Cardiac Troponin I, 10 μg

Cardiac Troponin I

Upstate (Millipore)

10 µg

Troponin is a complex of three regulatory proteins (Troponin I, Troponin T and Troponin C). It is located on the actin filament and is essential for the calcium-mediated regulation of skeletal and cardiac muscle contraction. There are tissue-specific isoforms of Troponin I, T and C and two subtypes (Cardiac Troponin I and T) are released when the heart muscle has been damaged, such as during a heart attack. The more damage there is to the heart, the greater the amount of Troponin I and T there will be in the blood and currently, Cardiac Troponin I and T are used as the preferred biochemical markers for the diagnosis of myocardial infarction. It has also been demonstrated that Cardiac Troponin I is targeted for degradation by MuRF1, an E3 ubiquitin ligase that has been linked to muscle atrophy

10 µg of Cardiac Troponin I. Full length, recombinant human Cardiac Troponin I. N-terminal c-Myc, GST-tagged. For use in Enzyme Assays. Functions as a substrate in ubiquitination assays.

Enzyme Assay

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Human

Substrate

Upstate

N-terminal c-Myc, GST-tagged, recombinant human Cardiac Troponin I full length, expressed by baculovirus in Sf21 insect cells. Purified using glutathione sepharose.

Cardiac Troponin I

GenBank NM_000363

• Troponin I
• cardiac muscle
• TNNI3
• TNNC1

Purified using immobilized metal affinity chromatography.