2.7.10.1 receptor protein-tyrosine kinase motoneuron - 490577 2.7.11.11 cAMP-dependent protein kinase motoneuron - 693735, 694375 2.7.11.17 Ca2+/calmodulin-dependent protein kinase motoneuron - 693204 3.1.3.16 protein-serine/threonine phosphatase motoneuron phrenic motoneuron 693756 3.1.3.64 phosphatidylinositol-3-phosphatase motoneuron - 682009 3.1.4.53 3',5'-cyclic-AMP phosphodiesterase motoneuron - 694873 5.6.1.1 microtubule-severing ATPase motoneuron - 696957