This journal provides immediate access to some articles. Volume 74(12); December 1977 On subthreshold solutions of the Hodgkin-Huxley equations. PMCID: PMC431652 Chemical compositions of Magellanic Clouds' HII regions based on photoelectric spectrophotometry PMCID: PMC431653 Netropsin-poly(dA-dT) complex in solution: structure and dynamics of antibiotic-free base pair regions and those centered on bound netropsin. PMCID: PMC431654 Time-resolved resonance Raman spectroscopy of bacteriorhodopsin on the millisecond timescale. PMCID: PMC431655 13C nuclear magnetic resonance study of five- and six-coordinated carbon in nonclassical organometallic compounds: Dimeric trialkyl-, tricyclopropyl-, and triarylaluminums and some nido and closo carboranes PMCID: PMC431656 Light-regulated permeability of rhodopsin:egg phosphatidylcholine recombinant membranes. PMCID: PMC431657 "Viral" expansion of enzyme flux and use of quasi-chemical approximation for two-state enzymes with enzyme-enzyme interactions. PMCID: PMC431658 Dependence of the rates of dissolution of the Fe4S4 clusters of Chromatium vinosum high-potential iron protein and ferredoxin on cluster oxidation state PMCID: PMC431659 Structure of transition-metal cluster compounds: Use of an additional orbital resulting from the f, g character of spd bond orbitals PMCID: PMC431661 Transition state structures of a dipeptide related to the mode of action of beta-lactam antibiotics. PMCID: PMC431663 Structure of cytochrome c555 of Chlorobium thiosulfatophilum: primitive low-potential cytochrome c. PMCID: PMC431664 Hydrophobicity, hydrophilicity, and the radial and orientational distributions of residues in native proteins. PMCID: PMC431666 A reducibility criterion for generalized principal series PMCID: PMC431668 Minimal coupling and the symplectic mechanics of a classical particle in the presence of a Yang-Mills field PMCID: PMC431670 Production of a functional eukaryotic enzyme in Escherichia coli: cloning and expression of the yeast structural gene for imidazole-glycerolphosphate dehydratase (his3). PMCID: PMC431671 Activation of factor IX by the reaction product of tissue factor and factor VII: additional pathway for initiating blood coagulation. PMCID: PMC431674 Origin of replication of pBR345 plasmid DNA. PMCID: PMC431677 Moloney leukemia virus-induced cell surface antigen: Detection and characterization in sodium dodecyl sulfate gels PMCID: PMC431679 Protein X is the product of the recA gene of Escherichia coli. PMCID: PMC431681 Identification of the recA (tif) gene product of Escherichia coli PMCID: PMC431684 Identification of the major adducts formed by reaction of benzo(a)pyrene diol epoxide with DNA in vitro. PMCID: PMC431688 Probing of β-adrenergic receptors by novel fluorescent β-adrenergic blockers PMCID: PMC431689 Evidence for control of serotonin secretion from human platelets by hydroxyl ion transport and osmotic lysis. PMCID: PMC431691 Characterization of a common precursor to corticotropin and beta-lipotropin: identification of beta-lipotropin peptides and their arrangement relative to corticotropin in the precursor synthesized in a cell-free system. PMCID: PMC431693 Phage T4-modified RNA polymerase transcribes T4 late genes in vitro. PMCID: PMC431695 2'-Deoxy-2'-azidocytidine inhibits the initiation of polyoma DNA synthesis. PMCID: PMC431697 Experimental evidence for a kinetic and electrochemical memory in enzyme membranes. PMCID: PMC431699 Biosynthesis of the covalently linked diglyceride in murein lipoprotein of Escherichia coli. PMCID: PMC431701 5'-Terminal sequences and coding region of late simian virus 40 mRNAs are derived from noncontiguous segments of the viral genome. PMCID: PMC431702 Renaturation of complementary single-stranded DNA circles: complete rewinding facilitated by the DNA untwisting enzyme. PMCID: PMC431704 Spatial requirement for coupling of iodotyrosine residues to form thyroid hormones. PMCID: PMC431707 An internal deletion mutant of a myosin heavy chain in Caenorhabditis elegans. PMCID: PMC431709 Identification of transmembrane bridging proteins in the plasma membrane of cultured mouse L cells. PMCID: PMC431711 The 5'-terminal structures of poliovirion RNA and poliovirus mRNA differ only in the genome-linked protein VPg. PMCID: PMC431713 Method for detection of specific RNAs in agarose gels by transfer to diazobenzyloxymethyl-paper and hybridization with DNA probes. PMCID: PMC431715 Asymmetric binding of the inhibitor di(adenosine-5′) pentaphosphate (Ap5A) to adenylate kinase PMCID: PMC431717 Lipoprotein lipase cofactor activity of a carboxyl-terminal peptide of apolipoprotein