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Volume 72(4);  April 1975
The cover of the journal
Assessment of some problems associated with prediction of the three-dimensional structure of a protein from its amino-acid sequence.
A W Burgess and H A Scheraga
Proc Natl Acad Sci U S A. 1975 April; 72(4): 1221–1225.
PMCID: PMC432503
Genetic evidence for an additional function of phage T4 gene 32 protein: interaction with ligase.
G Mosig and A M Breschkin
Proc Natl Acad Sci U S A. 1975 April; 72(4): 1226–1230.
PMCID: PMC432504
Chromosome measurement and sorting by flow systems.
J W Gray, A V Carrano, L L Steinmetz, M A Van Dilla, D H Moore, 2nd, B H Mayall, and M L Mendelsohn
Proc Natl Acad Sci U S A. 1975 April; 72(4): 1231–1234.
PMCID: PMC432505
Repair of ultraviolet irradiation damage to a cytoplasmic component required for neural induction in the amphibian egg.
H M Chung and G M Malacinski
Proc Natl Acad Sci U S A. 1975 April; 72(4): 1235–1239.
PMCID: PMC432506
Control of the synthesis of a single enzyme by multiple regulatory circuits in Neurospora crassa.
M A Hanson and G A Marzluf
Proc Natl Acad Sci U S A. 1975 April; 72(4): 1240–1244.
PMCID: PMC432507
Coordinated motor output in the hindlimb of the 7-day chick embryo.
A Bekoff, P S Stein, and V Hamburger
Proc Natl Acad Sci U S A. 1975 April; 72(4): 1245–1248.
PMCID: PMC432508
Autogenous regulation of the inducible tryptophan synthase of Pseudomonas putida.
A R Proctor and I P Crawford
Proc Natl Acad Sci U S A. 1975 April; 72(4): 1249–1253.
PMCID: PMC432509
Molecular basis of beta-galactosidase alpha-complementation.
K E Langley, M R Villarejo, A V Fowler, P J Zamenhof, and I Zabin
Proc Natl Acad Sci U S A. 1975 April; 72(4): 1254–1257.
PMCID: PMC432510
Selective blockage of initiation of host protein synthesis in RNA-virus-infected cells.
D L Nuss, H Oppermann, and G Koch
Proc Natl Acad Sci U S A. 1975 April; 72(4): 1258–1262.
PMCID: PMC432511
Cyclic AMP modulates microvillus formation and agglutinability in transformed and normal mouse fibroblasts.
M C Willingham and I Pastan
Proc Natl Acad Sci U S A. 1975 April; 72(4): 1263–1267.
PMCID: PMC432512
Evolution of biosynthetic pathways: immunological approach.
P Truffa-Bachi, N Guiso, G N Cohen, J Theze, and B Burr
Proc Natl Acad Sci U S A. 1975 April; 72(4): 1268–1271.
PMCID: PMC432513
Physical characteristics of the gonadotropin receptor-hormone complexes formed in vivo and in vitro.
M L Dufau, E J Podesta, and K J Catt
Proc Natl Acad Sci U S A. 1975 April; 72(4): 1272–1275.
PMCID: PMC432514
Regulation of herpesvirus macromolecular synthesis: sequential transition of polypeptide synthesis requires functional viral polypeptides.
R W Honess and B Roizman
Proc Natl Acad Sci U S A. 1975 April; 72(4): 1276–1280.
PMCID: PMC432515
Isolation and characterization of vitamin K-dependent region of bovine blood clotting factor X.
J B Howard and G L Nelsestuen
Proc Natl Acad Sci U S A. 1975 April; 72(4): 1281–1285.
PMCID: PMC432516
Inhibition of protein synthesis in rabbit reticulocyte lysates by double-stranded RNA and oxidized glutathione: indirect mode of action on polypeptide chain initiation.
M J Clemens, B Safer, W C Merrick, W F Anderson, and I M London
Proc Natl Acad Sci U S A. 1975 April; 72(4): 1286–1290.
PMCID: PMC432517
Stochastics of cycle completions (fluxes) in biochemical kinetic diagrams.
T L Hill and Y D Chen
Proc Natl Acad Sci U S A. 1975 April; 72(4): 1291–1295.
