Annotations: 5XBT

Domain Annotation: ECOD Classification ECOD Database Homepage

Chains	Family Name	Domain Identifier	Architecture	Possible Homology	Homology	Topology	Family	Provenance Source (Version)
B	MerR_1	e5xbtB2	A: alpha arrays	X: HTH	H: HTH	T: Putative DNA-binding domain	F: MerR_1	ECOD (1.6)
B	Cass2	e5xbtB1	A: a+b duplicates or obligate multimers	X: Probable bacterial effector-binding domain (From Topology)	H: Probable bacterial effector-binding domain (From Topology)	T: Probable bacterial effector-binding domain	F: Cass2	ECOD (1.6)
A	MerR_1	e5xbtA2	A: alpha arrays	X: HTH	H: HTH	T: Putative DNA-binding domain	F: MerR_1	ECOD (1.6)
A	Cass2	e5xbtA1	A: a+b duplicates or obligate multimers	X: Probable bacterial effector-binding domain (From Topology)	H: Probable bacterial effector-binding domain (From Topology)	T: Probable bacterial effector-binding domain	F: Cass2	ECOD (1.6)

Domain Annotation: CATH CATH Database Homepage

Chain	Domain	Class	Architecture	Topology	Homology	Provenance Source (Version)
B	3.20.80.10	Alpha Beta	Alpha-Beta Barrel	Multidrug-efflux Transporter 1 Regulator Bmrr	Chain A	CATH (utative)
A	3.20.80.10	Alpha Beta	Alpha-Beta Barrel	Multidrug-efflux Transporter 1 Regulator Bmrr	Chain A	CATH (utative)

Protein Family Annotation Pfam Database Homepage

Chains	Accession	Name	Description	Comments	Source
A, B	PF14526	Integron-associated effector binding protein (Cass2)	Integron-associated effector binding protein	This family contains Cass2 from Vibrio cholerae, an integron-associated protein that has been shown [1] to bind cationic drug compounds with submicromolar affinity. Cass2 has been proposed to be representative of a larger family of independent effect ...	This family contains Cass2 from Vibrio cholerae, an integron-associated protein that has been shown [1] to bind cationic drug compounds with submicromolar affinity. Cass2 has been proposed to be representative of a larger family of independent effector-binding proteins associated with lateral gene transfer within Vibrio and other closely-related species.	Domain
A, B	PF00376	MerR family regulatory protein (MerR)	MerR family regulatory protein	-	Family

Gene Ontology: Gene Product Annotation Gene Ontology Database Homepage

Chains	Polymer	Molecular Function	Biological Process	Cellular Component
A, B	Probable transcriptional regulator	DNA binding sequence-specific DNA binding sequence-specific double-stranded DNA binding transcription cis-regulatory region binding binding double-stranded DNA binding nucleic acid binding transcription regulatory region nucleic acid binding nucleoside phosphate binding nucleotide binding heterocyclic compound binding small molecule binding transcription regulator activity DNA-binding transcription factor activity DNA binding sequence-specific DNA binding sequence-specific double-stranded DNA binding transcription cis-regulatory region binding binding double-stranded DNA binding nucleic acid binding transcription regulatory region nucleic acid binding nucleoside phosphate binding nucleotide binding heterocyclic compound binding small molecule binding transcription regulator activity DNA-binding transcription factor activity DNA-binding transcription activator activity	regulation of cellular process negative regulation of biological process RNA metabolic process regulation of primary metabolic process negative regulation of RNA biosynthetic process RNA biosynthetic process nucleobase-containing compound metabolic process DNA-templated transcription nucleic acid biosynthetic process regulation of RNA metabolic process negative regulation of cellular process negative regulation of nucleobase-containing compound metabolic process regulation of nucleobase-containing compound metabolic process regulation of RNA biosynthetic process regulation of cellular process negative regulation of biological process RNA metabolic process regulation of primary metabolic process negative regulation of RNA biosynthetic process RNA biosynthetic process nucleobase-containing compound metabolic process DNA-templated transcription nucleic acid biosynthetic process regulation of RNA metabolic process negative regulation of cellular process negative regulation of nucleobase-containing compound metabolic process regulation of nucleobase-containing compound metabolic process regulation of RNA biosynthetic process negative regulation of macromolecule metabolic process regulation of biosynthetic process negative regulation of DNA-templated transcription regulation of biological process negative regulation of metabolic process biological regulation primary metabolic process regulation of macromolecule metabolic process nucleobase-containing compound biosynthetic process gene expression macromolecule biosynthetic process nucleic acid metabolic process regulation of gene expression biosynthetic process negative regulation of biosynthetic process negative regulation of macromolecule biosynthetic process metabolic process cellular process regulation of macromolecule biosynthetic process macromolecule metabolic process regulation of DNA-templated transcription regulation of metabolic process negative regulation of RNA metabolic process positive regulation of DNA-templated transcription positive regulation of biological process positive regulation of macromolecule biosynthetic process positive regulation of metabolic process positive regulation of biosynthetic process positive regulation of macromolecule metabolic process positive regulation of cellular process positive regulation of RNA metabolic process positive regulation of RNA biosynthetic process	protein-containing complex protein-DNA complex

InterPro: Protein Family Classification InterPro Database Homepage

Chains	Accession	Name	Type
A, B	IPR009061	Putative DNA-binding domain superfamily	Homologous Superfamily
A, B	IPR029441	Integron-associated effector binding protein	Domain
A, B	IPR011256	Regulatory factor, effector binding domain superfamily	Homologous Superfamily
A, B	IPR010499	Bacterial transcription activator, effector binding	Domain
A, B	IPR047057	MerR transcriptional regulator	Family
A, B	IPR000551	MerR-type HTH domain	Domain

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.