TABLE I
REPORTED DISTRIBUTION OF THE ENZYMES CONCERNED WITH PHOSPHOLIPID SYNTHESIS"
Mammalian tissues
Enzyme
Yeasts
Higher plants
References
Liver
Kidney
Brain
Heart
Other tissues
Choline phosphokinase
Calf, rabbit, rat, pig Rabbit, pig Calf, rabbit
rat
Phosphorylcholine cytidyl transferase Rat, pig, guinea pig, Rat
Rat, calf
chicken
Rat
Rat
Phosphorylethanolamine cytidyl
transferase
Phosphorylcholine glyceride
transferase
Phosphatidic acid phosphatase
Glycerokinase
Rat, pig, guinea pig
Rat, chicken
Rat, chicken
Rat, hen, pigeon
Rat
Rat
Rat
Phosphatidic acid synthetase
Phosphorylcholine ceramide
transferase
Guinea pig
Chicken, rat, guinea Rat
pig, pig
—
Intestinal mucosa Brewers'
of calf and rabbit
Rat
Rat seminal
Several strains
vesicles
Rat
—
Several strains
—
Rat sciatic nerve, Brewers'
seminal vesicles
Rat, guinea Rat Rat skeletal
—
pig
muscle
—
—
—
Bakers' and
wild yeast
grown on
glycerol
Guinea pig,
i at
—
Rat spleen
—
Carrot root
Carrot root
—
-
—
(3,5)
(6-9)
(6)
(6, 8-11)
(12, 18)
(14, 15)
(8, 13, 16, 17)
(18)
Ö
>
o
2
° Such enzymes must occur far more widely than is indicated here.