3IEK

Crystal Structure of native TTHA0252 from Thermus thermophilus HB8

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)
A	d3ieka_	Alpha and beta proteins (a+b)	Metallo-hydrolase/oxidoreductase	Metallo-hydrolase/oxidoreductase	beta-CASP RNA-metabolising hydrolases	Putative RNA-degradation protein TTHA0252	(Thermus thermophilus HB8 ) [TaxId: 300852 ],	SCOPe (2.08)
B	d3iekb_	Alpha and beta proteins (a+b)	Metallo-hydrolase/oxidoreductase	Metallo-hydrolase/oxidoreductase	beta-CASP RNA-metabolising hydrolases	Putative RNA-degradation protein TTHA0252	(Thermus thermophilus HB8 ) [TaxId: 300852 ],	SCOPe (2.08)
C	d3iekc_	Alpha and beta proteins (a+b)	Metallo-hydrolase/oxidoreductase	Metallo-hydrolase/oxidoreductase	beta-CASP RNA-metabolising hydrolases	Putative RNA-degradation protein TTHA0252	(Thermus thermophilus HB8 ) [TaxId: 300852 ],	SCOPe (2.08)
D	d3iekd_	Alpha and beta proteins (a+b)	Metallo-hydrolase/oxidoreductase	Metallo-hydrolase/oxidoreductase	beta-CASP RNA-metabolising hydrolases	Putative RNA-degradation protein TTHA0252	(Thermus thermophilus HB8 ) [TaxId: 300852 ],	SCOPe (2.08)

Domain Annotation: SCOP2 Classification SCOP2 Database Homepage

Chains	Type	Family Name	Domain Identifier	Family Identifier	Provenance Source (Version)
A	SCOP2B Superfamily	Metallo-hydrolase/oxidoreductase	8033776	3001057	SCOP2B (2022-06-29)
B	SCOP2B Superfamily	Metallo-hydrolase/oxidoreductase	8033776	3001057	SCOP2B (2022-06-29)
C	SCOP2B Superfamily	Metallo-hydrolase/oxidoreductase	8033776	3001057	SCOP2B (2022-06-29)
D	SCOP2B Superfamily	Metallo-hydrolase/oxidoreductase	8033776	3001057	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	Lactamase_B_6	e3iekA2	A: a+b four layers	X: Metallo-hydrolase/oxidoreductase (From Topology)	H: Metallo-hydrolase/oxidoreductase (From Topology)	T: Metallo-hydrolase/oxidoreductase	F: Lactamase_B_6	ECOD (1.6)
A	Beta-Casp	e3iekA1	A: a/b three-layered sandwiches	X: P-loop domains-like	H: P-loop domains-related	T: P-loop containing nucleoside triphosphate hydrolases	F: Beta-Casp	ECOD (1.6)
B	Lactamase_B_6	e3iekB1	A: a+b four layers	X: Metallo-hydrolase/oxidoreductase (From Topology)	H: Metallo-hydrolase/oxidoreductase (From Topology)	T: Metallo-hydrolase/oxidoreductase	F: Lactamase_B_6	ECOD (1.6)
B	Beta-Casp	e3iekB2	A: a/b three-layered sandwiches	X: P-loop domains-like	H: P-loop domains-related	T: P-loop containing nucleoside triphosphate hydrolases	F: Beta-Casp	ECOD (1.6)
C	Lactamase_B_6	e3iekC2	A: a+b four layers	X: Metallo-hydrolase/oxidoreductase (From Topology)	H: Metallo-hydrolase/oxidoreductase (From Topology)	T: Metallo-hydrolase/oxidoreductase	F: Lactamase_B_6	ECOD (1.6)
C	Beta-Casp	e3iekC1	A: a/b three-layered sandwiches	X: P-loop domains-like	H: P-loop domains-related	T: P-loop containing nucleoside triphosphate hydrolases	F: Beta-Casp	ECOD (1.6)
D	Lactamase_B_6	e3iekD1	A: a+b four layers	X: Metallo-hydrolase/oxidoreductase (From Topology)	H: Metallo-hydrolase/oxidoreductase (From Topology)	T: Metallo-hydrolase/oxidoreductase	F: Lactamase_B_6	ECOD (1.6)
D	Beta-Casp	e3iekD2	A: a/b three-layered sandwiches	X: P-loop domains-like	H: P-loop domains-related	T: P-loop containing nucleoside triphosphate hydrolases	F: Beta-Casp	ECOD (1.6)

