Annotations: 4EN9

Chains	Family Name	Domain Identifier	Architecture	Possible Homology	Homology	Topology	Family	Provenance Source (Version)
B	SmpA_OmlA	e4en9B1	A: alpha arrays	X: beta-Grasp	H: HTH	T: winged helix domain	F: SmpA_OmlA	ECOD (v295)
B	N6_Mtase	e4en9B3	A: alpha arrays	X: Rossmann-like	H: Rossmann-related	T: S-adenosyl-L-methionine-dependent methyltransferases	F: N6_Mtase	ECOD (v295)
A	PYNP_C	e4en9A1	A: alpha arrays	X: Ribosomal protein L19 (L19e) C-terminal domain	H: Ribosomal protein L19 (L19e) C-terminal domain	T: Ribosomal protein L19 (L19e) C-terminal domain	F: PYNP_C	ECOD (v295)

Chain	Domain	Class	Architecture	Topology	Homology	Provenance Source (Version)
B	2.170.15.20	Mainly Beta	Beta Complex	Proaerolysin	Chain A, domain 3	CATH (4.3.0)
B	2.60.120.1080	Mainly Beta	Sandwich	Jelly Rolls		CATH (4.3.0)
B	2.60.120.1090	Mainly Beta	Sandwich	Jelly Rolls		CATH (4.3.0)
A	2.170.15.20	Mainly Beta	Beta Complex	Proaerolysin	Chain A, domain 3	CATH (4.3.0)

Chains	Polymer	Molecular Function	Biological Process	Cellular Component
B	Hemagglutinin components HA-22/23/53	-	biological process involved in interspecies interaction between organisms migration in host symbiont-mediated migration across host transepithelium biological process involved in interaction with host symbiont-mediated migration across host tissue barrier biological process involved in symbiotic interaction	cellular anatomical structure extracellular region
A	Hemagglutinin components HA-22/23/53	-	biological process involved in interspecies interaction between organisms migration in host symbiont-mediated migration across host transepithelium biological process involved in interaction with host symbiont-mediated migration across host tissue barrier biological process involved in symbiotic interaction	cellular anatomical structure extracellular region

Chains	Accession	Name	Type
B	IPR003897	Clostridium enterotoxin, N-terminal domain	Domain
B	IPR040597	Hemagglutinin component HA-70, C-terminal	Domain
A	IPR003897	Clostridium enterotoxin, N-terminal domain	Domain
A	IPR040597	Hemagglutinin component HA-70, C-terminal	Domain

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.

4EN9 | pdb_00004en9