Tags: Protein.

MYH7 is a gene encoding a myosin heavy chain beta (MHC-β) isoform (slow twitch) expressed primarily in the heart but also in skeletal muscles (type I fibers).Changes in the relative abundance of MHC-β and MHC-α (MYH6 the fast isoform of cardiac myosin heavy chain) correlate with the contractile velocity of cardiac muscle. In early fetal development MHC-β is predominately expressed in the ventricles while MHC-α is predominantly expressed in the atria.

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