| Tissue Specificity | Highly prevalent in heart. Also found in lesser quantities in skeletal muscle and brain. |
| Post Translational Modifications | Glutathionylated.glutathionylation increases affinity to calcium about 10-fold. |
| Function | Small calcium binding protein that plays important roles in several biological processes such as Ca(2+) homeostasis, chondrocyte biology and cardiomyocyte regulation. In response to an increase in intracellular Ca(2+) levels, binds calcium which triggers conformational changes. These changes allow interactions with specific target proteins and modulate their activity. Regulates a network in cardiomyocytes controlling sarcoplasmic reticulum Ca(2+) cycling and mitochondrial function through interaction with the ryanodine receptors RYR1 and RYR2, sarcoplasmic reticulum Ca(2+)-ATPase/ATP2A2 and mitochondrial F1-ATPase. Facilitates diastolic Ca(2+) dissociation and myofilament mechanics in order to improve relaxation during diastole. |
| Protein Name | Protein S100-A1S-100 Protein Alpha ChainS-100 Protein Subunit AlphaS100 Calcium-Binding Protein A1 |
| Database Links | Reactome: R-HSA-1236974Reactome: R-HSA-166058Reactome: R-HSA-5602498Reactome: R-HSA-5603041Reactome: R-HSA-5686938 |
| Cellular Localisation | CytoplasmSarcoplasmic ReticulumMitochondrion |
| Alternative Antibody Pair Names | Protein S100-A1 antibody pairS-100 Protein Alpha Chain antibody pairS-100 Protein Subunit Alpha antibody pairS100 Calcium-Binding Protein A1 antibody pairS100A1 antibody pairS100A antibody pair |
Information sourced from Uniprot.org
