Annotations: 5XBR

Peroxiredoxin from Pyrococcus horikoshii (sulfonic acid form)

External Resource: Annotation

Domain Annotation: ECOD Classification
Domain Annotation: CATH
Gene Ontology: Gene Product Annotation
InterPro: Protein Family Classification
Protein Modification Annotation

Domain Annotation: ECOD Classification ECOD Database Homepage

Chains	Family Name	Domain Identifier	Architecture	Possible Homology	Homology	Topology	Family	Provenance Source (Version)
B	ATP-synt_VA_C	e5xbrB1	A: beta barrels	X: FAD-linked reductases, C-terminal domain-like	H: FAD-linked reductases-C	T: FAD-linked reductases-C	F: ATP-synt_VA_C	ECOD (v294.2)
A	Chromo	e5xbrA1	A: beta barrels	X: FAD-linked reductases, C-terminal domain-like	H: FAD-linked reductases-C	T: FAD-linked reductases-C	F: Chromo	ECOD (v294.2)

Domain Annotation: CATH CATH Database Homepage

Chain	Domain	Class	Architecture	Topology	Homology	Provenance Source (Version)
B	3.40.30.10	Alpha Beta	3-Layer(aba) Sandwich	Glutaredoxin	Glutaredoxin	CATH (4.3.0)
B	3.30.1020.10	Alpha Beta	2-Layer Sandwich	Antioxidant, Horf6	Chain A, domain 2	CATH (4.3.0)
A	3.40.30.10	Alpha Beta	3-Layer(aba) Sandwich	Glutaredoxin	Glutaredoxin	CATH (4.3.0)
A	3.30.1020.10	Alpha Beta	2-Layer Sandwich	Antioxidant, Horf6	Chain A, domain 2	CATH (4.3.0)

Gene Ontology: Gene Product Annotation Gene Ontology Database Homepage

Chains	Polymer	Molecular Function	Biological Process	Cellular Component
A, B	Peroxiredoxin	peroxidase activity oxidoreductase activity antioxidant activity oxidoreductase activity, acting on peroxide as acceptor catalytic activity peroxiredoxin activity thioredoxin-dependent peroxiredoxin activity thioredoxin peroxidase activity	cellular response to stimulus cellular response to stress response to stimulus response to stress cellular process catabolic process hydrogen peroxide metabolic process reactive oxygen species metabolic process metabolic process hydrogen peroxide catabolic process cell redox homeostasis cellular homeostasis homeostatic process response to oxidative stress cellular response to stimulus cellular response to stress response to stimulus response to stress cellular process catabolic process hydrogen peroxide metabolic process reactive oxygen species metabolic process metabolic process hydrogen peroxide catabolic process cell redox homeostasis cellular homeostasis homeostatic process response to oxidative stress cellular response to chemical stimulus cellular response to oxygen levels response to chemical response to oxygen levels response to abiotic stimulus	cellular anatomical structure intracellular anatomical structure cytoplasm cytosol

InterPro: Protein Family Classification InterPro Database Homepage

Chains	Accession	Name	Type
A, B	IPR019479	Peroxiredoxin, C-terminal	Domain
A, B	IPR024706	Peroxiredoxin, AhpC-type	Family
A, B	IPR050217	Thiol-specific antioxidant peroxiredoxin	Family
A, B	IPR013766	Thioredoxin domain	Domain
A, B	IPR022915	Peroxiredoxin, TDXH subfamily	Family
A, B	IPR045020	1-Cys peroxiredoxin	Family
A, B	IPR036249	Thioredoxin-like superfamily	Homologous Superfamily
A, B	IPR000866	Alkyl hydroperoxide reductase subunit C/ Thiol specific antioxidant	Domain

Protein Modification Annotation

Modified Residue(s)
Chain	Residue(s)	Description
A, B	OCS	Parent Component: CYS : AA0556 : L-cysteic acid (L-cysteine sulfonic acid) MOD:00460

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RCSB PDB Core Operations are funded by the U.S. National Science Foundation (DBI-2321666), 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 R01GM157729. RCSB PDB uses resources of the National Energy Research Scientific Computing Center (NERSC), a Department of Energy User Facility.