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Description
PCMT-II (Protein Carboxyl Methyl Transferase), or L-isoaspartate (D-aspartate) O-methyltransferase, is a cytosolic enzyme that is expressed in all tissues as well as in bacteria. Interestingly, PCMT-II is highly expressed in the brain. It recognizes damaged proteins that result from deamidation, isomerization, and racemization reactions. These proteins contain L-isoaspartyl and D-aspartyl residues and can have abnormal configurations that result in anomalous or loss of function. PCMT-II catalyzes the first step of the conversion of these unusual residues to normal L-aspartyl residues. This mechanism prevents the accumulation of aberrant proteins in aging cells. Pcmt-1 knock-out mice display growth retardation and a seizure disorder that results in death at an average age of 42 days. Thus, PCMT-II is necessary for growth and nervous system function. The immunogen region from human PCMT-II used to generate this antibody has been reported to be identical to the region in PCMT-I.
Immunofluorescence, Immunoprecipitation, Western Blotting
Specifications
Specifications
| Antigen | PCMT-I/II |
| Applications | Immunofluorescence, Western Blot |
| Classification | Monoclonal |
| Clone | 4 |
| Concentration | 250μg/mL |
| Conjugate | Unconjugated |
| Host Species | Mouse |
| Immunogen | Human PCMT-II aa. 10-211 |
| Purification Method | Affinity Purified |
| Quantity | 50 μg |
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