Annotations: 3SZP

Full-length structure of the Vibrio cholerae virulence activator, AphB, a member of the LTTR protein family

External Resource: Annotation

Domain Annotation: ECOD Classification
Domain Annotation: CATH
Protein Family Annotation
Gene Ontology: Gene Product Annotation
InterPro: Protein Family Classification

Domain Annotation: ECOD Classification ECOD Database Homepage

Chains	Family Name	Domain Identifier	Architecture	Possible Homology	Homology	Topology	Family	Provenance Source (Version)
B	V-set	e3szpB4	A: alpha arrays	X: Subtilisin-like	H: Subtilisin-like	T: Subtilisin-like	F: V-set	ECOD (v295.2)
B	RTT107_BRCT_5	e3szpB2	A: alpha arrays	X: putative RnfG subunit of electron transport complex	H: putative RnfG subunit of electron transport complex	T: Class I glutamine amidotransferase-like	F: RTT107_BRCT_5	ECOD (v295.2)
A	Trypsin_2	e3szpA4	A: alpha arrays	X: Fusion glycoprotein F2	H: Fusion glycoprotein F2	T: Fusion glycoprotein F2	F: Trypsin_2	ECOD (v295.2)
A	RTT107_BRCT_5	e3szpA2	A: alpha arrays	X: putative RnfG subunit of electron transport complex	H: putative RnfG subunit of electron transport complex	T: Class I glutamine amidotransferase-like	F: RTT107_BRCT_5	ECOD (v295.2)

Domain Annotation: CATH CATH Database Homepage

Chain	Domain	Class	Architecture	Topology	Homology	Provenance Source (Version)
B	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)
B	3.40.190.290	Alpha Beta	3-Layer(aba) Sandwich	D-Maltodextrin-Binding Protein	domain 2	CATH (4.3.0)
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)
A	3.40.190.290	Alpha Beta	3-Layer(aba) Sandwich	D-Maltodextrin-Binding Protein	domain 2	CATH (4.3.0)

Protein Family Annotation Pfam Database Homepage

Chains	Accession	Name	Description	Comments	Source
A, B	PF03466	LysR substrate binding domain (LysR_substrate)	LysR substrate binding domain	-	Family
A, B	PF00126	Bacterial regulatory helix-turn-helix protein, lysR family (HTH_1)	Bacterial regulatory helix-turn-helix protein, lysR family		Domain

Gene Ontology: Gene Product Annotation Gene Ontology Database Homepage

Chains	Polymer	Molecular Function	Biological Process	Cellular Component
A, B	Transcriptional regulator, LysR family	transcription regulator activity DNA-binding transcription factor activity DNA-binding transcription activator 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 DNA-binding transcription repressor activity	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 nucleic acid biosynthetic process biosynthetic process metabolic process cellular process macromolecule metabolic process	protein-containing complex protein-DNA complex

InterPro: Protein Family Classification InterPro Database Homepage

Chains	Accession	Name	Type
A, B	IPR005119	LysR, substrate-binding	Domain
A, B	IPR058163	LysR-type transcriptional regulator, proteobacterial-type	Family
A, B	IPR000847	LysR, HTH, N-terminal domain	Domain
A, B	IPR036388	Winged helix-like DNA-binding domain superfamily	Homologous Superfamily
A, B	IPR036390	Winged helix DNA-binding domain superfamily	Homologous Superfamily

RCSB PDB is hosted by

RCSB PDB is a member of

RCSB Partners
Nucleic Acid Knowledgebase

CoreTrustSeal

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. RCSB PDB uses resources of the National Energy Research Scientific Computing Center (NERSC), a Department of Energy User Facility.