Annotations: 5O8O

Domain Annotation: ECOD Classification ECOD Database Homepage

Chains	Family Name	Domain Identifier	Architecture	Possible Homology	Homology	Topology	Family	Provenance Source (Version)
A	Porin_3	e5o8oA1	A: beta barrels	X: Outer membrane meander beta-barrels	H: Porins	T: Porin	F: Porin_3	ECOD (1.6)

Protein Family Annotation Pfam Database Homepage

Chains	Accession	Name	Description	Comments	Source
A	PF01459	Eukaryotic porin (Porin_3)	Eukaryotic porin	-	Family

Gene Ontology: Gene Product Annotation Gene Ontology Database Homepage

Chains	Polymer	Molecular Function	Biological Process	Cellular Component
A	Mitochondrial import receptor subunit tom40	wide pore channel activity passive transmembrane transporter activity channel activity porin activity transporter activity transmembrane transporter activity macromolecule transmembrane transporter activity protein transporter activity protein transmembrane transporter activity	protein localization establishment of protein localization cellular localization nitrogen compound transport transport establishment of protein localization to mitochondrial membrane protein targeting mitochondrial membrane organization cellular component organization outer mitochondrial membrane organization localization cellular macromolecule localization establishment of localization in cell cellular component organization or biogenesis protein localization establishment of protein localization cellular localization nitrogen compound transport transport establishment of protein localization to mitochondrial membrane protein targeting mitochondrial membrane organization cellular component organization outer mitochondrial membrane organization localization cellular macromolecule localization establishment of localization in cell cellular component organization or biogenesis mitochondrial transport mitochondrion organization membrane organization establishment of protein localization to membrane protein insertion into mitochondrial outer membrane organic substance transport intracellular transport localization within membrane protein localization to membrane establishment of localization organelle organization establishment of protein localization to organelle protein transport macromolecule localization protein localization to organelle protein localization to mitochondrion protein targeting to mitochondrion cellular process establishment of protein localization to mitochondrion intracellular protein transport protein transmembrane import into intracellular organelle protein import into mitochondrial matrix protein transmembrane transport mitochondrial transmembrane transport transmembrane transport import into the mitochondrion monoatomic ion transport	protein-containing complex membrane pore complex membrane protein complex cellular anatomical entity membrane-bounded organelle mitochondrial protein-containing complex intracellular anatomical structure mitochondrial membrane mitochondrion outer mitochondrial membrane protein complex organelle outer membrane intracellular membrane-bounded organelle intracellular organelle protein-containing complex membrane pore complex membrane protein complex cellular anatomical entity membrane-bounded organelle mitochondrial protein-containing complex intracellular anatomical structure mitochondrial membrane mitochondrion outer mitochondrial membrane protein complex organelle outer membrane intracellular membrane-bounded organelle intracellular organelle organelle envelope bounding membrane of organelle organelle mitochondrial envelope mitochondrial outer membrane mitochondrial outer membrane translocase complex outer membrane cytoplasm organelle membrane

InterPro: Protein Family Classification InterPro Database Homepage

Chains	Accession	Name	Type
A	IPR023614	Porin domain superfamily	Homologous Superfamily
A	IPR037930	Tom40	Family
A	IPR005686	Mitochondrial import receptor subunit Tom40, fungi	Family
A	IPR027246	Eukaryotic porin/Tom40	Family

Membrane Protein Annotation: OPM OPM Database Homepage

Chains	External Link	Type	Class	Superfamily	Family
A	OPM	Transmembrane	Beta-barrel transmembrane	Mitochondrial and plastid porins	Tom40 family (n=19,S=20)

Membrane Protein Annotation: PDBTM PDBTM Database Homepage

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

Membrane Protein Annotation: MemProtMD MemProtMD Database Homepage

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

Membrane Protein Annotation: mpstruc mpstruc Database Homepage

Chains	Resource Link	Group	Subgroup	Protein
A	mpstruc	TRANSMEMBRANE PROTEINS: BETA-BARREL	Mitochondrial Outer Membrane Beta Barrel Proteins	Translocase of outer mitochondrial membrane (TOM) complex, model

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.