Serine peptidase inhibitor, Kunitz type 2

mammalian protein found in Homo sapiens
Protein protein Q21117803
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Summary

Serine peptidase inhibitor, Kunitz type 2 is a protein[1].

Key Facts

  • Serine peptidase inhibitor, Kunitz type 2's instance of is recorded as protein[2].
  • Serine peptidase inhibitor, Kunitz type 2's UniProt protein ID is recorded as O43291[3].
  • Serine peptidase inhibitor, Kunitz type 2's part of is recorded as Pancreatic trypsin inhibitor Kunitz domain superfamily[4].
  • Serine peptidase inhibitor, Kunitz type 2's part of is recorded as Pancreatic trypsin inhibitor Kunitz domain, protein family[5].
  • Serine peptidase inhibitor, Kunitz type 2's part of is recorded as Proteinase inhibitor I2, Kunitz, conserved site, protein family[6].
  • Serine peptidase inhibitor, Kunitz type 2's has part is recorded as Pancreatic trypsin inhibitor Kunitz domain[7].
  • Serine peptidase inhibitor, Kunitz type 2's has part is recorded as Proteinase inhibitor I2, Kunitz, conserved site[8].
  • Serine peptidase inhibitor, Kunitz type 2's RefSeq protein ID is recorded as NP_001159575[9].
  • Serine peptidase inhibitor, Kunitz type 2's RefSeq protein ID is recorded as NP_066925[10].
  • Serine peptidase inhibitor, Kunitz type 2's PDB structure ID is recorded as 4U32[11].
  • Serine peptidase inhibitor, Kunitz type 2's molecular function is recorded as peptidase inhibitor activity[12].
  • Serine peptidase inhibitor, Kunitz type 2's molecular function is recorded as endopeptidase inhibitor activity[13].
  • Serine peptidase inhibitor, Kunitz type 2's molecular function is recorded as serine-type endopeptidase inhibitor activity[14].
  • Serine peptidase inhibitor, Kunitz type 2's molecular function is recorded as protein binding[15].
  • Serine peptidase inhibitor, Kunitz type 2's cell component is recorded as cytoplasm[16].
  • Serine peptidase inhibitor, Kunitz type 2's cell component is recorded as integral component of membrane[17].
  • Serine peptidase inhibitor, Kunitz type 2's cell component is recorded as extracellular region[18].
  • Serine peptidase inhibitor, Kunitz type 2's cell component is recorded as membrane[19].
  • Serine peptidase inhibitor, Kunitz type 2's cell component is recorded as plasma membrane[20].
  • Serine peptidase inhibitor, Kunitz type 2's biological process is recorded as negative regulation of cell motility[21].
  • Serine peptidase inhibitor, Kunitz type 2's biological process is recorded as negative regulation of peptidase activity[22].
  • Serine peptidase inhibitor, Kunitz type 2's biological process is recorded as negative regulation of cell-cell adhesion[23].
  • Serine peptidase inhibitor, Kunitz type 2's biological process is recorded as establishment or maintenance of cell polarity[24].
  • Serine peptidase inhibitor, Kunitz type 2's biological process is recorded as negative regulation of neural precursor cell proliferation[25].
  • Serine peptidase inhibitor, Kunitz type 2's biological process is recorded as neural tube closure[26].

