Annotations: 2QW1

Domain Annotation: SCOP/SCOPe Classification SCOP Database Homepage

Chains	Domain Info	Class	Fold	Superfamily	Family	Domain	Species	Provenance Source (Version)
A	d2qw1a_	Alpha and beta proteins (a/b)	Periplasmic binding protein-like I	Periplasmic binding protein-like I	L-arabinose binding protein-like	Galactose/glucose-binding protein	(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	L-arabinose binding protein-like	8003817	4000206	SCOP2 (2022-06-29)
A	SCOP2 Superfamily	Type 1 solute binding protein-like	8003818	3000125	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	Peripla_BP_1_1st	e2qw1A2	A: a/b three-layered sandwiches	X: Flavodoxin-like	H: Class I glutamine amidotransferase-like	T: Periplasmic binding protein-like I	F: Peripla_BP_1_1st	ECOD (1.6)
A	Peripla_BP_4_C	e2qw1A3	A: a/b three-layered sandwiches	X: Flavodoxin-like	H: Class I glutamine amidotransferase-like	T: Periplasmic binding protein-like I	F: Peripla_BP_4_C	ECOD (1.6)

Domain Annotation: CATH CATH Database Homepage

Chain	Domain	Class	Architecture	Topology	Homology	Provenance Source (Version)
A	3.40.50.2300	Alpha Beta	3-Layer(aba) Sandwich	Rossmann fold	Response regulator	CATH (4.3.0)

Protein Family Annotation Pfam Database Homepage

Chains	Accession	Name	Description	Comments	Source
A	PF13407	Periplasmic binding protein domain (Peripla_BP_4)	Periplasmic binding protein domain	-	Family

Gene Ontology: Gene Product Annotation Gene Ontology Database Homepage

Chains	Polymer	Molecular Function	Biological Process	Cellular Component
A	D-galactose-binding periplasmic protein	binding carbohydrate binding cation binding ion binding calcium ion binding metal ion binding small molecule binding	chemotaxis response to stimulus taxis response to chemical response to external stimulus locomotion localization glycoside transport transport methylgalactoside transport organic substance transport carbohydrate derivative transport establishment of localization hexose transmembrane transport chemotaxis response to stimulus taxis response to chemical response to external stimulus locomotion localization glycoside transport transport methylgalactoside transport organic substance transport carbohydrate derivative transport establishment of localization hexose transmembrane transport carbohydrate transport transmembrane transport galactose transmembrane transport cellular process monosaccharide transmembrane transport carbohydrate transmembrane transport	ATPase dependent transmembrane transport complex ATP-binding cassette (ABC) transporter complex, substrate-binding subunit-containing protein-containing complex plasma membrane protein complex membrane plasma membrane membrane protein complex cellular anatomical entity transporter complex ATP-binding cassette (ABC) transporter complex cell periphery transmembrane transporter complex outer membrane-bounded periplasmic space cell envelope ATPase dependent transmembrane transport complex ATP-binding cassette (ABC) transporter complex, substrate-binding subunit-containing protein-containing complex plasma membrane protein complex membrane plasma membrane membrane protein complex cellular anatomical entity transporter complex ATP-binding cassette (ABC) transporter complex cell periphery transmembrane transporter complex outer membrane-bounded periplasmic space cell envelope periplasmic space

InterPro: Protein Family Classification InterPro Database Homepage

Chains	Accession	Name	Type
A	IPR044085	D-galactose-binding periplasmic protein MglB-like, PBP domain	Domain
A	IPR025997	Periplasmic binding protein	Domain
A	IPR028082	Periplasmic binding protein-like I	Homologous Superfamily

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.