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Catalog Number | orb1955766 |
---|---|
Category | Proteins |
Description | Troponin I, also known as TNNC1, is part of the troponin complex. This complex contains 3 subunits: troponin I (TnI), troponin T (TnT) and troponin C (TnC). Troponin I is the inhibitory subunit, blocking actin-myosin interactions and thereby mediating striated muscle relaxation. It binds to actin in thin myofilaments to hold the actin-tropomyosin complex in place. Because of it myosin cannot bind actin in relaxed muscle. When calcium binds to the Troponin C it causes conformational changes which lead to dislocation of troponin I and finally tropomyosin leaves the binding site for myosin on actin leading to contraction of muscle. |
Tag | Tag Free |
Purity | 98.00% |
MW | 18.4 kDa (predicted); 20 kDa (reducing conditions) |
UniProt ID | P63316 |
Expression System | E. coli |
Biological Origin | Human |
Biological Activity | Troponin I, also known as TNNC1, is part of the troponin complex. This complex contains 3 subunits: troponin I (TnI), troponin T (TnT) and troponin C (TnC). Troponin I is the inhibitory subunit, blocking actin-myosin interactions and thereby mediating striated muscle relaxation. It binds to actin in thin myofilaments to hold the actin-tropomyosin complex in place. Because of it myosin cannot bind actin in relaxed muscle. When calcium binds to the Troponin C it causes conformational changes which lead to dislocation of troponin I and finally tropomyosin leaves the binding site for myosin on actin leading to contraction of muscle. |
Expression Region | A DNA sequence encoding the human TNNC1 (NP_003271.1) (Met1-Glu161) was expressed and purified. Predicted N terminal: Ser 21 |
Storage | -20°C |
Note | For research use only |
Application notes | A Certificate of Analysis (CoA) containing reconstitution instructions is included with the products. Please refer to the CoA for detailed information. |
Expiration Date | 6 months from date of receipt. |
Greater than 90% as determined by SDS-PAGE. | |
45 kDa | |
E.coli |
Greater than 85% as determined by SDS-PAGE. | |
19.5 kDa | |
Baculovirus |
Greater than 90% as determined by SDS-PAGE. | |
21.0 kDa | |
E.coli |
ELISA, MS, SDS-PAGE, WB | |
Greater than 95% as determined by reducing SDS-PAGE. | |
E. coli |
Greater than 95% as determined by reducing SDS-PAGE | |
17-20 KDa (reducing condition) |