3MB2

Kinetic and Structural Characterization of a Heterohexamer 4-Oxalocrotonate Tautomerase from Chloroflexus aurantiacus J-10-fl: Implications for Functional and Structural Diversity in the Tautomerase Superfamily

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	SCOP2B Superfamily	Tautomerase/MIF	8081573	3001770	SCOP2B (2022-06-29)
C	SCOP2B Superfamily	Tautomerase/MIF	8081573	3001770	SCOP2B (2022-06-29)
E	SCOP2B Superfamily	Tautomerase/MIF	8081573	3001770	SCOP2B (2022-06-29)
G	SCOP2B Superfamily	Tautomerase/MIF	8081573	3001770	SCOP2B (2022-06-29)
I	SCOP2 Family	4-oxalocrotonate tautomerase-like	8081572	4001527	SCOP2 (2022-06-29)
I	SCOP2 Superfamily	Tautomerase/MIF	8081573	3001770	SCOP2 (2022-06-29)
K	SCOP2B Superfamily	Tautomerase/MIF	8081573	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	e3mb2A1	A: a+b two layers	X: Tautomerase/MIF-like	H: Tautomerase/MIF (From Topology)	T: Tautomerase/MIF	F: PF01361	ECOD (1.6)
C	PF01361	e3mb2C1	A: a+b two layers	X: Tautomerase/MIF-like	H: Tautomerase/MIF (From Topology)	T: Tautomerase/MIF	F: PF01361	ECOD (1.6)
E	PF01361	e3mb2E1	A: a+b two layers	X: Tautomerase/MIF-like	H: Tautomerase/MIF (From Topology)	T: Tautomerase/MIF	F: PF01361	ECOD (1.6)
G	PF01361	e3mb2G1	A: a+b two layers	X: Tautomerase/MIF-like	H: Tautomerase/MIF (From Topology)	T: Tautomerase/MIF	F: PF01361	ECOD (1.6)
I	PF01361	e3mb2I1	A: a+b two layers	X: Tautomerase/MIF-like	H: Tautomerase/MIF (From Topology)	T: Tautomerase/MIF	F: PF01361	ECOD (1.6)
K	PF01361	e3mb2K1	A: a+b two layers	X: Tautomerase/MIF-like	H: Tautomerase/MIF (From Topology)	T: Tautomerase/MIF	F: PF01361	ECOD (1.6)
B	PF21420	e3mb2B1	A: a+b two layers	X: Tautomerase/MIF-like	H: Tautomerase/MIF (From Topology)	T: Tautomerase/MIF	F: PF21420	ECOD (1.6)
D	PF21420	e3mb2D1	A: a+b two layers	X: Tautomerase/MIF-like	H: Tautomerase/MIF (From Topology)	T: Tautomerase/MIF	F: PF21420	ECOD (1.6)
F	PF21420	e3mb2F1	A: a+b two layers	X: Tautomerase/MIF-like	H: Tautomerase/MIF (From Topology)	T: Tautomerase/MIF	F: PF21420	ECOD (1.6)
H	PF21420	e3mb2H1	A: a+b two layers	X: Tautomerase/MIF-like	H: Tautomerase/MIF (From Topology)	T: Tautomerase/MIF	F: PF21420	ECOD (1.6)
J	PF21420	e3mb2J1	A: a+b two layers	X: Tautomerase/MIF-like	H: Tautomerase/MIF (From Topology)	T: Tautomerase/MIF	F: PF21420	ECOD (1.6)
L	PF21420	e3mb2L1	A: a+b two layers	X: Tautomerase/MIF-like	H: Tautomerase/MIF (From Topology)	T: Tautomerase/MIF	F: PF21420	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)
C	3.30.429.10	Alpha Beta	2-Layer Sandwich	Macrophage Migration Inhibitory Factor	Macrophage Migration Inhibitory Factor	CATH (4.3.0)
E	3.30.429.10	Alpha Beta	2-Layer Sandwich	Macrophage Migration Inhibitory Factor	Macrophage Migration Inhibitory Factor	CATH (4.3.0)
G	3.30.429.10	Alpha Beta	2-Layer Sandwich	Macrophage Migration Inhibitory Factor	Macrophage Migration Inhibitory Factor	CATH (4.3.0)
I	3.30.429.10	Alpha Beta	2-Layer Sandwich	Macrophage Migration Inhibitory Factor	Macrophage Migration Inhibitory Factor	CATH (4.3.0)
K	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)
D	3.30.429.10	Alpha Beta	2-Layer Sandwich	Macrophage Migration Inhibitory Factor	Macrophage Migration Inhibitory Factor	CATH (4.3.0)
F	3.30.429.10	Alpha Beta	2-Layer Sandwich	Macrophage Migration Inhibitory Factor	Macrophage Migration Inhibitory Factor	CATH (4.3.0)
H	3.30.429.10	Alpha Beta	2-Layer Sandwich	Macrophage Migration Inhibitory Factor	Macrophage Migration Inhibitory Factor	CATH (4.3.0)
J	3.30.429.10	Alpha Beta	2-Layer Sandwich	Macrophage Migration Inhibitory Factor	Macrophage Migration Inhibitory Factor	CATH (4.3.0)
L	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, C, E, G, I A, C, E, G, I, K	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
B, D, F, H, J B, D, F, H, J, L	PF21420	Tautomerase-like (Tautomerase-like)	Tautomerase-like	-	Family

Gene Ontology: Gene Product Annotation Gene Ontology Database Homepage

Chains	Polymer	Molecular Function	Biological Process	Cellular Component
A, C, E, G, I A, C, E, G, I, K	4-oxalocrotonate tautomerase family enzyme - alpha subunit	isomerase activity catalytic activity	-	-
B, D, F, H, J B, D, F, H, J, L	4-oxalocrotonate tautomerase family enzyme - beta subunit	-	-	-

InterPro: Protein Family Classification InterPro Database Homepage

Chains	Accession	Name	Type
A, C, E, G, I A, C, E, G, I, K	IPR014347	Tautomerase/MIF superfamily	Homologous Superfamily
A, C, E, G, I A, C, E, G, I, K	IPR004370	4-oxalocrotonate tautomerase-like domain	Domain
B, D, F, H, J B, D, F, H, J, L	IPR049116	Tautomerase-like	Family
B, D, F, H, J B, D, F, H, J, L	IPR014347	Tautomerase/MIF superfamily	Homologous Superfamily

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.