This journal provides immediate access to some articles. Volume 58(6); December 1967 N. A. S. Symposium on the Years of the Quiet Sun—IQSY: INTRODUCTORY REMARKS PMCID: PMC223810 N. A. S. Symposium on the Years of the Quiet Sun—IQSY: THE IQSY AND SOLAR-TERRESTRIAL RESEARCH PMCID: PMC223811 N. A. S. Symposium on the Years of the Quiet Sun—IQSY: RADIATIONS FROM THE SUN PMCID: PMC223812 N. A. S. Symposium on the Years of the Quiet Sun—IQSY: PARTICLES AND FIELDS IN THE INTERPLANETARY MEDIUM PMCID: PMC223813 N. A. S. Symposium on the Years of the Quiet Sun—IQSY: PARTICLES AND FIELDS IN THE MAGNETOSPHERE PMCID: PMC223814 N. A. S. Symposium on the Years of the Quiet Sun—IQSY: DEVELOPMENTS IN UPPER ATMOSPHERIC SCIENCE DURING THE IQSY PMCID: PMC223815 MAGNETIC-MOMENT EVIDENCE FOR THE POLYSPHERON STRUCTURE OF THE LIGHTER ATOMIC NUCLEI PMCID: PMC223816 THERMAL COSMIC RADIATION AND THE FORMATION OF PROTOGALAXIES PMCID: PMC223817 PARTLY GENTLE PERTURBATION WITH APPLICATION TO PERTURBATION BY ANNIHILATION-CREATION OPERATORS PMCID: PMC223818 A NONCOMPACT DIRICHLET NORM PMCID: PMC223819 SIGNIFICANT STRUCTURE THEORY OF ISOTOPE EFFECT PMCID: PMC223820 MINIMIZATION OF POLYPEPTIDE ENERGY, III. APPLICATION OF A RAPID ENERGY MINIMIZATION TECHNIQUE TO THE CALCULATION OF PRELIMINARY STRUCTURES OF GRAMICIDIN-S PMCID: PMC223821 SYSTEMATIC ANALYSIS OF CHEMICAL SHIFTS IN THE NUCLEA MAGNETIC RESONANCE SPECTRA OF PEPTIDE CHAINS, I. GLYCINE-CONTAINING DIPEPTIDES PMCID: PMC223822 THE STRUCTURE OF CARBOXYPEPTIDASE A, VI. SOME RESULTS AT 2.0-Å RESOLUTION, AND THE COMPLEX WITH GLYCYL-TYROSINE AT 2.8-Å RESOLUTION PMCID: PMC223823 Separation of the proliferating and differentiating cell populations of cultured embryonic pancreatic epithelium. PMCID: PMC223824 Aminoacyl-sRNA synthetases as possible regulators of protein synthesis in the embryo of the sea urchin Paracentrotus lividus. PMCID: PMC223825 Evidence for sperm dysfunction as the mechanism of segregation distortion in Drosophila melanogaster. PMCID: PMC223826 Bi-ionic action potentials in squid giant axons internally perfused with sodium saltssalts. PMCID: PMC223827 Geometry of carcinogenic polycyclic aromatic hydrocarbons. PMCID: PMC223828 Concentration, quantitation, and identification of hemopoietic stem cells. PMCID: PMC223829 Growth in suckling-mouse brain of "IBV-like" viruses from patients with upper respiratory tract disease. PMCID: PMC223830 Photoreactivation in an established vertebrate cell line. PMCID: PMC223831 RNA polymerase activity in purified infectious vaccinia virus. PMCID: PMC223832 Biosynthetic units of an immunoglobulin heavy chain. PMCID: PMC223833 Affinity labeling of the anionic site of acetylcholinesterase. PMCID: PMC223834 Studies of the mechanism of the hypoglycemic action of 4-pentenoic acid. PMCID: PMC223835 Similarities in the chemical structure of human placental lactogen and pituitary growth hormone. PMCID: PMC223836 Mutants of Escherichia coli permeable to actinomycin. PMCID: PMC223837 Enzymatic synthesis of DNA, XXIV. Synthesis of infectious phage phi-X174 DNA. PMCID: PMC223838 Hydrogen addition radicals of stilbestrol, hexestrol, and benzestrol. PMCID: PMC223839 Nonidentical subunits of bacterial luciferase: their isolation and recombination to form active enzyme. PMCID: PMC223840 Regulation of bacteriophage lambda DNA replication. PMCID: PMC223841 Evidence for a low-molecular-weight collagen precursor. PMCID: PMC223842 Studies on steroid regulation of synthesis of a specific oviduct protein in a new monolayer culture system. PMCID: PMC223843 The localization of spermidine in salivary gland cells of Drosophila melanogaster and its effect on H3-uridine incorporation. PMCID: PMC223844 Multiple-length rings of phi-X-174 replicative form, II. Infectivity. PMCID: PMC223845 Requirement of glucosylated teichoic acid for adsorption of phage in Bacillus subtilis 168. PMCID: PMC223846 The contribution of DNA to translation errors induced by streptomycin in vitro. PMCID: PMC223847 Studies on the structural basis of the interaction of myosin and actin. PMCID: PMC223848 Determination of the number of active muscle ribosomes: effect of diabetes and insulin. PMCID: PMC223849 In vitro stability of phage messenger ribonucleic acid. PMCID: PMC223850 The lac operator is DNA. PMCID: PMC223851 Studies on cell-free synthesis of rat immunoglobulins, II. Synthesis of immunoglobulin and of antibody to the dinitrophenyl hapten. PMCID: PMC223852 Structure and function of E. coli ribosomes, IV. Isolation and characterization of functionally active ribosomal proteins. PMCID: PMC223853 Chromatographic differences between tyrosyl transfer RNA from different mammalian cells. PMCID: PMC223854 The photoreduction of spinach ferredoxin in the presence of porphyrin and an electron donor. PMCID: PMC223855 Pretransition-state protonation and the rate of chymotrypsin catalysis. PMCID: PMC223856 Studies on polynucleotides, LXXXIV. On the role of ribosomal subunits in protein synthesis. PMCID: PMC223857 Dimethyl sulfoxide: activation of lysosomes in vitro. PMCID: PMC223858 Polymerization of nucleoside diphosphate with a manganese-dependent enzyme from Escherichia coli Q13. PMCID: PMC223859 Conformational studies on the membrane protein of sarcotubular vesicles. PMCID: PMC223860 Addendum: concerning the mechanism of formation of UV-induced thymine photoproducts in DNA. PMCID: PMC223861 Corrections Interrelations between Hepatic Fatty Acid Oxidation and Gluconeogenesis: A Possible Regulatory Role of Carnitine Palmityltransferase PMCID: PMC223862 Corrects: Interrelations between hepatic fatty acid oxidation and gluconeogenesis: a possible regulatory role of carnitine palmityltransferase. Proc Natl Acad Sci U S A. 1967 August; 58(2): 790–797. Electron Paramagnetic Resonance of Heme at Intermediate Oxidation States of Cytochrome c Oxidase PMCID: PMC223863 Corrects: Electron paramagnetic resonance of heme at intermediate oxidation states of cytochrome c oxidase. Proc Natl Acad Sci U S A. 1967 September; 58(3): 1073–1079. Journal Matter Original table of contents page Administrative content — journal masthead, notices, indexes, etc. | ||