3V77

Crystal structure of a putative fumarylacetoacetate isomerase/hydrolase from Oleispira antarctica

External Resource: Annotation

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: SCOP2 Classification SCOP2 Database Homepage

Chains	Type	Family Name	Domain Identifier	Family Identifier	Provenance Source (Version)
A	SCOP2 Family	FAH	8081962	4002580	SCOP2 (2022-06-29)
A	SCOP2 Superfamily	FAH	8081963	3001446	SCOP2 (2022-06-29)
B	SCOP2B Superfamily	FAH	8081963	3001446	SCOP2B (2022-06-29)
C	SCOP2B Superfamily	FAH	8081963	3001446	SCOP2B (2022-06-29)
D	SCOP2B Superfamily	FAH	8081963	3001446	SCOP2B (2022-06-29)
E	SCOP2B Superfamily	FAH	8081963	3001446	SCOP2B (2022-06-29)
F	SCOP2B Superfamily	FAH	8081963	3001446	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	FAA_hydrolase	e3v77A1	A: beta sandwiches	X: Immunoglobulin-like beta-sandwich	H: FAH (From Topology)	T: FAH	F: FAA_hydrolase	ECOD (1.6)
B	FAA_hydrolase	e3v77B1	A: beta sandwiches	X: Immunoglobulin-like beta-sandwich	H: FAH (From Topology)	T: FAH	F: FAA_hydrolase	ECOD (1.6)
C	FAA_hydrolase	e3v77C1	A: beta sandwiches	X: Immunoglobulin-like beta-sandwich	H: FAH (From Topology)	T: FAH	F: FAA_hydrolase	ECOD (1.6)
D	FAA_hydrolase	e3v77D1	A: beta sandwiches	X: Immunoglobulin-like beta-sandwich	H: FAH (From Topology)	T: FAH	F: FAA_hydrolase	ECOD (1.6)
E	FAA_hydrolase	e3v77E1	A: beta sandwiches	X: Immunoglobulin-like beta-sandwich	H: FAH (From Topology)	T: FAH	F: FAA_hydrolase	ECOD (1.6)
F	FAA_hydrolase	e3v77F1	A: beta sandwiches	X: Immunoglobulin-like beta-sandwich	H: FAH (From Topology)	T: FAH	F: FAA_hydrolase	ECOD (1.6)

Domain Annotation: CATH CATH Database Homepage

Chain	Domain	Class	Architecture	Topology	Homology	Provenance Source (Version)
A	3.90.850.10	Alpha Beta	Alpha-Beta Complex	Fumarylacetoacetate hydrolase	domain 2	CATH (4.3.0)
B	3.90.850.10	Alpha Beta	Alpha-Beta Complex	Fumarylacetoacetate hydrolase	domain 2	CATH (4.3.0)
C	3.90.850.10	Alpha Beta	Alpha-Beta Complex	Fumarylacetoacetate hydrolase	domain 2	CATH (4.3.0)
D	3.90.850.10	Alpha Beta	Alpha-Beta Complex	Fumarylacetoacetate hydrolase	domain 2	CATH (4.3.0)
E	3.90.850.10	Alpha Beta	Alpha-Beta Complex	Fumarylacetoacetate hydrolase	domain 2	CATH (4.3.0)
F	3.90.850.10	Alpha Beta	Alpha-Beta Complex	Fumarylacetoacetate hydrolase	domain 2	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	PF01557	Fumarylacetoacetate (FAA) hydrolase C-terminal (FAA_hydrolase)	Fumarylacetoacetate (FAA) hydrolase C-terminal	This entry consists of fumarylacetoacetate (FAA) hydrolase, or fumarylacetoacetate hydrolase (FAH) and it also includes HHDD isomerase/OPET decarboxylase from E. coli strain W. FAA is the last enzyme in the tyrosine catabolic pathway, it hydroly ...	This entry consists of fumarylacetoacetate (FAA) hydrolase, or fumarylacetoacetate hydrolase (FAH) and it also includes HHDD isomerase/OPET decarboxylase from E. coli strain W. FAA is the last enzyme in the tyrosine catabolic pathway, it hydrolyses fumarylacetoacetate into fumarate and acetoacetate which then join the citric acid cycle [1]. Mutations in FAA cause type I tyrosinemia in humans this is an inherited disorder mainly affecting the liver leading to liver cirrhosis, hepatocellular carcinoma, renal tubular damages and neurologic crises amongst other symptoms [1]. The enzymatic defect causes the toxic accumulation of phenylalanine/tyrosine catabolites [3]. The E. coli W enzyme HHDD isomerase/OPET decarboxylase contains two copies of this domain and functions in fourth and fifth steps of the homoprotocatechuate pathway; here it decarboxylates OPET to HHDD and isomerises this to OHED. The final products of this pathway are pyruvic acid and succinic semialdehyde. This family also includes various hydratases and 4-oxalocrotonate decarboxylases which are involved in the bacterial meta-cleavage pathways for degradation of aromatic compounds. 2-hydroxypentadienoic acid hydratase encoded by mhpD in E. coli Swiss:P77608 is involved in the phenylpropionic acid pathway of E. coli and catalyses the conversion of 2-hydroxy pentadienoate to 4-hydroxy-2-keto-pentanoate and uses a Mn2+ co-factor [5]. OHED hydratase encoded by hpcG in E. coli Swiss:P42270 is involved in the homoprotocatechuic acid (HPC) catabolism [6]. XylI in P. putida Swiss:P49155 is a 4-Oxalocrotonate decarboxylase [7].	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	Putative fumarylacetoacetate isomerase/hydrolase	hydrolase activity, acting on acid carbon-carbon bonds hydrolase activity acetylpyruvate hydrolase activity hydrolase activity, acting on acid carbon-carbon bonds, in ketonic substances catalytic activity cation binding ion binding binding metal ion binding small molecule binding	-	-

InterPro: Protein Family Classification InterPro Database Homepage

Chains	Accession	Name	Type
A, B, C, D, E A, B, C, D, E, F	IPR036663	Fumarylacetoacetase-like, C-terminal domain superfamily	Homologous Superfamily
A, B, C, D, E A, B, C, D, E, F	IPR011234	Fumarylacetoacetase-like, C-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.