ONKI3 | Medical Subject Headings

The ONKI is provided as a part of the ONKI Living Lab - an open lab for testing the latest semantic web technologies in practice, with real users like you. Currently, over 10 000 people are using ONKI each month.

We hope you like the ONKI service and enjoy using it for your purposes!

If you encounter any problems or have improvement ideas, please contact the ONKI team. We are also very much interested in your success stories in using ONKI - please share your experiences!

The ONKI Team

Jouni Tuominen, Living Lab contact person, APIs, widgets, publishing of ontologies, etc.
Eero Hyvönen, professor, head of research group

Former members: Kim Viljanen, Rami Alatalo.

Building the future of the Semantic Web and beyond.

SeCo's homepage
For the latest semantic news, follow us on Twitter and fan us on Facebook!

How can we help you?

Live presentations about ONKI: what it is? how to use it?
Support for creating and publishing ontologies.
Online technical support for using ONKI.
Co-operation in projects.
And more, please ask.


Hierarchy:	Medical Subject Headings (MeSH) ∟ Amino Acids, Peptides, and Proteins ∟ Proteins ∟ Blood Proteins ∟ Immunoproteins ∟ Complement System Proteins ∟ Complement C4 15 coordinate concepts 2 subordinate concepts ∟ Complement C4a \| ∟ Complement C4b ∟ Anaphylatoxins \| ∟ Complement Activating Enzymes \| ∟ Complement C1 \| ∟ Complement C2 \| ∟ Complement C3 \| ∟ Complement C5 \| ∟ Complement C6 \| ∟ Complement C7 \| ∟ Complement C8 \| ∟ Complement C9 \| ∟ Complement Factor B \| ∟ Complement Inactivator Proteins \| ∟ Complement Membrane Attack Complex \| ∟ D003165Q000037* \| ∟ Properdin X
Broader terms:	Medical Subject Headings (MeSH) ∟ Amino Acids, Peptides, and Proteins ∟ Proteins ∟ Blood Proteins ∟ Immunoproteins ∟ Complement System Proteins ∟ Complement C4 Complement System Proteins > Immunoproteins > Blood Proteins > Proteins > Amino Acids, Peptides, and Proteins > Medical Subject Headings (MeSH) X
Narrower terms:	Complement C4a \| Complement C4b X
History note:	Complement (1968-1974) \| Protein Binding (1966-1974)X
historyNote*:	2006 (1975) X
publicMeSHNote*:	2006; see COMPLEMENT 4 1978-2005, see COMPLEMENT 1975-1977; COMPLEMENT C4, PRECURSOR was indexed under COMPLEMENT 4 1980-2005 X
Scope note:	A glycoprotein that is important in the activation of CLASSICAL COMPLEMENT PATHWAY. C4 is cleaved by the activated COMPLEMENT C1S into COMPLEMENT C4A and COMPLEMENT C4B. X
activeMeSHYear*:	2006 \| 2007X
dateCreated*:	1974-11-11X
dateEstablished*:	1978-01-01X
dateRevised*:	2005-06-30X
recordAuthorizer*:	sjnX
recordMaintainer*:	lktX
recordOriginator*:	NLMX
Type:	Concept X
Coordinate terms:	Anaphylatoxins \| Complement Activating Enzymes \| Complement C1 \| Complement C2 \| Complement C3 \| Complement C5 \| Complement C6 \| Complement C7 \| Complement C8 \| Complement C9 \| Complement Factor B \| Complement Inactivator Proteins \| Complement Membrane Attack Complex \| D003165Q000037* \| Properdin X
URI:	X
Labels and equivalent concepts:	Komplementti C4 (fi) C4 (fi, replaced) Komplement 4 (sv) Pro-complement 4 (en, replaced) Pro-C4 (en, replaced) Complement Component 4 (en, replaced) C4 Complement Component (en, replaced) Complement 4 (en, replaced) C4 Complement (en, replaced) X
Share:	X