Annotations: 1KEY

Domain Annotation: SCOP/SCOPe Classification SCOP-e Database Homepage

Chains	Domain Info	Class	Fold	Superfamily	Family	Domain	Species	Provenance Source (Version)
A	d1keya_	All alpha proteins	alpha-alpha superhelix	Translin	Translin	Translin	house mouse (Mus musculus ) [TaxId: 10090 ],	SCOPe (2.08)
B	d1keyb1	All alpha proteins	alpha-alpha superhelix	Translin	Translin	Translin	house mouse (Mus musculus ) [TaxId: 10090 ],	SCOPe (2.08)
B	d1keyb2	Artifacts	Tags	Tags	Tags	N-terminal Tags	house mouse (Mus musculus ) [TaxId: 10090 ],	SCOPe (2.08)
C	d1keyc_	All alpha proteins	alpha-alpha superhelix	Translin	Translin	Translin	house mouse (Mus musculus ) [TaxId: 10090 ],	SCOPe (2.08)
D	d1keyd_	All alpha proteins	alpha-alpha superhelix	Translin	Translin	Translin	house mouse (Mus musculus ) [TaxId: 10090 ],	SCOPe (2.08)

Domain Annotation: SCOP2 Classification SCOP2 Database Homepage

Chains	Type	Family Name	Domain Identifier	Family Identifier	Provenance Source (Version)
A	SCOP2 Family	Translin	8027845	4001994	SCOP2 (2022-06-29)
A	SCOP2 Superfamily	Translin	8040224	3000658	SCOP2 (2022-06-29)
B	SCOP2B Superfamily	Translin	8040224	3000658	SCOP2B (2022-06-29)
C	SCOP2B Superfamily	Translin	8040224	3000658	SCOP2B (2022-06-29)
D	SCOP2B Superfamily	Translin	8040224	3000658	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	PF01997	e1keyA1	A: alpha superhelices	X: Repetitive alpha hairpins	H: Translin (From Topology)	T: Translin	F: PF01997	ECOD (1.6)
B	PF01997	e1keyB1	A: alpha superhelices	X: Repetitive alpha hairpins	H: Translin (From Topology)	T: Translin	F: PF01997	ECOD (1.6)
C	PF01997	e1keyC1	A: alpha superhelices	X: Repetitive alpha hairpins	H: Translin (From Topology)	T: Translin	F: PF01997	ECOD (1.6)
D	PF01997	e1keyD1	A: alpha superhelices	X: Repetitive alpha hairpins	H: Translin (From Topology)	T: Translin	F: PF01997	ECOD (1.6)

Domain Annotation: CATH CATH Database Homepage

Chain	Domain	Class	Architecture	Topology	Homology	Provenance Source (Version)
A	1.20.58.190	Mainly Alpha	Up-down Bundle	Methane Monooxygenase Hydroxylase	Chain G, domain 1	CATH (4.3.0)
A	1.20.58.200	Mainly Alpha	Up-down Bundle	Methane Monooxygenase Hydroxylase	Chain G, domain 1	CATH (4.3.0)
B	1.20.58.190	Mainly Alpha	Up-down Bundle	Methane Monooxygenase Hydroxylase	Chain G, domain 1	CATH (4.3.0)
B	1.20.58.200	Mainly Alpha	Up-down Bundle	Methane Monooxygenase Hydroxylase	Chain G, domain 1	CATH (4.3.0)
C	1.20.58.190	Mainly Alpha	Up-down Bundle	Methane Monooxygenase Hydroxylase	Chain G, domain 1	CATH (4.3.0)
C	1.20.58.200	Mainly Alpha	Up-down Bundle	Methane Monooxygenase Hydroxylase	Chain G, domain 1	CATH (4.3.0)
D	1.20.58.190	Mainly Alpha	Up-down Bundle	Methane Monooxygenase Hydroxylase	Chain G, domain 1	CATH (4.3.0)
D	1.20.58.200	Mainly Alpha	Up-down Bundle	Methane Monooxygenase Hydroxylase	Chain G, domain 1	CATH (4.3.0)

