Annotations: 4EAY

Crystal structures of mannonate dehydratase from Escherichia coli strain K12 complexed with D-mannonate

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
Structure Motif: Primary M-CSA Annotation

Domain Annotation: SCOP2 Classification SCOP2 Database Homepage

Chains	Type	Family Name	Domain Identifier	Family Identifier	Provenance Source (Version)
D	SCOP2B Superfamily	Xylose isomerase-like	8086908	3000560	SCOP2B (2022-06-29)
C	SCOP2B Superfamily	Xylose isomerase-like	8086908	3000560	SCOP2B (2022-06-29)
B	SCOP2B Superfamily	Xylose isomerase-like	8086908	3000560	SCOP2B (2022-06-29)
A	SCOP2B Superfamily	Xylose isomerase-like	8086908	3000560	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)
D	V-set	e4eayD1	A: alpha arrays	X: beta-Grasp	H: Ubiquitin-related	T: Ubiquitin-like	F: V-set	ECOD (v295.2)
C	SNase	e4eayC1	A: alpha arrays	X: Alpha helical domain of ribonucleotide reductases	H: Alpha helical domain of ribonucleotide reductases	T: Alpha helical domain of ribonucleotide reductases	F: SNase	ECOD (v295.2)
B	V-set	e4eayB1	A: alpha arrays	X: beta-Grasp	H: Ubiquitin-related	T: Ubiquitin-like	F: V-set	ECOD (v295.2)
A	V-set	e4eayA1	A: alpha arrays	X: beta-Grasp	H: Ubiquitin-related	T: Ubiquitin-like	F: V-set	ECOD (v295.2)

Domain Annotation: CATH CATH Database Homepage

Chain	Domain	Class	Architecture	Topology	Homology	Provenance Source (Version)
D	3.20.20.150	Alpha Beta	Alpha-Beta Barrel	TIM Barrel	Divalent-metal-dependent TIM barrel enzymes	CATH (4.3.0)
C	3.20.20.150	Alpha Beta	Alpha-Beta Barrel	TIM Barrel	Divalent-metal-dependent TIM barrel enzymes	CATH (4.3.0)
B	3.20.20.150	Alpha Beta	Alpha-Beta Barrel	TIM Barrel	Divalent-metal-dependent TIM barrel enzymes	CATH (4.3.0)
A	3.20.20.150	Alpha Beta	Alpha-Beta Barrel	TIM Barrel	Divalent-metal-dependent TIM barrel enzymes	CATH (4.3.0)

Protein Family Annotation Pfam Database Homepage

Chains	Accession	Name	Description	Comments	Source
A, B, C, D	PF03786	D-mannonate dehydratase (UxuA) (UxuA)	D-mannonate dehydratase (UxuA)	UxuA (this family) and UxuB are required for hexuronate degradation.	Domain

Gene Ontology: Gene Product Annotation Gene Ontology Database Homepage

Chains	Polymer	Molecular Function	Biological Process	Cellular Component
A, B, C, D	Mannonate dehydratase	cation binding manganese ion binding transition metal ion binding ion binding binding metal ion binding small molecule binding iron ion binding ferrous iron binding mannonate dehydratase activity hydro-lyase activity lyase activity catalytic activity carbon-oxygen lyase activity	cellular response to stimulus cellular response to stress response to stimulus DNA damage response response to stress cellular process catabolic process oxoacid metabolic process carboxylic acid metabolic process monocarboxylic acid catabolic process D-glucuronate catabolic process glucuronate metabolic process carboxylic acid catabolic process small molecule metabolic process cellular response to stimulus cellular response to stress response to stimulus DNA damage response response to stress cellular process catabolic process oxoacid metabolic process carboxylic acid metabolic process monocarboxylic acid catabolic process D-glucuronate catabolic process glucuronate metabolic process carboxylic acid catabolic process small molecule metabolic process metabolic process monocarboxylic acid metabolic process small molecule catabolic process glucuronate catabolic process	-

InterPro: Protein Family Classification InterPro Database Homepage

Chains	Accession	Name	Type
A, B, C, D	IPR004628	Mannonate dehydratase	Family
A, B, C, D	IPR036237	Xylose isomerase-like superfamily	Homologous Superfamily

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

Chains	Enzyme Name	Description	Catalytic Residues
A	mannonate dehydratase (uxuA) M-CSA #963	Mannonate dehydratase (uxuA) converts D-mannonate to 2-dehydro-3-deoxy-D-gluconate. In contrast to the Enolase Superfamily equivalogue, this enzyme is dependent on a divalent iron cation. This protein is a member of the Xylose Isomerase-Like superfamily.	Defined by 6 residues: HIS:A-253 [auth A-233]CYS:A-291 [auth A-271]HIS:A-318 [auth A-298]ASP:A-371 [auth A-351]HIS:A-372 [auth A-352]TYR:A-388 [auth A-368] \| Explore in 3D: M-CSA Motif Definition Search M-CSA Motif EC: 4.2.1.8 (PDB Primary Data) Search M-CSA Motif + EC 4.2.1.8