Chemicals and Drugs

Alternative Pathway Complement C5 Convertase

A serine protease that cleaves multiple COMPLEMENT C5 into COMPLEMENT C5A (anaphylatoxin) and COMPLEMENT C5B in the ALTERNATIVE COMPLEMENT ACTIVATION PATHWAY. It is the complex of ALTERNATIVE PATHWAY C3 CONVERTASE (C3bBb) with an additional COMPLEMENT C3B, or C3bBb3b.

National Library of MedicineMedical Subject Headings2026

Structured Summary

Abstract

A serine protease that cleaves multiple COMPLEMENT C5 into COMPLEMENT C5A (anaphylatoxin) and COMPLEMENT C5B in the ALTERNATIVE COMPLEMENT ACTIVATION PATHWAY. It is the complex of ALTERNATIVE PATHWAY C3 CONVERTASE (C3bBb) with an additional COMPLEMENT C3B, or C3bBb3b.

MeSH Record

Classification

Related Concepts

Knowledge Graph

Loading graph…

Drag nodes to rearrange; hover to trace links; click a node to open its page.

Drug Class

Pharmacological Action

MeSH Record

Synonyms

4 entry terms
  • Alternative Pathway C5 Convertase
  • C5 Convertase (C3bBb3b)
  • C5 Convertase, Alternative Pathway
  • Complement C5 Convertase, Alternative Pathway

MeSH Record

Aspects Covered

28 allowable subheadings

Indexed with the subheadings administration & dosage, adverse effects, analysis, antagonists & inhibitors, biosynthesis, cerebrospinal fluid, chemical synthesis, chemistry, classification, deficiency, drug effects, economics, genetics, history, immunology, isolation & purification, metabolism, pharmacokinetics, pharmacology, physiology, poisoning, radiation effects, standards, supply & distribution, therapeutic use, toxicity, ultrastructure, urine.

MeSH Record

History Note

2006

MeSH Record

Previous Indexing

  • Complement Activating Enzymes (1978-2005)
  • Complement C5 (1976-2005)

MeSH Hierarchy

Tree Number

AMA Style

References

  1. National Library of Medicine. Alternative Pathway Complement C5 Convertase. Medical Subject Headings (MeSH). 2026. Unique ID D051566. http://id.nlm.nih.gov/mesh/2026/D051566
  2. Alternative Pathway Complement C5 Convertase. In: Wikidata. https://www.wikidata.org/wiki/Q67999172