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FIGURE: 1 / 4
Please note: We are reviewing Western blot images included in the antibody testing data in our catalog, including those provided by third parties. Unless expressly labeled or annotated as “raw-unedited”, Western blot images included in the antibody testing data in our catalog may have been edited, optimized or otherwise adjusted for presentation.
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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Protein Aliases: slow-twitch skeletal isoform; slow-twitch skeletal troponin I (TNN1); SSTNI; TNN1; TNNI1; troponin I; troponin I skeletal slow-twitch protein; troponin I type 1 (skeletal, slow); troponin I, skeletal, slow 1; unnamed protein product
Gene Aliases: 2700018B22Rik; SSTNI; TnI-S4; TNN1
UniProt ID: (Human) P19237, (Mouse) Q9WUZ5, (Rat) P13413
Entrez Gene ID: (Human) 7135, (Pig) 396947, (Mouse) 21952, (Rat) 29388
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