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Volume 73(6);  June 1976
The cover of the journal
A van der Waals-type equation of state for fluids with associating molecules
Robert A. Heidemann and J. M. Prausnitz
Proc Natl Acad Sci U S A. 1976 June; 73(6): 1773–1776.
PMCID: PMC430386
Screening by negative chemical ionization mass spectrometry for environmental contamination with toxic residues: Application to human urines.
R C Dougherty and K Piotrowska
Proc Natl Acad Sci U S A. 1976 June; 73(6): 1777–1781.
PMCID: PMC430387
Conformation of uncomplexed [Phe4, Val6] antamanide crystallized from nonpolar solvents.
I L Karle, J Karle, T Wieland, W Burgermeister, and B Witkop
Proc Natl Acad Sci U S A. 1976 June; 73(6): 1782–1785.
PMCID: PMC430388
Structural and kinetic studies of lasalocid A (X537A) and its silver, sodium, and barium salts in nonpolar solvents.
D J Patel and C Shen
Proc Natl Acad Sci U S A. 1976 June; 73(6): 1786–1790.
PMCID: PMC430389
New proposal for structure of special-pair chlorophyll
Lester L. Shipman, Therese M. Cotton, James R. Norris, and Joseph J. Katz
Proc Natl Acad Sci U S A. 1976 June; 73(6): 1791–1794.
PMCID: PMC430390
High dimensional cohomology of discrete groups
Kenneth S. Brown
Proc Natl Acad Sci U S A. 1976 June; 73(6): 1795–1797.
PMCID: PMC430391
On vector-valued asymptotic martingales
Alexandra Bellow
Proc Natl Acad Sci U S A. 1976 June; 73(6): 1798–1799.
PMCID: PMC430392
Conjugate points on a limiting extremal
Marston Morse
Proc Natl Acad Sci U S A. 1976 June; 73(6): 1800–1801.
PMCID: PMC430393
Kinetic theory and ergodic properties
I. Prigogine, A. P. Grecos, and Cl. George
Proc Natl Acad Sci U S A. 1976 June; 73(6): 1802–1805.
PMCID: PMC430394
Localization of acetylcholine receptors during synaptogenesis in retina.
Z Vogel and M Nirenberg
Proc Natl Acad Sci U S A. 1976 June; 73(6): 1806–1810.
PMCID: PMC430395
Unequal accumulation of alpha- and beta-globin mRNA in erythropoietic mouse spleen.
T C Cheng and H H Kazazian, Jr
Proc Natl Acad Sci U S A. 1976 June; 73(6): 1811–1815.
PMCID: PMC430396
Altered penicillin-binding components in penicillin-resistant mutants of Bacillus subtilis.
C E Buchanan and J L Strominger
Proc Natl Acad Sci U S A. 1976 June; 73(6): 1816–1820.
PMCID: PMC430397
Opioid activity of a peptide, beta-lipotropin-(61-91), derived from beta-lipotropin.
B M Cox, A Goldstein, and C H Hi
Proc Natl Acad Sci U S A. 1976 June; 73(6): 1821–1823.
PMCID: PMC430398
Alteration of polynucleotide secondary structure by ribosomal protein S1.
D G Bear, R Ng, D Van Derveer, N P Johnson, G Thomas, T Schleich, and H F Noller
Proc Natl Acad Sci U S A. 1976 June; 73(6): 1824–1828.
PMCID: PMC430399
Interrelationships between Ca2+ and adenylate and guanylate cyclases in the control of platelet secretion and aggregation.
G A Rodan and M B Feinstein
Proc Natl Acad Sci U S A. 1976 June; 73(6): 1829–1833.
PMCID: PMC430400
Poliovirus-induced inhibition of polypeptide initiation in vitro on native polyribosomes.
Y Kaufmann, E Goldstein, and S Penman
Proc Natl Acad Sci U S A. 1976 June; 73(6): 1834–1838.
PMCID: PMC430401
Ribosomal proteins of Escherichia coli that stimulate stringent-factor-mediated pyrophosphoryl transfer in vitro.
L Christiansen and K H Neirhaus
Proc Natl Acad Sci U S A. 1976 June; 73(6): 1839–1843.
PMCID: PMC430402
Crystalline semisynthetic ribonuclease-S'.
M Pandin, E A Padlan, C DiBello, and I M Chaiken
Proc Natl Acad Sci U S A. 1976 June; 73(6): 1844–1847.
PMCID: PMC430403
Amino acid sequence at the FdUMP binding site of thymidylate synthetase.
R L Bellisario, G F Maley, J H Galivan, and F Maley
Proc Natl Acad Sci U S A. 1976 June; 73(6): 1848–1852.
