Annotations: 4FQE

Domain Annotation: ECOD Classification ECOD Database Homepage

Chains	Family Name	Domain Identifier	Architecture	Possible Homology	Homology	Topology	Family	Provenance Source (Version)
A	KdgM	e4fqeA1	A: beta barrels	X: Outer membrane meander beta-barrels	H: Porins	T: Porin	F: KdgM	ECOD (1.6)

Domain Annotation: CATH CATH Database Homepage

Chain	Domain	Class	Architecture	Topology	Homology	Provenance Source (Version)
A	2.40.160.40	Mainly Beta	Beta Barrel	Porin	monomeric porin ompg	CATH (4.3.0)

Protein Family Annotation Pfam Database Homepage

Chains	Accession	Name	Description	Comments	Source
A	PF06178	Oligogalacturonate-specific porin protein (KdgM) (KdgM)	Oligogalacturonate-specific porin protein (KdgM)	-	Family

Gene Ontology: Gene Product Annotation Gene Ontology Database Homepage

Chains	Polymer	Molecular Function	Biological Process	Cellular Component
A	Oligogalacturonate-specific porin kdgM	wide pore channel activity passive transmembrane transporter activity channel activity porin activity transporter activity transmembrane transporter activity gated channel activity monoatomic ion channel activity voltage-gated channel activity voltage-gated monoatomic ion channel activity monoatomic ion transmembrane transporter activity	galacturonan metabolic process carbohydrate metabolic process polysaccharide metabolic process organic substance metabolic process pectin metabolic process metabolic process primary metabolic process macromolecule metabolic process localization transport organic substance transport carbohydrate transport establishment of localization	protein-containing complex membrane pore complex membrane protein complex cellular anatomical entity cell periphery cell outer membrane external encapsulating structure cell envelope outer membrane

InterPro: Protein Family Classification InterPro Database Homepage

Chains	Accession	Name	Type
A	IPR009331	Oligogalacturonate-specific porin	Family

Membrane Protein Annotation: OPM OPM Database Homepage

Chains	External Link	Type	Class	Superfamily	Family
A	OPM	Transmembrane	Beta-barrel transmembrane	KdgM/CopB (n=12,S=14)	Oligogalactoronate-specific porin (KdgM)

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	KdgM monomeric porin in complex with disordered oligogalacturonate, wild-type

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.