Annotations: 1DPE

Domain Annotation: SCOP/SCOPe Classification SCOP-e Database Homepage

Chains	Domain Info	Class	Fold	Superfamily	Family	Domain	Species	Provenance Source (Version)
A	d1dpea_	Alpha and beta proteins (a/b)	Periplasmic binding protein-like II	Periplasmic binding protein-like II	Phosphate binding protein-like	Dipeptide-binding protein	(Escherichia coli K-12 ) [TaxId: 83333 ],	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	8020974	4000229	SCOP2 (2022-06-29)
A	SCOP2 Superfamily	Type 2 solute binding protein-like	8033354	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	SBP_bac_5_1st	e1dpeA2	A: a+b two layers	X: Alpha-beta plaits	H: Oligo-peptide binding protein (OPPA) insertion domain (From Topology)	T: Oligo-peptide binding protein (OPPA) insertion domain	F: SBP_bac_5_1st	ECOD (1.6)
A	SBP_bac_5_3rd	e1dpeA4	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: SBP_bac_5_3rd	ECOD (1.6)
A	SBP_bac_5_2nd	e1dpeA3	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: SBP_bac_5_2nd	ECOD (1.6)

Domain Annotation: CATH CATH Database Homepage

Chain	Domain	Class	Architecture	Topology	Homology	Provenance Source (Version)
A	3.90.76.10	Alpha Beta	Alpha-Beta Complex	Dipeptide-binding Protein	domain 1	CATH (4.3.0)
A	3.40.190.10	Alpha Beta	3-Layer(aba) Sandwich	D-Maltodextrin-Binding Protein	domain 2	CATH (4.3.0)
A	3.10.105.10	Alpha Beta	Roll	Dipeptide-binding Protein	domain 3	CATH (4.3.0)

Protein Family Annotation Pfam Database Homepage

Chains	Accession	Name	Description	Comments	Source
A	PF00496	Bacterial extracellular solute-binding proteins, family 5 Middle (SBP_bac_5)	Bacterial extracellular solute-binding proteins, family 5 Middle	The borders of this family are based on the PDBSum definitions of the domain edges for Swiss:P06202.	Domain

Gene Ontology: Gene Product Annotation Gene Ontology Database Homepage

Chains	Polymer	Molecular Function	Biological Process	Cellular Component
A	DIPEPTIDE-BINDING PROTEIN	peptide transmembrane transporter activity transporter activity transmembrane transporter activity binding organic cyclic compound binding tetrapyrrole binding heme binding dipeptide transmembrane transporter activity oligopeptide transmembrane transporter activity amide transmembrane transporter activity peptide binding	nitrogen compound transport transport iron ion transport establishment of localization metal ion transport localization heme transport transition metal ion transport monoatomic ion transport monoatomic cation transport iron coordination entity transport peptide transport amide transport primary metabolic process nitrogen compound transport transport iron ion transport establishment of localization metal ion transport localization heme transport transition metal ion transport monoatomic ion transport monoatomic cation transport iron coordination entity transport peptide transport amide transport primary metabolic process gene expression chaperone-mediated protein folding macromolecule biosynthetic process protein maturation protein folding biosynthetic process metabolic process cellular process protein metabolic process macromolecule metabolic process protein localization establishment of protein localization cellular localization protein transport cellular macromolecule localization macromolecule localization dipeptide transport oligopeptide transport positive chemotaxis chemotaxis response to stimulus taxis response to chemical response to external stimulus locomotion heme transmembrane transport monoatomic ion transmembrane transport iron ion transmembrane transport inorganic ion transmembrane transport inorganic cation transmembrane transport transmembrane transport monoatomic cation transmembrane transport	cellular anatomical structure membrane ATPase dependent transmembrane transport complex ATP-binding cassette (ABC) transporter complex, substrate-binding subunit-containing protein-containing complex plasma membrane protein complex plasma membrane membrane protein complex transporter complex ATP-binding cassette (ABC) transporter complex cell periphery transmembrane transporter complex outer membrane-bounded periplasmic space cell envelope cellular anatomical structure membrane ATPase dependent transmembrane transport complex ATP-binding cassette (ABC) transporter complex, substrate-binding subunit-containing protein-containing complex plasma membrane protein complex plasma membrane membrane protein complex 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	IPR030678	Peptide/nickel binding protein, MppA-type	Family
A	IPR023765	Solute-binding protein family 5, conserved site	Conserved Site
A	IPR000914	Solute-binding protein family 5 domain	Domain
A	IPR050017	Dipeptide ABC transporter periplasmic-binding protein DppA	Family
A	IPR039424	Solute-binding protein family 5	Family

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.