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Invitrogen™ Calpain S1/S2 Monoclonal Antibody (28F3)

Description
This antibody specifically recognizes the 28 to 30 kD small subunit of Calpain 1 and Calpain 2 (mu calpain and m calpain). It recognizes both native and denatured protein in ELISA, Western Blot and Immunoprecipitation.
The calpains are calcium-dependent cysteine proteases that are widely expressed in mammalian systems. Both m-calpain (calpain II) and m-calpain (calpain I) are composed of an 80 kD subunit and a 30 kD subunit. Whereas the 30 kDa subunit is shared by both enzymes, the larger catalytic subunits are different and exhibit the distinct Ca++ requirements that are suggested by their names. Whereas m-calpain requires millimolar (mM) levels of calcium, m-calpain is active at micromolar (mM) concentrations of Ca++. In addition to the ubiquitously expressed m- and m- calpains, some tissue-specific calpains have been identified. The calpains appear to serve multiple physiological roles, and ideas concerning the functions of these enzymes are in a state of rapid flux.
Specifications
Specifications
| Antigen | Calpain S1/S2 |
| Applications | ELISA, Immunoprecipitation, Western Blot |
| Classification | Monoclonal |
| Clone | 28F3 |
| Concentration | 1 mg/mL |
| Conjugate | Unconjugated |
| Formulation | PBS with 50% glycerol and 3mM sodium azide; pH 7.5 |
| Gene | CAPNS1 |
| Gene Accession No. | P04632, P13135, Q96L46 |
| Gene Alias | 2310005G05Rik; 30K-2; calcium-activated neutral proteinase 2; Calcium-activated neutral proteinase small subunit; Calcium-dependent protease small subunit; Calcium-dependent protease small subunit 1; calcium-dependent protease small subunit 2; calcium-dependent protease, small subunit; calpain 2; calpain 2, (m/II) large subunit; calpain 2, large [catalytic] subunit; calpain 2, large subunit; calpain 4; calpain 4, small subunit (30K); calpain II regulatory subunit; calpain II regulatory subunit (EC 3.4.22.17); calpain large polypeptide L2; Calpain M-type; calpain regulatory subunit; Calpain small subunit 1; calpain small subunit 2; calpain, large polypeptide L2; calpain, small polypeptide; calpain, small subunit 1; calpain, small subunit 2; calpain-2 catalytic subunit; Calpain-2 large subunit; CALPAIN4; CANP; CANP 2; CANP small subunit; CANP2; CANPL2; CANPml; CANPS; Capa4; Capa-4; CAPN2; Capn4; CAPNS; CAPNS1; Capns2; CDPS; CSS1; CSS2; D7Ertd146e; M-calpain; mCANP; Millimolar-calpain |
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