Annotations: 8B7V

Automated simulation-based refinement of maltoporin into a cryo-EM density

External Resource: Annotation

Domain Annotation: SCOP2 Classification
Domain Annotation: ECOD Classification
Protein Family Annotation
Gene Ontology: Gene Product Annotation
InterPro: Protein Family Classification
Membrane Protein Annotation: PDBTM

Domain Annotation: SCOP2 Classification SCOP2 Database Homepage

Chains	Type	Family Name	Domain Identifier	Family Identifier	Provenance Source (Version)
C	SCOP2B Superfamily	Porins	8037890	3000224	SCOP2B (2022-06-29)
B	SCOP2B Superfamily	Porins	8037890	3000224	SCOP2B (2022-06-29)
A	SCOP2B Superfamily	Porins	8037890	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)
C	Ku_PK_bind	e8b7vC1	A: alpha arrays	X: RNase A-like	H: RNase A-like	T: RNase A-like	F: Ku_PK_bind	ECOD (v295)
B	Ku_PK_bind	e8b7vB1	A: alpha arrays	X: RNase A-like	H: RNase A-like	T: RNase A-like	F: Ku_PK_bind	ECOD (v295)
A	RNA_pol_Rpb6	e8b7vA1	A: alpha arrays	X: cradle loop barrel	H: RIFT-related	T: FMN-binding split barrel	F: RNA_pol_Rpb6	ECOD (v295)

Protein Family Annotation Pfam Database Homepage

Chains	Accession	Name	Description	Comments	Source
A, B, C	PF02264	LamB porin (LamB)	LamB porin	Maltoporin (LamB protein) forms a trimeric structure which facilitates the diffusion of maltodextrins across the outer membrane of Gram-negative bacteria. The membrane channel is formed by an antiparallel beta-barrel [1].	Domain

Gene Ontology: Gene Product Annotation Gene Ontology Database Homepage

Chains	Polymer	Molecular Function	Biological Process	Cellular Component
A, B, C	Maltoporin	disaccharide transmembrane transporter activity oligosaccharide transmembrane transporter activity transporter activity carbohydrate transmembrane transporter activity maltose transmembrane transporter activity transmembrane transporter activity protein binding binding virus receptor activity exogenous protein binding wide pore channel activity passive transmembrane transporter activity channel activity porin activity disaccharide transmembrane transporter activity oligosaccharide transmembrane transporter activity transporter activity carbohydrate transmembrane transporter activity maltose transmembrane transporter activity transmembrane transporter activity protein binding binding virus receptor activity exogenous protein binding wide pore channel activity passive transmembrane transporter activity channel activity porin activity macromolecule transmembrane transporter activity maltodextrin transmembrane transporter activity dextrin transmembrane transporter activity polysaccharide transmembrane transporter activity maltose transporting porin activity	cellular response to stimulus cellular response to stress response to stimulus DNA damage response response to stress cellular process maltose transmembrane transport transport carbohydrate transport oligosaccharide transport establishment of localization transmembrane transport localization disaccharide transport cellular response to stimulus cellular response to stress response to stimulus DNA damage response response to stress cellular process maltose transmembrane transport transport carbohydrate transport oligosaccharide transport establishment of localization transmembrane transport localization disaccharide transport carbohydrate transmembrane transport maltose transport polysaccharide localization dextrin transport macromolecule localization maltodextrin transmembrane transport polysaccharide transport monoatomic ion transport	protein-containing complex cellular anatomical structure outer membrane protein complex membrane membrane protein complex pore complex cell outer membrane external encapsulating structure extracellular region cell envelope outer membrane

InterPro: Protein Family Classification InterPro Database Homepage

Chains	Accession	Name	Type
A, B, C	IPR050286	G_neg_Bact_CarbUptk_Porin	Unknown
A, B, C	IPR003192	Porin, LamB-type	Family
A, B, C	IPR023738	Maltoporin	Family
A, B, C	IPR036998	Porin, LamB-type superfamily	Homologous Superfamily

Membrane Protein Annotation: PDBTM PDBTM Database Homepage

Chains	External Link	Comment
A, B, C	PDBTM	Annotated as membrane protein by PDBTM

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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 R01GM157729. RCSB PDB uses resources of the National Energy Research Scientific Computing Center (NERSC), a Department of Energy User Facility.