A subclass of myosins found generally associated with actin-rich membrane structures such as filopodia. Members of the myosin type I family are ubiquitously expressed in eukaryotes. The heavy chains of myosin type I lack coiled-coil forming sequences in their tails and therefore do not dimerize.
Entry Term(s)
Myosin I
Myosin IA
Myosin IB
Registry Numbers
EC 3.6.1.-
EC 3.6.1.-
EC 3.6.1.-
Previous Indexing
Myosins (1987-2001)
Public MeSH Note
2002; for MYOSIN IA & MYOSIN IB see MYOSIN 1988-2001
History Note
2002; for MYOSIN IA & MYOSIN IB use MYOSINS 1988-2001
A subclass of myosins found generally associated with actin-rich membrane structures such as filopodia. Members of the myosin type I family are ubiquitously expressed in eukaryotes. The heavy chains of myosin type I lack coiled-coil forming sequences in their tails and therefore do not dimerize.