P18294 (KCRF_STRPU) Reviewed, UniProtKB/Swiss-Prot
Last modified
April 3, 2013.
Version 82.
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: Creatine kinase, flagellar EC=2.7.3.2 |
| Organism | Strongylocentrotus purpuratus (Purple sea urchin) [Reference proteome] |
| Taxonomic identifier | 7668 [NCBI] |
| Taxonomic lineage | Eukaryota › Metazoa › Echinodermata › Eleutherozoa › Echinozoa › Echinoidea › Euechinoidea › Echinacea › Echinoida › Strongylocentrotidae › Strongylocentrotus![]() |
Protein attributes
| Sequence length | 1174 AA. |
| Sequence status | Complete. |
| Protein existence | Evidence at protein level |
General annotation (Comments)
| Function | This axonemal protein participates in an energy shuttle that utilizes phosphocreatine to transfer the energy from ATP generated by the mitochondrion in the sperm head to dynein in the distal portions of the flagellum. |
| Catalytic activity | ATP + creatine = ADP + phosphocreatine. |
| Subunit structure | Monomer. |
| Subcellular location | Cytoplasm › cytoskeleton › flagellum axoneme. Note: Associates specifically with the axoneme and may bind directly to polymerized microtubules. |
| Domain | Contains three complete but non-identical creatine kinase segments flanked by unique regions. |
| Sequence similarities | Belongs to the ATP:guanido phosphotransferase family. Contains 3 phosphagen kinase C-terminal domains. Contains 3 phosphagen kinase N-terminal domains. |
Ontologies
| Keywords | |
|---|---|
| Biological process | Cilium biogenesis/degradation |
| Cellular component | Cell projection Cilium Cytoplasm Cytoskeleton Flagellum |
| Domain | Repeat |
| Ligand | ATP-binding Nucleotide-binding |
| Molecular function | Kinase Transferase |
| Technical term | Complete proteome Direct protein sequencing Reference proteome |
| Gene Ontology (GO) | |
| Biological_process | cell projection organization Inferred from electronic annotation. Source: UniProtKB-KW |
| Cellular_component | cilium Inferred from electronic annotation. Source: UniProtKB-KW cytoplasmInferred from electronic annotation. Source: UniProtKB-KW cytoskeletonInferred from electronic annotation. Source: UniProtKB-KW |
| Molecular_function | ATP binding Inferred from electronic annotation. Source: UniProtKB-KW creatine 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 – 1174 | 1174 | Creatine kinase, flagellar | PRO_0000212010 | |||||
Regions | |||||||||
| Domain | 53 – 139 | 87 | Phosphagen kinase N-terminal 1 | ||||||
| Repeat | 61 – 414 | 354 | 1; approximate | ||||||
| Domain | 166 – 408 | 243 | Phosphagen kinase C-terminal 1 | ||||||
| Domain | 426 – 512 | 87 | Phosphagen kinase N-terminal 2 | ||||||
| Repeat | 434 – 787 | 354 | 2; approximate | ||||||
| Domain | 539 – 781 | 243 | Phosphagen kinase C-terminal 2 | ||||||
| Domain | 800 – 886 | 87 | Phosphagen kinase N-terminal 3 | ||||||
| Repeat | 808 – 1161 | 354 | 3; approximate | ||||||
| Domain | 913 – 1155 | 243 | Phosphagen kinase C-terminal 3 | ||||||
| Nucleotide binding | 169 – 173 | 5 | ATP By similarity | ||||||
| Nucleotide binding | 333 – 337 | 5 | ATP By similarity | ||||||
| Nucleotide binding | 542 – 546 | 5 | ATP By similarity | ||||||
| Nucleotide binding | 734 – 739 | 6 | ATP By similarity | ||||||
Sites | |||||||||
| Binding site | 232 | 1 | ATP By similarity | ||||||
| Binding site | 277 | 1 | ATP By similarity | ||||||
| Binding site | 605 | 1 | ATP By similarity | ||||||
| Binding site | 706 | 1 | ATP By similarity | ||||||
| Binding site | 749 | 1 | ATP By similarity | ||||||
Sequences
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References
| [1] | "The phosphocreatine shuttle of sea urchin sperm: flagellar creatine kinase resulted from a gene triplication." Wothe D.D., Charbonneau H., Shapiro B.M. Proc. Natl. Acad. Sci. U.S.A. 87:5203-5207(1990) [PubMed] [Europe PMC] [Abstract] Cited for: NUCLEOTIDE SEQUENCE [MRNA], PARTIAL PROTEIN SEQUENCE. Tissue: Testis. |
Cross-references
Sequence databases | |
|---|---|
| EMBL GenBank DDBJ | M33763 mRNA. Translation: AAA30049.1. |
| PIR | A43736. |
| RefSeq | NP_999687.1. NM_214522.1. |
| UniGene | Spu.13. |
3D structure databases | |
| ProteinModelPortal | P18294. |
| SMR | P18294. Positions 61-419, 431-794, 807-1168. |
| ModBase | Search... |
Protein-protein interaction databases | |
| STRING | 7668.P18294. |
Proteomic databases | |
| PRIDE | P18294. |
Protocols and materials databases | |
| StructuralBiologyKnowledgebase | Search... |
Genome annotation databases | |
| GeneID | 373287. |
| KEGG | spu:373287. |
Organism-specific databases | |
| CTD | 373287. |
Phylogenomic databases | |
| eggNOG | COG3869. |
| InParanoid | P18294. |
| KO | K00933. |
Family and domain databases | |
| Gene3D | 1.10.135.10. 3 hits. 3.30.590.10. 3 hits. |
| InterPro | IPR000749. ATP-guanido_PTrfase. IPR022415. ATP-guanido_PTrfase_AS. IPR022414. ATP-guanido_PTrfase_cat. IPR022413. ATP-guanido_PTrfase_N. IPR014746. Gln_synth/guanido_kin_cat_dom. [Graphical view] |
| PANTHER | PTHR11547. PTHR11547. 1 hit. |
| Pfam | PF00217. ATP-gua_Ptrans. 3 hits. PF02807. ATP-gua_PtransN. 3 hits. [Graphical view] |
| SUPFAM | SSF48034. ATP-gua_Ptrans. 3 hits. |
| PROSITE | PS00112. PHOSPHAGEN_KINASE. 3 hits. PS51510. PHOSPHAGEN_KINASE_C. 3 hits. PS51509. PHOSPHAGEN_KINASE_N. 3 hits. [Graphical view] |
| ProtoNet | Search... |
Entry information
| Entry name | KCRF_STRPU | ||||||||
| Accession | Primary (citable) accession number: P18294 | ||||||||
| Entry history |
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| Entry status | Reviewed (UniProtKB/Swiss-Prot) | ||||||||
Relevant documents
| SIMILARITY comments Index of protein domains and families |

Clusters with
