Y.;
RT "Mutant identification and characterization of the laccase gene family in
RT Arabidopsis.";
RL J. Exp. Bot. 57:2563-2569(2006).
CC -!- FUNCTION: Lignin degradation and detoxification of lignin-derived
CC products. {ECO:0000250}.
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 -!- COFACTOR:
CC Name=Cu cation; Xref=ChEBI:CHEBI:23378; Evidence={ECO:0000250};
CC Note=Binds 4 Cu cations per monomer. {ECO:0000250};
CC -!- SUBCELLULAR LOCATION: Secreted, extracellular space, apoplast
CC {ECO:0000305}.
CC -!- TISSUE SPECIFICITY: Expressed in roots, stems and flowers.
CC {ECO:0000269|PubMed:16804053}.
CC -!- SIMILARITY: Belongs to the multicopper oxidase family. {ECO:0000305}.
CC -!- SEQUENCE CAUTION:
CC Sequence=AAF78389.1; Type=Erroneous gene model prediction; Evidence={ECO:0000305};
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DR EMBL; AC034107; AAF97830.1; -; Genomic_DNA.
DR EMBL; AC069551; AAF78389.1; ALT_SEQ; Genomic_DNA.
DR EMBL; CP002684; AEE29678.1; -; Genomic_DNA.
DR EMBL; AK227320; BAE99334.1; -; mRNA.
DR PIR; E86316; E86316.
DR RefSeq; NP_173252.2; NM_101674.4.
DR AlphaFoldDB; Q9LMS3; -.
DR SMR; Q9LMS3; -.
DR STRING; 3702.AT1G18140.1; -.
DR PaxDb; Q9LMS3; -.
DR PRIDE; Q9LMS3; -.
DR ProteomicsDB; 238403; -.
DR EnsemblPlants; AT1G18140.1; AT1G18140.1; AT1G18140.
DR GeneID; 838393; -.
DR Gramene; AT1G18140.1; AT1G18140.1; AT1G18140.
DR KEGG; ath:AT1G18140; -.
DR Araport; AT1G18140; -.
DR TAIR; locus:2194110; AT1G18140.
DR eggNOG; KOG1263; Eukaryota.
DR HOGENOM; CLU_006504_6_3_1; -.
DR InParanoid; Q9LMS3; -.
DR OMA; LVQWLVN; -.
DR OrthoDB; 454773at2759; -.
DR PhylomeDB; Q9LMS3; -.
DR BioCyc; ARA:AT1G18140-MON; -.
DR PRO; PR:Q9LMS3; -.
DR Proteomes; UP000006548; Chromosome 1.
DR ExpressionAtlas; Q9LMS3; baseline and differential.
DR Genevisible; Q9LMS3; AT.
DR GO; GO:0048046; C:apoplast; IEA:UniProtKB-SubCell.
DR GO; GO:0048226; C:Casparian strip; IDA:TAIR.
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:0016491; F:oxidoreductase activity; IBA:GO_Central.
DR GO; GO:0046274; P:lignin catabolic process; IEA:UniProtKB-KW.
DR CDD; cd13849; CuRO_1_LCC_plant; 1.
DR CDD; cd13875; CuRO_2_LCC_plant; 1.
DR CDD; cd13897; CuRO_3_LCC_plant; 1.
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 InterPro; IPR034288; CuRO_1_LCC.
DR InterPro; IPR034285; CuRO_2_LCC.
DR InterPro; IPR034289; CuRO_3_LCC.
DR InterPro; IPR017761; Laccase.
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 TIGRFAMs; TIGR03389; laccase; 1.
DR PROSITE; PS00079; MULTICOPPER_OXIDASE1; 1.
DR PROSITE; PS00080; MULTICOPPER_OXIDASE2; 1.
PE 2: Evidence at transcript level;
KW Apoplast; Copper; Glycoprotein; Lignin degradation; Metal-binding;
KW Oxidoreductase; Reference proteome; Repeat; Secreted; Signal.