Domain Annotation: CATH CATH Database Homepage

Chain	Domain	Class	Architecture	Topology	Homology	Provenance Source (Version)
A	3.60.15.10	Alpha Beta	4-Layer Sandwich	Metallo-beta-lactamase	Chain A	CATH (4.3.0)
A	3.40.50.10890	Alpha Beta	3-Layer(aba) Sandwich	Rossmann fold		CATH (4.3.0)
B	3.60.15.10	Alpha Beta	4-Layer Sandwich	Metallo-beta-lactamase	Chain A	CATH (4.3.0)
B	3.40.50.10890	Alpha Beta	3-Layer(aba) Sandwich	Rossmann fold		CATH (4.3.0)
C	3.60.15.10	Alpha Beta	4-Layer Sandwich	Metallo-beta-lactamase	Chain A	CATH (4.3.0)
C	3.40.50.10890	Alpha Beta	3-Layer(aba) Sandwich	Rossmann fold		CATH (4.3.0)
D	3.60.15.10	Alpha Beta	4-Layer Sandwich	Metallo-beta-lactamase	Chain A	CATH (4.3.0)
D	3.40.50.10890	Alpha Beta	3-Layer(aba) Sandwich	Rossmann fold		CATH (4.3.0)

Protein Family Annotation Pfam Database Homepage

Chains	Accession	Name	Description	Comments	Source
A, B, C, D	PF07521	Zn-dependent metallo-hydrolase RNA specificity domain (RMMBL)	Zn-dependent metallo-hydrolase RNA specificity domain	-	Motif
A, B, C, D	PF00753	Metallo-beta-lactamase superfamily (Lactamase_B)	Metallo-beta-lactamase superfamily	-	Domain
A, B, C, D	PF10996	Beta-Casp domain (Beta-Casp)	Beta-Casp domain	The beta-CASP domain is found C terminal to the beta-lactamase domain in pre-mRNA 3'-end-processing endonuclease. The active site of this enzyme is located at the interface of these two domains [1].	Domain

Gene Ontology: Gene Product Annotation Gene Ontology Database Homepage

Chains	Polymer	Molecular Function	Biological Process	Cellular Component
A, B, C, D	Ribonuclease TTHA0252	endonuclease activity nuclease activity hydrolase activity, acting on ester bonds catalytic activity, acting on RNA RNA endonuclease activity catalytic activity, acting on a nucleic acid RNA nuclease activity hydrolase activity catalytic activity RNA binding binding organic cyclic compound binding nucleic acid binding cation binding endonuclease activity nuclease activity hydrolase activity, acting on ester bonds catalytic activity, acting on RNA RNA endonuclease activity catalytic activity, acting on a nucleic acid RNA nuclease activity hydrolase activity catalytic activity RNA binding binding organic cyclic compound binding nucleic acid binding cation binding ion binding metal ion binding small molecule binding	ribonucleoprotein complex biogenesis RNA metabolic process primary metabolic process rRNA processing gene expression nucleobase-containing compound biosynthetic process macromolecule biosynthetic process nucleic acid metabolic process nucleobase-containing compound metabolic process cellular component biogenesis RNA biosynthetic process ribosome biogenesis nucleic acid biosynthetic process biosynthetic process ribonucleoprotein complex biogenesis RNA metabolic process primary metabolic process rRNA processing gene expression nucleobase-containing compound biosynthetic process macromolecule biosynthetic process nucleic acid metabolic process nucleobase-containing compound metabolic process cellular component biogenesis RNA biosynthetic process ribosome biogenesis nucleic acid biosynthetic process biosynthetic process metabolic process cellular process macromolecule metabolic process cellular component organization or biogenesis RNA processing rRNA metabolic process	cellular anatomical structure intracellular anatomical structure cytoplasm

InterPro: Protein Family Classification InterPro Database Homepage

Chains	Accession	Name	Type
A, B, C, D	IPR011108	Zn-dependent metallo-hydrolase, RNA specificity domain	Domain
A, B, C, D	IPR036866	Ribonuclease Z/Hydroxyacylglutathione hydrolase-like	Homologous Superfamily
A, B, C, D	IPR001279	Metallo-beta-lactamase	Domain
A, B, C, D	IPR050698	RNA Processing Metallo-Beta-Lactamase Domain-Containing Protein	Family
A, B, C, D	IPR022712	Beta-Casp domain	Domain

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.