PMCID: PMC432518
New cell surface antigens in rat defined by tumors of the nervous system.
K L Fields, C Gosling, M Megson, and P L Stern
Proc Natl Acad Sci U S A. 1975 April; 72(4): 1296–1300.
PMCID: PMC432519
Lymphocyte cytotoxicity to autologous liver cells in chronic active hepatitis.
K R Wands and K J Isselbacher
Proc Natl Acad Sci U S A. 1975 April; 72(4): 1301–1303.
PMCID: PMC432520
Histone-histone propinquity by aldehyde fixation of chromatin.
R Chalkley and C Hunter
Proc Natl Acad Sci U S A. 1975 April; 72(4): 1304–1308.
PMCID: PMC432521
Amino-acid sequence of parvalbumin from rabbit skeletal muscle.
D L Enfield, L H Ericsson, H E Blum, E H Fischer, and H Neurath
Proc Natl Acad Sci U S A. 1975 April; 72(4): 1309–1313.
PMCID: PMC432522
Patients with Ehlers-Danlos syndrome type IV lack type III collagen.
F M Pope, G R Martin, J R Lichtenstein, R Penttinen, B Gerson, D W Rowe, and V A McKusick
Proc Natl Acad Sci U S A. 1975 April; 72(4): 1314–1316.
PMCID: PMC432523
Human epidermal growth factor: isolation and chemical and biological properties.
S Cohen and G Carpenter
Proc Natl Acad Sci U S A. 1975 April; 72(4): 1317–1321.
PMCID: PMC432524
Almost All Roots of ζ(s) = a Are Arbitrarily Close to σ = 1/2
Norman Levinson
Proc Natl Acad Sci U S A. 1975 April; 72(4): 1322–1324.
PMCID: PMC432525
Donnan potential of rabbit skeletal muscle myofibrils I: electrofluorochromometric detection of potential.
S P Scordilis, H Tedeschi, and C Edwards
Proc Natl Acad Sci U S A. 1975 April; 72(4): 1325–1329.
PMCID: PMC432526
Hemoglobin interaction in sickle cell fibers. I: Theoretical approaches to the molecular contacts.
C Levinthal, S J Wodak, P Kahn, and A K Dadivanian
Proc Natl Acad Sci U S A. 1975 April; 72(4): 1330–1334.
PMCID: PMC432527
Tumor-inhibiting properties of the neutral P-O-ethyl ester of adenosine 3':5'-monophosphate in correlation with its crystal and molecular structure.
F A Cotton, R G Gillen, R N Gohil, E E Hazen, Jr, C R Kirchner, J Nagyvary, J P Rouse, A G Stanislowski, J D Stevens, and P W Tucker
Proc Natl Acad Sci U S A. 1975 April; 72(4): 1335–1339.
PMCID: PMC432528
Immunoreactive somatostatin is present in discrete cells of the endocrine pancreas.
M P Dubois
Proc Natl Acad Sci U S A. 1975 April; 72(4): 1340–1343.
PMCID: PMC432529
Mapping of late adenovirus genes by cell-free translation of RNA selected by hybridization to specific DNA fragments.
J B Lewis, J F Atkins, C W Anderson, P R Baum, and R F Gesteland
Proc Natl Acad Sci U S A. 1975 April; 72(4): 1344–1348.
PMCID: PMC432530
Crystal structure of bovine Cu,Zn superoxide dismutase at 3 A resolution: chain tracing and metal ligands.
J Richardson, K A Thomas, B H Rubin, and D C Richardson
Proc Natl Acad Sci U S A. 1975 April; 72(4): 1349–1353.
PMCID: PMC432531
Proposal concerning mechanism of evolution of the genome of Escherichia coli.
D Zipkas and M Riley
Proc Natl Acad Sci U S A. 1975 April; 72(4): 1354–1358.
PMCID: PMC432532
Detection and ultrastructural localization of human smooth muscle myosin-like molecules in human non-muscle cells by specific antibodies.
R G Painter, M Sheetz, and S J Singer
Proc Natl Acad Sci U S A. 1975 April; 72(4): 1359–1363.