FT SIGNAL 1..25
FT /evidence="ECO:0000255"
FT CHAIN 26..581
FT /note="Laccase-1"
FT /id="PRO_0000283629"
FT DOMAIN 34..150
FT /note="Plastocyanin-like 1"
FT DOMAIN 161..312
FT /note="Plastocyanin-like 2"
FT DOMAIN 429..565
FT /note="Plastocyanin-like 3"
FT BINDING 84
FT /ligand="Cu cation"
FT /ligand_id="ChEBI:CHEBI:23378"
FT /ligand_label="1"
FT /note="type 2 copper site"
FT /evidence="ECO:0000250"
FT BINDING 86
FT /ligand="Cu cation"
FT /ligand_id="ChEBI:CHEBI:23378"
FT /ligand_label="2"
FT /note="type 3 copper site"
FT /evidence="ECO:0000250"
FT BINDING 129
FT /ligand="Cu cation"
FT /ligand_id="ChEBI:CHEBI:23378"
FT /ligand_label="2"
FT /note="type 3 copper site"
FT /evidence="ECO:0000250"
FT BINDING 131
FT /ligand="Cu cation"
FT /ligand_id="ChEBI:CHEBI:23378"
FT /ligand_label="3"
FT /note="type 3 copper site"
FT /evidence="ECO:0000250"
FT BINDING 482
FT /ligand="Cu cation"
FT /ligand_id="ChEBI:CHEBI:23378"
FT /ligand_label="4"
FT /note="type 1 copper site"
FT /evidence="ECO:0000250"
FT BINDING 485
FT /ligand="Cu cation"
FT /ligand_id="ChEBI:CHEBI:23378"
FT /ligand_label="1"
FT /note="type 2 copper site"
FT /evidence="ECO:0000250"
FT BINDING 487
FT /ligand="Cu cation"
FT /ligand_id="ChEBI:CHEBI:23378"
FT /ligand_label="3"
FT /note="type 3 copper site"
FT /evidence="ECO:0000250"
FT BINDING 544
FT /ligand="Cu cation"
FT /ligand_id="ChEBI:CHEBI:23378"
FT /ligand_label="3"
FT /note="type 3 copper site"
FT /evidence="ECO:0000250"
FT BINDING 545
FT /ligand="Cu cation"
FT /ligand_id="ChEBI:CHEBI:23378"
FT /ligand_label="4"
FT /note="type 1 copper site"
FT /evidence="ECO:0000250"
FT BINDING 546
FT /ligand="Cu cation"
FT /ligand_id="ChEBI:CHEBI:23378"
FT /ligand_label="2"
FT /note="type 3 copper site"
FT /evidence="ECO:0000250"
FT BINDING 550
FT /ligand="Cu cation"
FT /ligand_id="ChEBI:CHEBI:23378"
FT /ligand_label="4"
FT /note="type 1 copper site"
FT /evidence="ECO:0000250"
FT CARBOHYD 80
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 300
FT /note="N-linked (GlcNAc...) asparagine"
FT /evidence="ECO:0000255"
FT CARBOHYD 386
FT /note="N-linked (GlcNAc...) asparagine"
FT /evidence="ECO:0000255"
FT CARBOHYD 403
FT /note="N-linked (GlcNAc...) asparagine"
FT /evidence="ECO:0000255"
SQ SEQUENCE 581 AA; 65229 MW; EE2071A7673C28AD CRC64;
MENLGFLIIS TFLLLFTTLL PYSSASTTRR FHFNVEWKKV TRLCHTKQLL TVNGQYPGPT
VAVHEGDIVE IKVTNRIAHN TTIHWHGLRQ YRTGWADGPA YITQCPIRSK QSYTYRFKVE
DQRGTLLWHA HHSWQRASVY GAFIIYPRQP YPFSGSHIQS EIPIILGEWW NDDVDNVEKA
MMKTGAGAKV SDAYTLNGLP GPLYPCSTKD TFTATVDAGK TYILRIINAA LNNELFVAVA
NHTLTVVEVD AVYTKPVHTK AIMIAPGQTT TLLLRADQLS GGEFLIAATP YVTSVFPFNN
STTVGFIRYT GKTKPENSVN TRRRRRLTAM STVVALPNML DTKFATKFSD SIKSLGSAKY
PCKVPTKIDK RVITTISLNL QDCPLNQTCD GYAGKRFFAS MNNISFVRPP ISILESYYKK
QSKGVFSLDF PEKPPNRFDF TGVDPVSENM NTEFGTKLFE VEFGSRLEIV FQGTSFLNIE
NHPLHVHGHN FFVVGRGFGN FDPEKDPKRY NLVDPPERNT FAVPTGGWAA IRINADNPGV
WFIHCHLEQH TSWGLAMGFI VKDGPLPSQT LLPPPHDLPQ C
