Annotations: 8QSR

Cryo-EM structure of the glucose-specific PTS transporter IICB from E. coli in the inward-facing conformation

External Resource: Annotation

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

Domain Annotation: ECOD Classification ECOD Database Homepage

Chains	Family Name	Domain Identifier	Architecture	Possible Homology	Homology	Topology	Family	Provenance Source (Version)
B	Rnf-Nqr	e8qsrB1	A: alpha arrays	X: HTH	H: HTH	T: Three-helical HTH	F: Rnf-Nqr	ECOD (v295)
A	Putative_PNPOx,PNP_phzG_C	e8qsrA01	A: alpha arrays	X: HTH	H: HTH	T: Three-helical HTH	F: Putative_PNPOx,PNP_phzG_C	ECOD (v295)

Protein Family Annotation Pfam Database Homepage

Chains	Accession	Name	Description	Comments	Source
A, B	PF02378	Phosphotransferase system, EIIC (PTS_EIIC)	Phosphotransferase system, EIIC	-	Family

Gene Ontology: Gene Product Annotation Gene Ontology Database Homepage

Chains	Polymer	Molecular Function	Biological Process	Cellular Component
A, B	PTS system glucose-specific EIICB component	kinase activity transferase activity catalytic activity transferase activity, transferring phosphorus-containing groups active transmembrane transporter activity protein-N(PI)-phosphohistidine-carbohydrate phosphotransferase activity transporter activity carbohydrate transmembrane transporter activity transmembrane transporter activity phosphotransferase activity, alcohol group as acceptor monosaccharide transmembrane transporter activity sugar transmembrane transporter activity D-glucose transmembrane transporter activity hexose transmembrane transporter activity kinase activity transferase activity catalytic activity transferase activity, transferring phosphorus-containing groups active transmembrane transporter activity protein-N(PI)-phosphohistidine-carbohydrate phosphotransferase activity transporter activity carbohydrate transmembrane transporter activity transmembrane transporter activity phosphotransferase activity, alcohol group as acceptor monosaccharide transmembrane transporter activity sugar transmembrane transporter activity D-glucose transmembrane transporter activity hexose transmembrane transporter activity protein-phosphocysteine-sugar phosphotransferase activity protein-phosphocysteine-glucose phosphotransferase system transporter activity	regulation of cellular process RNA metabolic process regulation of primary metabolic process nucleobase-containing compound metabolic process RNA biosynthetic process nucleic acid biosynthetic process DNA-templated transcription regulation of RNA metabolic process regulation of nucleobase-containing compound metabolic process regulation of RNA biosynthetic process regulation of biosynthetic process regulation of biological process biological regulation primary metabolic process regulation of cellular process RNA metabolic process regulation of primary metabolic process nucleobase-containing compound metabolic process RNA biosynthetic process nucleic acid biosynthetic process DNA-templated transcription regulation of RNA metabolic process regulation of nucleobase-containing compound metabolic process regulation of RNA biosynthetic process regulation of biosynthetic process regulation of biological process biological regulation primary metabolic process regulation of macromolecule metabolic process nucleobase-containing compound biosynthetic process gene expression macromolecule biosynthetic process nucleic acid metabolic process regulation of gene expression biosynthetic process cellular process metabolic process regulation of macromolecule biosynthetic process regulation of DNA-templated transcription macromolecule metabolic process regulation of metabolic process import into cell phosphoenolpyruvate-dependent sugar phosphotransferase system transport import across plasma membrane carbohydrate import across plasma membrane carbohydrate transport establishment of localization transmembrane transport localization carbohydrate transmembrane transport hexose transmembrane transport D-glucose transmembrane transport monosaccharide transmembrane transport hexose import across plasma membrane D-glucose import across plasma membrane	cellular anatomical structure membrane cell periphery plasma membrane

InterPro: Protein Family Classification InterPro Database Homepage

Chains	Accession	Name	Type
A, B	IPR018113	Phosphotransferase system EIIB, cysteine phosphorylation site	Conserved Site
A, B	IPR013013	Phosphotransferase system, EIIC component, type 1	Domain
A, B	IPR011299	PTS system glucose-specific IIBC component	Domain
A, B	IPR036878	Glucose permease domain IIB	Homologous Superfamily
A, B	IPR050429	Phosphotransferase System Glucose-Specific EIICBA	Family
A, B	IPR001996	Phosphotransferase system, IIB component, type 1	Domain
A, B	IPR004719	Phosphotransferase system, maltose/glucose-specific subfamily IIC component	Domain
A, B	IPR003352	Phosphotransferase system, EIIC	Domain

Membrane Protein Annotation: PDBTM PDBTM Database Homepage

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

Membrane Protein Annotation: mpstruc mpstruc Database Homepage

Chains	Resource Link	Group	Subgroup	Protein
A, B	mpstruc	TRANSMEMBRANE PROTEINS: ALPHA-HELICAL	Phosphoenolpyruvate-Dependent Phosphotransferases (PTSs)	PtsG PTS system glucose-specific EIICB dimer, inward-facing conformation

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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.