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S-100 protein is a family of low molecular weight protein found in vertebrates characterized by two calcium binding sites of the helix-loop-helix ("EF-hand type") conformation. There are at least 21 different types of S100 proteins.The name is derived from the fact that the protein is 100% Soluble in ammonium sulfate at neutral pH.

Several members of the S-100 protein family are useful as markers for certain tumors and epidermal differentiation. It can be found in melanomas, 50% of malignant peripheral nerve sheath tumors, schwannomas, paraganglioma stromal cells, histiocytoma and clear cell sarcomas. Further, S100 proteins are markers for inflammatory diseases and can mediate inflammation and act as antimicrobials. Copyright Text is available under the Creative Commons Attribution/Share-Alike License. See for details. Source: Wikipedia, Wikipedia

Basic Part Properties

Part Display Name
S-100 Ag
Part Type
Component (Describes the core component or analyte measured)
Created On
Construct for LOINC Short Name

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Language Variants Get Info

Tag Language Translation
zh-CN Chinese (China) S-100
Synonyms: S-100 抗原
fr-CA French (Canada) S-100
et-EE Estonian (Estonia) S-100
Synonyms: Kasvajaantigeen S-100
es-ES Spanish (Spain) S-100 Ag
it-IT Italian (Italy) S-100
Synonyms: Ag S-100
tr-TR Turkish (Turkey) S-100
ru-RU Russian (Russian Federation) S-100
Synonyms: S-100 Аг
nl-NL Dutch (Netherlands) S-100
fr-BE French (Belgium) S-100