3CQD

Structure of the tetrameric inhibited form of phosphofructokinase-2 from Escherichia coli

External Resource: Annotation

Domain Annotation: SCOP/SCOPe Classification
Domain Annotation: SCOP2 Classification
Domain Annotation: ECOD Classification
Domain Annotation: CATH
Protein Family Annotation
Gene Ontology: Gene Product Annotation
InterPro: Protein Family Classification

Domain Annotation: SCOP/SCOPe Classification SCOP Database Homepage

Chains	Domain Info	Class	Fold	Superfamily	Family	Domain	Species	Provenance Source (Version)
A	d3cqda_	Alpha and beta proteins (a/b)	Ribokinase-like	Ribokinase-like	automated matches	automated matches	(Escherichia coli ) [TaxId: 562 ],	SCOPe (2.08)
B	d3cqdb_	Alpha and beta proteins (a/b)	Ribokinase-like	Ribokinase-like	automated matches	automated matches	(Escherichia coli ) [TaxId: 562 ],	SCOPe (2.08)

Domain Annotation: SCOP2 Classification SCOP2 Database Homepage

Chains	Type	Family Name	Domain Identifier	Family Identifier	Provenance Source (Version)
A	SCOP2 Family	Ribokinase-like	8086921	4000759	SCOP2 (2022-06-29)
A	SCOP2 Superfamily	Ribokinase-like	8086922	3001268	SCOP2 (2022-06-29)
B	SCOP2B Superfamily	Ribokinase-like	8086922	3001268	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	PfkB	e3cqdA1	A: a/b three-layered sandwiches	X: Rossmann-like	H: Ribokinase-like (From Topology)	T: Ribokinase-like	F: PfkB	ECOD (1.6)
B	PfkB	e3cqdB1	A: a/b three-layered sandwiches	X: Rossmann-like	H: Ribokinase-like (From Topology)	T: Ribokinase-like	F: PfkB	ECOD (1.6)

Domain Annotation: CATH CATH Database Homepage

Chain	Domain	Class	Architecture	Topology	Homology	Provenance Source (Version)
A	3.40.1190.20	Alpha Beta	3-Layer(aba) Sandwich	UDP-N-acetylmuramoyl-L-alanine:D-glutamate ligase	Ribokinase	CATH (4.3.0)
B	3.40.1190.20	Alpha Beta	3-Layer(aba) Sandwich	UDP-N-acetylmuramoyl-L-alanine:D-glutamate ligase	Ribokinase	CATH (4.3.0)

Protein Family Annotation Pfam Database Homepage

Chains	Accession	Name	Description	Comments	Source
A, B	PF00294	pfkB family carbohydrate kinase (PfkB)	pfkB family carbohydrate kinase	This family includes a variety of carbohydrate and pyrimidine kinases.	Domain

Gene Ontology: Gene Product Annotation Gene Ontology Database Homepage

Chains	Polymer	Molecular Function	Biological Process	Cellular Component
A, B	6-phosphofructokinase isozyme 2	cation binding magnesium ion binding ion binding binding metal ion binding small molecule binding adenyl ribonucleotide binding nucleotide binding purine ribonucleotide binding purine ribonucleoside triphosphate binding nucleoside phosphate binding purine nucleotide binding organic cyclic compound binding anion binding cation binding magnesium ion binding ion binding binding metal ion binding small molecule binding adenyl ribonucleotide binding nucleotide binding purine ribonucleotide binding purine ribonucleoside triphosphate binding nucleoside phosphate binding purine nucleotide binding organic cyclic compound binding anion binding adenyl nucleotide binding ATP binding heterocyclic compound binding carbohydrate derivative binding ribonucleotide binding identical protein binding protein binding protein homodimerization activity protein dimerization activity carbohydrate kinase activity kinase activity phosphofructokinase activity 6-phosphofructokinase activity transferase activity catalytic activity phosphotransferase activity, alcohol group as acceptor transferase activity, transferring phosphorus-containing groups tagatose-6-phosphate kinase activity	cellular response to stimulus cellular response to stress response to stimulus DNA damage response response to stress cellular process ribonucleotide catabolic process pyridine nucleotide catabolic process oxoacid metabolic process carbohydrate catabolic process carbohydrate derivative metabolic process organophosphate catabolic process nucleoside phosphate catabolic process organic acid metabolic process cellular response to stimulus cellular response to stress response to stimulus DNA damage response response to stress cellular process ribonucleotide catabolic process pyridine nucleotide catabolic process oxoacid metabolic process carbohydrate catabolic process carbohydrate derivative metabolic process organophosphate catabolic process nucleoside phosphate catabolic process organic acid metabolic process nucleobase-containing compound metabolic process glycolytic process phosphate-containing compound metabolic process pyridine-containing compound metabolic process small molecule metabolic process purine ribonucleotide catabolic process phosphorus metabolic process pyridine nucleotide metabolic process nucleoside phosphate metabolic process organonitrogen compound catabolic process nicotinamide nucleotide metabolic process pyruvate metabolic process cellular metabolic process purine nucleoside diphosphate metabolic process primary metabolic process purine-containing compound catabolic process nucleotide metabolic process nucleobase-containing compound catabolic process organic cyclic compound metabolic process nucleoside diphosphate metabolic process purine nucleoside diphosphate catabolic process nucleoside diphosphate catabolic process metabolic process nucleoside triphosphate metabolic process monocarboxylic acid metabolic process purine ribonucleotide metabolic process pyridine-containing compound catabolic process ribose phosphate metabolic process catabolic process ATP metabolic process purine nucleotide metabolic process organic substance metabolic process ribonucleotide metabolic process nucleobase-containing small molecule metabolic process purine ribonucleoside triphosphate metabolic process ribonucleoside diphosphate metabolic process ribonucleoside diphosphate catabolic process nucleotide catabolic process ribonucleoside triphosphate metabolic process purine nucleoside triphosphate metabolic process purine nucleotide catabolic process carbohydrate metabolic process carbohydrate derivative catabolic process organonitrogen compound metabolic process ADP catabolic process carboxylic acid metabolic process generation of precursor metabolites and energy organic cyclic compound catabolic process purine-containing compound metabolic process ADP metabolic process organophosphate metabolic process purine ribonucleoside diphosphate metabolic process organic substance catabolic process purine ribonucleoside diphosphate catabolic process	intracellular anatomical structure cytoplasm cellular anatomical entity cytosol

InterPro: Protein Family Classification InterPro Database Homepage

Chains	Accession	Name	Type
A, B	IPR017583	Tagatose/fructose phosphokinase	Family
A, B	IPR011611	Carbohydrate kinase PfkB	Domain
A, B	IPR002173	Carbohydrate/purine kinase, PfkB, conserved site	Conserved Site
A, B	IPR029056	Ribokinase-like	Homologous Superfamily

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.