PMCID: PMC430404
Guanidine-unfolded state of ribonuclease A contains both fast- and slow-refolding species.
J R Garel, B T Nall, and R L Baldwin
Proc Natl Acad Sci U S A. 1976 June; 73(6): 1853–1857.
PMCID: PMC430405
Induction of a protein inhibitor to ornithine decarboxylase by the end products of its reaction.
J S Heller, W F Fong, and E S Canellakis
Proc Natl Acad Sci U S A. 1976 June; 73(6): 1858–1862.
PMCID: PMC430406
Synthesis of yeast histones in the cell cycle.
R Moll and E Wintersberger
Proc Natl Acad Sci U S A. 1976 June; 73(6): 1863–1867.
PMCID: PMC430407
Combined effects of dissociable and undissociable local anesthetics upon ATP-induced firefly bioluminescence.
H Kamaya, I Ueda, and H Eyring
Proc Natl Acad Sci U S A. 1976 June; 73(6): 1868–1871.
PMCID: PMC430408
Structure of the prosthetic group of Klebsiella aerogenes citrate (pro-3S)-lyase.
J B Robinson, Jr, M Singh, and P A Srere
Proc Natl Acad Sci U S A. 1976 June; 73(6): 1872–1876.
PMCID: PMC430409
Protein-protein interaction in transport: periplasmic histidine-binding protein J interacts with P protein.
G F Ames and E N Spurich
Proc Natl Acad Sci U S A. 1976 June; 73(6): 1877–1881.
PMCID: PMC430410
Morphogenesis of the bacterial division septum: a new class of septation-defective mutants.
R A Weigand, K D Vinci, and L I Rothfield
Proc Natl Acad Sci U S A. 1976 June; 73(6): 1882–1886.
PMCID: PMC430411
DNA synthesis in vitro dependent upon phiX174 replicative form I DNA.
C Sumida-Yasumoto, A Yudelevich, and J Hurwitz
Proc Natl Acad Sci U S A. 1976 June; 73(6): 1887–1891.
PMCID: PMC430412
The electrochemical gradient of protons and its relationship to active transport in Escherichia coli membrane vesicles.
S Ramos, S Schuldiner, and H R Kaback
Proc Natl Acad Sci U S A. 1976 June; 73(6): 1892–1896.
PMCID: PMC430413
Solenoidal model for superstructure in chromatin.
J T Finch and A Klug
Proc Natl Acad Sci U S A. 1976 June; 73(6): 1897–1901.
PMCID: PMC430414
Amino-acid sequence of tropomyosin-binding component of rabbit skeletal muscle troponin.
J R Pearlstone, M R Carpenter, P Johnson, and L B Smillie
Proc Natl Acad Sci U S A. 1976 June; 73(6): 1902–1906.
PMCID: PMC430415
Sodium-stimulated alpha-aminoisobutyric acid transport by membrane vesicles from simian virus-transformed mouse cells.
R T Hamilton and M Nilsen-Hamilton
Proc Natl Acad Sci U S A. 1976 June; 73(6): 1907–1911.
PMCID: PMC430416
Ribonuclease P substrate specificity: cleavage of a bacteriophage phi80-induced RNA.
A L Bothwell, B C Stark, and S Altman
Proc Natl Acad Sci U S A. 1976 June; 73(6): 1912–1916.
PMCID: PMC430417
Cyanobacterial DNA-binding protein related to Escherichia coli HU.
R Haselkorn and J Rouvière-Yaniv
Proc Natl Acad Sci U S A. 1976 June; 73(6): 1917–1920.
PMCID: PMC430418
Affinity label for beta-adrenergic receptor in turkey erythrocytes.
D Atlas, M L Steer, and A Levitzki
Proc Natl Acad Sci U S A. 1976 June; 73(6): 1921–1925.
PMCID: PMC430419
Extracytoplasmic adenylate cyclase of Bordetella pertussis.
E L Hewlett, M A Urban, C R Manclark, and J Wolff
Proc Natl Acad Sci U S A. 1976 June; 73(6): 1926–1930.
PMCID: PMC430420
Regulation of viral transciption and tumor antigen expression in cells transformed by simian virus 40.
C Basilico and D Zouzias
Proc Natl Acad Sci U S A. 1976 June; 73(6): 1931–1935.
PMCID: PMC430421
Sequential translation of nonstructural proteins in cells infected with a Semliki Forest virus mutant.
B E Lachmi and L Kääriäinen
Proc Natl Acad Sci U S A. 1976 June; 73(6): 1936–1940.
PMCID: PMC430422
Homologous inhibitors from potato tubers of serine endopeptidases and metallocarboxypeptidases.
