Q9YEU2 (KPYK_AERPE) Reviewed, UniProtKB/Swiss-Prot
Last modified
May 1, 2013.
Version 70.
History...
Names·Attributes·General annotation·Ontologies·Sequence annotation·Sequences·References·Cross-refs·Entry info·DocumentsCustomize order
Names·Attributes·General annotation·Ontologies·Sequence annotation·Sequences·References·Cross-refs·Entry info·DocumentsCustomize orderNames and origin
| Protein names | Recommended name: Pyruvate kinase Short name=PK EC=2.7.1.40 | ||||
| Gene names |
| ||||
| Organism | Aeropyrum pernix (strain ATCC 700893 / DSM 11879 / JCM 9820 / NBRC 100138 / K1) [Complete proteome] [HAMAP] | ||||
| Taxonomic identifier | 272557 [NCBI] | ||||
| Taxonomic lineage | Archaea › Crenarchaeota › Thermoprotei › Desulfurococcales › Desulfurococcaceae › Aeropyrum › ![]() |
Protein attributes
| Sequence length | 458 AA. |
| Sequence status | Complete. |
| Protein existence | Evidence at protein level |
General annotation (Comments)
| Catalytic activity | ATP + pyruvate = ADP + phosphoenolpyruvate. |
| Cofactor | Divalent metal cations. Ref.2 |
| Enzyme regulation | Not activated by classical allosteric effectors. |
| Pathway | Carbohydrate degradation; glycolysis; pyruvate from D-glyceraldehyde 3-phosphate: step 5/5. |
| Subunit structure | Homotetramer. Ref.2 |
| Sequence similarities | Belongs to the pyruvate kinase family. |
| Biophysicochemical properties | Kinetic parameters: Vmax=53 µmol/min/mg enzyme (at 65 degrees Celsius) Ref.2 pH dependence: Optimum pH is 6.1. Temperature dependence: Optimum temperature is higher than 95 degrees Celsius. Still active after 120 minutes at 100 degrees Celsius. |
Ontologies
| Keywords | |
|---|---|
| Biological process | Glycolysis |
| Ligand | ATP-binding Magnesium Metal-binding Nucleotide-binding Potassium Pyruvate |
| Molecular function | Kinase Transferase |
| Technical term | Complete proteome |
| Gene Ontology (GO) | |
| Biological_process | glycolysis Inferred from electronic annotation. Source: UniProtKB-UniPathway |
| Molecular_function | ATP binding Inferred from electronic annotation. Source: UniProtKB-KW magnesium ion bindingInferred from electronic annotation. Source: InterPro potassium ion bindingInferred from electronic annotation. Source: InterPro pyruvate kinase activityInferred from electronic annotation. Source: EC |
| Complete GO annotation... | |
Sequence annotation (Features)
| Feature key | Position(s) | Length | Description | Graphical view | Feature identifier | ||||
Molecule processing | |||||||||
|---|---|---|---|---|---|---|---|---|---|
| Chain | 1 – 458 | 458 | Pyruvate kinase | PRO_0000295180 | |||||
Sites | |||||||||
| Metal binding | 35 | 1 | Potassium By similarity | ||||||
| Metal binding | 37 | 1 | Potassium By similarity | ||||||
| Metal binding | 67 | 1 | Potassium By similarity | ||||||
| Metal binding | 214 | 1 | Magnesium By similarity | ||||||
| Metal binding | 238 | 1 | Magnesium By similarity | ||||||
| Binding site | 33 | 1 | Substrate By similarity | ||||||
| Binding site | 237 | 1 | Substrate; via amide nitrogen By similarity | ||||||
| Binding site | 238 | 1 | Substrate; via amide nitrogen By similarity | ||||||
| Binding site | 270 | 1 | Substrate By similarity | ||||||
| Site | 212 | 1 | Transition state stabilizer By similarity | ||||||
Sequences
