Anti-MPPB/PMPCB Antibody Picoband® (monoclonal, 9F13E4)

Mitochondrial-processing peptidase subunit beta is an enzyme that in humans is encoded by the PMPCB gene. This gene is a member of the peptidase M16 family and encodes a protein with a zinc-binding motif. This protein is located in the mitochondrial matrix and catalyzes the cleavage of the leader peptides of precursor proteins newly imported into the mitochondria, though it only functions as part of a heterodimeric complex.

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Mitochondrial membrane ATP synthase (F (1) F (0) ATP synthase or Complex V) produces ATP from ADP in the presence of a proton gradient across the membrane which is generated by electron transport complexes of the respiratory chain. F-type ATPases consist of two structural domains, F (1) - containing the extramembraneous catalytic core, and F (0) - containing the membrane proton channel, linked together by a central stalk and a peripheral stalk. During catalysis, ATP synthesis in the catalytic domain of F (1) is coupled via a rotary mechanism of the central stalk subunits to proton translocation. Part of the complex F (0) domain and the peripheric stalk, which acts as a stator to hold the catalytic alpha (3) beta (3) subcomplex and subunit a/ATP6 static relative to the rotary elements.

1. Fields, S., Song, O. A novel genetic system to detect protein-protein interactions. (Letter) Nature 340: 245-246, 1989. 2. Gordon, D. M., Shi, Q., Dancis, A., Pain, D. Maturation of frataxin within mammalian and yeast mitochondria: one-step processing by matrix processing peptidase. Hum. Molec. Genet. 8: 2255-2262, 1999. 3. Gross, M. B. Personal Communication. Baltimore, Md. 5/3/2018.

At -20°C for one year from date of receipt. After reconstitution, at 4°C for one month. It can also be aliquotted and stored frozen at -20°C for six months. Avoid repeated freezing and thawing.