C M Hass, R Venkatakrishnan, and C A Ryan
Proc Natl Acad Sci U S A. 1976 June; 73(6): 1941–1944.
PMCID: PMC430423
Structure of a nicked DNA-protein complex isolated from simian virus 40: covalent attachment of the protein to DNA and nick specificity.
H Kasamatsu and M Wu
Proc Natl Acad Sci U S A. 1976 June; 73(6): 1945–1949.
PMCID: PMC430424
Cooperative interactions of tetrahydrofolate with purified pig kidney serine transhydroxymethylase and loss of this cooperativity in L1210 tumors and in tissues of mice bearing these tumors.
P M Kumar, J A North, J H Mangum, and N A Rao
Proc Natl Acad Sci U S A. 1976 June; 73(6): 1950–1953.
PMCID: PMC430425
Acceptor proteins in rat androgenic tissue chromatin.
L Klyzsejko-Stefanowicz, J F Chiu, Y H Tsai, and L S Hnilica
Proc Natl Acad Sci U S A. 1976 June; 73(6): 1954–1958.
PMCID: PMC430426
Isolation and characterization of conditional lethal mutants of Escherichia coli defective in transcription termination factor rho.
A Das, D Court, and S Adhya
Proc Natl Acad Sci U S A. 1976 June; 73(6): 1959–1963.
PMCID: PMC430427
Cell-free synthesis of rat preproinsulins: characterization and partial amino acid sequence determination.
S J Chan, P Keim, and D F Steiner
Proc Natl Acad Sci U S A. 1976 June; 73(6): 1964–1968.
PMCID: PMC430428
Responses of Phycomyces indicating optical excitation of the lowest triplet state of riboflavin.
M Delbrück, A Katzir, and D Presti
Proc Natl Acad Sci U S A. 1976 June; 73(6): 1969–1973.
PMCID: PMC430429
Conformational flexibility and protein folding: rigid structural fragments connected by flexible joints in subtilisin BPN.
B Honig, A Ray, and C Levinthal
Proc Natl Acad Sci U S A. 1976 June; 73(6): 1974–1978.
PMCID: PMC430430
Observation of individual carboxyl groups in hen egg-white lysozyme by use of high field 13C-nuclear magnetic resonance.
H Shindo and J S Cohen
Proc Natl Acad Sci U S A. 1976 June; 73(6): 1979–1983.
PMCID: PMC430431
Transcriptional origin of Euglena chloroplast tRNAs
Steven D. Schwartzbach, Lanny I. Hecker, and W. Edgar Barnett
Proc Natl Acad Sci U S A. 1976 June; 73(6): 1984–1988.
PMCID: PMC430432
Phenotypic transformation of clonal myogenic cells to cells resembling chondrocytes.
D Schubert and M Lacorbiere
Proc Natl Acad Sci U S A. 1976 June; 73(6): 1989–1993.
PMCID: PMC430433
Size of primary transcripts in Ehrlich ascites cells as measured by tetraphosphate determination.
C D Schmincke, K Herrmann, and P Hausen
Proc Natl Acad Sci U S A. 1976 June; 73(6): 1994–1998.
PMCID: PMC430434
Sensitivity of calcium binding in cerebral tissue to weak environmental electric fields oscillating at low frequency.
S M Bawin and W R Adey
Proc Natl Acad Sci U S A. 1976 June; 73(6): 1999–2003.
PMCID: PMC430435
In vitro derived mouse A9 cell clones differing in malignancy: analysis by somatic cell hybridization with YACIR lymphoma cell clones.
G B Clements, E M Fenyö, and G Klein
Proc Natl Acad Sci U S A. 1976 June; 73(6): 2004–2007.
PMCID: PMC430436
Ontogeny of murine B lymphocytes: sequence of B-cell differentiation from surface-immunoglobulin-negative precursors to plasma cells.
U Hämmerling, A F Chin, and J Abbott
Proc Natl Acad Sci U S A. 1976 June; 73(6): 2008–2012.
PMCID: PMC430437
Affinity isolation of cultured tumor cells by means of drugs and hormones covalently bound to glass and Sepharose beads.
B R Venter, J C Venter, and N O Kaplan
Proc Natl Acad Sci U S A. 1976 June; 73(6): 2013–2017.
PMCID: PMC430438
Protein synthesis and actin heterogeneity in calf muscle cells in culture.
R G Whalen, G S Butler-Browne, and F Gros
Proc Natl Acad Sci U S A. 1976 June; 73(6): 2018–2022.
PMCID: PMC430439
Selenium is an essential trace nutrient for growth of WI-38 diploid human fibroblasts.
