Annotations: 1BT9

Domain Annotation: SCOP/SCOPe Classification SCOP Database Homepage

Chains	Domain Info	Class	Fold	Superfamily	Family	Domain	Species	Provenance Source (Version)
A	d1bt9a_	Membrane and cell surface proteins and peptides	Transmembrane beta-barrels	Porins	Porin	Porin	(Escherichia coli B ) [TaxId: 37762 ],	SCOPe (2.08)

Domain Annotation: SCOP2 Classification SCOP2 Database Homepage

Chains	Type	Family Name	Domain Identifier	Family Identifier	Provenance Source (Version)
A	SCOP2B Superfamily	Porins	8033399	3000224	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	Porin_1	e1bt9A1	A: beta barrels	X: Outer membrane meander beta-barrels	H: Porins	T: Porin	F: Porin_1	ECOD (1.6)

Domain Annotation: CATH CATH Database Homepage

Chain	Domain	Class	Architecture	Topology	Homology	Provenance Source (Version)
A	2.40.160.10	Mainly Beta	Beta Barrel	Porin	Porin	CATH (4.3.0)

Protein Family Annotation Pfam Database Homepage

Chains	Accession	Name	Description	Comments	Source
A	PF00267	Gram-negative porin (Porin_1)	Gram-negative porin	-	Domain

Gene Ontology: Gene Product Annotation Gene Ontology Database Homepage

Chains	Polymer	Molecular Function	Biological Process	Cellular Component
A	PROTEIN (MATRIX PORIN OUTER MEMBRANE PROTEIN F)	wide pore channel activity passive transmembrane transporter activity channel activity porin activity transporter activity transmembrane transporter activity binding lipid binding lipopolysaccharide binding carbohydrate derivative binding monoatomic ion channel activity monoatomic ion transmembrane transporter activity xenobiotic transmembrane transporter activity amide transmembrane transporter activity wide pore channel activity passive transmembrane transporter activity channel activity porin activity transporter activity transmembrane transporter activity binding lipid binding lipopolysaccharide binding carbohydrate derivative binding monoatomic ion channel activity monoatomic ion transmembrane transporter activity xenobiotic transmembrane transporter activity amide transmembrane transporter activity colicin transmembrane transporter activity bacteriocin transmembrane transporter activity disordered domain specific binding protein binding protein domain specific binding identical protein binding	transmembrane transport localization transport monoatomic ion transmembrane transport monoatomic ion transport cellular process establishment of localization protein-containing complex organization protein trimerization cellular component organization cellular component biogenesis cellular component assembly protein homotrimerization protein complex oligomerization transmembrane transport localization transport monoatomic ion transmembrane transport monoatomic ion transport cellular process establishment of localization protein-containing complex organization protein trimerization cellular component organization cellular component biogenesis cellular component assembly protein homotrimerization protein complex oligomerization protein-containing complex assembly protein homooligomerization cellular component organization or biogenesis	membrane cellular anatomical entity protein-containing complex transmembrane transporter complex membrane protein complex transporter complex monoatomic ion channel complex pore complex cell periphery cell outer membrane external encapsulating structure cell envelope outer membrane

InterPro: Protein Family Classification InterPro Database Homepage

Chains	Accession	Name	Type
A	IPR001897	Porin, gammaproteobacterial	Family
A	IPR033900	Porin domain, Gram-negative type	Domain
A	IPR023614	Porin domain superfamily	Homologous Superfamily
A	IPR001702	Porin, Gram-negative type	Family
A	IPR013793	Porin, Gram-negative type, conserved site	Conserved Site

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	Beta-Barrel Membrane Proteins: Porins and Relatives	OmpF Porin, D74A mutant

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.