Western blot of Troponin I/TNNI1 in human skeletal muscle lysate was performed using 35ug protein in RIPA buffer. Lysates were probed with a Troponin I/TNNI1 polyclonal antibody (Product# PA5-37897) at a dilution of 0.03ug/ml and incubated for 1 hour, followed by chemiluminescent detection.
|Tested species reactivity||Human, Mouse|
|Host / Isotype||Goat / IgG|
|Immunogen||Peptide with sequence PEVERKPKITASRK-C, from the N-terminus of TNNI1|
|Purification||Antigen affinity chromatography|
|Storage buffer||TBS, pH 7.3, with 0.5% BSA|
|Contains||0.02% sodium azide|
|Tested Applications||Dilution *|
|Western Blot (WB)||0.03-0.1 µg/ml|
* Suggested working dilutions are given as a guide only. It is recommended that the user titrate the product for use in their own experiment using appropriate negative and positive controls.
This antibody is predicted to react with pig and cow based on sequence homology.
Troponin proteins associate with tropomyosin and regulate the calcium sensitivity of the myofibril contractile apparatus of striated muscles. Troponin I (TnI), along with troponin T (TnT) and troponin C (TnC), is one of 3 subunits that form the troponin complex of the thin filaments of striated muscle. TnI is the inhibitory subunit; blocking actin-myosin interactions and thereby mediating striated muscle relaxation. The TnI subfamily contains three genes: TnI-skeletal-fast-twitch, TnI-skeletal-slow-twitch, and TnI-cardiac. The TnI-fast and TnI-slow genes are expressed in fast-twitch and slow-twitch skeletal muscle fibers, respectively, while the TnI-cardiac gene is expressed exclusively in cardiac muscle tissue. This gene encodes the Troponin-I-skeletal-slow-twitch protein. This gene is expressed in cardiac and skeletal muscle during early development but is restricted to slow-twitch skeletal muscle fibers in adults. The encoded protein prevents muscle contraction by inhibiting calcium-mediated conformational changes in actin-myosin complexes.
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