Annotations: 7PN1

Domain Annotation: ECOD Classification ECOD Database Homepage

Chains	Family Name	Domain Identifier	Architecture	Possible Homology	Homology	Topology	Family	Provenance Source (Version)
A	2A1704_like	e7pn1A2	A: beta sandwiches	X: Immunoglobulin-like beta-sandwich	H: Immunoglobulin-related	T: Prealbumin-like	F: 2A1704_like	ECOD (1.6)
A	2A1704_2nd	e7pn1A3	A: beta sandwiches	X: Immunoglobulin-like beta-sandwich	H: Immunoglobulin-related	T: Prealbumin-like	F: 2A1704_2nd	ECOD (1.6)
A	PTR2	e7pn1A4	A: alpha complex topology	X: Major facilitator superfamily (MFS) general substrate transporter (From Topology)	H: Major facilitator superfamily (MFS) general substrate transporter (From Topology)	T: Major facilitator superfamily (MFS) general substrate transporter	F: PTR2	ECOD (1.6)

Protein Family Annotation Pfam Database Homepage

Chains	Accession	Name	Description	Comments	Source
A	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	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 proton-dependent oligopeptide secondary active transmembrane transporter activity secondary active transmembrane transporter activity dipeptide transmembrane transporter activity monoatomic cation transmembrane transporter activity proton transmembrane transporter activity solute:monoatomic cation symporter activity peptide transmembrane transporter activity peptide:proton symporter activity tripeptide transmembrane transporter activity oligopeptide transmembrane transporter activity amide transmembrane transporter activity transporter activity transmembrane transporter activity active transmembrane transporter activity proton-dependent oligopeptide secondary active transmembrane transporter activity secondary active transmembrane transporter activity dipeptide transmembrane transporter 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	import into cell nitrogen compound transport transport oligopeptide transport import across plasma membrane establishment of localization tripeptide transmembrane transport transmembrane transport oligopeptide transmembrane transport localization tripeptide transport oligopeptide import across plasma membrane amide transport tripeptide import across plasma membrane import into cell nitrogen compound transport transport oligopeptide transport import across plasma membrane establishment of localization tripeptide transmembrane transport transmembrane transport oligopeptide transmembrane transport localization tripeptide transport oligopeptide import across plasma membrane amide transport tripeptide import across plasma membrane cellular process peptide transport monoatomic ion transport protein localization establishment of protein localization cellular localization protein transport cellular macromolecule localization macromolecule localization dipeptide transport 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	IPR000109	Proton-dependent oligopeptide transporter family	Family
A	IPR004768	Oligopeptide transporter	Family
A	IPR018456	PTR2 family proton/oligopeptide symporter, conserved site	Conserved Site
A	IPR036259	MFS transporter superfamily	Homologous Superfamily

Pharos: Disease Associations Pharos Homepage Annotation

Chains	Drug Target	Associated Disease
A	Pharos: P46059	pancreatic intraductal papillary-mucinous neoplasm with low grade dysplasia psoriasis

Membrane Protein Annotation: OPM OPM Database Homepage

Chains	External Link	Type	Class	Superfamily	Family
A	OPM	Transmembrane	Alpha-helical polytopic	Major Facilitator Superfamily (MFS)	Proton-dependent oligopeptide transporter (POT)

Membrane Protein Annotation: PDBTM PDBTM Database Homepage

Chains	External Link	Comment
A	PDBTM	Annotated as membrane protein by PDBTM

Membrane Protein Annotation: mpstruc mpstruc Database Homepage

Chains	Resource Link	Group	Subgroup	Protein
A	mpstruc	TRANSMEMBRANE PROTEINS: ALPHA-HELICAL	Solute Carrier (SLC) Transporter Superfamily	SLC15A1 proton-coupled peptide transporter (PepT1) bound to Ala-Phe in the outward facing occluded conformation

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.