P21 (RAC1) activated kinase 2

mammalian protein found in Homo sapiens
Protein protein Q21130016
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Summary

P21 (RAC1) activated kinase 2 is a protein[1].

Key Facts

  • Physically interacts with: staurosporine[2]
  • Part of: CRIB domain superfamily[3], Serine/threonine-protein kinase PAK2/3[4], Protein kinase-like domain superfamily[5], p21-activated kinase 2, catalytic domain, protein family[6], p21 activated kinase binding domain, protein family[7], CRIB domain, protein family[8], Protein kinase domain, protein family[9], Protein kinase, ATP binding site, protein family[10], Serine/threonine-protein kinase, active site, protein family[11]
  • Has part(s): serine/threonine-protein kinase, active site[12], protein kinase domain[13], protein kinase, ATP binding site[14], CRIB domain[15], p21 activated kinase binding domain[16], p21-activated kinase 2, catalytic domain[17]
  • EC enzyme number: 2.7.11.1[18]
  • Molecular function: transferase activity[19], protein kinase activity[20], nucleotide binding[21], protein tyrosine kinase activator activity[22], kinase activity[23], protein serine/threonine kinase activity[24], protein binding[25], catalytic activity[26], identical protein binding[27], ATP binding[28], protein kinase binding[29], cadherin binding[30], small GTPase binding[31]
  • Cell component: membrane[32], plasma membrane[33], perinuclear region of cytoplasm[34], nucleus[35], cytoplasm[36], cytosol[37], postsynaptic density[38], glutamatergic synapse[39]
  • Biological process: negative regulation of protein kinase activity[40], phosphorylation[41], T cell costimulation[42], cellular response to organic cyclic compound[43], stimulatory C-type lectin receptor signaling pathway[44], mitigation of host defenses by virus[45], Fc-epsilon receptor signaling pathway[46], protein phosphorylation[47], dendritic spine development[48], negative regulation of cysteine-type endopeptidase activity involved in execution phase of apoptosis[49], vascular endothelial growth factor receptor signaling pathway[50], peptidyl-serine phosphorylation[51], positive regulation of peptidyl-tyrosine phosphorylation[52], positive regulation of extrinsic apoptotic signaling pathway[53]

References

Programmatic citations — every numbered marker resolves to a verifiable graph row below.

