Annotations: 2B4K

Acetobacter turbidans alpha-amino acid ester hydrolase complexed with phenylglycine

External Resource: Annotation

Domain Annotation: SCOP/SCOPe Classification
Domain Annotation: SCOP2 Classification
Domain Annotation: ECOD Classification
Domain Annotation: CATH
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	d2b4kd1	All beta proteins	Galactose-binding domain-like	Galactose-binding domain-like	PepX C-terminal domain-like	Alpha-amino acid ester hydrolase	(Acetobacter pasteurianus ) [TaxId: 438 ],	SCOPe (2.08)
D	d2b4kd2	Alpha and beta proteins (a/b)	alpha/beta-Hydrolases	alpha/beta-Hydrolases	PepX catalytic domain-like	Alpha-amino acid ester hydrolase	(Acetobacter pasteurianus ) [TaxId: 438 ],	SCOPe (2.08)
C	d2b4kc1	All beta proteins	Galactose-binding domain-like	Galactose-binding domain-like	PepX C-terminal domain-like	Alpha-amino acid ester hydrolase	(Acetobacter pasteurianus ) [TaxId: 438 ],	SCOPe (2.08)
C	d2b4kc2	Alpha and beta proteins (a/b)	alpha/beta-Hydrolases	alpha/beta-Hydrolases	PepX catalytic domain-like	Alpha-amino acid ester hydrolase	(Acetobacter pasteurianus ) [TaxId: 438 ],	SCOPe (2.08)
B	d2b4kb1	All beta proteins	Galactose-binding domain-like	Galactose-binding domain-like	PepX C-terminal domain-like	Alpha-amino acid ester hydrolase	(Acetobacter pasteurianus ) [TaxId: 438 ],	SCOPe (2.08)
B	d2b4kb2	Alpha and beta proteins (a/b)	alpha/beta-Hydrolases	alpha/beta-Hydrolases	PepX catalytic domain-like	Alpha-amino acid ester hydrolase	(Acetobacter pasteurianus ) [TaxId: 438 ],	SCOPe (2.08)
A	d2b4ka1	All beta proteins	Galactose-binding domain-like	Galactose-binding domain-like	PepX C-terminal domain-like	Alpha-amino acid ester hydrolase	(Acetobacter pasteurianus ) [TaxId: 438 ],	SCOPe (2.08)
A	d2b4ka2	Alpha and beta proteins (a/b)	alpha/beta-Hydrolases	alpha/beta-Hydrolases	PepX catalytic domain-like	Alpha-amino acid ester hydrolase	(Acetobacter pasteurianus ) [TaxId: 438 ],	SCOPe (2.08)

Domain Annotation: SCOP2 Classification SCOP2 Database Homepage

Chains	Type	Family Name	Domain Identifier	Family Identifier	Provenance Source (Version)
D	SCOP2B Superfamily	galactose-binding domain-like	8037044	3000087	SCOP2B (2022-06-29)
D	SCOP2B Superfamily	alpha/beta-Hydrolases	8037046	3000102	SCOP2B (2022-06-29)
C	SCOP2B Superfamily	alpha/beta-Hydrolases	8037046	3000102	SCOP2B (2022-06-29)
C	SCOP2B Superfamily	galactose-binding domain-like	8037044	3000087	SCOP2B (2022-06-29)
B	SCOP2B Superfamily	alpha/beta-Hydrolases	8037046	3000102	SCOP2B (2022-06-29)
B	SCOP2B Superfamily	galactose-binding domain-like	8037044	3000087	SCOP2B (2022-06-29)
A	SCOP2B Superfamily	alpha/beta-Hydrolases	8037046	3000102	SCOP2B (2022-06-29)
A	SCOP2B Superfamily	galactose-binding domain-like	8037044	3000087	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		e2b4kD1	A: beta barrels	X: Phage tail fiber protein trimerization domain	H: beta-Prism I	T: beta-Prism I	F:	ECOD (v294.2)
D	Abhydrolase_1	e2b4kD2	A: beta barrels	X: HTH	H: HTH	T: winged helix domain	F: Abhydrolase_1	ECOD (v294.2)
C		e2b4kC1	A: beta barrels	X: Phage tail fiber protein trimerization domain	H: beta-Prism I	T: beta-Prism I	F:	ECOD (v294.2)
C	Abhydrolase_1	e2b4kC2	A: beta barrels	X: HTH	H: HTH	T: winged helix domain	F: Abhydrolase_1	ECOD (v294.2)
B		e2b4kB1	A: beta barrels	X: Phage tail fiber protein trimerization domain	H: beta-Prism I	T: beta-Prism I	F:	ECOD (v294.2)
B	Abhydrolase_1	e2b4kB2	A: beta barrels	X: HTH	H: HTH	T: winged helix domain	F: Abhydrolase_1	ECOD (v294.2)
A		e2b4kA1	A: beta barrels	X: Phage tail fiber protein trimerization domain	H: beta-Prism I	T: beta-Prism I	F:	ECOD (v294.2)
A	Abhydrolase_1	e2b4kA2	A: beta barrels	X: HTH	H: HTH	T: winged helix domain	F: Abhydrolase_1	ECOD (v294.2)

