Annotations: 4FOU

Chains	Family Name	Domain Identifier	Architecture	Possible Homology	Homology	Topology	Family	Provenance Source (Version)
D [auth C]		e4fouC1	A: alpha arrays	X: HTH	H: HTH	T: Catalytic domain of hepatitis C virus NS2-3 protease	F:	ECOD (v295.2)
C [auth D]	V-set	e4fouD2	A: alpha arrays	X: Subtilisin-like	H: Subtilisin-like	T: Subtilisin-like	F: V-set	ECOD (v295.2)
B	ABC_tran	e4fouB1	A: alpha arrays	X: beta-Grasp	H: Ubiquitin-related	T: Ubiquitin-like	F: ABC_tran	ECOD (v295.2)
A	ABC_tran	e4fouA1	A: alpha arrays	X: beta-Grasp	H: Ubiquitin-related	T: Ubiquitin-like	F: ABC_tran	ECOD (v295.2)

Chain	Domain	Class	Architecture	Topology	Homology	Provenance Source (Version)
D [auth C]	2.40.10.220	Mainly Beta	Beta Barrel	Thrombin, subunit H	predicted glycosyltransferase like domains	CATH (4.3.0)
C [auth D]	2.40.10.220	Mainly Beta	Beta Barrel	Thrombin, subunit H	predicted glycosyltransferase like domains	CATH (4.3.0)
B	3.20.20.450	Alpha Beta	Alpha-Beta Barrel	TIM Barrel	EAL domain	CATH (4.3.0)
A	3.20.20.450	Alpha Beta	Alpha-Beta Barrel	TIM Barrel	EAL domain	CATH (4.3.0)

Chains	Polymer	Molecular Function	Biological Process	Cellular Component
C [auth D], D [auth C]	Type IV fimbriae assembly protein	guanyl nucleotide binding binding cyclic nucleotide binding nucleotide binding guanyl ribonucleotide binding purine ribonucleotide binding nucleoside phosphate binding ion binding cyclic-di-GMP binding purine nucleotide binding anion binding heterocyclic compound binding carbohydrate derivative binding ribonucleotide binding guanyl nucleotide binding binding cyclic nucleotide binding nucleotide binding guanyl ribonucleotide binding purine ribonucleotide binding nucleoside phosphate binding ion binding cyclic-di-GMP binding purine nucleotide binding anion binding heterocyclic compound binding carbohydrate derivative binding ribonucleotide binding small molecule binding	-	-
A, B	FimX	phosphoric ester hydrolase activity hydrolase activity, acting on ester bonds phosphoric diester hydrolase activity cyclic-guanylate-specific phosphodiesterase activity hydrolase activity catalytic activity	-	-

Chains	Accession	Name	Type
C [auth D], D [auth C]	IPR009875	PilZ domain	Domain
A, B	IPR035965	PAS domain superfamily	Homologous Superfamily
A, B	IPR000014	PAS domain	Domain
A, B	IPR011006	CheY-like superfamily	Homologous Superfamily
A, B	IPR000160	GGDEF domain	Domain
A, B	IPR050706	Cyclic-di-GMP_PDE-like	Unknown
A, B	IPR043128	Reverse transcriptase/Diguanylate cyclase domain	Homologous Superfamily
A, B	IPR001633	EAL domain	Domain
A, B	IPR035919	EAL domain superfamily	Homologous Superfamily
A, B	IPR029787	Nucleotide cyclase	Homologous Superfamily

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.

4FOU | pdb_00004fou