Annotations: 4Q84

Chains	Family Name	Domain Identifier	Architecture	Possible Homology	Homology	Topology	Family	Provenance Source (Version)
A	PF18381	e4q84A1	A: alpha superhelices	X: Repetitive alpha hairpins	H: Ribosomal protein S12 methylthiotransferase accessory factor YcaO C-terminal domain (From Topology)	T: Ribosomal protein S12 methylthiotransferase accessory factor YcaO C-terminal domain	F: PF18381	ECOD (1.6)
A	PF02624	e4q84A4	A: a+b two layers	X: dsRBD-like	H: Heterocyclase TruD C-terminal domain (From Topology)	T: Heterocyclase TruD C-terminal domain	F: PF02624	ECOD (1.6)
B	PF18381	e4q84B1	A: alpha superhelices	X: Repetitive alpha hairpins	H: Ribosomal protein S12 methylthiotransferase accessory factor YcaO C-terminal domain (From Topology)	T: Ribosomal protein S12 methylthiotransferase accessory factor YcaO C-terminal domain	F: PF18381	ECOD (1.6)
B	PF02624	e4q84B4	A: a+b two layers	X: dsRBD-like	H: Heterocyclase TruD C-terminal domain (From Topology)	T: Heterocyclase TruD C-terminal domain	F: PF02624	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	PF18381	YcaO cyclodehydratase C-terminal domain (YcaO_C)	YcaO cyclodehydratase C-terminal domain	-	Repeat

Chains	Polymer	Molecular Function	Biological Process	Cellular Component
A, B	Ribosomal protein S12 methylthiotransferase accessory factor YcaO	cation binding magnesium ion binding ion binding binding metal ion binding small molecule binding pyrophosphatase activity nucleoside triphosphate diphosphatase activity hydrolase activity, acting on acid anhydrides, in phosphorus-containing anhydrides hydrolase activity ATP diphosphatase activity hydrolase activity, acting on acid anhydrides catalytic activity	-	intracellular anatomical structure cytoplasm cellular anatomical entity cytosol