Annotations: 5A9D

Domain Annotation: SCOP2 Classification SCOP2 Database Homepage

Chains	Type	Family Name	Domain Identifier	Family Identifier	Provenance Source (Version)
A	SCOP2 Family	Extracellular domain of PepT1 and PepT2	8048331	4007576	SCOP2 (2022-06-29)
A	SCOP2 Superfamily	Extracellular domains of PepT1 and PepT2	8052050	3002087	SCOP2 (2022-06-29)
A	SCOP2 Superfamily	Extracellular domains of PepT1 and PepT2	8052051	3002087	SCOP2 (2022-06-29)
B	SCOP2B Superfamily	Extracellular domains of PepT1 and PepT2	8052051	3002087	SCOP2B (2022-06-29)
B	SCOP2B Superfamily	Extracellular domains of PepT1 and PepT2	8052050	3002087	SCOP2B (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	F_UNCLASSIFIED	e5a9dA1	A: beta sandwiches	X: Immunoglobulin-like beta-sandwich	H: Immunoglobulin-related	T: Prealbumin-like	F: F_UNCLASSIFIED	ECOD (1.6)
B	F_UNCLASSIFIED	e5a9dB2	A: beta sandwiches	X: Immunoglobulin-like beta-sandwich	H: Immunoglobulin-related	T: Prealbumin-like	F: F_UNCLASSIFIED	ECOD (1.6)

Protein Family Annotation Pfam Database Homepage

Chains	Accession	Name	Description	Comments	Source
A, B	PF00854	POT family (PTR2)	POT family	-	Family

Gene Ontology: Gene Product Annotation Gene Ontology Database Homepage

Chains	Polymer	Molecular Function	Biological Process	Cellular Component
A, B	SOLUTE CARRIER FAMILY 15 MEMBER 1	tripeptide transmembrane transporter activity oligopeptide transmembrane transporter activity amide transmembrane transporter activity transporter activity transmembrane transporter activity active transmembrane transporter activity secondary active oligopeptide transmembrane transporter activity proton-dependent oligopeptide secondary active transmembrane transporter activity secondary active transmembrane transporter activity dipeptide transmembrane transporter activity molecular function inhibitor activity transporter inhibitor activity channel regulator activity molecular function regulator activity tripeptide transmembrane transporter activity oligopeptide transmembrane transporter activity amide transmembrane transporter activity transporter activity transmembrane transporter activity active transmembrane transporter activity secondary active oligopeptide transmembrane transporter activity proton-dependent oligopeptide secondary active transmembrane transporter activity secondary active transmembrane transporter activity dipeptide transmembrane transporter activity molecular function inhibitor activity transporter inhibitor activity channel regulator activity molecular function regulator activity channel inhibitor activity transporter regulator activity monoatomic cation transmembrane transporter activity proton transmembrane transporter activity solute:monoatomic cation symporter activity peptide transmembrane transporter activity peptide:proton symporter activity active monoatomic ion transmembrane transporter activity inorganic molecular entity transmembrane transporter activity solute:proton symporter activity inorganic cation transmembrane transporter activity monoatomic ion transmembrane transporter activity symporter activity	negative regulation of amino acid transport regulation of localization regulation of biological process nitrogen compound transport negative regulation of amine transport transport regulation of transport organic substance transport biological regulation negative regulation of biological process negative regulation of transport establishment of localization amino acid transport amine transport localization negative regulation of amino acid transport regulation of localization regulation of biological process nitrogen compound transport negative regulation of amine transport transport regulation of transport organic substance transport biological regulation negative regulation of biological process negative regulation of transport establishment of localization amino acid transport amine transport localization regulation of amino acid transport regulation of amine transport amide transport oligopeptide transport protein localization establishment of protein localization cellular localization protein transport cellular macromolecule localization macromolecule localization cellular process import into cell import across plasma membrane transmembrane transport oligopeptide transmembrane transport dipeptide transport oligopeptide import across plasma membrane dipeptide transmembrane transport dipeptide import across plasma membrane	membrane cellular anatomical entity cell periphery apical part of cell plasma membrane plasma membrane region apical plasma membrane cluster of actin-based cell projections brush border

InterPro: Protein Family Classification InterPro Database Homepage

Chains	Accession	Name	Type
A, B	IPR000109	Proton-dependent oligopeptide transporter family	Family
A, B	IPR004768	Oligopeptide transporter	Family
A, B	IPR018456	PTR2 family proton/oligopeptide symporter, conserved site	Conserved Site
A, B	IPR036259	MFS transporter 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 R01GM133198.