SUBJECT INDEX 
Phenyl- (continuation ) 
—alanine, accumulation by HeLa cells, 697, 
699 
—-—, change in vitamin A deficient rat tissues, 
34e 
— —, clearance of, in phenylketonuria, 255 
— —, comparative incorporation in lipid and 
protein, 742-744 
— —, detection on paper chromatograms, 9 
— —, effect boron deficiency, 664 
— —, excretion, 255 
— —, — in phenylketonuria, 212 
— — hydroxylase, 270 
—  —, incorporation into lipid complex, 745, 
746, 751, 752 
—-—, metabolism in premature human, 270 
— —, oxidation by liver and non-hepatic 
tissues, 710, 711 
— —, permeability in brain, 557, 558 
— —, reabsorption, 213 
—cyclopropylamine, effect on amino acids in 
brain, 489, 490 
—hydrazine, effect on amino acids in rabbit 
blood fractions, 408, 409 
— —, effect on liver, 412 
— —, effect on transamination, 412 
—isopropylhydrazine, effect on amino acids in 
brain, 489, 490 
—ketonuria, 196, 212, 213, 254, 255, 519 
— —, effect on phenylalanine in cerebrospinal 
fluid, 278 
—lactic acid, excretion in phenylketonuria, 
212, 255 
—pyruvic acid, excretion in phenylketonuria, 
212, 255 
Phlegethontius quinquemaculatus, amino acids, 
118 
Phlox decussata, y-hydroxyglutamic acid, 18, 
71 
— paniculata, amino acids, 40 
Phoenix dactylifeva, amino acids, 32 
Phormia vegina, essential amino acids, 127, 
128 
Phosphatidyl ethanolamine, in brain, 480, 481 
— —, formation from phosphatidyl serine, 194 
— serine, conversion to phosphatidyl ethanol- 
amine, 194 
Phosphoethanolamine, in brain, 289, 480, 481, 
489 
—, excretion, 255 
—, in HeLa cells, 696 
—, human urine, 200 
—, increase in plasma during liver persion, 
718, 719 
—, saliva, 509 
Phospholipid—amino acid, in Penicillium chryso- 
genum, 748, 752 
—, role in amino acid transport, 752 
—, solubilizing effect on polar compounds, 744, 
759 
Phosphorus, distribution in yeast cell fractions, 
633, 634 
—, incorporation into serine ethanolamine 
phosphodiester, 1g0, 191 
803 
N-Phosphorylglutamate, 
lococcus aureus, 573 
—lombricine, 189, I9r 
—-taurocyamine, formation, 168 
Phosphoserine, in brain, 475, 476, 480 
—, In nerve, 475-477 
—, synthesis in pea hypocotyls, 677 
Photosynthesis, amino acid synthesized during, 
658-660, 622 
Phycomyces nitens, amino acids, 88 
Physical methods, use in determining configu- 
ration, 17 
Physostigmine, 
synthesis, 746 
Phytophthora cactorum, amino acids, 85 
Picric acid, use in deproteinization, 223, 22 
Pigeon, brain, amino acids, 472, 476 
Pipecolic acid, in green bean, 2 
—, in Liliaceae, 2 
—, metabolic relation to lysine, 30 
—, in plants, 30 
Piperidine derivations, occurrence in plants, 32 
Pisastey ochvaceus, amino acids, 184, 185 
Pisum sativum, y-glutamylalanine, 56 
Pisum sativum L, amino acids, 35 
Placenta, concentration of amino acids, 264 
—, permeability to proteins, 264 
Plant leaf, synthesis and export of fixed 
nitrogen, 691 
Plasma, chicken, serine ethanolamine phospho- 
diester, 190 
Platelets, human, amino acids, 242-244, 247, 
248, 350 
—, —, —, in chronic granulocytic leukemia, 
3747 375 
—, —, —, in polycythemia, 374, 375 
—, —, effect glutamine on amino acids, in 
chronic granulocytic leukemia, 445, 446 
—, —, preparation for analysis, 224, 225 
Platysamia cecropia, amino acids, 126 
Podophyllin, effect on pool in tumors, 313, 316, 
318 
Polinices duplicatus, amino acids, 172 
—, taurine, 165, 166 
Pollen, amino acids, 120 
Polyamino acids, lipid solubility, 760 
Polychaete worms, taurocyamine, 167 
Polycythemia, effect on amino acids in blood 
plasma, 374, 375, 385 
—, —, in leukocytes, 374, 376 
—, — in platelets, 374, 375 
—, — in urine, 383, 384 
Polyploidy, effect on pool composition, 100 
Pomacea bridgesi, taurine, absence, 165 
Pool heterogeneity, in Escherichia coli, 775, 776 
Popillia japonica, soluble proteins, 129 
Potassium deficiency, effect on amino acids in 
tissues, 267, 337, 338 
— ion, effect on amino acid transport, 542- 
544 
effect on pool composition, 669 
—, replacement by lysine, 337 
— effect on Streptococcus faecalis protoplast 
permeability, 772, 773 
uptake by Staphy- 
inhibition lipid—amino acid 