References

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

Direct Wikidata claims

  1. [2] ↑ . UniProt. Retrieved . wikidata.org.
  2. [3] ↑ . UniProt. Retrieved . wikidata.org.
  3. [4] ↑ . InterPro Release 71.0. ebi.ac.uk. Provenance: wikidata.org.
  4. [5] ↑ . wikidata.org.
  5. [6] ↑ . wikidata.org.
  6. [7] ↑ . InterPro Release 71.0. ebi.ac.uk. Provenance: wikidata.org.
  7. [8] ↑ . InterPro Release 71.0. ebi.ac.uk. Provenance: wikidata.org.
  8. [9] ↑ . Q20641742. Retrieved . wikidata.org.
  9. [10] ↑ . Q20641742. Retrieved . wikidata.org.
  10. [11] ↑ . UniProt. Retrieved . wikidata.org.
  11. [12] ↑ . GOA. Retrieved . ebi.ac.uk. Provenance: wikidata.org.
  12. [13] ↑ . Identification and cloning of human placental bikunin, a novel serine protease inhibitor containing two Kunitz domains. Retrieved . ebi.ac.uk. Provenance: wikidata.org.
  13. [14] ↑ . Cloning of a new Kunitz-type protease inhibitor with a putative transmembrane domain overexpressed in pancreatic cancer. Retrieved . ebi.ac.uk. Provenance: wikidata.org.
  14. [15] ↑ . The 41-amino-acid C-terminal region of the hepatitis E virus ORF3 protein interacts with bikunin, a kunitz-type serine protease inhibitor. Retrieved . ebi.ac.uk. Provenance: wikidata.org.
  15. [16] ↑ . Identification of hepatocyte growth factor activator inhibitor type 2 (HAI-2)-related small peptide (H2RSP): its nuclear localization and generation of chimeric mRNA transcribed from both HAI-2 and H2RSP genes. Retrieved . ebi.ac.uk. Provenance: wikidata.org.
  16. [17] ↑ . Cloning of a new Kunitz-type protease inhibitor with a putative transmembrane domain overexpressed in pancreatic cancer. Retrieved . ebi.ac.uk. Provenance: wikidata.org.
  17. [18] ↑ . Purification and Cloning of Hepatocyte Growth Factor Activator Inhibitor Type 2, a Kunitz-type Serine Protease Inhibitor. Retrieved . ebi.ac.uk. Provenance: wikidata.org.
  18. [19] ↑ . GOA. Retrieved . ebi.ac.uk. Provenance: wikidata.org.
  19. [20] ↑ . GOA. Retrieved . ebi.ac.uk. Provenance: wikidata.org.
  20. [21] ↑ . Regulation of cell surface protease matriptase by HAI2 is essential for placental development, neural tube closure and embryonic survival in mice. Retrieved . ebi.ac.uk. Provenance: wikidata.org.
  21. [22] ↑ . GOA. Retrieved . ebi.ac.uk. Provenance: wikidata.org.
  22. [23] ↑ . Regulation of cell surface protease matriptase by HAI2 is essential for placental development, neural tube closure and embryonic survival in mice. Retrieved . ebi.ac.uk. Provenance: wikidata.org.
  23. [24] ↑ . GOA. Retrieved . ebi.ac.uk. Provenance: wikidata.org.
  24. [25] ↑ . GOA. Retrieved . ebi.ac.uk. Provenance: wikidata.org.
  25. [26] ↑ . GOA. Retrieved . ebi.ac.uk. Provenance: wikidata.org.

Class ancestry

  1. [1] ↑ . Wikidata. wikidata.org.

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Use these citations when quoting this entity in research, articles, AI prompts, or wherever provenance matters. We aggregate Wikidata + Wikipedia + authoritative open-data sources; the stitched, scored, cross-referenced view is what 4ort.xyz contributes.

APA 4ort.xyz Knowledge Graph. (2026). Serine peptidase inhibitor, Kunitz type 2. Retrieved May 3, 2026, from https://4ort.xyz/entity/serine-peptidase-inhibitor-kunitz-type-2
MLA “Serine peptidase inhibitor, Kunitz type 2.” 4ort.xyz Knowledge Graph, 4ort.xyz, 3 May. 2026, https://4ort.xyz/entity/serine-peptidase-inhibitor-kunitz-type-2.
BibTeX @misc{4ortxyz_serine-peptidase-inhibitor-kunitz-type-2_2026, author = {{4ort.xyz Knowledge Graph}}, title = {{Serine peptidase inhibitor, Kunitz type 2}}, year = {2026}, url = {https://4ort.xyz/entity/serine-peptidase-inhibitor-kunitz-type-2}, note = {Accessed: 2026-05-03}}
LLM prompt According to 4ort.xyz Knowledge Graph (aggregator of Wikidata, Wikipedia, and authoritative open-data sources): Serine peptidase inhibitor, Kunitz type 2 — https://4ort.xyz/entity/serine-peptidase-inhibitor-kunitz-type-2 (retrieved 2026-05-03)

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