4MUP

Crystal structure of Agrobacterium tumefaciens ATU3138 (EFI target 505157), apo structure

External Resource: Annotation

Domain Annotation: ECOD Classification
Domain Annotation: CATH
Protein Family Annotation
Gene Ontology: Gene Product Annotation
InterPro: Protein Family Classification
Structure Motif: Primary M-CSA Annotation

Domain Annotation: ECOD Classification ECOD Database Homepage

Chains	Family Name	Domain Identifier	Architecture	Possible Homology	Homology	Topology	Family	Provenance Source (Version)
A	PF04909	e4mupA1	A: a/b barrels	X: TIM beta/alpha-barrel	H: TIM barrels (From Topology)	T: TIM barrels	F: PF04909	ECOD (1.6)
B	PF04909	e4mupB1	A: a/b barrels	X: TIM beta/alpha-barrel	H: TIM barrels (From Topology)	T: TIM barrels	F: PF04909	ECOD (1.6)
C	PF04909	e4mupC1	A: a/b barrels	X: TIM beta/alpha-barrel	H: TIM barrels (From Topology)	T: TIM barrels	F: PF04909	ECOD (1.6)

Domain Annotation: CATH CATH Database Homepage

Chain	Domain	Class	Architecture	Topology	Homology	Provenance Source (Version)
A	3.20.20.140	Alpha Beta	Alpha-Beta Barrel	TIM Barrel	Metal-dependent hydrolases	CATH (4.3.0)
B	3.20.20.140	Alpha Beta	Alpha-Beta Barrel	TIM Barrel	Metal-dependent hydrolases	CATH (4.3.0)
C	3.20.20.140	Alpha Beta	Alpha-Beta Barrel	TIM Barrel	Metal-dependent hydrolases	CATH (4.3.0)

Protein Family Annotation Pfam Database Homepage

Chains	Accession	Name	Description	Comments	Source
A, B, C	PF04909	Amidohydrolase (Amidohydro_2)	Amidohydrolase	These proteins are amidohydrolases that are related to Pfam:PF01979 [1].	Domain

Gene Ontology: Gene Product Annotation Gene Ontology Database Homepage

Chains	Polymer	Molecular Function	Biological Process	Cellular Component
A, B, C	AMIDOHYDROLASE	isomerase activity catalytic activity hydrolase activity	-	-

InterPro: Protein Family Classification InterPro Database Homepage

Chains	Accession	Name	Type
A, B, C	IPR047874	D-galactarolactone isomerase/2-pyrone-4,6-dicarbaxylate hydrolase	Family
A, B, C	IPR006680	Amidohydrolase-related	Domain
A, B, C	IPR032466	Metal-dependent hydrolase	Homologous Superfamily

Structure Motif Annotation: Mechanism and Catalytic Site Atlas M-CSA Database Homepage

Chains	Enzyme Name	Description	Catalytic Residues
A	D-galactarolactone isomerase M-CSA #861	Catalyses the isomerisation of D-galactaro-1,5-lactone to D-galactaro-1,4-lactone. This is a step in the oxidative degradation pathway of D-galacturonate, which allows Agrobacterium tumefaciens to utilise D-galacturonate as a sole carbon source. This enzyme belongs to the amidohydrolase superfamily. Unlike many members of the amidohydrolase superfamily, this protein does not require a divalent metal for its lactonase activity	Defined by 1 residue: ASN:A-260 [auth A-240] \| Explore in 3D: M-CSA Motif Definition At least 2 residues must be present to support Structure Motif searching.

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 R01GM133198.