Annotations: 4V1U

Chains	Family Name	Domain Identifier	Architecture	Possible Homology	Homology	Topology	Family	Provenance Source (Version)
A	DUF4423_like	e4v1uA1	A: alpha arrays	X: HTH	H: HTH	T: winged	F: DUF4423_like	ECOD (1.6)
A	YcaO_2nd	e4v1uA5	A: a+b two layers	X: dsRBD-like	H: Heterocyclase TruD C-terminal domain (From Topology)	T: Heterocyclase TruD C-terminal domain	F: YcaO_2nd	ECOD (1.6)
A	YcaO_1st	e4v1uA3	A: a+b two layers	X: dsRBD-like	H: Heterocyclase TruD C-terminal domain (From Topology)	T: Heterocyclase TruD C-terminal domain	F: YcaO_1st	ECOD (1.6)
A	ThiF	e4v1uA2	A: a/b three-layered sandwiches	X: Rossmann-like	H: Rossmann-related	T: Activating enzymes of the ubiquitin-like proteins	F: ThiF	ECOD (1.6)
B	DUF4423_like	e4v1uB5	A: alpha arrays	X: HTH	H: HTH	T: winged	F: DUF4423_like	ECOD (1.6)
B	YcaO_2nd	e4v1uB2	A: a+b two layers	X: dsRBD-like	H: Heterocyclase TruD C-terminal domain (From Topology)	T: Heterocyclase TruD C-terminal domain	F: YcaO_2nd	ECOD (1.6)
B	YcaO_1st	e4v1uB3	A: a+b two layers	X: dsRBD-like	H: Heterocyclase TruD C-terminal domain (From Topology)	T: Heterocyclase TruD C-terminal domain	F: YcaO_1st	ECOD (1.6)
B	ThiF	e4v1uB1	A: a/b three-layered sandwiches	X: Rossmann-like	H: Rossmann-related	T: Activating enzymes of the ubiquitin-like proteins	F: ThiF	ECOD (1.6)

Chains	Accession	Name	Description	Comments	Source
A, B	PF02624	YcaO cyclodehydratase, ATP-ad Mg2+-binding (YcaO)	YcaO cyclodehydratase, ATP-ad Mg2+-binding	-	Family
A, B	PF21084	Winged Helix-turn-helix domain (DUF4423_like)	Winged Helix-turn-helix domain	This domain is found at the N-terminus of the TruD protein [1] a protein involved in cyanobactin heterocyclisation. It adopts a winged helix-turn-helix structure. It is also found in the related LynD protein [2].	Domain

Chains	Polymer	Molecular Function	Biological Process	Cellular Component
A, B	LYND	binding nucleoside phosphate binding organic cyclic compound binding nucleotide binding heterocyclic compound binding small molecule binding cation binding ion binding metal ion binding	-	-
C, D	PATE	-	-	-

Chains	Accession	Name	Type
A, B	IPR049274	LynD/TruD, winged helix-turn-helix-like domain	Domain
A, B	IPR003776	YcaO-like domain	Domain
A, B	IPR022291	Bacteriocin biosynthesis, cyclodehydratase domain	Domain
A, B	IPR027624	Thiazole/oxazole-forming peptide maturase, SagD family component	Family
C, D	IPR044050	Protein of unknown function (DUF5837)	Family
C, D	IPR022264	Microcyclamide/patellamide bacteriocin family, leader peptide	Domain