3DEQ

Crystal structure of dipeptide epimerase from Thermotoga maritima complexed with L-Ala-L-Leu dipeptide

External Resource: Annotation

Domain Annotation: SCOP/SCOPe 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	d3deqa2	Alpha and beta proteins (a/b)	TIM beta/alpha-barrel	Enolase C-terminal domain-like	automated matches	automated matches	(Thermotoga maritima MSB8 ) [TaxId: 243274 ],	SCOPe (2.08)
A	d3deqa1	Alpha and beta proteins (a+b)	Enolase N-terminal domain-like	Enolase N-terminal domain-like	automated matches	automated matches	(Thermotoga maritima MSB8 ) [TaxId: 243274 ],	SCOPe (2.08)
C	d3deqc2	Alpha and beta proteins (a/b)	TIM beta/alpha-barrel	Enolase C-terminal domain-like	automated matches	automated matches	(Thermotoga maritima MSB8 ) [TaxId: 243274 ],	SCOPe (2.08)
C	d3deqc1	Alpha and beta proteins (a+b)	Enolase N-terminal domain-like	Enolase N-terminal domain-like	automated matches	automated matches	(Thermotoga maritima MSB8 ) [TaxId: 243274 ],	SCOPe (2.08)
D	d3deqd2	Alpha and beta proteins (a/b)	TIM beta/alpha-barrel	Enolase C-terminal domain-like	automated matches	automated matches	(Thermotoga maritima MSB8 ) [TaxId: 243274 ],	SCOPe (2.08)
D	d3deqd1	Alpha and beta proteins (a+b)	Enolase N-terminal domain-like	Enolase N-terminal domain-like	automated matches	automated matches	(Thermotoga maritima MSB8 ) [TaxId: 243274 ],	SCOPe (2.08)
B	d3deqb2	Alpha and beta proteins (a/b)	TIM beta/alpha-barrel	Enolase C-terminal domain-like	automated matches	automated matches	(Thermotoga maritima MSB8 ) [TaxId: 243274 ],	SCOPe (2.08)
B	d3deqb1	Alpha and beta proteins (a+b)	Enolase N-terminal domain-like	Enolase N-terminal domain-like	automated matches	automated matches	(Thermotoga maritima MSB8 ) [TaxId: 243274 ],	SCOPe (2.08)

Domain Annotation: ECOD Classification ECOD Database Homepage

Chains	Family Name	Domain Identifier	Architecture	Possible Homology	Homology	Topology	Family	Provenance Source (Version)
A	MR_MLE_N	e3deqA2	A: a+b two layers	X: Enolase-N/ribosomal protein	H: Enolase N-terminal domain-like (From Topology)	T: Enolase N-terminal domain-like	F: MR_MLE_N	ECOD (1.6)
A	MR_MLE_C_1	e3deqA1	A: a/b barrels	X: TIM beta/alpha-barrel	H: TIM barrels (From Topology)	T: TIM barrels	F: MR_MLE_C_1	ECOD (1.6)
C	MR_MLE_N	e3deqC1	A: a+b two layers	X: Enolase-N/ribosomal protein	H: Enolase N-terminal domain-like (From Topology)	T: Enolase N-terminal domain-like	F: MR_MLE_N	ECOD (1.6)
C	MR_MLE_C_1	e3deqC2	A: a/b barrels	X: TIM beta/alpha-barrel	H: TIM barrels (From Topology)	T: TIM barrels	F: MR_MLE_C_1	ECOD (1.6)
D	MR_MLE_N	e3deqD1	A: a+b two layers	X: Enolase-N/ribosomal protein	H: Enolase N-terminal domain-like (From Topology)	T: Enolase N-terminal domain-like	F: MR_MLE_N	ECOD (1.6)
D	MR_MLE_C_1	e3deqD2	A: a/b barrels	X: TIM beta/alpha-barrel	H: TIM barrels (From Topology)	T: TIM barrels	F: MR_MLE_C_1	ECOD (1.6)
B	MR_MLE_N	e3deqB1	A: a+b two layers	X: Enolase-N/ribosomal protein	H: Enolase N-terminal domain-like (From Topology)	T: Enolase N-terminal domain-like	F: MR_MLE_N	ECOD (1.6)
B	MR_MLE_C_1	e3deqB2	A: a/b barrels	X: TIM beta/alpha-barrel	H: TIM barrels (From Topology)	T: TIM barrels	F: MR_MLE_C_1	ECOD (1.6)

