3AIK | pdb_00003aik

Crystal structure of a HSL-like carboxylesterase from Sulfolobus tokodaii

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	d3aika_	Alpha and beta proteins (a/b)	alpha/beta-Hydrolases	alpha/beta-Hydrolases	automated matches	automated matches	(Sulfurisphaera tokodaii ) [TaxId: 111955 ],	SCOPe (2.08)
B	d3aikb_	Alpha and beta proteins (a/b)	alpha/beta-Hydrolases	alpha/beta-Hydrolases	automated matches	automated matches	(Sulfurisphaera tokodaii ) [TaxId: 111955 ],	SCOPe (2.08)
C	d3aikc_	Alpha and beta proteins (a/b)	alpha/beta-Hydrolases	alpha/beta-Hydrolases	automated matches	automated matches	(Sulfurisphaera tokodaii ) [TaxId: 111955 ],	SCOPe (2.08)
D	d3aikd_	Alpha and beta proteins (a/b)	alpha/beta-Hydrolases	alpha/beta-Hydrolases	automated matches	automated matches	(Sulfurisphaera tokodaii ) [TaxId: 111955 ],	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	Mur_ligase_C	e3aikA1	A: alpha bundles	X: Thioredoxin-like	H: Thioredoxin-like	T: Thioredoxin-like	F: Mur_ligase_C	ECOD (develop294)
B	Flavin_Reduct	e3aikB1	A: alpha bundles	X: Lipocalins/Streptavidin	H: Zn-dependent exopeptidases	T: Zn-dependent exopeptidases	F: Flavin_Reduct	ECOD (develop294)
C	Flavin_Reduct	e3aikC1	A: alpha bundles	X: Lipocalins/Streptavidin	H: Zn-dependent exopeptidases	T: Zn-dependent exopeptidases	F: Flavin_Reduct	ECOD (develop294)
D	Flavin_Reduct	e3aikD1	A: alpha bundles	X: Lipocalins/Streptavidin	H: Zn-dependent exopeptidases	T: Zn-dependent exopeptidases	F: Flavin_Reduct	ECOD (develop294)

Domain Annotation: CATH CATH Database Homepage

Chain	Domain	Class	Architecture	Topology	Homology	Provenance Source (Version)
A	3.40.50.1820	Alpha Beta	3-Layer(aba) Sandwich	Rossmann fold	Alpha/Beta hydrolase fold, catalytic domain	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)
C	3.40.50.1820	Alpha Beta	3-Layer(aba) Sandwich	Rossmann fold	Alpha/Beta hydrolase fold, catalytic domain	CATH (4.3.0)
D	3.40.50.1820	Alpha Beta	3-Layer(aba) Sandwich	Rossmann fold	Alpha/Beta hydrolase fold, catalytic domain	CATH (4.3.0)

Protein Family Annotation Pfam Database Homepage

Chains	Accession	Name	Description	Comments	Source
A, B, C, D	PF07859	alpha/beta hydrolase fold (Abhydrolase_3)	alpha/beta hydrolase fold	This catalytic domain is found in a very wide range of enzymes.	Domain

Gene Ontology: Gene Product Annotation Gene Ontology Database Homepage

Chains	Polymer	Molecular Function	Biological Process	Cellular Component
A, B, C, D	303aa long hypothetical esterase	identical protein binding protein binding binding hydrolase activity, acting on ester bonds carboxylesterase activity carboxylic ester hydrolase activity hydrolase activity catalytic activity	-	-

InterPro: Protein Family Classification InterPro Database Homepage

Chains	Accession	Name	Type
A, B, C, D	IPR050300	GDXG lipolytic enzyme	Family
A, B, C, D	IPR013094	Alpha/beta hydrolase fold-3	Domain
A, B, C, D	IPR029058	Alpha/Beta hydrolase fold	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. RCSB PDB uses resources of the National Energy Research Scientific Computing Center (NERSC), a Department of Energy User Facility.