W L McKeehan, W G Hamilton, and R G Ham
Proc Natl Acad Sci U S A. 1976 June; 73(6): 2023–2027.
PMCID: PMC430440
Induction of maturation (meiosis) in small Xenopus laevis oocytes by injection of maturation promoting factor.
J Hanocq-Quertier, E Baltus, and J Brachet
Proc Natl Acad Sci U S A. 1976 June; 73(6): 2028–2032.
PMCID: PMC430441
Stimulation of fetal hemoglobin synthesis in bone marrow cultures from adult individuals.
T H Papayannopoulou, M Brice, and G Stamatoyannopoulos
Proc Natl Acad Sci U S A. 1976 June; 73(6): 2033–2037.
PMCID: PMC430442
Locations of chromosomal proteins in polytene chromosomes.
C R Alfageme, G T Rudkin, and L H Cohen
Proc Natl Acad Sci U S A. 1976 June; 73(6): 2038–2042.
PMCID: PMC430443
A fatty acyl-CoA oxidizing system in rat liver peroxisomes; enhancement by clofibrate, a hypolipidemic drug.
P B Lazarow and C De Duve
Proc Natl Acad Sci U S A. 1976 June; 73(6): 2043–2046.
PMCID: PMC430444
Temperature-sensitive changes in surface modulating assemblies of fibroblasts transformed by mutants of Rous sarcoma virus.
G M Edelman and I Yahara
Proc Natl Acad Sci U S A. 1976 June; 73(6): 2047–2051.
PMCID: PMC430445
Release by human chromosome 3 of the block at G1 of the cell cycle, in hybrids between tsAF8 hamster and human cells.
P M Ming, H L Chang, and R Baserga
Proc Natl Acad Sci U S A. 1976 June; 73(6): 2052–2055.
PMCID: PMC430446
Clonal variation in albumin messenger RNA activity in hepatoma cells.
J A Peterson
Proc Natl Acad Sci U S A. 1976 June; 73(6): 2056–2060.
PMCID: PMC430447
A chromosomal gene required for killer plasmid expression, mating, and spore maturation in Saccharomyces cerevisiae.
M J Leibowitz and R B Wickner
Proc Natl Acad Sci U S A. 1976 June; 73(6): 2061–2065.
PMCID: PMC430448
Immunologic evidence that the gene for L-gulono-gamma-lactone oxidase is not expressed in animals subject to scurvy.
M Nishikimi and S Udenfriend
Proc Natl Acad Sci U S A. 1976 June; 73(6): 2066–2068.
PMCID: PMC430449
Mapping of adenovirus messenger RNA by electron microscopy.
H Westphal, J Meyer, and J V Maizel, Jr
Proc Natl Acad Sci U S A. 1976 June; 73(6): 2069–2071.
PMCID: PMC430450
Characterization of 2-mum DNA of Saccharomyces cerevisiae by restriction fragment analysis and integration in an Escherichia coli plasmid.
C P Hollenberg, A Degelmann, B Kustermann-Kuhn, and H D Royer
Proc Natl Acad Sci U S A. 1976 June; 73(6): 2072–2076.
PMCID: PMC430451
Heredity of the GIX thymocyte antigen associated with murine leukemia virus: segregation data simulating genetic linkage.
E Stockert, E A Boyse, H Sato, and K Itakura
Proc Natl Acad Sci U S A. 1976 June; 73(6): 2077–2081.
PMCID: PMC430452
Biogenesis of mitochondria: molecular mapping of the mitochondrial genome of yeast.
A W Linnane, H B Lukins, P L Molloy, P Nagley, J Rytka, K S Sriprakash, and M K Trembath
Proc Natl Acad Sci U S A. 1976 June; 73(6): 2082–2085.
PMCID: PMC430453
Rates of evolution in seed plants: Net increase in diversity of chromosome numbers and species numbers through time
D. A. Levin and A. C. Wilson
Proc Natl Acad Sci U S A. 1976 June; 73(6): 2086–2090.
PMCID: PMC430454
Induction if immunological tolerance to the major antigenic determinant of penicillin: a therapeutic approach to penicillin allergy.
N Chiorazzi, Z Eshhar, and D H Katz
Proc Natl Acad Sci U S A. 1976 June; 73(6): 2091–2095.
PMCID: PMC430455
Human and murine phosphorycholine-binding immunoglobulins: conserved subgroup and first hypervariable region of heavy chains.
W F Riesen, D G Braun, and J C Jaton
Proc Natl Acad Sci U S A. 1976 June; 73(6): 2096–2100.
