| IED ID | IndEnz0015000010 |
| Enzyme Type ID | laccase000010 |
| Protein Name |
Laccase-4 EC 1.10.3.2 Benzenediol:oxygen oxidoreductase 4 Diphenol oxidase 4 Protein IRREGULAR XYLEM 12 Urishiol oxidase 4 |
| Gene Name | IRX12 LAC4 At2g38080 F16M14.1 |
| Organism | Arabidopsis thaliana (Mouse-ear cress) |
| Taxonomic Lineage | cellular organisms Eukaryota Viridiplantae Streptophyta Streptophytina Embryophyta Tracheophyta Euphyllophyta Spermatophyta Magnoliopsida Mesangiospermae eudicotyledons Gunneridae Pentapetalae rosids malvids Brassicales Brassicaceae Camelineae Arabidopsis Arabidopsis thaliana (Mouse-ear cress) |
| Enzyme Sequence | MGSHMVWFLFLVSFFSVFPAPSESMVRHYKFNVVMKNVTRLCSSKPTVTVNGRYPGPTIYAREDDTLLIKVVNHVKYNVSIHWHGVRQVRTGWADGPAYITQCPIQPGQVYTYNYTLTGQRGTLWWHAHILWLRATVYGALVILPKRGVPYPFPKPDNEKVIVLGEWWKSDTENIINEALKSGLAPNVSDSHMINGHPGPVRNCPSQGYKLSVENGKTYLLRLVNAALNEELFFKVAGHIFTVVEVDAVYVKPFKTDTVLIAPGQTTNVLLTASKSAGKYLVTASPFMDAPIAVDNVTATATVHYSGTLSSSPTILTLPPPQNATSIANNFTNSLRSLNSKKYPALVPTTIDHHLFFTVGLGLNACPTCKAGNGSRVVASINNVTFIMPKTALLPAHYFNTSGVFTTDFPKNPPHVFNYSGGSVTNMATETGTRLYKLPYNATVQLVLQDTGVIAPENHPVHLHGFNFFEVGRGLGNFNSTKDPKNFNLVDPVERNTIGVPSGGWVVIRFRADNPGVWFMHCHLEVHTTWGLKMAFLVENGKGPNQSILPPPKDLPKC |
| Enzyme Length | 558 |
| Uniprot Accession Number | O80434 |
| Absorption | |
| Active Site | |
| Activity Regulation | |
| Binding Site | |
| Calcium Binding | |
| catalytic Activity | CATALYTIC ACTIVITY: Reaction=4 hydroquinone + O2 = 4 benzosemiquinone + 2 H2O; Xref=Rhea:RHEA:11276, ChEBI:CHEBI:15377, ChEBI:CHEBI:15379, ChEBI:CHEBI:17594, ChEBI:CHEBI:17977; EC=1.10.3.2; |
| DNA Binding | |
| EC Number | 1.10.3.2 |
| Enzyme Function | FUNCTION: Lignin degradation and detoxification of lignin-derived products (By similarity). Required for secondary xylem cell wall lignification. {ECO:0000250, ECO:0000269|PubMed:15980264}. |
| Temperature Dependency | |
| PH Dependency | |
| Pathway | |
| nucleotide Binding | |
| Features | Chain (1); Domain (3); Glycosylation (14); Metal binding (11); Signal peptide (1) |
| Keywords | Apoplast;Copper;Glycoprotein;Lignin degradation;Metal-binding;Oxidoreductase;Reference proteome;Repeat;Secreted;Signal |
| Interact With | |
| Induction | |
| Subcellular Location | SUBCELLULAR LOCATION: Secreted, extracellular space, apoplast {ECO:0000305}. |
| Modified Residue | |
| Post Translational Modification | |
| Signal Peptide | SIGNAL 1..24; /evidence=ECO:0000255 |
| Structure 3D | |
| Cross Reference PDB | - |
| Mapped Pubmed ID | 14576160; 15258262; 15618413; 15937231; 16103214; 16214898; 16243908; 16367961; 17329564; 17565617; 18408011; 18467456; 18480120; 18487634; 19122102; 19325888; 19582540; 21063888; 21069430; 21447792; 24143805; 24975689; 25157028; 25533953; 26379777; 29481639; 30317651; 32699027; 33005856; 8921917; 9914531; |
| Motif | |
| Gene Encoded By | |
| Mass | 61,527 |
| Kinetics | |
| Metal Binding | METAL 82; /note=Copper 1; type 2; /evidence=ECO:0000250; METAL 84; /note=Copper 2; type 3; /evidence=ECO:0000250; METAL 127; /note=Copper 2; type 3; /evidence=ECO:0000250; METAL 129; /note=Copper 3; type 3; /evidence=ECO:0000250; METAL 459; /note=Copper 4; type 1; /evidence=ECO:0000250; METAL 462; /note=Copper 1; type 2; /evidence=ECO:0000250; METAL 464; /note=Copper 3; type 3; /evidence=ECO:0000250; METAL 521; /note=Copper 3; type 3; /evidence=ECO:0000250; METAL 522; /note=Copper 4; type 1; /evidence=ECO:0000250; METAL 523; /note=Copper 2; type 3; /evidence=ECO:0000250; METAL 527; /note=Copper 4; type 1; /evidence=ECO:0000250 |
| Rhea ID | RHEA:11276 |
| Cross Reference Brenda |