Annotations: 4KT5

Domain Annotation: SCOP2 Classification SCOP2 Database Homepage

Chains	Type	Family Name	Domain Identifier	Family Identifier	Provenance Source (Version)
A	SCOP2B Superfamily	Quinohemoprotein amine dehydrogenase A chain domain 3	8053920	3000299	SCOP2B (2022-06-29)
B	SCOP2B Superfamily	Quinohemoprotein amine dehydrogenase A chain domain 3	8053920	3000299	SCOP2B (2022-06-29)

Domain Annotation: ECOD Classification ECOD Database Homepage

Chains	Family Name	Domain Identifier	Architecture	Possible Homology	Homology	Topology	Family	Provenance Source (Version)
A	GrlR	e4kt5A1	A: beta barrels	X: Lipocalins/Streptavidin	H: Quinohemoprotein amine dehydrogenase A chain, domain 3-like (From Topology)	T: Quinohemoprotein amine dehydrogenase A chain, domain 3-like	F: GrlR	ECOD (1.6)
B	GrlR	e4kt5B1	A: beta barrels	X: Lipocalins/Streptavidin	H: Quinohemoprotein amine dehydrogenase A chain, domain 3-like (From Topology)	T: Quinohemoprotein amine dehydrogenase A chain, domain 3-like	F: GrlR	ECOD (1.6)
C	CaiF_GrlA	e4kt5C1	A: alpha arrays	X: HTH	H: HTH	T: winged	F: CaiF_GrlA	ECOD (1.6)

Domain Annotation: CATH CATH Database Homepage

Chain	Domain	Class	Architecture	Topology	Homology	Provenance Source (Version)
A	2.40.128.380	Mainly Beta	Beta Barrel	Lipocalin	T3SS negative regulator GrlR	CATH (4.3.0)
B	2.40.128.380	Mainly Beta	Beta Barrel	Lipocalin	T3SS negative regulator GrlR	CATH (4.3.0)
C	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)

Protein Family Annotation Pfam Database Homepage

Chains	Accession	Name	Description	Comments	Source
C	PF07180	CaiF/GrlA transcriptional regulator (CaiF_GrlA)	CaiF/GrlA transcriptional regulator	-	Family

Gene Ontology: Gene Product Annotation Gene Ontology Database Homepage

Chains	Polymer	Molecular Function	Biological Process	Cellular Component
A, B	GrlR	-	-	-
C	GrlA	-	cellular biosynthetic process cellular metabolic process RNA metabolic process primary metabolic process nucleobase-containing compound biosynthetic process gene expression macromolecule biosynthetic process nucleic acid metabolic process RNA biosynthetic process nucleobase-containing compound metabolic process DNA-templated transcription organic cyclic compound metabolic process nucleic acid biosynthetic process organic substance metabolic process biosynthetic process cellular biosynthetic process cellular metabolic process RNA metabolic process primary metabolic process nucleobase-containing compound biosynthetic process gene expression macromolecule biosynthetic process nucleic acid metabolic process RNA biosynthetic process nucleobase-containing compound metabolic process DNA-templated transcription organic cyclic compound metabolic process nucleic acid biosynthetic process organic substance metabolic process biosynthetic process organic cyclic compound biosynthetic process organic substance biosynthetic process metabolic process cellular process macromolecule metabolic process	-

InterPro: Protein Family Classification InterPro Database Homepage

Chains	Accession	Name	Type
A, B	IPR043019	T3SS negative regulator GrlR domain superfamily	Homologous Superfamily
C	IPR020357	Transcription regulator CaiF/GrlA	Family
C	IPR036388	Winged helix-like DNA-binding domain superfamily	Homologous Superfamily

RCSB PDB Core Operations are funded by the National Science Foundation (DBI-1832184), 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 R01GM133198.