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Guidelines

MIRAGE

Complement C2

Summary

UniProt ID: Q53HP3
Gene Symbol: C2 hCG_43694
Gene ID: 717
Organism: Homo sapiens (human)

External Links

GlycoProtDB: GPDB0012048
Re-Glyco: Q53HP3

Annotation

Keyword: Complement pathway Disulfide bond Glycoprotein Metal-binding Repeat Secreted Serine protease Signal Sushi

Gene Ontology (GO)

Displaying **all 3** entries
GO Term	Evidence Code	Reference
proteolysis	IEA	GO_REF
complement activation, classical pathway
innate immune response	IEA	GO_REF

GO Hierarchy

biological process

immune system process [inference]

immune effector process [inference]

complement activation [inference]

complement activation, classical pathway

activation of immune response [inference]

complement activation [inference]

complement activation, classical pathway

immune response [inference]

humoral immune response [inference]

complement activation [inference]

complement activation, classical pathway

innate immune response

cellular process [inference]

metabolic process [inference]

macromolecule metabolic process [inference]

protein metabolic process [inference]

proteolysis

primary metabolic process [inference]

protein metabolic process [inference]

proteolysis

biological process involved in interspecies interaction between organisms [inference]

response to other organism [inference]

defense response to other organism [inference]

defense response to symbiont [inference]

innate immune response

response to stimulus [inference]

response to stress [inference]

defense response [inference]

defense response to other organism [inference]

defense response to symbiont [inference]

innate immune response

immune response [inference]

humoral immune response [inference]

complement activation [inference]

complement activation, classical pathway

innate immune response

response to external stimulus [inference]

response to external biotic stimulus [inference]

response to other organism [inference]

defense response to other organism [inference]

defense response to symbiont [inference]

innate immune response

response to biotic stimulus [inference]

response to external biotic stimulus [inference]

response to other organism [inference]

defense response to other organism [inference]

defense response to symbiont [inference]

innate immune response

biological regulation [inference]

regulation of biological process [inference]

regulation of immune system process [inference]

positive regulation of immune system process [inference]

positive regulation of immune response [inference]

activation of immune response [inference]

complement activation [inference]

complement activation, classical pathway

regulation of immune response [inference]

positive regulation of immune response [inference]

activation of immune response [inference]

complement activation [inference]

complement activation, classical pathway

positive regulation of biological process [inference]

positive regulation of immune system process [inference]

positive regulation of immune response [inference]

activation of immune response [inference]

complement activation [inference]

complement activation, classical pathway

positive regulation of response to stimulus [inference]

positive regulation of immune response [inference]

activation of immune response [inference]

complement activation [inference]

complement activation, classical pathway

regulation of response to stimulus [inference]

positive regulation of response to stimulus [inference]

positive regulation of immune response [inference]

activation of immune response [inference]

complement activation [inference]

complement activation, classical pathway

regulation of immune response [inference]

positive regulation of immune response [inference]

activation of immune response [inference]

complement activation [inference]

complement activation, classical pathway

Displaying **all 2** entries
GO Term	Evidence Code	Reference
extracellular region	IEA	GO_REF GO_REF
cell surface	IEA	GO_REF

GO Hierarchy

cellular component

cellular anatomical structure [inference]

Displaying **all 2** entries
GO Term	Evidence Code	Reference
serine-type endopeptidase activity	IEA	GO_REF GO_REF GO_REF
metal ion binding

GO Hierarchy

molecular function

catalytic activity [inference]

hydrolase activity [inference]

peptidase activity [inference]

endopeptidase activity [inference]

serine-type endopeptidase activity

serine-type peptidase activity [inference]

serine-type endopeptidase activity

serine hydrolase activity [inference]

serine-type peptidase activity [inference]

serine-type endopeptidase activity

catalytic activity, acting on a protein [inference]

peptidase activity [inference]

endopeptidase activity [inference]

serine-type endopeptidase activity

serine-type peptidase activity [inference]

serine-type endopeptidase activity

binding [inference]

small molecule binding [inference]

ion binding [inference]

cation binding [inference]

metal ion binding

Gene Ontology information from UniProt.

Annotation information from UniProt.

Sequence

MGPLMVLFCLLFLYPGLADSAPSCPQNVNISGGTFTLSHGWAPGSLLTYSCPQGLYPSPASRLCKSSGQWQTPGATRSLSKAVCKPVRCPAPVSFENGIYTPRLGSYPVGGNVSFECEDGFILRGSPVRQCRPNGMWDGETAVCDNGAGHCPNPGISLGAVRTGFRFGHGDKVRYRCSSNLVLTGSSERECQGNGVWSGTEPICRQPYSYDFPEDVAPALGTSFSHMLGATNLTQKTKESLGRKIQIQRSGHLNLYLLLDCSQSVSENDFLIFKESASLMVDRIFSFEINVSVAIITFASEPKVLMSVLNDNSRDMTEVISSLENANYKDHENGTGTNTYAALNSVYLMMNNQMRLLGMETMAWQEIRHAIILLTDGKSNMGGSPKTAVDHIREILNINQKRNDYLDIYAIGVGKLDVDWRELNELGSKKDGERHAFILQDTKALHQVFEHMLDVSKLTDTICGVGNMSANASDQERTPWHVTIKPKSQETCRGALISDQWVLTAAHCFRDGNDHSLWRVNVGDPKSQWGKEFLIEKAVISPGFDVFAKKNQGILEFYGDDIALLKLAQKVKMSTHARPICLPCTMEANLALRRPQGSTCRDHENELLNKQSVPAHFVALNGSKLNINLKMGVEWTSCAEVVSQEKTMFPNLTDVREVVTDQFLCSGTQEDESPCKGESGGAVFLERRFRFFQVGLVSWGLYNPCLGSADKNSRKRAPRSKVPPPRDFHINLFRMQPWLRQHLGDVLNFLPL

N : N-glycosylation Site
___ : Potential Sequon

Glycosylation Sites

Displaying **all 6** entries
Position	Description	PubMed ID	GlyTouCan ID	Source
112				GlycoProtDB
333				GlycoProtDB
467				GlycoProtDB
471				GlycoProtDB
621				GlycoProtDB
651				GlycoProtDB

Feature

: Glycosylation Site from GlyGen
: Glycosylation Site from UniProt

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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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GlyCosmos Portal v4.5.0

Last updated: April 6, 2026