PMCID: PMC430456
Isolation from patients with breast cancer of antibodies specific for antigens associated with breast cancer and other malignant diseases.
Y Gorsky, F Vanky, and D Sulitzeanu
Proc Natl Acad Sci U S A. 1976 June; 73(6): 2101–2105.
PMCID: PMC430457
Rheumatoid factor and tumor-host interaction.
J J Twomey, R D Rossen, V M Lewis, A H Laughter, and C C Douglass
Proc Natl Acad Sci U S A. 1976 June; 73(6): 2106–2108.
PMCID: PMC430458
Size differences among immunoglobulin heavy chains from phosphorylcholine-binding proteins.
S Rudikoff and M Potter
Proc Natl Acad Sci U S A. 1976 June; 73(6): 2109–2112.
PMCID: PMC430459
Primate type-C virus nucleic acid sequences (woolly monkey and baboon types) in tissues from a patient with acute myelogenous leukemia and in viruses isolated from cultured cells of the same patient.
M S Reitz, N R Miller, F Wong-Staal, R E Gallagher, R C Gallo, and D H Gillespie
Proc Natl Acad Sci U S A. 1976 June; 73(6): 2113–2117.
PMCID: PMC430460
Mechanism of human lymphocyte stimulation by concanavalin A: role of valence and surface binding sites.
J R Wands, D K Podolsky, and K J Isselbacher
Proc Natl Acad Sci U S A. 1976 June; 73(6): 2118–2122.
PMCID: PMC430461
Immunological cross-reactivity of antibodies to a synthetic undecapeptide analogous to the amino terminal segment of carcinoembryonic antigen, with the intact protein and with human sera.
R Arnon, M Bustin, E Calef, S Chaitchik, J Haimovich, N Novik, and M Sela
Proc Natl Acad Sci U S A. 1976 June; 73(6): 2123–2127.
PMCID: PMC430462
Soluble dextran-hemoglobin complex as a potential blood substitute.
S C Tam, J Blumenstein, and J T Wong
Proc Natl Acad Sci U S A. 1976 June; 73(6): 2128–2131.
PMCID: PMC430463
Antibodies as a means of isolating and characterizing biologically active substances: presence of a non-peptide, morphine-like compound in the central nervous system.
A R Gintzler, A Levy, and S Spector
Proc Natl Acad Sci U S A. 1976 June; 73(6): 2132–2136.
PMCID: PMC430464
Markedly elevated angiotensin converting enzyme in lymph nodes containing non-necrotizing granulomas in sarcoidosis.
E Silverstein, J Friedland, H A Lyons, and A Gourin
Proc Natl Acad Sci U S A. 1976 June; 73(6): 2137–2141.
PMCID: PMC430465
Mapping of the influenza virus genome: identification of the hemagglutinin and the neuraminidase genes.
P Palese and J L Schulman
Proc Natl Acad Sci U S A. 1976 June; 73(6): 2142–2146.
PMCID: PMC430466
Fusion of protoplasts of Bacillus megaterium.
K Fodor and L Alföldi
Proc Natl Acad Sci U S A. 1976 June; 73(6): 2147–2150.
PMCID: PMC430467
Fusion of bacterial protoplasts.
P Schaeffer, B Cami, and R D Hotchkiss
Proc Natl Acad Sci U S A. 1976 June; 73(6): 2151–2155.
PMCID: PMC430468
beta-Lipotropin as a prohormone for the morphinomimetic peptides endorphins and enkephalins.
L H Lazarus, N Ling, and R Guillemin
Proc Natl Acad Sci U S A. 1976 June; 73(6): 2156–2159.
PMCID: PMC430469
Species-distance relation for birds of the Solomon Archipelago, and the paradox of the great speciators
Jared M. Diamond, Michael E. Gilpin, and Ernst Mayr
Proc Natl Acad Sci U S A. 1976 June; 73(6): 2160–2164.
PMCID: PMC430470
Corrections
Free energy levels and entropy production in muscle contraction and in related solutions systems
Proc Natl Acad Sci U S A. 1976 June; 73(6): 2165.
PMCID: PMC430471
Corrects: T L Hill, et al. Free energy levels and entropy production in muscle contraction and in related solution systems. Proc Natl Acad Sci U S A. 1976 February; 73(2): 336–340.
The mucopolysaccharidoses
Proc Natl Acad Sci U S A. 1976 June; 73(6): 2165.
PMCID: PMC430472
Corrects: A Dorfman, et al. The mucopolysaccharidoses (a review). Proc Natl Acad Sci U S A. 1976 February; 73(2): 630–637.
Journal Matter
Original table of contents page
Administrative content — journal masthead, notices, indexes, etc.
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