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CD46 molecule

mammalian protein found in Rattus norvegicus
Protein Protein Q28556263

Facts

8 properties
Instance of
protein
Part of
membrane cofactor protein CD46, Sushi/SCR/CCP superfamily, membrane protein, Sushi/SCR/CCP domain, protein family[2][3][4][5]
Biological process
proteolysis, single fertilization, negative regulation of catalytic activity, negative regulation of complement activation
Cell component
acrosomal vesicle, inner acrosomal membrane, cytoplasm, Golgi apparatus, cell surface, membrane, integral component of membrane, basolateral plasma membrane, cytoplasmic vesicle[10][11][12][13][14]
Encoded by
Cd46
Found in taxon
brown rat
Has part(s)
sushi/SCR/CCP domain[6]
Molecular function
complement binding, endopeptidase activity, enzyme inhibitor activity[7][8][9]
🏷️ Also known as
en Cd46 en CD46 antigen, complement regulatory protein en CD46 molecule en CD46 molecule, complement regulatory protein en membrane cofactor protein

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Summary

CD46 molecule is a protein[1].

References

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

Direct Wikidata claims

  1. [2] ↑ . InterPro Release 71.0. ebi.ac.uk. Provenance: wikidata.org.
  2. [3] ↑ . InterPro Release 71.0. ebi.ac.uk. Provenance: wikidata.org.
  3. [4] ↑ . wikidata.org.
  4. [5] ↑ . wikidata.org.
  5. [6] ↑ . InterPro Release 71.0. ebi.ac.uk. Provenance: wikidata.org.
  6. [7] ↑ . Rat membrane cofactor protein (MCP; CD46) is expressed only in the acrosome of developing and mature spermatozoa and mediates binding to immobilized activated C3. Retrieved . ebi.ac.uk. Provenance: wikidata.org.
  7. [8] ↑ . Rat membrane cofactor protein (MCP; CD46) is expressed only in the acrosome of developing and mature spermatozoa and mediates binding to immobilized activated C3. Retrieved . ebi.ac.uk. Provenance: wikidata.org.
  8. [9] ↑ . Rat membrane cofactor protein (MCP; CD46) is expressed only in the acrosome of developing and mature spermatozoa and mediates binding to immobilized activated C3. Retrieved . ebi.ac.uk. Provenance: wikidata.org.
  9. [10] ↑ . Expression of CD46 in developing rat spermatozoa: ultrastructural localization and utility as a marker of the various stages of the seminiferous tubuli. Retrieved . ebi.ac.uk. Provenance: wikidata.org.
  10. [11] ↑ . GOA. Retrieved . ebi.ac.uk. Provenance: wikidata.org.
  11. [12] ↑ . Effect of IL-4 on altered expression of complement activation regulators in rat pancreatic cells during severe acute pancreatitis. Retrieved . ebi.ac.uk. Provenance: wikidata.org.
  12. [13] ↑ . Expression of CD46 in developing rat spermatozoa: ultrastructural localization and utility as a marker of the various stages of the seminiferous tubuli. Retrieved . ebi.ac.uk. Provenance: wikidata.org.
  13. [14] ↑ . Expression of decay-accelerating factor (CD55), membrane cofactor protein (CD46) and CD59 in the human astroglioma cell line, D54-MG, and primary rat astrocytes. Retrieved . ebi.ac.uk. Provenance: wikidata.org.

Class ancestry

  1. [1] ↑ . Wikidata. wikidata.org.

📑 Cite this page

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). CD46 molecule. Retrieved May 3, 2026, from https://4ort.xyz/entity/cd46-molecule-q28556263
MLA “CD46 molecule.” 4ort.xyz Knowledge Graph, 4ort.xyz, 3 May. 2026, https://4ort.xyz/entity/cd46-molecule-q28556263.
BibTeX @misc{4ortxyz_cd46-molecule-q28556263_2026, author = {{4ort.xyz Knowledge Graph}}, title = {{CD46 molecule}}, year = {2026}, url = {https://4ort.xyz/entity/cd46-molecule-q28556263}, note = {Accessed: 2026-05-03}}
LLM prompt According to 4ort.xyz Knowledge Graph (aggregator of Wikidata, Wikipedia, and authoritative open-data sources): CD46 molecule — https://4ort.xyz/entity/cd46-molecule-q28556263 (retrieved 2026-05-03)

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