Protein Family Annotation Pfam Database Homepage

Chains	Accession	Name	Description	Comments	Source
A, B, C, D	PF01997	Translin family (Translin)	Translin family	-	Family

Gene Ontology: Gene Product Annotation Gene Ontology Database Homepage

Chains	Polymer	Molecular Function	Biological Process	Cellular Component
A, B, C, D	translin	RNA binding binding organic cyclic compound binding nucleic acid binding mRNA binding protein-containing complex binding endonuclease activity nuclease activity hydrolase activity, acting on ester bonds hydrolase activity catalytic activity sequence-specific DNA binding DNA binding identical protein binding RNA binding binding organic cyclic compound binding nucleic acid binding mRNA binding protein-containing complex binding endonuclease activity nuclease activity hydrolase activity, acting on ester bonds hydrolase activity catalytic activity sequence-specific DNA binding DNA binding identical protein binding protein binding single-stranded DNA binding	regulation of cellular process cellular biosynthetic process negative regulation of biological process RNA metabolic process negative regulation of cellular metabolic process nucleobase-containing compound metabolic process organic substance metabolic process organic substance biosynthetic process negative regulation of cellular process RNA processing negative regulation of macromolecule metabolic process regulation of biosynthetic process regulation of biological process cellular metabolic process regulation of cellular process cellular biosynthetic process negative regulation of biological process RNA metabolic process negative regulation of cellular metabolic process nucleobase-containing compound metabolic process organic substance metabolic process organic substance biosynthetic process negative regulation of cellular process RNA processing negative regulation of macromolecule metabolic process regulation of biosynthetic process regulation of biological process cellular metabolic process negative regulation of metabolic process biological regulation regulation of cellular metabolic process primary metabolic process regulation of macromolecule metabolic process gene expression macromolecule biosynthetic process negative regulation of cellular biosynthetic process nucleic acid metabolic process siRNA processing regulatory ncRNA processing regulatory ncRNA-mediated gene silencing regulation of cellular biosynthetic process regulation of gene expression organic cyclic compound metabolic process negative regulation of gene expression biosynthetic process negative regulation of biosynthetic process negative regulation of macromolecule biosynthetic process regulation of macromolecule biosynthetic process metabolic process cellular process macromolecule metabolic process regulation of metabolic process post-transcriptional regulation of gene expression regulatory ncRNA-mediated post-transcriptional gene silencing post-transcriptional gene silencing	protein-containing complex endoribonuclease complex catalytic complex intracellular protein-containing complex endonuclease complex membrane-bounded organelle intracellular organelle intracellular anatomical structure organelle male germ cell nucleus nucleus germ cell nucleus intracellular membrane-bounded organelle cellular anatomical entity protein-containing complex endoribonuclease complex catalytic complex intracellular protein-containing complex endonuclease complex membrane-bounded organelle intracellular organelle intracellular anatomical structure organelle male germ cell nucleus nucleus germ cell nucleus intracellular membrane-bounded organelle cellular anatomical entity cytoplasm membrane-enclosed lumen intracellular organelle lumen nucleoplasm organelle lumen nuclear lumen endoplasmic reticulum endomembrane system

InterPro: Protein Family Classification InterPro Database Homepage

Chains	Accession	Name	Type
A, B, C, D	IPR016069	Translin, C-terminal	Homologous Superfamily
A, B, C, D	IPR036081	Translin superfamily	Homologous Superfamily
A, B, C, D	IPR016068	Translin, N-terminal	Homologous Superfamily
A, B, C, D	IPR002848	Translin family	Family
A, B, C, D	IPR033956	Translin	Family

RCSB PDB Core Operations are funded by the National Science Foundation (DBI-1832184), 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 R01GM133198.