PMCID: PMC432533
Metabolites influence control of lysine transfer ribonucleic acid synthetase formation in Escherichia coli K-12.
I N Hirshfield, F M Yeh, and L E Sawyer
Proc Natl Acad Sci U S A. 1975 April; 72(4): 1364–1367.
PMCID: PMC432534
Synthesis of acetylcholine receptor by denervated rat diaphragm muscle.
J P Brockes and Z W Hall
Proc Natl Acad Sci U S A. 1975 April; 72(4): 1368–1372.
PMCID: PMC432535
Site specific recA--independent recombination between bacterial plasmids: involvement of palindromes at the recombinational loci.
D J Kopecko and S N Cohen
Proc Natl Acad Sci U S A. 1975 April; 72(4): 1373–1377.
PMCID: PMC432536
Phenylalanyl-tRNA synthetase from baker's yeast: role of 3'-terminal adenosine of tRNA-Phe in enzyme-substrate interaction studied with 3'-modified tRNA-Phe species.
F Von Der Haar and E Gaertner
Proc Natl Acad Sci U S A. 1975 April; 72(4): 1378–1382.
PMCID: PMC432537
A beta-D-galactoside binding protein from electric organ tissue of Electrophorus electricus.
V I Teichberg, I Silman, D D Beitsch, and G Resheff
Proc Natl Acad Sci U S A. 1975 April; 72(4): 1383–1387.
PMCID: PMC432538
Extensive homology between the subunits of the phytohemagglutinin mitogenic proteins derived from Phaseolus vulgaris.
J B Miller, R Hsu, R Heinrikson, and S Yachnin
Proc Natl Acad Sci U S A. 1975 April; 72(4): 1388–1391.
PMCID: PMC432539
Biochemical procedure for production of small deletions in simian virus 40 DNA.
J Carbon, T E Shenk, and P Berg
Proc Natl Acad Sci U S A. 1975 April; 72(4): 1392–1396.
PMCID: PMC432540
Somatic cell hybrids between mouse peritoneal macrophages and simian-virus-40-transformed human cells: II. Presence of human chromosome 7 carrying simin virus 40 genome in cells of tumors induced by hybrid cells.
C M Croce, D Aden, and H Koprowski
Proc Natl Acad Sci U S A. 1975 April; 72(4): 1397–1400.
PMCID: PMC432541
Adenine formation from adenosine by mycoplasmas: adenosine phosphorylase activity.
M Hatanaka, R Del Giudice, and C Long
Proc Natl Acad Sci U S A. 1975 April; 72(4): 1401–1405.
PMCID: PMC432542
Interwining Operators and Automorphic Forms for the Metaplectic Group
Stephen Gelbart and Paul Sally
Proc Natl Acad Sci U S A. 1975 April; 72(4): 1406–1410.
PMCID: PMC432543
“Spshing Noise”: Biological Significance of Its Attraction and Nonattraction by Birds
Neal Griffith Smith
Proc Natl Acad Sci U S A. 1975 April; 72(4): 1411–1414.
PMCID: PMC432544
Circadian rhythm of tyrosine hydroxylase induction by short-term cold stress: modulatory action of glucocorticoids in newborn and adult rats.
U Otten and H Thoenen
Proc Natl Acad Sci U S A. 1975 April; 72(4): 1415–1419.
PMCID: PMC432545
Estrogen-directed synthesis of specific prostaglandins in uterus.
E A Ham, V J Cirillo, M E Zanetti, and F A Kuehl, Jr
Proc Natl Acad Sci U S A. 1975 April; 72(4): 1420–1424.
PMCID: PMC432546
On Equimultiple Subvarieties of Algebroid Hypersurfaces
Oscar Zariski
Proc Natl Acad Sci U S A. 1975 April; 72(4): 1425–1426.
PMCID: PMC432547
Variants of a mouse myeloma cell line that synthesize immunoglobulin heavy chains having an altered serotype.
J L Preud'Homme, B K Birshtein, and M D Scharff
Proc Natl Acad Sci U S A. 1975 April; 72(4): 1427–1430.
PMCID: PMC432548
Role of epithelial architecture and intracellular metabolism in proline uptake and transtubular reclamation in PRO/re mouse kidney.
