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MIRAGE
Complement C1q subcomponent subunit A

Summary
UniProt ID
Q5E9E3
Gene Symbol
  • C1QA
Gene ID
534961
Organism
Bos taurus (domestic cattle)
PubChem
Q5E9E3
Re-Glyco
Q5E9E3
Annotation
Keyword
  • Collagen
  • Complement pathway
  • Disulfide bond
  • Glycoprotein
  • Hydroxylation
  • Reference proteome
  • Repeat
  • Secreted
  • Signal
Gene Ontology (GO)
Displaying all 2 entries
GO Term
extracellular region
collagen trimer
Subcellular Location(GO Annotation)

Subcellular in which this glycoprotein is expressed are highlighted in blue.

Annotation information from UniProt.
Sequence
MEAPRGWLVISVLAISLASSVTEDVCRAPDGTHGSAGIPGRPGRPGLKGERGEPGAPAIQTGIRGLKGDQGDPGPPGNPGRMGYPGPSGPMGPAGLPGLKGTKGSPGNIKDQPRPAFSAVGPNSVSRDNVVVFGKVITNQENVYQNNTGRFRCSVPGYYYFTFQVVSNWDICLSIRSSRRDQIQPLGFCDFNSKGFFQVVSGGTVLHLQQGDQVWIEKDPSKGRIYHGSEADSIFSGFLIFPSA
  • N : N-glycosylation Site
  • ___ : Potential Sequon
Glycosylation Sites
Displaying all 4 entries
Position Description PubMed ID GlyTouCan ID Source
48 O-linked (Gal...) hydroxylysine
67 O-linked (Gal...) hydroxylysine
100 O-linked (Gal...) hydroxylysine
146 N-linked (GlcNAc...) asparagine
Feature
  • ProtVista GlyGen : Glycosylation Site from GlyGen
  • ProtVista UniProt : Glycosylation Site from UniProt
Pathway
Displaying all 3 entries
Pathway Name Organism
Classical antibody-mediated complement activation Bos taurus
Initial triggering of complement Bos taurus
Regulation of Complement cascade Bos taurus
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International Collaboration

GlyCosmos is a member of the GlySpace Alliance together with GlyGen and Glycomics@ExPASy.

Acknowledgements

Supported by JST NBDC Grant Number JPMJND2204

Partly supported by NIH Common Fund Grant #1U01GM125267-01

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Last updated: December 8, 2025