Annotations: 2QC5

Domain Annotation: ECOD Classification ECOD Database Homepage

Chains	Family Name	Domain Identifier	Architecture	Possible Homology	Homology	Topology	Family	Provenance Source (Version)
A	Lactonase_1	e2qc5A1	A: beta duplicates or obligate multimers	X: beta-propeller-like	H: beta-propeller	T: 7-bladed	F: Lactonase_1	ECOD (1.6)

Domain Annotation: CATH CATH Database Homepage

Chain	Domain	Class	Architecture	Topology	Homology	Provenance Source (Version)
A	2.130.10.10	Mainly Beta	7 Propeller	Methylamine Dehydrogenase	Chain H	CATH (4.3.0)

AMR Gene: CARD Annotation CARD Database Homepage

Chains	Accession	Short Name	Description	Provenance Source (Version)
A	ARO:3001308	vgbB	VgbB inactivates streptogramin B-type antibiotics by linearizing the lactone ring on the ester bond through an elimination mechanism, thus conferring resistance.	CARD (4.0.1)

AMR Gene Family: CARD Annotation CARD Database Homepage

Chains	Accession	Gene Family	Drug Class	Resistance Machanism	Provenance Source (Version)
A	ARO:3000376	streptogramin vgb lyase	streptogramin antibiotic, streptogramin B antibiotic	antibiotic inactivation	CARD (4.0.1)

Gene Ontology: Gene Product Annotation Gene Ontology Database Homepage

Chains	Polymer	Molecular Function	Biological Process	Cellular Component
A	Streptogramin B lactonase	cation binding magnesium ion binding ion binding binding metal ion binding small molecule binding lyase activity catalytic activity carbon-oxygen lyase activity	antibiotic metabolic process catabolic process metabolic process cellular process antibiotic catabolic process response to stimulus response to chemical response to antibiotic	-

InterPro: Protein Family Classification InterPro Database Homepage

Chains	Accession	Name	Type
A	IPR011217	Virginiamycin B lyase Vgb	Family
A	IPR051344	Virginiamycin B lyase	Family
A	IPR015943	WD40/YVTN repeat-like-containing domain superfamily	Homologous Superfamily

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.