1GYX

The Crystal Structure of YdcE, a 4-Oxalocrotonate Tautomerase Homologue from Escherichia coli, Confirms the Structural Basis for Oligomer Diversity

External Resource: Annotation

Domain Annotation: SCOP/SCOPe Classification
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: SCOP/SCOPe Classification SCOP-e Database Homepage

Chains	Domain Info	Class	Fold	Superfamily	Family	Domain	Species	Provenance Source (Version)
A	d1gyxa_	Alpha and beta proteins (a+b)	Tautomerase/MIF	Tautomerase/MIF	4-oxalocrotonate tautomerase-like	4-oxalocrotonate tautomerase homologue YdcE	(Escherichia coli K-12 ) [TaxId: 83333 ],	SCOPe (2.08)
B	d1gyxb_	Alpha and beta proteins (a+b)	Tautomerase/MIF	Tautomerase/MIF	4-oxalocrotonate tautomerase-like	4-oxalocrotonate tautomerase homologue YdcE	(Escherichia coli K-12 ) [TaxId: 83333 ],	SCOPe (2.08)

Domain Annotation: SCOP2 Classification SCOP2 Database Homepage

Chains	Type	Family Name	Domain Identifier	Family Identifier	Provenance Source (Version)
A	SCOP2 Family	4-oxalocrotonate tautomerase-like	8029924	4001527	SCOP2 (2022-06-29)
A	SCOP2 Superfamily	Tautomerase/MIF	8042303	3001770	SCOP2 (2022-06-29)
B	SCOP2B Superfamily	Tautomerase/MIF	8042303	3001770	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	PF01361	e1gyxA1	A: a+b two layers	X: Tautomerase/MIF-like	H: Tautomerase/MIF (From Topology)	T: Tautomerase/MIF	F: PF01361	ECOD (1.6)
B	PF01361	e1gyxB1	A: a+b two layers	X: Tautomerase/MIF-like	H: Tautomerase/MIF (From Topology)	T: Tautomerase/MIF	F: PF01361	ECOD (1.6)

Domain Annotation: CATH CATH Database Homepage

Chain	Domain	Class	Architecture	Topology	Homology	Provenance Source (Version)
A	3.30.429.10	Alpha Beta	2-Layer Sandwich	Macrophage Migration Inhibitory Factor	Macrophage Migration Inhibitory Factor	CATH (4.3.0)
B	3.30.429.10	Alpha Beta	2-Layer Sandwich	Macrophage Migration Inhibitory Factor	Macrophage Migration Inhibitory Factor	CATH (4.3.0)

Protein Family Annotation Pfam Database Homepage

Chains	Accession	Name	Description	Comments	Source
A, B	PF01361	Tautomerase enzyme (Tautomerase)	Tautomerase enzyme	This family includes the enzyme 4-oxalocrotonate tautomerase Swiss:Q01468 that catalyses the ketonisation of 2-hydroxymuconate to 2-oxo-3-hexenedioate.	Domain

Gene Ontology: Gene Product Annotation Gene Ontology Database Homepage

Chains	Polymer	Molecular Function	Biological Process	Cellular Component
A, B	HYPOTHETICAL PROTEIN YDCE	identical protein binding protein binding binding protein homodimerization activity protein dimerization activity intramolecular oxidoreductase activity, interconverting keto- and enol-groups isomerase activity intramolecular oxidoreductase activity catalytic activity	-	intracellular anatomical structure cytoplasm cellular anatomical entity

InterPro: Protein Family Classification InterPro Database Homepage

Chains	Accession	Name	Type
A, B	IPR017284	Tautomerase PptA	Family
A, B	IPR014347	Tautomerase/MIF superfamily	Homologous Superfamily
A, B	IPR004370	4-oxalocrotonate tautomerase-like domain	Domain

RCSB PDB Core Operations are funded by the National Science Foundation (DBI-1832184), 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.