Annotations: 3IF4

Chains	Family Name	Domain Identifier	Architecture	Possible Homology	Homology	Topology	Family	Provenance Source (Version)
D	Hfx_Cass5	e3if4D1	A: alpha arrays	X: Transmembrane heme-binding four-helical bundle	H: Anticodon-binding domain of Class II aaRS	T: Anticodon-binding domain of Class II aaRS	F: Hfx_Cass5	ECOD (v295)
C	DBD_HTH	e3if4C1	A: alpha arrays	X: triple barrel	H: triple barrel	T: RNA polymerase I subunits A49/A34.5 dimerization domains	F: DBD_HTH	ECOD (v295)
B	Hfx_Cass5	e3if4B1	A: alpha arrays	X: Transmembrane heme-binding four-helical bundle	H: Anticodon-binding domain of Class II aaRS	T: Anticodon-binding domain of Class II aaRS	F: Hfx_Cass5	ECOD (v295)
A	DBD_HTH	e3if4A1	A: alpha arrays	X: triple barrel	H: triple barrel	T: RNA polymerase I subunits A49/A34.5 dimerization domains	F: DBD_HTH	ECOD (v295)

Chain	Domain	Class	Architecture	Topology	Homology	Provenance Source (Version)
D	2.20.20.40	Mainly Beta	Single Sheet	Anthopleurin-A	Integron cassette protein	CATH (4.3.0)
D	1.20.5.1210	Mainly Alpha	Up-down Bundle	Single alpha-helices involved in coiled-coils or other helix-helix interfaces	Integron cassette protein helical domain	CATH (4.3.0)
C	2.20.20.40	Mainly Beta	Single Sheet	Anthopleurin-A	Integron cassette protein	CATH (4.3.0)
C	1.20.5.1210	Mainly Alpha	Up-down Bundle	Single alpha-helices involved in coiled-coils or other helix-helix interfaces	Integron cassette protein helical domain	CATH (4.3.0)
B	2.20.20.40	Mainly Beta	Single Sheet	Anthopleurin-A	Integron cassette protein	CATH (4.3.0)
B	1.20.5.1210	Mainly Alpha	Up-down Bundle	Single alpha-helices involved in coiled-coils or other helix-helix interfaces	Integron cassette protein helical domain	CATH (4.3.0)
A	2.20.20.40	Mainly Beta	Single Sheet	Anthopleurin-A	Integron cassette protein	CATH (4.3.0)
A	1.20.5.1210	Mainly Alpha	Up-down Bundle	Single alpha-helices involved in coiled-coils or other helix-helix interfaces	Integron cassette protein helical domain	CATH (4.3.0)

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.

3IF4 | pdb_00003if4