Annotations: 3L6G

Domain Annotation: ECOD Classification ECOD Database Homepage

Chains	Family Name	Domain Identifier	Architecture	Possible Homology	Homology	Topology	Family	Provenance Source (Version)
A	OpuAC_2	e3l6gA1	A: a/b three-layered sandwiches	X: Periplasmic binding protein-like II (From Topology)	H: Periplasmic binding protein-like II (From Topology)	T: Periplasmic binding protein-like II	F: OpuAC_2	ECOD (1.6)
A	OpuAC	e3l6gA2	A: a/b three-layered sandwiches	X: Periplasmic binding protein-like II (From Topology)	H: Periplasmic binding protein-like II (From Topology)	T: Periplasmic binding protein-like II	F: OpuAC	ECOD (1.6)

Domain Annotation: CATH CATH Database Homepage

Chain	Domain	Class	Architecture	Topology	Homology	Provenance Source (Version)
A	3.40.190.10	Alpha Beta	3-Layer(aba) Sandwich	D-Maltodextrin-Binding Protein	domain 2	CATH (4.3.0)
A	3.40.190.100	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	PF04069	Substrate binding domain of ABC-type glycine betaine transport system (OpuAC)	Substrate binding domain of ABC-type glycine betaine transport system	-	Family

Gene Ontology: Gene Product Annotation Gene Ontology Database Homepage

Chains	Polymer	Molecular Function	Biological Process	Cellular Component
A	Betaine ABC transporter permease and substrate binding protein	amine transmembrane transporter activity transporter activity transmembrane transporter activity organic cation transmembrane transporter activity carnitine transmembrane transporter activity quaternary ammonium group transmembrane transporter activity modified amino acid transmembrane transporter activity	quaternary ammonium group transport localization nitrogen compound transport transport modified amino acid transport glycine betaine transport establishment of localization organic cation transport amino-acid betaine transport peptide transport amide transport choline transport protein localization establishment of protein localization quaternary ammonium group transport localization nitrogen compound transport transport modified amino acid transport glycine betaine transport establishment of localization organic cation transport amino-acid betaine transport peptide transport amide transport choline transport protein localization establishment of protein localization cellular localization protein transport cellular macromolecule localization macromolecule localization cellular process	ATPase dependent transmembrane transport complex protein-containing complex plasma membrane protein complex membrane plasma membrane membrane protein complex transporter complex ATP-binding cassette (ABC) transporter complex cell periphery cellular anatomical structure transmembrane transporter complex

InterPro: Protein Family Classification InterPro Database Homepage

Chains	Accession	Name	Type
A	IPR000515	ABC transporter type 1, transmembrane domain MetI-like	Domain
A	IPR035906	MetI-like superfamily	Homologous Superfamily
A	IPR007210	ABC-type glycine betaine transport system, substrate-binding 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.