Annotations: 4G5E

Domain Annotation: ECOD Classification ECOD Database Homepage

Chains	Family Name	Domain Identifier	Architecture	Possible Homology	Homology	Topology	Family	Provenance Source (Version)
A	HpaB_N_C	e4g5eA3	A: beta complex topology	X: Acyl-CoA dehydrogenase middle domain-like (From Topology)	H: Acyl-CoA dehydrogenase middle domain-like (From Topology)	T: Acyl-CoA dehydrogenase middle domain-like	F: HpaB_N_C	ECOD (1.6)
A	HpaB_N_N	e4g5eA2	A: alpha arrays	X: Acyl-CoA dehydrogenase N-terminal domain-like (From Topology)	H: Acyl-CoA dehydrogenase N-terminal domain-like (From Topology)	T: Acyl-CoA dehydrogenase N-terminal domain-like	F: HpaB_N_N	ECOD (1.6)
A	HpaB	e4g5eA1	A: alpha bundles	X: Bromodomain-like	H: Acyl-CoA dehydrogenase C-terminal domain-like (From Topology)	T: Acyl-CoA dehydrogenase C-terminal domain-like	F: HpaB	ECOD (1.6)
B	HpaB_N_C	e4g5eB4	A: beta complex topology	X: Acyl-CoA dehydrogenase middle domain-like (From Topology)	H: Acyl-CoA dehydrogenase middle domain-like (From Topology)	T: Acyl-CoA dehydrogenase middle domain-like	F: HpaB_N_C	ECOD (1.6)
B	HpaB_N_N	e4g5eB5	A: alpha arrays	X: Acyl-CoA dehydrogenase N-terminal domain-like (From Topology)	H: Acyl-CoA dehydrogenase N-terminal domain-like (From Topology)	T: Acyl-CoA dehydrogenase N-terminal domain-like	F: HpaB_N_N	ECOD (1.6)
B	HpaB	e4g5eB6	A: alpha bundles	X: Bromodomain-like	H: Acyl-CoA dehydrogenase C-terminal domain-like (From Topology)	T: Acyl-CoA dehydrogenase C-terminal domain-like	F: HpaB	ECOD (1.6)
C	HpaB_N_C	e4g5eC4	A: beta complex topology	X: Acyl-CoA dehydrogenase middle domain-like (From Topology)	H: Acyl-CoA dehydrogenase middle domain-like (From Topology)	T: Acyl-CoA dehydrogenase middle domain-like	F: HpaB_N_C	ECOD (1.6)
C	HpaB_N_N	e4g5eC5	A: alpha arrays	X: Acyl-CoA dehydrogenase N-terminal domain-like (From Topology)	H: Acyl-CoA dehydrogenase N-terminal domain-like (From Topology)	T: Acyl-CoA dehydrogenase N-terminal domain-like	F: HpaB_N_N	ECOD (1.6)
C	HpaB	e4g5eC6	A: alpha bundles	X: Bromodomain-like	H: Acyl-CoA dehydrogenase C-terminal domain-like (From Topology)	T: Acyl-CoA dehydrogenase C-terminal domain-like	F: HpaB	ECOD (1.6)
D	HpaB_N_C	e4g5eD4	A: beta complex topology	X: Acyl-CoA dehydrogenase middle domain-like (From Topology)	H: Acyl-CoA dehydrogenase middle domain-like (From Topology)	T: Acyl-CoA dehydrogenase middle domain-like	F: HpaB_N_C	ECOD (1.6)
D	HpaB_N_N	e4g5eD5	A: alpha arrays	X: Acyl-CoA dehydrogenase N-terminal domain-like (From Topology)	H: Acyl-CoA dehydrogenase N-terminal domain-like (From Topology)	T: Acyl-CoA dehydrogenase N-terminal domain-like	F: HpaB_N_N	ECOD (1.6)
D	HpaB	e4g5eD6	A: alpha bundles	X: Bromodomain-like	H: Acyl-CoA dehydrogenase C-terminal domain-like (From Topology)	T: Acyl-CoA dehydrogenase C-terminal domain-like	F: HpaB	ECOD (1.6)

