6A6Q

Crystal structure of a lignin peroxidase isozyme H8 variant that is stable at very acidic pH

External Resource: Annotation

Domain Annotation: SCOP/SCOPe Classification
Domain Annotation: SCOP2 Classification
Domain Annotation: ECOD Classification
Domain Annotation: CATH
Protein Family Annotation
Gene Ontology: Gene Product Annotation
InterPro: Protein Family Classification
Protein Modification Annotation

Domain Annotation: SCOP/SCOPe Classification SCOP Database Homepage

Chains	Domain Info	Class	Fold	Superfamily	Family	Domain	Species	Provenance Source (Version)
A	d6a6qa_	All alpha proteins	Heme-dependent peroxidases	Heme-dependent peroxidases	CCP-like	automated matches	White-rot fungus (Phanerochaete chrysosporium RP-78 ) [TaxId: 273507 ],	SCOPe (2.08)

Domain Annotation: SCOP2 Classification SCOP2 Database Homepage

Chains	Type	Family Name	Domain Identifier	Family Identifier	Provenance Source (Version)
A	SCOP2B Superfamily	Heme-dependent peroxidases	8079578	3000844	SCOP2B (2022-06-29)

Domain Annotation: ECOD Classification ECOD Database Homepage

Chains	Family Name	Domain Identifier	Architecture	Possible Homology	Homology	Topology	Family	Provenance Source (Version)
A	peroxidase	e6a6qA1	A: alpha complex topology	X: Heme-dependent peroxidases (From Topology)	H: Heme-dependent peroxidases (From Topology)	T: Heme-dependent peroxidases	F: peroxidase	ECOD (1.6)

Domain Annotation: CATH CATH Database Homepage

Chain	Domain	Class	Architecture	Topology	Homology	Provenance Source (Version)
A	1.10.520.10	Mainly Alpha	Orthogonal Bundle	Peroxidase	domain 1	CATH (4.3.0)
A	1.10.420.10	Mainly Alpha	Orthogonal Bundle	Peroxidase	domain 2	CATH (4.3.0)

Protein Family Annotation Pfam Database Homepage

Chains	Accession	Name	Description	Comments	Source
A	PF11895	Fungal peroxidase extension region (Peroxidase_ext)	Fungal peroxidase extension region	-	Family
A	PF00141	Peroxidase (peroxidase)	Peroxidase	-	Domain

Gene Ontology: Gene Product Annotation Gene Ontology Database Homepage

Chains	Polymer	Molecular Function	Biological Process	Cellular Component
A	Ligninase H8	binding organic cyclic compound binding tetrapyrrole binding heme binding peroxidase activity oxidoreductase activity diarylpropane peroxidase activity antioxidant activity oxidoreductase activity, acting on peroxide as acceptor catalytic activity cation binding ion binding metal ion binding small molecule binding	cellular catabolic process catabolic process cellular metabolic process hydrogen peroxide metabolic process reactive oxygen species metabolic process metabolic process cellular process hydrogen peroxide catabolic process phenylpropanoid catabolic process phenylpropanoid metabolic process aromatic compound catabolic process organic cyclic compound catabolic process secondary metabolic process lignin metabolic process cellular catabolic process catabolic process cellular metabolic process hydrogen peroxide metabolic process reactive oxygen species metabolic process metabolic process cellular process hydrogen peroxide catabolic process phenylpropanoid catabolic process phenylpropanoid metabolic process aromatic compound catabolic process organic cyclic compound catabolic process secondary metabolic process lignin metabolic process organic cyclic compound metabolic process organic substance metabolic process lignin catabolic process organic substance catabolic process cellular aromatic compound metabolic process cellular response to stimulus response to oxidative stress cellular response to chemical stimulus response to stimulus cellular response to stress response to stress response to chemical cellular response to oxidative stress cellular response to chemical stress	-

InterPro: Protein Family Classification InterPro Database Homepage

Chains	Accession	Name	Type
A	IPR002016	Haem peroxidase	Domain
A	IPR019794	Peroxidase, active site	Active Site
A	IPR010255	Haem peroxidase superfamily	Homologous Superfamily
A	IPR001621	Fungal ligninase	Family
A	IPR024589	Fungal ligninase, C-terminal	Domain
A	IPR044831	Heme-binding peroxidase Ccp1-like	Family
A	IPR019793	Peroxidases heam-ligand binding site	Binding Site

Protein Modification Annotation

Modified Residue(s)
Chain	Residue(s)	Description
A	HTR	Parent Component: TRP RESID: AA0322 PSI-MOD : 3-hydroxy-L-tryptophan MOD:00327

RCSB PDB Core Operations are funded by the National Science Foundation (DBI-1832184), the US Department of Energy (DE-SC0019749), and the National Cancer Institute, National Institute of Allergy and Infectious Diseases, and National Institute of General Medical Sciences of the National Institutes of Health under grant R01GM133198.