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References
| « Hide 'large scale' references | |
| [1] | "Complete genome sequence of an aerobic hyper-thermophilic crenarchaeon, Aeropyrum pernix K1." Kawarabayasi Y., Hino Y., Horikawa H., Yamazaki S., Haikawa Y., Jin-no K., Takahashi M., Sekine M., Baba S., Ankai A., Kosugi H., Hosoyama A., Fukui S., Nagai Y., Nishijima K., Nakazawa H., Takamiya M., Masuda S. Kikuchi H.DNA Res. 6:83-101(1999) [PubMed] [Europe PMC] [Abstract] Cited for: NUCLEOTIDE SEQUENCE [LARGE SCALE GENOMIC DNA]. Strain: ATCC 700893 / DSM 11879 / JCM 9820 / NBRC 100138 / K1. |
| [2] | "Comparative analysis of pyruvate kinases from the hyperthermophilic archaea Archaeoglobus fulgidus, Aeropyrum pernix, and Pyrobaculum aerophilum and the hyperthermophilic bacterium Thermotoga maritima: unusual regulatory properties in hyperthermophilic archaea." Johnsen U., Hansen T., Schoenheit P. J. Biol. Chem. 278:25417-25427(2003) [PubMed] [Europe PMC] [Abstract] Cited for: BIOPHYSICOCHEMICAL PROPERTIES, COFACTOR, SUBUNIT, REGULATION. Strain: ATCC 700893 / DSM 11879 / JCM 9820 / NBRC 100138 / K1. |
Cross-references
Sequence databases | |
|---|---|
| EMBL GenBank DDBJ | BA000002 Genomic DNA. Translation: BAA79454.1. |
| PIR | B72745. |
| RefSeq | NP_147274.1. NC_000854.2. |
3D structure databases | |
| HSSP | HSSP built from PDB template 2G50 based on UniProtKB P11974. |
| ProteinModelPortal | Q9YEU2. |
| ModBase | Search... |
Protein-protein interaction databases | |
| STRING | 272557.APE_0489. |
Protocols and materials databases | |
| StructuralBiologyKnowledgebase | Search... |
Genome annotation databases | |
| EnsemblBacteria | BAA79454; BAA79454; APE_0489. |
| GeneID | 1444673. |
| KEGG | ape:APE_0489. |
Organism-specific databases | |
| CMR | Search... |
Phylogenomic databases | |
| eggNOG | COG0469. |
| HOGENOM | HOG000021558. |
| KO | K00873. |
| OMA | MHYSLEE. |
| ProtClustDB | CLSK2747737. |
Enzyme and pathway databases | |
| BioCyc | APER272557:GJD6-377-MONOMER. |
| UniPathway | UPA00109; UER00188. |
Family and domain databases | |
| Gene3D | 2.40.33.10. 1 hit. 3.20.20.60. 2 hits. 3.40.1380.20. 1 hit. |
| InterPro | IPR001697. Pyr_Knase. IPR015813. Pyrv/PenolPyrv_Kinase. IPR011037. Pyrv_Knase-like_insert_dom. IPR015794. Pyrv_Knase_a/b. IPR015793. Pyrv_Knase_brl. IPR015795. Pyrv_Knase_C. IPR015806. Pyrv_Knase_insert_dom. [Graphical view] |
| PANTHER | PTHR11817. PTHR11817. 1 hit. |
| Pfam | PF00224. PK. 1 hit. PF02887. PK_C. 1 hit. [Graphical view] |
| PRINTS | PR01050. PYRUVTKNASE. |
| SUPFAM | SSF50800. PK_B_barrel_like. 1 hit. SSF52935. Pyruvate_kinase. 1 hit. SSF51621. Pyrv/PenolPyrv_Kinase_cat. 1 hit. |
| TIGRFAMs | TIGR01064. pyruv_kin. 1 hit. |
| PROSITE | PS00110. PYRUVATE_KINASE. False negative. [Graphical view] |
| ProtoNet | Search... |
Entry information
| Entry name | KPYK_AERPE | ||||||||
| Accession | Primary (citable) accession number: Q9YEU2 | ||||||||
| Entry history |
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| Entry status | Reviewed (UniProtKB/Swiss-Prot) | ||||||||
| Annotation program | Prokaryotic Protein Annotation Program | ||||||||
Relevant documents
| PATHWAY comments Index of metabolic and biosynthesis pathways |
| SIMILARITY comments Index of protein domains and families |

Clusters with
