3HYW

3-D X-Ray structure of the sulfide:quinone oxidoreductase of the hyperthermophilic bacterium Aquifex aeolicus in complex with decylubiquinone

External Resource: Annotation

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

Domain Annotation: ECOD Classification ECOD Database Homepage

Chains	Family Name	Domain Identifier	Architecture	Possible Homology	Homology	Topology	Family	Provenance Source (Version)
A	Pyr_redox_2_2	e3hywA1	A: a/b three-layered sandwiches	X: Rossmann-like	H: Rossmann-related	T: FAD/NAD(P)-binding domain	F: Pyr_redox_2_2	ECOD (1.6)
A	Pyr_redox_2	e3hywA2	A: a/b three-layered sandwiches	X: Rossmann-like	H: Rossmann-related	T: FAD/NAD(P)-binding domain	F: Pyr_redox_2	ECOD (1.6)
C	Pyr_redox_2_2	e3hywC1	A: a/b three-layered sandwiches	X: Rossmann-like	H: Rossmann-related	T: FAD/NAD(P)-binding domain	F: Pyr_redox_2_2	ECOD (1.6)
C	Pyr_redox_2	e3hywC2	A: a/b three-layered sandwiches	X: Rossmann-like	H: Rossmann-related	T: FAD/NAD(P)-binding domain	F: Pyr_redox_2	ECOD (1.6)
D	Pyr_redox_2_2	e3hywD1	A: a/b three-layered sandwiches	X: Rossmann-like	H: Rossmann-related	T: FAD/NAD(P)-binding domain	F: Pyr_redox_2_2	ECOD (1.6)
D	Pyr_redox_2	e3hywD2	A: a/b three-layered sandwiches	X: Rossmann-like	H: Rossmann-related	T: FAD/NAD(P)-binding domain	F: Pyr_redox_2	ECOD (1.6)
F	Pyr_redox_2_2	e3hywF2	A: a/b three-layered sandwiches	X: Rossmann-like	H: Rossmann-related	T: FAD/NAD(P)-binding domain	F: Pyr_redox_2_2	ECOD (1.6)
F	Pyr_redox_2	e3hywF1	A: a/b three-layered sandwiches	X: Rossmann-like	H: Rossmann-related	T: FAD/NAD(P)-binding domain	F: Pyr_redox_2	ECOD (1.6)
B	Pyr_redox_2_2	e3hywB1	A: a/b three-layered sandwiches	X: Rossmann-like	H: Rossmann-related	T: FAD/NAD(P)-binding domain	F: Pyr_redox_2_2	ECOD (1.6)
B	Pyr_redox_2	e3hywB2	A: a/b three-layered sandwiches	X: Rossmann-like	H: Rossmann-related	T: FAD/NAD(P)-binding domain	F: Pyr_redox_2	ECOD (1.6)
E	Pyr_redox_2_2	e3hywE1	A: a/b three-layered sandwiches	X: Rossmann-like	H: Rossmann-related	T: FAD/NAD(P)-binding domain	F: Pyr_redox_2_2	ECOD (1.6)
E	Pyr_redox_2	e3hywE2	A: a/b three-layered sandwiches	X: Rossmann-like	H: Rossmann-related	T: FAD/NAD(P)-binding domain	F: Pyr_redox_2	ECOD (1.6)

Domain Annotation: CATH CATH Database Homepage

Chain	Domain	Class	Architecture	Topology	Homology	Provenance Source (Version)
A	3.50.50.100	Alpha Beta	3-Layer(bba) Sandwich	FAD/NAD(P)-binding domain		CATH (4.3.0)
C	3.50.50.100	Alpha Beta	3-Layer(bba) Sandwich	FAD/NAD(P)-binding domain		CATH (4.3.0)
D	3.50.50.100	Alpha Beta	3-Layer(bba) Sandwich	FAD/NAD(P)-binding domain		CATH (4.3.0)
F	3.50.50.100	Alpha Beta	3-Layer(bba) Sandwich	FAD/NAD(P)-binding domain		CATH (4.3.0)
B	3.50.50.100	Alpha Beta	3-Layer(bba) Sandwich	FAD/NAD(P)-binding domain		CATH (4.3.0)
E	3.50.50.100	Alpha Beta	3-Layer(bba) Sandwich	FAD/NAD(P)-binding domain		CATH (4.3.0)

Protein Family Annotation Pfam Database Homepage

Chains	Accession	Name	Description	Comments	Source
A, B, C, D, E A, B, C, D, E, F	PF07992	Pyridine nucleotide-disulphide oxidoreductase (Pyr_redox_2)	Pyridine nucleotide-disulphide oxidoreductase	This family includes both class I and class II oxidoreductases and also NADH oxidases and peroxidases. This domain is actually a small NADH binding domain within a larger FAD binding domain.	Domain

Gene Ontology: Gene Product Annotation Gene Ontology Database Homepage

Chains	Polymer	Molecular Function	Biological Process	Cellular Component
A, B, C, D, E A, B, C, D, E, F	Sulfide-quinone reductase	oxidoreductase activity, acting on a sulfur group of donors oxidoreductase activity sulfide:quinone oxidoreductase activity catalytic activity oxidoreductase activity, acting on a sulfur group of donors, quinone or similar compound as acceptor NAD(P)H dehydrogenase (quinone) activity oxidoreductase activity, acting on NAD(P)H oxidoreductase activity, acting on NAD(P)H, quinone or similar compound as acceptor binding nucleoside phosphate binding organic cyclic compound binding nucleotide binding heterocyclic compound binding small molecule binding oxidoreductase activity, acting on a sulfur group of donors oxidoreductase activity sulfide:quinone oxidoreductase activity catalytic activity oxidoreductase activity, acting on a sulfur group of donors, quinone or similar compound as acceptor NAD(P)H dehydrogenase (quinone) activity oxidoreductase activity, acting on NAD(P)H oxidoreductase activity, acting on NAD(P)H, quinone or similar compound as acceptor binding nucleoside phosphate binding organic cyclic compound binding nucleotide binding heterocyclic compound binding small molecule binding identical protein binding protein binding quinone binding	aerobic electron transport chain aerobic respiration cellular respiration oxidative phosphorylation energy derivation by oxidation of organic compounds cellular metabolic process electron transport chain generation of precursor metabolites and energy respiratory electron transport chain metabolic process cellular process	membrane cellular anatomical entity

InterPro: Protein Family Classification InterPro Database Homepage

Chains	Accession	Name	Type
A, B, C, D, E A, B, C, D, E, F	IPR023753	FAD/NAD(P)-binding domain	Domain
A, B, C, D, E A, B, C, D, E, F	IPR051169	NADH:quinone oxidoreductase/NAD(P)H-quinone oxidoreductase	Family
A, B, C, D, E A, B, C, D, E, F	IPR036188	FAD/NAD(P)-binding domain superfamily	Homologous Superfamily

Membrane Protein Annotation: mpstruc mpstruc Database Homepage

Chains	Resource Link	Group	Subgroup	Protein
A, B, C, D, E A, B, C, D, E, F	mpstruc	MONOTOPIC MEMBRANE PROTEINS	Oxidoreductases (Monotopic)	Sulfide:quinone oxidoreductase in complex with decylubiquinone

Protein Modification Annotation

Modified Residue(s)
Chain	Residue(s)	Description
A, B, C, D, E A, B, C, D, E, F	CSS	Parent Component: CYS RESID: AA0269 PSI-MOD : L-cysteine persulfide MOD:00274

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.