Q74JM8 · PFKA_LACJO
- ProteinATP-dependent 6-phosphofructokinase
- GenepfkA
- StatusUniProtKB reviewed (Swiss-Prot)
- Amino acids319 (go to sequence)
- Protein existenceInferred from homology
- Annotation score4/5
Function
function
Catalyzes the phosphorylation of D-fructose 6-phosphate to fructose 1,6-bisphosphate by ATP, the first committing step of glycolysis.
Catalytic activity
- beta-D-fructose 6-phosphate + ATP = beta-D-fructose 1,6-bisphosphate + ADP + H+
Cofactor
Activity regulation
Allosterically activated by ADP and other diphosphonucleosides, and allosterically inhibited by phosphoenolpyruvate.
Pathway
Carbohydrate degradation; glycolysis; D-glyceraldehyde 3-phosphate and glycerone phosphate from D-glucose: step 3/4.
Features
Showing features for binding site, active site.
Type | ID | Position(s) | Description | ||
---|---|---|---|---|---|
Binding site | 11 | ATP (UniProtKB | ChEBI) | |||
Binding site | 21-25 | ADP (UniProtKB | ChEBI); allosteric activator; ligand shared between dimeric partners | |||
Binding site | 72-73 | ATP (UniProtKB | ChEBI) | |||
Binding site | 102-105 | ATP (UniProtKB | ChEBI) | |||
Binding site | 103 | Mg2+ (UniProtKB | ChEBI); catalytic | |||
Binding site | 125-127 | substrate; ligand shared between dimeric partners; in other chain | |||
Active site | 127 | Proton acceptor | |||
Binding site | 154 | ADP (UniProtKB | ChEBI); allosteric activator; ligand shared between dimeric partners; in other chain | |||
Binding site | 162 | substrate; ligand shared between dimeric partners | |||
Binding site | 169-171 | substrate; ligand shared between dimeric partners; in other chain | |||
Binding site | 185-187 | ADP (UniProtKB | ChEBI); allosteric activator; ligand shared between dimeric partners; in other chain | |||
Binding site | 213-215 | ADP (UniProtKB | ChEBI); allosteric activator; ligand shared between dimeric partners; in other chain | |||
Binding site | 222 | substrate; ligand shared between dimeric partners; in other chain | |||
Binding site | 243 | substrate; ligand shared between dimeric partners | |||
Binding site | 249-252 | substrate; ligand shared between dimeric partners; in other chain | |||
GO annotations
Aspect | Term | |
---|---|---|
Cellular Component | 6-phosphofructokinase complex | |
Molecular Function | 6-phosphofructokinase activity | |
Molecular Function | AMP binding | |
Molecular Function | ATP binding | |
Molecular Function | fructose-6-phosphate binding | |
Molecular Function | identical protein binding | |
Molecular Function | metal ion binding | |
Molecular Function | monosaccharide binding | |
Biological Process | canonical glycolysis | |
Biological Process | fructose 1,6-bisphosphate metabolic process | |
Biological Process | fructose 6-phosphate metabolic process |
Keywords
- Molecular function
- Biological process
- Ligand
Enzyme and pathway databases
Names & Taxonomy
Protein names
- Recommended nameATP-dependent 6-phosphofructokinase
- EC number
- Short namesATP-PFK ; Phosphofructokinase
- Alternative names
Gene names
Organism names
- Strain
- Taxonomic lineageBacteria > Bacillota > Bacilli > Lactobacillales > Lactobacillaceae > Lactobacillus
Accessions
- Primary accessionQ74JM8
Proteomes
Subcellular Location
PTM/Processing
Features
Showing features for chain.
Type | ID | Position(s) | Description | ||
---|---|---|---|---|---|
Chain | PRO_1000059772 | 1-319 | ATP-dependent 6-phosphofructokinase | ||
Interaction
Subunit
Homotetramer.
Structure
Family & Domains
Sequence
- Sequence statusComplete
- Length319
- Mass (Da)34,348
- Last updated2004-07-05 v1
- ChecksumF5D5B9AAEBF535D2
Sequence databases
Nucleotide Sequence | Protein Sequence | Molecule Type | Status | |
---|---|---|---|---|
AE017198 EMBL· GenBank· DDBJ | AAS08901.1 EMBL· GenBank· DDBJ | Genomic DNA |