Annotations: 3ITF

Chains	Family Name	Domain Identifier	Architecture	Possible Homology	Homology	Topology	Family	Provenance Source (Version)
B	Secretin_N	e3itfB1	A: alpha arrays	X: PBZ domain	H: PBZ domain	T: PBZ domain	F: Secretin_N	ECOD (v295)
A	Secretin_N	e3itfA1	A: alpha arrays	X: PBZ domain	H: PBZ domain	T: PBZ domain	F: Secretin_N	ECOD (v295)

Chain	Domain	Class	Architecture	Topology	Homology	Provenance Source (Version)
B	1.20.120.1490	Mainly Alpha	Up-down Bundle	Four Helix Bundle (Hemerythrin (Met), subunit A)		CATH (4.3.0)
A	1.20.120.1490	Mainly Alpha	Up-down Bundle	Four Helix Bundle (Hemerythrin (Met), subunit A)		CATH (4.3.0)

Chains	Polymer	Molecular Function	Biological Process	Cellular Component
A, B	Periplasmic adaptor protein cpxP	identical protein binding protein binding binding	regulation of biological process regulation of cellular process regulation of protein metabolic process biological regulation primary metabolic process regulation of macromolecule metabolic process regulation of primary metabolic process regulation of proteolysis proteolysis metabolic process cellular process protein metabolic process macromolecule metabolic process regulation of metabolic process regulation of biological process regulation of cellular process regulation of protein metabolic process biological regulation primary metabolic process regulation of macromolecule metabolic process regulation of primary metabolic process regulation of proteolysis proteolysis metabolic process cellular process protein metabolic process macromolecule metabolic process regulation of metabolic process response to stimulus response to stress	cellular anatomical structure extracellular region outer membrane-bounded periplasmic space cell envelope periplasmic space