Annotations: 1XS2

Structural Basis for Catalytic Racemization and Substrate Specificity of an N-Acylamino Acid Racemase Homologue from Deinococcus radiodurans

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)
D	d1xs2d1	Alpha and beta proteins (a/b)	TIM beta/alpha-barrel	Enolase C-terminal domain-like	D-glucarate dehydratase-like	N-acylamino acid racemase	(Deinococcus radiodurans ) [TaxId: 1299 ],	SCOPe (2.08)
D	d1xs2d2	Alpha and beta proteins (a+b)	Enolase N-terminal domain-like	Enolase N-terminal domain-like	Enolase N-terminal domain-like	N-acylamino acid racemase	(Deinococcus radiodurans ) [TaxId: 1299 ],	SCOPe (2.08)
C	d1xs2c1	Alpha and beta proteins (a/b)	TIM beta/alpha-barrel	Enolase C-terminal domain-like	D-glucarate dehydratase-like	N-acylamino acid racemase	(Deinococcus radiodurans ) [TaxId: 1299 ],	SCOPe (2.08)
C	d1xs2c2	Alpha and beta proteins (a+b)	Enolase N-terminal domain-like	Enolase N-terminal domain-like	Enolase N-terminal domain-like	N-acylamino acid racemase	(Deinococcus radiodurans ) [TaxId: 1299 ],	SCOPe (2.08)
B	d1xs2b1	Alpha and beta proteins (a/b)	TIM beta/alpha-barrel	Enolase C-terminal domain-like	D-glucarate dehydratase-like	N-acylamino acid racemase	(Deinococcus radiodurans ) [TaxId: 1299 ],	SCOPe (2.08)
B	d1xs2b2	Alpha and beta proteins (a+b)	Enolase N-terminal domain-like	Enolase N-terminal domain-like	Enolase N-terminal domain-like	N-acylamino acid racemase	(Deinococcus radiodurans ) [TaxId: 1299 ],	SCOPe (2.08)
A	d1xs2a1	Alpha and beta proteins (a/b)	TIM beta/alpha-barrel	Enolase C-terminal domain-like	D-glucarate dehydratase-like	N-acylamino acid racemase	(Deinococcus radiodurans ) [TaxId: 1299 ],	SCOPe (2.08)
A	d1xs2a2	Alpha and beta proteins (a+b)	Enolase N-terminal domain-like	Enolase N-terminal domain-like	Enolase N-terminal domain-like	N-acylamino acid racemase	(Deinococcus radiodurans ) [TaxId: 1299 ],	SCOPe (2.08)

Domain Annotation: SCOP2 Classification SCOP2 Database Homepage

Chains	Type	Family Name	Domain Identifier	Family Identifier	Provenance Source (Version)
D	SCOP2B Superfamily	Enolase N-terminal domain-like	8044116	3001064	SCOP2B (2022-06-29)
D	SCOP2B Superfamily	Enolase C-terminal domain-like	8044114	3000476	SCOP2B (2022-06-29)
C	SCOP2B Superfamily	Enolase C-terminal domain-like	8044114	3000476	SCOP2B (2022-06-29)
C	SCOP2B Superfamily	Enolase N-terminal domain-like	8044116	3001064	SCOP2B (2022-06-29)
B	SCOP2B Superfamily	Enolase N-terminal domain-like	8044116	3001064	SCOP2B (2022-06-29)
B	SCOP2B Superfamily	Enolase C-terminal domain-like	8044114	3000476	SCOP2B (2022-06-29)
A	SCOP2B Superfamily	Enolase N-terminal domain-like	8044116	3001064	SCOP2B (2022-06-29)
A	SCOP2B Superfamily	Enolase C-terminal domain-like	8044114	3000476	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	HSP90,HATPase_c_3	e1xs2D1	A: alpha arrays	X: ETN0001 domain-like	H: ETN0001 domain-like	T: Mss4-like	F: HSP90,HATPase_c_3	ECOD (v295.2)
D	XylA2_C	e1xs2D2	A: alpha arrays	X: C-terminal subdomain in Lon-related proteases catalytic domains	H: C-terminal subdomain in Lon-related proteases catalytic domains	T: C-terminal subdomain in Lon-related proteases catalytic domains	F: XylA2_C	ECOD (v295.2)
C	HSP90,HATPase_c_3	e1xs2C1	A: alpha arrays	X: ETN0001 domain-like	H: ETN0001 domain-like	T: Mss4-like	F: HSP90,HATPase_c_3	ECOD (v295.2)
C	XylA2_C	e1xs2C2	A: alpha arrays	X: C-terminal subdomain in Lon-related proteases catalytic domains	H: C-terminal subdomain in Lon-related proteases catalytic domains	T: C-terminal subdomain in Lon-related proteases catalytic domains	F: XylA2_C	ECOD (v295.2)
B	HSP90,HATPase_c_3	e1xs2B1	A: alpha arrays	X: ETN0001 domain-like	H: ETN0001 domain-like	T: Mss4-like	F: HSP90,HATPase_c_3	ECOD (v295.2)
B	XylA2_C	e1xs2B2	A: alpha arrays	X: C-terminal subdomain in Lon-related proteases catalytic domains	H: C-terminal subdomain in Lon-related proteases catalytic domains	T: C-terminal subdomain in Lon-related proteases catalytic domains	F: XylA2_C	ECOD (v295.2)
A	HSP90,HATPase_c_3	e1xs2A1	A: alpha arrays	X: ETN0001 domain-like	H: ETN0001 domain-like	T: Mss4-like	F: HSP90,HATPase_c_3	ECOD (v295.2)
A	XylA2_C	e1xs2A2	A: alpha arrays	X: C-terminal subdomain in Lon-related proteases catalytic domains	H: C-terminal subdomain in Lon-related proteases catalytic domains	T: C-terminal subdomain in Lon-related proteases catalytic domains	F: XylA2_C	ECOD (v295.2)

Domain Annotation: CATH CATH Database Homepage

Chain	Domain	Class	Architecture	Topology	Homology	Provenance Source (Version)
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)
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)
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)
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)

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	N-Acylamino Acid Racemase	isomerase activity racemase and epimerase activity racemase and epimerase activity, acting on amino acids and derivatives amino-acid racemase activity catalytic activity hydro-lyase activity lyase activity O-succinylbenzoate synthase activity carbon-oxygen lyase activity	biosynthetic process small molecule biosynthetic process ketone metabolic process menaquinone metabolic process metabolic process cellular process small molecule metabolic process menaquinone biosynthetic process ketone biosynthetic process	-

InterPro: Protein Family Classification InterPro Database Homepage

Chains	Accession	Name	Type
A, B, C, D	IPR013341	Mandelate racemase-like, N-terminal domain	Domain
A, B, C, D	IPR029017	Enolase-like, N-terminal	Homologous Superfamily
A, B, C, D	IPR010197	o-Succinylbenzoate synthase/NAAAR	Family
A, B, C, D	IPR036849	Enolase-like, C-terminal domain superfamily	Homologous Superfamily
A, B, C, D	IPR013342	Mandelate racemase-like, C-terminal domain	Domain