Domain Annotation: CATH CATH Database Homepage

Chain	Domain	Class	Architecture	Topology	Homology	Provenance Source (Version)
D	3.40.50.1820	Alpha Beta	3-Layer(aba) Sandwich	Rossmann fold	Alpha/Beta hydrolase fold, catalytic domain	CATH (4.3.0)
D	1.10.3020.10	Mainly Alpha	Orthogonal Bundle	alpha-amino acid ester hydrolase ( Helical cap domain)	alpha-amino acid ester hydrolase ( Helical cap domain)	CATH (4.3.0)
D	2.60.120.260	Mainly Beta	Sandwich	Jelly Rolls	Galactose-binding domain-like	CATH (4.3.0)
C	3.40.50.1820	Alpha Beta	3-Layer(aba) Sandwich	Rossmann fold	Alpha/Beta hydrolase fold, catalytic domain	CATH (4.3.0)
C	1.10.3020.10	Mainly Alpha	Orthogonal Bundle	alpha-amino acid ester hydrolase ( Helical cap domain)	alpha-amino acid ester hydrolase ( Helical cap domain)	CATH (4.3.0)
C	2.60.120.260	Mainly Beta	Sandwich	Jelly Rolls	Galactose-binding domain-like	CATH (4.3.0)
B	3.40.50.1820	Alpha Beta	3-Layer(aba) Sandwich	Rossmann fold	Alpha/Beta hydrolase fold, catalytic domain	CATH (4.3.0)
B	1.10.3020.10	Mainly Alpha	Orthogonal Bundle	alpha-amino acid ester hydrolase ( Helical cap domain)	alpha-amino acid ester hydrolase ( Helical cap domain)	CATH (4.3.0)
B	2.60.120.260	Mainly Beta	Sandwich	Jelly Rolls	Galactose-binding domain-like	CATH (4.3.0)
A	3.40.50.1820	Alpha Beta	3-Layer(aba) Sandwich	Rossmann fold	Alpha/Beta hydrolase fold, catalytic domain	CATH (4.3.0)
A	1.10.3020.10	Mainly Alpha	Orthogonal Bundle	alpha-amino acid ester hydrolase ( Helical cap domain)	alpha-amino acid ester hydrolase ( Helical cap domain)	CATH (4.3.0)
A	2.60.120.260	Mainly Beta	Sandwich	Jelly Rolls	Galactose-binding domain-like	CATH (4.3.0)

Gene Ontology: Gene Product Annotation Gene Ontology Database Homepage

Chains	Polymer	Molecular Function	Biological Process	Cellular Component
A, B, C, D	Alpha-amino acid ester hydrolase	peptidase activity catalytic activity, acting on a protein dipeptidyl-peptidase activity hydrolase activity exopeptidase activity catalytic activity hydrolase activity, acting on ester bonds carboxylic ester hydrolase activity alpha-amino-acid esterase activity	-	-

InterPro: Protein Family Classification InterPro Database Homepage

Chains	Accession	Name	Type
A, B, C, D	IPR005674	CocE/Serine esterase	Family
A, B, C, D	IPR000383	Xaa-Pro dipeptidyl-peptidase-like domain	Domain
A, B, C, D	IPR013736	Xaa-Pro dipeptidyl-peptidase, C-terminal	Domain
A, B, C, D	IPR050585	Xaa-Pro_dipeptidyl-ppase/CocE	Unknown
A, B, C, D	IPR008979	Galactose-binding-like domain superfamily	Homologous Superfamily
A, B, C, D	IPR029058	Alpha/Beta hydrolase fold	Homologous Superfamily

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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. RCSB PDB uses resources of the National Energy Research Scientific Computing Center (NERSC), a Department of Energy User Facility.