Domain Annotation: CATH CATH Database Homepage

Chain	Domain	Class	Architecture	Topology	Homology	Provenance Source (Version)
A	1.10.3140.10	Mainly Alpha	Orthogonal Bundle	4-hydroxybutyryl-coa dehydratase, domain 1	4-hydroxybutyryl-coa dehydratase, domain 1	CATH (4.3.0)
A	2.40.110.10	Mainly Beta	Beta Barrel	Butyryl-CoA Dehydrogenase, subunit A	domain 2	CATH (4.3.0)
A	1.20.140.10	Mainly Alpha	Up-down Bundle	Butyryl-CoA Dehydrogenase, subunit A	domain 3	CATH (4.3.0)
B	1.10.3140.10	Mainly Alpha	Orthogonal Bundle	4-hydroxybutyryl-coa dehydratase, domain 1	4-hydroxybutyryl-coa dehydratase, domain 1	CATH (4.3.0)
B	2.40.110.10	Mainly Beta	Beta Barrel	Butyryl-CoA Dehydrogenase, subunit A	domain 2	CATH (4.3.0)
B	1.20.140.10	Mainly Alpha	Up-down Bundle	Butyryl-CoA Dehydrogenase, subunit A	domain 3	CATH (4.3.0)
C	1.10.3140.10	Mainly Alpha	Orthogonal Bundle	4-hydroxybutyryl-coa dehydratase, domain 1	4-hydroxybutyryl-coa dehydratase, domain 1	CATH (4.3.0)
C	2.40.110.10	Mainly Beta	Beta Barrel	Butyryl-CoA Dehydrogenase, subunit A	domain 2	CATH (4.3.0)
C	1.20.140.10	Mainly Alpha	Up-down Bundle	Butyryl-CoA Dehydrogenase, subunit A	domain 3	CATH (4.3.0)
D	1.10.3140.10	Mainly Alpha	Orthogonal Bundle	4-hydroxybutyryl-coa dehydratase, domain 1	4-hydroxybutyryl-coa dehydratase, domain 1	CATH (4.3.0)
D	2.40.110.10	Mainly Beta	Beta Barrel	Butyryl-CoA Dehydrogenase, subunit A	domain 2	CATH (4.3.0)
D	1.20.140.10	Mainly Alpha	Up-down Bundle	Butyryl-CoA Dehydrogenase, subunit A	domain 3	CATH (4.3.0)

Protein Family Annotation Pfam Database Homepage

Chains	Accession	Name	Description	Comments	Source
A, B, C, D	PF11794	4-hydroxyphenylacetate 3-hydroxylase N terminal (HpaB_N)	4-hydroxyphenylacetate 3-hydroxylase N terminal	-	Family
A, B, C, D	PF03241	4-hydroxyphenylacetate 3-hydroxylase C terminal (HpaB)	4-hydroxyphenylacetate 3-hydroxylase C terminal	-	Family

Gene Ontology: Gene Product Annotation Gene Ontology Database Homepage

Chains	Polymer	Molecular Function	Biological Process	Cellular Component
A, B, C, D	2,4,6-Trichlorophenol 4-monooxygenase	monooxygenase activity oxidoreductase activity catalytic activity oxidoreductase activity, acting on the CH-CH group of donors	catabolic process metabolic process	-

InterPro: Protein Family Classification InterPro Database Homepage

Chains	Accession	Name	Type
A, B, C, D	IPR009100	Acyl-CoA dehydrogenase/oxidase, N-terminal and middle domain superfamily	Homologous Superfamily
A, B, C, D	IPR024719	HpaB/PvcC/4-BUDH C-terminal	Domain
A, B, C, D	IPR046373	Acyl-CoA oxidase/dehydrogenase, middle domain superfamily	Homologous Superfamily
A, B, C, D	IPR004925	HpaB/PvcC/4-BUDH	Family
A, B, C, D	IPR036250	Acyl-CoA dehydrogenase-like, C-terminal	Homologous Superfamily
A, B, C, D	IPR024674	HpaB/PvcC/4-BUDH N-terminal	Domain

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.