4EQQ

Chains	Family Name	Domain Identifier	Architecture	Possible Homology	Homology	Topology	Family	Provenance Source (Version)
A	PF07553	e4eqqA3	A: alpha arrays	X: HTH	H: DNA repair regulatory protein RecX (From Topology)	T: DNA repair regulatory protein RecX	F: PF07553	ECOD (1.6)
B	PF07553	e4eqqB2	A: alpha arrays	X: HTH	H: DNA repair regulatory protein RecX (From Topology)	T: DNA repair regulatory protein RecX	F: PF07553	ECOD (1.6)

Chain	Domain	Class	Architecture	Topology	Homology	Provenance Source (Version)
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)

Chains	Accession	Name	Description	Comments	Source
A, B	PF07553	Host cell surface-exposed lipoprotein (Lipoprotein_Ltp)	Host cell surface-exposed lipoprotein	This domain is found as 1 to 5 copies in lipoproteins that are involved in superinfection exclusion. Proteins in this group have been shown to act at the stage of DNA release from the phage head into the cell [1]. This domain shows a three-helix bund ...	This domain is found as 1 to 5 copies in lipoproteins that are involved in superinfection exclusion. Proteins in this group have been shown to act at the stage of DNA release from the phage head into the cell [1]. This domain shows a three-helix bundle belonging to the HTH superfamily [2].	Domain

Chains	Accession	Name	Type
A, B	IPR011434	Putative host cell surface-exposed lipoprotein Ltp-like, HTH region	Domain
A, B	IPR036388	Winged helix-like DNA-binding domain superfamily	Homologous Superfamily