Direct Wikidata claims

  1. [2] ↑ . IUPHAR/BPS Guide to PHARMACOLOGY. Retrieved . wikidata.org.
  2. [3] ↑ . InterPro Release 71.0. ebi.ac.uk. Provenance: wikidata.org.
  3. [4] ↑ . InterPro Release 71.0. ebi.ac.uk. Provenance: wikidata.org.
  4. [5] ↑ . InterPro Release 71.0. ebi.ac.uk. Provenance: wikidata.org.
  5. [6] ↑ . wikidata.org.
  6. [7] ↑ . wikidata.org.
  7. [8] ↑ . wikidata.org.
  8. [9] ↑ . wikidata.org.
  9. [10] ↑ . wikidata.org.
  10. [11] ↑ . wikidata.org.
  11. [12] ↑ . InterPro Release 71.0. ebi.ac.uk. Provenance: wikidata.org.
  12. [13] ↑ . InterPro Release 71.0. ebi.ac.uk. Provenance: wikidata.org.
  13. [14] ↑ . InterPro Release 71.0. ebi.ac.uk. Provenance: wikidata.org.
  14. [15] ↑ . InterPro Release 71.0. ebi.ac.uk. Provenance: wikidata.org.
  15. [16] ↑ . InterPro Release 71.0. ebi.ac.uk. Provenance: wikidata.org.
  16. [17] ↑ . InterPro Release 71.0. ebi.ac.uk. Provenance: wikidata.org.
  17. [18] ↑ . UniProt. Retrieved . wikidata.org.
  18. [19] ↑ . GOA. Retrieved . ebi.ac.uk. Provenance: wikidata.org.
  19. [20] ↑ . Phosphorylation of myosin light chain kinase by p21-activated kinase PAK2. Retrieved . ebi.ac.uk. Provenance: wikidata.org.
  20. [21] ↑ . GOA. Retrieved . ebi.ac.uk. Provenance: wikidata.org.
  21. [22] ↑ . Functional interaction between c-Abl and the p21-activated protein kinase gamma-PAK. Retrieved . ebi.ac.uk. Provenance: wikidata.org.
  22. [23] ↑ . GOA. Retrieved . ebi.ac.uk. Provenance: wikidata.org.
  23. [24] ↑ . GOA. Retrieved . ebi.ac.uk. Provenance: wikidata.org.
  24. [25] ↑ . Identification of the Nef-associated kinase as p21-activated kinase 2. Retrieved . ebi.ac.uk. Provenance: wikidata.org.
  25. [26] ↑ . GOA. Retrieved . ebi.ac.uk. Provenance: wikidata.org.
  26. [27] ↑ . A dimeric kinase assembly underlying autophosphorylation in the p21 activated kinases. Retrieved . ebi.ac.uk. Provenance: wikidata.org.
  27. [28] ↑ . GOA. Retrieved . ebi.ac.uk. Provenance: wikidata.org.
  28. [29] ↑ . Functional interaction between c-Abl and the p21-activated protein kinase gamma-PAK. Retrieved . ebi.ac.uk. Provenance: wikidata.org.
  29. [30] ↑ . E-cadherin interactome complexity and robustness resolved by quantitative proteomics. Retrieved . ebi.ac.uk. Provenance: wikidata.org.
  30. [31] ↑ . Wiskott-Aldrich syndrome protein, a novel effector for the GTPase CDC42Hs, is implicated in actin polymerization. Retrieved . ebi.ac.uk. Provenance: wikidata.org.
  31. [32] ↑ . GOA. Retrieved . ebi.ac.uk. Provenance: wikidata.org.
  32. [33] ↑ . GOA. Retrieved . ebi.ac.uk. Provenance: wikidata.org.
  33. [34] ↑ . GOA. Retrieved . ebi.ac.uk. Provenance: wikidata.org.
  34. [35] ↑ . GOA. Retrieved . ebi.ac.uk. Provenance: wikidata.org.
  35. [36] ↑ . GOA. Retrieved . ebi.ac.uk. Provenance: wikidata.org.
  36. [37] ↑ . GOA. Retrieved . ebi.ac.uk. Provenance: wikidata.org.
  37. [38] ↑ . GOA. Retrieved . ebi.ac.uk. Provenance: wikidata.org.
  38. [39] ↑ . GOA. Retrieved . ebi.ac.uk. Provenance: wikidata.org.
  39. [40] ↑ . Phosphorylation of myosin light chain kinase by p21-activated kinase PAK2. Retrieved . ebi.ac.uk. Provenance: wikidata.org.
  40. [41] ↑ . GOA. Retrieved . ebi.ac.uk. Provenance: wikidata.org.
  41. [42] ↑ . GOA. Retrieved . ebi.ac.uk. Provenance: wikidata.org.
  42. [43] ↑ . GOA. Retrieved . ebi.ac.uk. Provenance: wikidata.org.
  43. [44] ↑ . GOA. Retrieved . ebi.ac.uk. Provenance: wikidata.org.
  44. [45] ↑ . GOA. Retrieved . ebi.ac.uk. Provenance: wikidata.org.
  45. [46] ↑ . GOA. Retrieved . ebi.ac.uk. Provenance: wikidata.org.
  46. [47] ↑ . A novel serine kinase activated by rac1/CDC42Hs-dependent autophosphorylation is related to PAK65 and STE20. Retrieved . ebi.ac.uk. Provenance: wikidata.org.
  47. [48] ↑ . GOA. Retrieved . ebi.ac.uk. Provenance: wikidata.org.
  48. [49] ↑ . Phosphorylation of caspase-7 by p21-activated protein kinase (PAK) 2 inhibits chemotherapeutic drug-induced apoptosis of breast cancer cell lines. Retrieved . ebi.ac.uk. Provenance: wikidata.org.
  49. [50] ↑ . GOA. Retrieved . ebi.ac.uk. Provenance: wikidata.org.
  50. [51] ↑ . Functional interaction between c-Abl and the p21-activated protein kinase gamma-PAK. Retrieved . ebi.ac.uk. Provenance: wikidata.org.
  51. [52] ↑ . Functional interaction between c-Abl and the p21-activated protein kinase gamma-PAK. Retrieved . ebi.ac.uk. Provenance: wikidata.org.
  52. [53] ↑ . Huntingtin promotes cell survival by preventing Pak2 cleavage. Retrieved . ebi.ac.uk. Provenance: wikidata.org.

Class ancestry

  1. [1] ↑ . Wikidata. wikidata.org.

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APA 4ort.xyz Knowledge Graph. (2026). P21 (RAC1) activated kinase 2. Retrieved October 28, 2026, from https://4ort.xyz/entity/p21-rac1-activated-kinase-2
MLA “P21 (RAC1) activated kinase 2.” 4ort.xyz Knowledge Graph, 4ort.xyz, 28 Oct. 2026, https://4ort.xyz/entity/p21-rac1-activated-kinase-2.
BibTeX @misc{4ortxyz_p21-rac1-activated-kinase-2_2026, author = {{4ort.xyz Knowledge Graph}}, title = {{P21 (RAC1) activated kinase 2}}, year = {2026}, url = {https://4ort.xyz/entity/p21-rac1-activated-kinase-2}, note = {Accessed: 2026-10-28}}
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Edit History

Rolling log of changes to this entity's Wikidata record. Values shown reflect the current state of each edited property — follow the history link to see the precise diff for any edit.

  1. 14w ago · Boghog · 2026-07-24 view diff on Wikidata ↗
    Found in taxon → Homo sapiens
    Physically interacts with → staurosporine
    Instance of → —
    Encoded by → PAK2
    + 10 other properties edited (see Wikidata diff for full list)
    "/* wbcreateclaim-create:1| */ Ec enzyme number: 2.7.11.1, [[:toollabs:quickstatements/#/batch/261491|batch #261491]]"
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