C R Scriver, R R McInnes, and F Mohyuddin
Proc Natl Acad Sci U S A. 1975 April; 72(4): 1431–1435.
PMCID: PMC432549
Macromolecular enzymatic product of NAD+ in liver mitochondria.
E Kun, P H Zimber, A C Chang, B Puschendorf, and H Grunicke
Proc Natl Acad Sci U S A. 1975 April; 72(4): 1436–1440.
PMCID: PMC432550
Differentiation of clonal lines of teratocarcinoma cells: formation of embryoid bodies in vitro.
G R Martin and M J Evans
Proc Natl Acad Sci U S A. 1975 April; 72(4): 1441–1445.
PMCID: PMC432551
Physiological role of an endoperoxide in human platelets: hemostatic defect due to platelet cyclo-oxygenase deficiency.
C Malmsten, M Hamberg, J Svensson, and B Samuelsson
Proc Natl Acad Sci U S A. 1975 April; 72(4): 1446–1450.
PMCID: PMC432552
Magnetic resonance spectra of membranes.
P Brûlet and H M McConnell
Proc Natl Acad Sci U S A. 1975 April; 72(4): 1451–1455.
PMCID: PMC432553
Immunological relationship between acetylcholine receptor and thymus: a possible significance in myasthenia gravis.
A Aharonov, R Tarrab-Hazdai, O Abramsky, and S Fuchs
Proc Natl Acad Sci U S A. 1975 April; 72(4): 1456–1459.
PMCID: PMC432554
Presynaptic action of barbiturates in the frog spinal cord.
R A Nicoll
Proc Natl Acad Sci U S A. 1975 April; 72(4): 1460–1463.
PMCID: PMC432555
A group of thermodynamic potentials applicable to ligand binding by a polyfunctional macromolecule.
J Wyman
Proc Natl Acad Sci U S A. 1975 April; 72(4): 1464–1468.
PMCID: PMC432556
Locus on human X chromosome for dihydrotestosterone receptor and androgen insensitivity.
W J Meyer, 3rd, B R Migeon, and C J Migeon
Proc Natl Acad Sci U S A. 1975 April; 72(4): 1469–1472.
PMCID: PMC432557
Isolation of a low-molecular-weight serum component antigenically related to an amyloid fibril protein of unknown origin.
R P Linke, J D Sipe, P S Pollock, T F Ignaczak, and G G Glenner
Proc Natl Acad Sci U S A. 1975 April; 72(4): 1473–1476.
PMCID: PMC432558
Epstein-Barr virus genomes with properties of circular DNA molecules in carrier cells.
A Adams and T Lindahl
Proc Natl Acad Sci U S A. 1975 April; 72(4): 1477–1481.
PMCID: PMC432559
Cell cycle specific fluctuations in adenosine 3':5'-cyclic monophosphate and polyamines of Chinese hamster cells.
D H Russell and P J Stambrook
Proc Natl Acad Sci U S A. 1975 April; 72(4): 1482–1486.
PMCID: PMC432560
The amphisbaenian ear: Blanus cinereus and Diplometopon zarudnyi.
C Gans and E G Wever
Proc Natl Acad Sci U S A. 1975 April; 72(4): 1487–1490.
PMCID: PMC432561
Three steps in conversion of large precursor RNA into serine and proline transfer RNAs.
J G Seidman and W H McClain
Proc Natl Acad Sci U S A. 1975 April; 72(4): 1491–1495.
PMCID: PMC432562
Theory of Homogeneous Dynamos in a Rotating Liquid Sphere
C. L. Pekeris and Y. Accad
Proc Natl Acad Sci U S A. 1975 April; 72(4): 1496–1500.
PMCID: PMC432563
On the question of translocation of heart cAMP-dependent protein kinase.
S L Keely, Jr, J D Corbin, and C R Park
Proc Natl Acad Sci U S A. 1975 April; 72(4): 1501–1504.
PMCID: PMC432564
Affinity labeling of the ribosomal decoding site with an AUG-substrate analog.
O Pongs and E Lanka
Proc Natl Acad Sci U S A. 1975 April; 72(4): 1505–1509.
