4.1.1.112 microsome - - 4271 4.1.1.112 mitochondrion - 5739 4270, 756006 4.1.1.112 mitochondrion 14% of activity 5739 653877 4.1.1.112 mitochondrion differs from cytoplasmic enzyme 5739 4271 4.1.1.112 soluble - - 692884, 704327