Domain Annotation: CATH CATH Database Homepage

Chain	Domain	Class	Architecture	Topology	Homology	Provenance Source (Version)
A	3.30.390.10	Alpha Beta	2-Layer Sandwich	Enolase-like	domain 1	CATH (4.3.0)
A	3.20.20.120	Alpha Beta	Alpha-Beta Barrel	TIM Barrel	Enolase-like C-terminal domain	CATH (4.3.0)
C	3.30.390.10	Alpha Beta	2-Layer Sandwich	Enolase-like	domain 1	CATH (4.3.0)
C	3.20.20.120	Alpha Beta	Alpha-Beta Barrel	TIM Barrel	Enolase-like C-terminal domain	CATH (4.3.0)
D	3.30.390.10	Alpha Beta	2-Layer Sandwich	Enolase-like	domain 1	CATH (4.3.0)
D	3.20.20.120	Alpha Beta	Alpha-Beta Barrel	TIM Barrel	Enolase-like C-terminal domain	CATH (4.3.0)
B	3.30.390.10	Alpha Beta	2-Layer Sandwich	Enolase-like	domain 1	CATH (4.3.0)
B	3.20.20.120	Alpha Beta	Alpha-Beta Barrel	TIM Barrel	Enolase-like C-terminal domain	CATH (4.3.0)

Protein Family Annotation Pfam Database Homepage

Chains	Accession	Name	Description	Comments	Source
A, B, C, D	PF02746	Mandelate racemase / muconate lactonizing enzyme, N-terminal domain (MR_MLE_N)	Mandelate racemase / muconate lactonizing enzyme, N-terminal domain	SCOP reports fold similarity with enolase N-terminal domain.	Domain
A, B, C, D	PF13378	Enolase C-terminal domain-like (MR_MLE_C)	Enolase C-terminal domain-like	This domain appears at the C-terminus of many of the proteins that carry the MR_MLE_N Pfam:PF02746 domain. EC:4.2.1.40.	Domain

Gene Ontology: Gene Product Annotation Gene Ontology Database Homepage

Chains	Polymer	Molecular Function	Biological Process	Cellular Component
A, B, C, D	Muconate cycloisomerase	isomerase activity racemase and epimerase activity L-Ala-D/L-Glu epimerase activity racemase and epimerase activity, acting on amino acids and derivatives catalytic activity cation binding ion binding binding metal ion binding small molecule binding	cellular component organization cell wall organization or biogenesis cell wall organization cellular process cellular component organization or biogenesis external encapsulating structure organization catabolic process metabolic process macromolecule metabolic process macromolecule catabolic process cell wall macromolecule catabolic process cell wall macromolecule metabolic process	-

InterPro: Protein Family Classification InterPro Database Homepage

Chains	Accession	Name	Type
A, B, C, D	IPR029065	Enolase C-terminal domain-like	Domain
A, B, C, D	IPR013341	Mandelate racemase/muconate lactonizing enzyme, N-terminal domain	Domain
A, B, C, D	IPR053602	Mandelate racemase/muconate lactonizing enzyme-like	Family
A, B, C, D	IPR034603	Dipeptide epimerase	Family
A, B, C, D	IPR013342	Mandelate racemase/muconate lactonizing enzyme, C-terminal	Domain
A, B, C, D	IPR029017	Enolase-like, N-terminal	Homologous Superfamily
A, B, C, D	IPR036849	Enolase-like, C-terminal domain 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 R01GM157729.