PMCID: PMC432565
Localized Derepression on the Human Inactive X Chromosone in Mouse-Human Cell Hybrids.
B Kahan and R DeMars
Proc Natl Acad Sci U S A. 1975 April; 72(4): 1510–1514.
PMCID: PMC432566
Trisomy of chromosome 15 in spontaneous leukemia of AKR mice.
R Dofuku, J L Biedler, B A Spengler, and L J Old
Proc Natl Acad Sci U S A. 1975 April; 72(4): 1515–1517.
PMCID: PMC432567
Photoassisted Electrolysis of Water by Irradiation of a Titanium Dioxide Electrode
Mark S. Wrighton, David S. Ginley, Peter T. Wolczanski, Arthur B. Ellis, David L. Morse, and Arthur Linz
Proc Natl Acad Sci U S A. 1975 April; 72(4): 1518–1522.
PMCID: PMC432568
Two classes of translational control RNA: their role in the regulation of protein synthesis.
A J Bester, D S Kennedy, and S M Heywood
Proc Natl Acad Sci U S A. 1975 April; 72(4): 1523–1527.
PMCID: PMC432569
Nature of the tumor-associated determinant(s) of carcinoembryonic antigen.
S Hammarström, E Engvall, B G Johansson, S Svensson, G Sundblad, and I J Goldstein
Proc Natl Acad Sci U S A. 1975 April; 72(4): 1528–1532.
PMCID: PMC432570
A ribonucleoprotein precursor of both the 30S and 50S ribosomal sunbunits of Escherichia coli.
M J Duncan and L Gorini
Proc Natl Acad Sci U S A. 1975 April; 72(4): 1533–1537.
PMCID: PMC432571
Isorhodopsin II: artificial photosensitive pigment formed from 9,13-dicis retinal.
R Crouch, V Purvin, K Nakanishi, and T Ebrey
Proc Natl Acad Sci U S A. 1975 April; 72(4): 1538–1542.
PMCID: PMC432572
Development of receptive fields in rabbit visual cortex: changes in time course due to delayed eye-opening.
P Grobstein, K L Chow, and P C Fox
Proc Natl Acad Sci U S A. 1975 April; 72(4): 1543–1545.
PMCID: PMC432573
Chemical nature of bioluminescence systems in coelenterates.
O Shimomura and F H Johnson
Proc Natl Acad Sci U S A. 1975 April; 72(4): 1546–1549.
PMCID: PMC432574
Relative numbers of human globin genes assayed with purified alpha and beta complementary human DNA.
F Ramirez, C Natta, J V O'Donnell, V Canale, G Bailey, T Sanguensermsri, G M Maniatis, P A Marks, and A Bank
Proc Natl Acad Sci U S A. 1975 April; 72(4): 1550–1554.
PMCID: PMC432575
Gross Thermodynamics of Heat Engines in Deep Interior of Earth
George E. Backus
Proc Natl Acad Sci U S A. 1975 April; 72(4): 1555–1558.
PMCID: PMC432576
Source Theory Discussion of Deep Inelastic Scattering with Polarized Particles
Julian Schwinger
Proc Natl Acad Sci U S A. 1975 April; 72(4): 1559–1563.
PMCID: PMC432577
Identification of cardiac beta-adrenergic receptors by (minus) [3H]alprenolol binding.
R W Alexander, L T Williams, and R J Lefkowitz
Proc Natl Acad Sci U S A. 1975 April; 72(4): 1564–1568.
PMCID: PMC432578
RNA of replication-defective strains of Rous sarcoma virus.
P H Duesberg, S Kawai, L H Wang, P K Vogt, H M Murphy, and H Hanafusa
Proc Natl Acad Sci U S A. 1975 April; 72(4): 1569–1573.
PMCID: PMC432579
Induction of maturation (meiosis) in Xenopus laevis oocytes by three organomercurials.
J Brachet, E Baltus, A De Schutter-Pays, J Hanocq-Quertier, E Hubert, and G Steinert
Proc Natl Acad Sci U S A. 1975 April; 72(4): 1574–1578.
PMCID: PMC432580
Modulation of lymphocyte receptor mobility by locally bound concanavalin A.
I Yahara and G M Edelman
Proc Natl Acad Sci U S A. 1975 April; 72(4): 1579–1583.
