1XDQ

Structural and Biochemical Identification of a Novel Bacterial Oxidoreductase

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

Domain Annotation: SCOP/SCOPe Classification SCOP Database Homepage

Chains	Domain Info	Class	Fold	Superfamily	Family	Domain	Species	Provenance Source (Version)
A	d1xdqa_	Alpha and beta proteins (a+b)	Oxidoreductase molybdopterin-binding domain	Oxidoreductase molybdopterin-binding domain	Oxidoreductase molybdopterin-binding domain	Bacterial sulfite oxidase YedY	(Escherichia coli ) [TaxId: 562 ],	SCOPe (2.08)
B	d1xdqb_	Alpha and beta proteins (a+b)	Oxidoreductase molybdopterin-binding domain	Oxidoreductase molybdopterin-binding domain	Oxidoreductase molybdopterin-binding domain	Bacterial sulfite oxidase YedY	(Escherichia coli ) [TaxId: 562 ],	SCOPe (2.08)
C	d1xdqc_	Alpha and beta proteins (a+b)	Oxidoreductase molybdopterin-binding domain	Oxidoreductase molybdopterin-binding domain	Oxidoreductase molybdopterin-binding domain	Bacterial sulfite oxidase YedY	(Escherichia coli ) [TaxId: 562 ],	SCOPe (2.08)
D	d1xdqd_	Alpha and beta proteins (a+b)	Oxidoreductase molybdopterin-binding domain	Oxidoreductase molybdopterin-binding domain	Oxidoreductase molybdopterin-binding domain	Bacterial sulfite oxidase YedY	(Escherichia coli ) [TaxId: 562 ],	SCOPe (2.08)
E	d1xdqe_	Alpha and beta proteins (a+b)	Oxidoreductase molybdopterin-binding domain	Oxidoreductase molybdopterin-binding domain	Oxidoreductase molybdopterin-binding domain	Bacterial sulfite oxidase YedY	(Escherichia coli ) [TaxId: 562 ],	SCOPe (2.08)

Domain Annotation: SCOP2 Classification SCOP2 Database Homepage

Chains	Type	Family Name	Domain Identifier	Family Identifier	Provenance Source (Version)
A	SCOP2B Superfamily	Oxidoreductase molybdopterin-binding domain	8043844	3001433	SCOP2B (2022-06-29)
B	SCOP2B Superfamily	Oxidoreductase molybdopterin-binding domain	8043844	3001433	SCOP2B (2022-06-29)
C	SCOP2B Superfamily	Oxidoreductase molybdopterin-binding domain	8043844	3001433	SCOP2B (2022-06-29)
D	SCOP2B Superfamily	Oxidoreductase molybdopterin-binding domain	8043844	3001433	SCOP2B (2022-06-29)
E	SCOP2B Superfamily	Oxidoreductase molybdopterin-binding domain	8043844	3001433	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	Oxidored_molyb	e1xdqA1	A: a+b two layers	X: beta-Grasp	H: Ubiquitin-related	T: Sulfite oxidase, middle catalytic domain	F: Oxidored_molyb	ECOD (1.6)
B	Oxidored_molyb	e1xdqB1	A: a+b two layers	X: beta-Grasp	H: Ubiquitin-related	T: Sulfite oxidase, middle catalytic domain	F: Oxidored_molyb	ECOD (1.6)
C	Oxidored_molyb	e1xdqC1	A: a+b two layers	X: beta-Grasp	H: Ubiquitin-related	T: Sulfite oxidase, middle catalytic domain	F: Oxidored_molyb	ECOD (1.6)
D	Oxidored_molyb	e1xdqD1	A: a+b two layers	X: beta-Grasp	H: Ubiquitin-related	T: Sulfite oxidase, middle catalytic domain	F: Oxidored_molyb	ECOD (1.6)
E	Oxidored_molyb	e1xdqE1	A: a+b two layers	X: beta-Grasp	H: Ubiquitin-related	T: Sulfite oxidase, middle catalytic domain	F: Oxidored_molyb	ECOD (1.6)

Domain Annotation: CATH CATH Database Homepage

Chain	Domain	Class	Architecture	Topology	Homology	Provenance Source (Version)
A	3.90.420.10	Alpha Beta	Alpha-Beta Complex	Sulfite Oxidase	Chain A, domain 2	CATH (4.3.0)
B	3.90.420.10	Alpha Beta	Alpha-Beta Complex	Sulfite Oxidase	Chain A, domain 2	CATH (4.3.0)
C	3.90.420.10	Alpha Beta	Alpha-Beta Complex	Sulfite Oxidase	Chain A, domain 2	CATH (4.3.0)
D	3.90.420.10	Alpha Beta	Alpha-Beta Complex	Sulfite Oxidase	Chain A, domain 2	CATH (4.3.0)
E	3.90.420.10	Alpha Beta	Alpha-Beta Complex	Sulfite Oxidase	Chain A, domain 2	CATH (4.3.0)

Protein Family Annotation Pfam Database Homepage

Chains	Accession	Name	Description	Comments	Source
A, B, C, D, E	PF00174	Oxidoreductase molybdopterin binding domain (Oxidored_molyb)	Oxidoreductase molybdopterin binding domain	This domain is found in a variety of oxidoreductases. This domain binds to a molybdopterin cofactor. Xanthine dehydrogenases, that also bind molybdopterin, have essentially no similarity.	Domain

Gene Ontology: Gene Product Annotation Gene Ontology Database Homepage

Chains	Polymer	Molecular Function	Biological Process	Cellular Component
A, B, C, D, E	Bacterial Sulfite Oxidase	binding organic cyclic compound binding molybdopterin cofactor binding oxidoreductase activity, acting on a sulfur group of donors oxidoreductase activity catalytic activity oxidoreductase activity, acting on a sulfur group of donors, quinone or similar compound as acceptor oxidoreductase activity, acting on a heme group of donors cation binding ion binding metal ion binding small molecule binding	response to oxidative stress response to stimulus response to hypochlorite response to stress response to chemical response to oxygen-containing compound response to reactive oxygen species response to inorganic substance organic substance metabolic process organonitrogen compound metabolic process protein repair metabolic process primary metabolic process protein metabolic process response to oxidative stress response to stimulus response to hypochlorite response to stress response to chemical response to oxygen-containing compound response to reactive oxygen species response to inorganic substance organic substance metabolic process organonitrogen compound metabolic process protein repair metabolic process primary metabolic process protein metabolic process macromolecule metabolic process	outer membrane-bounded periplasmic space cell envelope periplasmic space cellular anatomical entity

InterPro: Protein Family Classification InterPro Database Homepage

Chains	Accession	Name	Type
A, B, C, D, E	IPR000572	Oxidoreductase, molybdopterin-binding domain	Domain
A, B, C, D, E	IPR006311	Twin-arginine translocation pathway, signal sequence	Conserved Site
A, B, C, D, E	IPR036374	Oxidoreductase, molybdopterin-binding domain superfamily	Homologous Superfamily
A, B, C, D, E	IPR022867	Protein-methionine-sulfoxide reductase subunit MsrP	Family

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.