Annotations: 2ZYZ

Pyrobaculum aerophilum splicing endonuclease

External Resource: Annotation

Domain Annotation: ECOD Classification
Domain Annotation: CATH
Protein Family Annotation
Gene Ontology: Gene Product Annotation
InterPro: Protein Family Classification

Domain Annotation: ECOD Classification ECOD Database Homepage

Chains	Family Name	Domain Identifier	Architecture	Possible Homology	Homology	Topology	Family	Provenance Source (Version)
D	YgbB	e2zyzD1	A: alpha arrays	X: HTH	H: HTH	T: tetra-helical, lambda repressor-like	F: YgbB	ECOD (v295.2)
B	YgbB	e2zyzB1	A: alpha arrays	X: HTH	H: HTH	T: tetra-helical, lambda repressor-like	F: YgbB	ECOD (v295.2)
C		e2zyzC2	A: alpha arrays	X: Fusion glycoprotein F2	H: Fusion glycoprotein F2	T: Fusion glycoprotein F2	F:	ECOD (v295.2)
A	Sulfotransfer_3	e2zyzA1	A: alpha arrays	X: Long alpha-hairpin	H: C-terminal UvrC-binding domain of UvrB	T: C-terminal UvrC-binding domain of UvrB	F: Sulfotransfer_3	ECOD (v295.2)

Domain Annotation: CATH CATH Database Homepage

Chain	Domain	Class	Architecture	Topology	Homology	Provenance Source (Version)
D	3.40.1170.20	Alpha Beta	3-Layer(aba) Sandwich	MutS, DNA mismatch repair protein, domain I	tRNA intron endonuclease, N-terminal domain	CATH (4.3.0)
D	3.40.1350.10	Alpha Beta	3-Layer(aba) Sandwich	Trna Endonuclease	Chain: A, domain 1	CATH (4.3.0)
B	3.40.1170.20	Alpha Beta	3-Layer(aba) Sandwich	MutS, DNA mismatch repair protein, domain I	tRNA intron endonuclease, N-terminal domain	CATH (4.3.0)
B	3.40.1350.10	Alpha Beta	3-Layer(aba) Sandwich	Trna Endonuclease	Chain: A, domain 1	CATH (4.3.0)
C	3.40.1350.10	Alpha Beta	3-Layer(aba) Sandwich	Trna Endonuclease	Chain: A, domain 1	CATH (4.3.0)
A	3.40.1350.10	Alpha Beta	3-Layer(aba) Sandwich	Trna Endonuclease	Chain: A, domain 1	CATH (4.3.0)

Protein Family Annotation Pfam Database Homepage

Chains	Accession	Name	Description	Comments	Source
B, D	PF02778	tRNA intron endonuclease, N-terminal domain (tRNA_int_endo_N)	tRNA intron endonuclease, N-terminal domain	Members of this family cleave pre tRNA at the 5' and 3' splice sites to release the intron EC:3.1.27.9.	Domain
B, D	PF01974	tRNA intron endonuclease, catalytic C-terminal domain (tRNA_int_endo)	tRNA intron endonuclease, catalytic C-terminal domain	Members of this family cleave pre tRNA at the 5' and 3' splice sites to release the intron EC:3.1.27.9.	Domain

Gene Ontology: Gene Product Annotation Gene Ontology Database Homepage

Chains	Polymer	Molecular Function	Biological Process	Cellular Component
B, D	tRNA-splicing endonuclease	binding nucleic acid binding tRNA-specific ribonuclease activity endonuclease activity catalytic activity, acting on RNA catalytic activity, acting on a nucleic acid RNA nuclease activity catalytic activity, acting on a tRNA tRNA-intron lyase activity phosphorus-oxygen lyase activity nuclease activity RNA endonuclease activity lyase activity catalytic activity	RNA metabolic process primary metabolic process gene expression nucleobase-containing compound biosynthetic process macromolecule biosynthetic process nucleic acid metabolic process tRNA metabolic process nucleobase-containing compound metabolic process RNA biosynthetic process nucleic acid biosynthetic process biosynthetic process tRNA processing metabolic process cellular process RNA metabolic process primary metabolic process gene expression nucleobase-containing compound biosynthetic process macromolecule biosynthetic process nucleic acid metabolic process tRNA metabolic process nucleobase-containing compound metabolic process RNA biosynthetic process nucleic acid biosynthetic process biosynthetic process tRNA processing metabolic process cellular process macromolecule metabolic process RNA processing RNA splicing tRNA splicing, via endonucleolytic cleavage and ligation RNA splicing, via endonucleolytic cleavage and ligation	cellular anatomical structure intracellular anatomical structure cytoplasm
A, C	Putative uncharacterized protein PAE0789	binding nucleic acid binding	RNA splicing RNA metabolic process primary metabolic process gene expression nucleobase-containing compound biosynthetic process macromolecule biosynthetic process nucleic acid metabolic process RNA biosynthetic process nucleobase-containing compound metabolic process tRNA metabolic process tRNA splicing, via endonucleolytic cleavage and ligation nucleic acid biosynthetic process biosynthetic process RNA splicing, via endonucleolytic cleavage and ligation tRNA processing RNA splicing RNA metabolic process primary metabolic process gene expression nucleobase-containing compound biosynthetic process macromolecule biosynthetic process nucleic acid metabolic process RNA biosynthetic process nucleobase-containing compound metabolic process tRNA metabolic process tRNA splicing, via endonucleolytic cleavage and ligation nucleic acid biosynthetic process biosynthetic process RNA splicing, via endonucleolytic cleavage and ligation tRNA processing metabolic process cellular process RNA processing macromolecule metabolic process	-

InterPro: Protein Family Classification InterPro Database Homepage

Chains	Accession	Name	Type
B, D	IPR006677	tRNA intron endonuclease, catalytic domain-like	Domain
B, D	IPR036740	tRNA intron endonuclease, N-terminal domain superfamily	Homologous Superfamily
B, D	IPR006678	tRNA intron endonuclease, N-terminal	Domain
B, D	IPR016442	tRNA-splicing endonuclease, archaeal short subfamily	Family
B, D	IPR011856	tRNA endonuclease-like domain superfamily	Homologous Superfamily
B, D	IPR036167	tRNA intron endonuclease, catalytic domain-like superfamily	Homologous Superfamily
B, D	IPR006676	tRNA-splicing endonuclease	Family
A, C	IPR011856	tRNA endonuclease-like domain superfamily	Homologous Superfamily
A, C	IPR036167	tRNA intron endonuclease, catalytic domain-like superfamily	Homologous Superfamily

RCSB PDB is hosted by

RCSB PDB is a member of

RCSB Partners
Nucleic Acid Knowledgebase

CoreTrustSeal

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.