PMCID: PMC432581
Induction of growth in resting fibroblastic cell cultures by Ca++.
R Dulbecco and J Elkington
Proc Natl Acad Sci U S A. 1975 April; 72(4): 1584–1588.
PMCID: PMC432582
Highly asymmetric transcription by RNA polymerase containing phage-SP01-induced polypeptides and a new host protein.
J Pero, J Nelson, and T D Fox
Proc Natl Acad Sci U S A. 1975 April; 72(4): 1589–1593.
PMCID: PMC432583
Immunological and chemical purity of papain-solubilized HL-A antigens.
P Parham, C Terhorst, H Herrmann, R E Humphreys, M D Waterfield, and J L Strominger
Proc Natl Acad Sci U S A. 1975 April; 72(4): 1594–1598.
PMCID: PMC432584
Nuclear magnetic resonance spectroscopy: reinvestigation of carbon-13 spin-lattice relaxation time measurements of amino acids.
H Pearson, D Gust, I M Armitage, H Huber, J D Roberts, R E Stark, R R Vold, and R L Vold
Proc Natl Acad Sci U S A. 1975 April; 72(4): 1599–1601.
PMCID: PMC432585
Moments for sum of an arbitrary function of gene frequency along a stochastic path of gene frequency change.
T Maruyama and M Kimura
Proc Natl Acad Sci U S A. 1975 April; 72(4): 1602–1604.
PMCID: PMC432586
T antigen binds to simian virus 40 DNA at the origin of replication.
S I Reed, J Ferguson, R W Davis, and G R Stark
Proc Natl Acad Sci U S A. 1975 April; 72(4): 1605–1609.
PMCID: PMC432587
Interaction of glyoxal and methylglyoxal with biogenic amines.
A Szent-Györgyi and J A McLaughlin
Proc Natl Acad Sci U S A. 1975 April; 72(4): 1610–1611.
PMCID: PMC432588
Evolutionary relationship between immunoglobulins and transplantation antigens.
P A Peterson, L Rask, K Sege, L Klareskog, H Anundi, and L Ostberg
Proc Natl Acad Sci U S A. 1975 April; 72(4): 1612–1616.
PMCID: PMC432589
Beta-cyanoalanine synthase: purification and characterization.
T N Akopyan, A E Braunstein, and E V Goryachenkova
Proc Natl Acad Sci U S A. 1975 April; 72(4): 1617–1621.
PMCID: PMC432590
Cytotoxic effector cells specific for B Cell lines transformed by Epstein-Barr virus are present in patients with infectious mononucleosis.
E Svedmyr and M Jondal
Proc Natl Acad Sci U S A. 1975 April; 72(4): 1622–1626.
PMCID: PMC432591
On Some Periodic Toda Lattices
M. Kac and Pierre Van Moerbeke
Proc Natl Acad Sci U S A. 1975 April; 72(4): 1627–1629.
PMCID: PMC432592
Purine metabolism in murine virus-induced erythroleukemic cells during differentiation in vitro.
G H Reem and C Friend
Proc Natl Acad Sci U S A. 1975 April; 72(4): 1630–1634.
PMCID: PMC432593
Functional intermediates in reaction of cytochrome oxidase with oxygen.
B Chance, C Saronio, and J S Leigh, Jr
Proc Natl Acad Sci U S A. 1975 April; 72(4): 1635–1640.
PMCID: PMC432594
Biologic and antigenic similarity of virus-induced migration inhibition factor to conventional, lymphocyte-derived migration inhibition factor.
T Yoshida, P Bigazzi, and S Cohen
Proc Natl Acad Sci U S A. 1975 April; 72(4): 1641–1644.
PMCID: PMC432595
Correction
Methylated nucleotides block 5′-terminus of vaccinia virus messenger RNA
Proc Natl Acad Sci U S A. 1975 April; 72(4): 1645.
PMCID: PMC432596
Corrects: C M Wei, et al. Methylated nucleotides block 5'-terminus of vaccinia virus messenger RNA. Proc Natl Acad Sci U S A. 1975 January; 72(1): 318–322.
Journal Matter
Original table of contents page
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