Annotations: 1R9L

Domain Annotation: SCOP/SCOPe Classification SCOP Database Homepage

Chains	Domain Info	Class	Fold	Superfamily	Family	Domain	Species	Provenance Source (Version)
A	d1r9la_	Alpha and beta proteins (a/b)	Periplasmic binding protein-like II	Periplasmic binding protein-like II	Phosphate binding protein-like	Glycine betaine-binding periplasmic protein ProX	(Escherichia coli ) [TaxId: 562 ],	SCOPe (2.08)

Domain Annotation: SCOP2 Classification SCOP2 Database Homepage

Chains	Type	Family Name	Domain Identifier	Family Identifier	Provenance Source (Version)
A	SCOP2 Family	Phosphate binding protein-like	8028088	4000229	SCOP2 (2022-06-29)
A	SCOP2 Superfamily	Type 2 solute binding protein-like	8040467	3000083	SCOP2 (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	OpuAC_2	e1r9lA3	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	e1r9lA2	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	Glycine betaine-binding periplasmic protein	binding quaternary ammonium group binding small molecule binding transporter activity transmembrane transporter activity	cellular response to stimulus response to osmotic stress response to stimulus cellular response to chemical stress cellular response to osmotic stress cellular response to environmental stimulus cellular response to chemical stimulus cellular response to stress response to stress response to chemical cellular process response to abiotic stimulus cellular response to abiotic stimulus quaternary ammonium group transport cellular response to stimulus response to osmotic stress response to stimulus cellular response to chemical stress cellular response to osmotic stress cellular response to environmental stimulus cellular response to chemical stimulus cellular response to stress response to stress response to chemical cellular process response to abiotic stimulus cellular response to abiotic stimulus quaternary ammonium group transport localization nitrogen compound transport transport organic substance transport modified amino acid transport glycine betaine transport establishment of localization organic cation transport amino-acid betaine transport import into cell carboxylic acid transmembrane transport glycine transport amino acid transmembrane transport L-amino acid transport organic acid transmembrane transport organic anion transport glycine import across plasma membrane carboxylic acid transport import across plasma membrane neutral amino acid transport organic acid transport transmembrane transport amino acid transport L-alpha-amino acid transmembrane transport amino acid import across plasma membrane hyperosmotic response	membrane cellular anatomical entity outer membrane-bounded periplasmic space cell envelope periplasmic space ATPase dependent transmembrane transport complex protein-containing complex ProVWX complex plasma membrane protein complex plasma membrane membrane protein complex transporter complex ATP-binding cassette (ABC) transporter complex cell periphery membrane cellular anatomical entity outer membrane-bounded periplasmic space cell envelope periplasmic space ATPase dependent transmembrane transport complex protein-containing complex ProVWX complex plasma membrane protein complex plasma membrane membrane protein complex transporter complex ATP-binding cassette (ABC) transporter complex cell periphery transmembrane transporter complex

InterPro: Protein Family Classification InterPro Database Homepage

Chains	Accession	Name	Type
A	IPR007210	ABC-type glycine betaine transport system, substrate-binding domain	Domain

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.