Annotations: 3HOS

Domain Annotation: ECOD Classification ECOD Database Homepage

Chains	Family Name	Domain Identifier	Architecture	Possible Homology	Homology	Topology	Family	Provenance Source (Version)
A	HTH_24	e3hosA3	A: alpha arrays	X: HTH	H: HTH	T: tri-helical	F: HTH_24	ECOD (1.6)
A	DUF4817_like	e3hosA1	A: alpha arrays	X: HTH	H: HTH	T: tri-helical	F: DUF4817_like	ECOD (1.6)
A	DDE_3	e3hosA2	A: mixed a+b and a/b	X: Ribonuclease H-like	H: Ribonuclease H-like (From Topology)	T: Ribonuclease H-like	F: DDE_3	ECOD (1.6)
B	HTH_24	e3hosB9	A: alpha arrays	X: HTH	H: HTH	T: tri-helical	F: HTH_24	ECOD (1.6)
B	DUF4817_like	e3hosB7	A: alpha arrays	X: HTH	H: HTH	T: tri-helical	F: DUF4817_like	ECOD (1.6)
B	DDE_3	e3hosB8	A: mixed a+b and a/b	X: Ribonuclease H-like	H: Ribonuclease H-like (From Topology)	T: Ribonuclease H-like	F: DDE_3	ECOD (1.6)

Domain Annotation: CATH CATH Database Homepage

Chain	Domain	Class	Architecture	Topology	Homology	Provenance Source (Version)
A	1.10.10.1450	Mainly Alpha	Orthogonal Bundle	Arc Repressor Mutant, subunit A		CATH (4.3.0)
A	1.10.10.10	Mainly Alpha	Orthogonal Bundle	Arc Repressor Mutant, subunit A	Winged helix-like DNA-binding domain superfamily/Winged helix DNA-binding domain	CATH (4.3.0)
A	3.30.420.10	Alpha Beta	2-Layer Sandwich	Nucleotidyltransferase	domain 5	CATH (4.3.0)
B	1.10.10.1450	Mainly Alpha	Orthogonal Bundle	Arc Repressor Mutant, subunit A		CATH (4.3.0)
B	1.10.10.10	Mainly Alpha	Orthogonal Bundle	Arc Repressor Mutant, subunit A	Winged helix-like DNA-binding domain superfamily/Winged helix DNA-binding domain	CATH (4.3.0)
B	3.30.420.10	Alpha Beta	2-Layer Sandwich	Nucleotidyltransferase	domain 5	CATH (4.3.0)

Protein Family Annotation Pfam Database Homepage

Chains	Accession	Name	Description	Comments	Source
A, B	PF17906	HTH domain in Mos1 transposase (HTH_48)	HTH domain in Mos1 transposase	The N-terminal domain of the Mos1 Mariner transposase comprises two HTH domains [1]. This HTH domain binds in the DNA major groove to the transposons inverted repeats.	Domain
A, B	PF01359	Transposase (partial DDE domain) (Transposase_1)	Transposase (partial DDE domain)	-	Family

Gene Ontology: Gene Product Annotation Gene Ontology Database Homepage

Chains	Polymer	Molecular Function	Biological Process	Cellular Component
A, B	Transposable element mariner, complete cds	DNA topoisomerase binding protein binding binding enzyme binding protein-lysine N-methyltransferase activity histone H3 methyltransferase activity catalytic activity, acting on a protein transferase activity, transferring one-carbon groups transferase activity S-adenosylmethionine-dependent methyltransferase activity histone methyltransferase activity histone H3K4 methyltransferase activity lysine N-methyltransferase activity protein methyltransferase activity DNA topoisomerase binding protein binding binding enzyme binding protein-lysine N-methyltransferase activity histone H3 methyltransferase activity catalytic activity, acting on a protein transferase activity, transferring one-carbon groups transferase activity S-adenosylmethionine-dependent methyltransferase activity histone methyltransferase activity histone H3K4 methyltransferase activity lysine N-methyltransferase activity protein methyltransferase activity histone modifying activity N-methyltransferase activity methyltransferase activity catalytic activity DNA binding double-stranded DNA binding nucleic acid binding DNA endonuclease activity endonuclease activity catalytic activity, acting on DNA nuclease activity hydrolase activity, acting on ester bonds catalytic activity, acting on a nucleic acid hydrolase activity single-stranded DNA endodeoxyribonuclease activity DNA nuclease activity histone H3K36 methyltransferase activity cation binding ion binding metal ion binding small molecule binding single-stranded DNA binding	cellular response to stimulus double-strand break repair response to stimulus DNA double-strand break processing primary metabolic process DNA metabolic process nucleic acid metabolic process nucleobase-containing compound metabolic process cellular response to stress DNA damage response response to stress metabolic process cellular process macromolecule metabolic process cellular response to stimulus double-strand break repair response to stimulus DNA double-strand break processing primary metabolic process DNA metabolic process nucleic acid metabolic process nucleobase-containing compound metabolic process cellular response to stress DNA damage response response to stress metabolic process cellular process macromolecule metabolic process DNA repair DNA-templated DNA replication DNA-templated DNA replication maintenance of fidelity DNA replication replication fork processing regulation of cellular process regulation of cell cycle phase transition signaling negative regulation of biological process negative regulation of cell cycle cell cycle phase transition intracellular signal transduction mitotic cell cycle negative regulation of mitotic cell cycle cell communication regulation of mitotic cell cycle mitotic DNA integrity checkpoint signaling negative regulation of cellular process negative regulation of cell cycle phase transition signal transduction cell cycle regulation of cell cycle cell cycle process regulation of biological process regulation of cell cycle process biological regulation DNA integrity checkpoint signaling negative regulation of cell cycle process cell cycle checkpoint signaling mitotic cell cycle checkpoint signaling mitotic cell cycle process DNA integration DNA recombination double-strand break repair via nonhomologous end joining	intracellular organelle cellular anatomical structure intracellular anatomical structure organelle membraneless organelle intracellular membraneless organelle chromosome condensed chromosome site of double-strand break site of DNA damage membrane-bounded organelle nucleus intracellular membrane-bounded organelle
C, E, G	Mos1 NTS inverted repeat DNA	-	-	-
D, F, H	Mos1 TS inverted repeat DNA	-	-	-

InterPro: Protein Family Classification InterPro Database Homepage

Chains	Accession	Name	Type
A, B	IPR036397	Ribonuclease H superfamily	Homologous Superfamily
A, B	IPR036388	Winged helix-like DNA-binding domain superfamily	Homologous Superfamily
A, B	IPR052709	Transposase-Methyltransferase Hybrid	Family
A, B	IPR036390	Winged helix DNA-binding domain superfamily	Homologous Superfamily
A, B	IPR041426	Mos1 transposase, HTH domain	Domain
A, B	IPR001888	Transposase, type 1	Family

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.