C-II. PMCID: PMC431719 Cloning of the silk fibroin gene and its flanking sequences. PMCID: PMC431721 Regulation of proline oxidase activity by lactate. PMCID: PMC431723 Guanosinetriphosphatase activity of tubulin associated with microtubule assembly. PMCID: PMC431725 Chemical evidence that proteolytic cleavage causes the heterogeneity present in human ceruloplasmin preparations. PMCID: PMC431726 Retinoic acid (vitamin A acid) induced transcriptional control of interferon production. PMCID: PMC431728 mRNA-dependent in vitro synthesis of ribosomal proteins L12 and L10 and elongation factor Tu. PMCID: PMC431730 Developmental control of messenger RNA for hepatic tryptophan 2,3-dioxygenase PMCID: PMC431732 Distribution of rat liver albumin mRNA membrane-bound and free in polyribosomes as determined by molecular hybridization PMCID: PMC431734 Sites of transcription initiation in vivo on Xenopus laevis ribosomal DNA PMCID: PMC431736 Defects of glycosyltransferase activities in human fibroblasts of Pk and p blood group phenotypes. PMCID: PMC431739 Use of gene fusions to study outer membrane protein localization in Escherichia coli. PMCID: PMC431741 Regulation of synthesis and activity of a mutant RNA polymerase in Escherichia coli. PMCID: PMC431744 High resolution two-dimensional electrophoresis of human plasma proteins. PMCID: PMC431746 Orientation of bacteriorhodopsin in Halobacterium halobium as studied by selective proteolysis PMCID: PMC431748 Oligopeptides as potential antiaggregation agents for deoxyhemoglobin S. PMCID: PMC431750 Deuterium magnetic resonance studies of the interaction of lipids with membrane proteins. PMCID: PMC431752 Transfer of ADP-ribose from NAD to choleragen: a subunit acts as catalyst and acceptor protein. PMCID: PMC431754 Characterization of early simian virus 40 transcriptional complexes: late transcription in the absence of detectable DNA replication. PMCID: PMC431756 The bicistronic nature of lens alpha-crystallin 14S mRNA. PMCID: PMC431759 Nucleotide sequence of a mutant eukaryotic gene: the yeast tyrosine-inserting ochre suppressor SUP4-o. PMCID: PMC431761 Cloning and mapping of the replication origin of Escherichia coli. PMCID: PMC431763 DNA sequencing with chain-terminating inhibitors PMCID: PMC431765 Molybdenum cofactors from molybdoenzymes and in vitro reconstitution of nitrogenase and nitrate reductase PMCID: PMC431767 Thermosensitive mutation in Escherichia coli simultaneously causing defects in penicillin-binding protein-1Bs and in enzyme activity for peptidoglycan synthesis in vitro. PMCID: PMC431769 Hepatic mitochondrial cytochrome P-450: Isolation and functional characterization PMCID: PMC431771 Two distinct adenosine-sensitive sites on adenylate cyclase. PMCID: PMC431772 Maize chloroplast DNA fragment encoding the large subunit of ribulosebisphosphate carboxylase PMCID: PMC431774 Presence of protein A24 in rat liver nucleosomes. PMCID: PMC431777 Codon specificity of UGA suppressor tRNATrp from Escherichia coli. PMCID: PMC431778 Alternative aspirins as antisickling agents: acetyl-3,5-dibromosalicylic acid. PMCID: PMC431780 Nucleotide sequence of 5' terminus of alfalfa mosaic virus RNA 4 leading into coat protein cistron. PMCID: PMC431782 Initiation of polypeptide synthesis with various NH2-blocked aminoacyl-tRNAs under the direction of alfalfa mosaic virus RNA 4. PMCID: PMC431784 New method for localizing proteins in periodic structures: Fab fragment labeling combined with image processing of electron micrographs. PMCID: PMC431787 Histone H3 disulfide dimers and nucleosome structure. PMCID: PMC431789 Muscarinic acetylcholine receptors of the developing retina. PMCID: PMC431792 In vitro degradation of guanosine 5'-diphosphate, 3'-diphosphate. PMCID: PMC431794 Reversible and irreversible inhibition by anesthetics of the calcium-induced luminescence of aequorin. PMCID: PMC431796 Electron microscopy of fibers and discs of hemoglobin S having sixfold symmetry PMCID: PMC431798 Random walk analysis of potassium fluxes associated with nerve impulses. PMCID: PMC431800 Contrast variation study of specifically deuterated Escherichia coli ribosomal subunits. PMCID: PMC431802 31P nuclear magnetic resonance measurements of ATPase kinetics in aerobic Escherichia coli cells. PMCID: PMC431804 Genetic dissection of the control of normal differentiation in myeloid leukemic cells PMCID: PMC431806 Nerve growth factor prevents vinblastine destructive effects on sympathetic ganglia in newborn mice. PMCID: PMC431807 Mosaic mice with teratocarcinoma-derived mutant cells deficient in hypoxanthine phosphoribosyltransferase PMCID: PMC431809 Angiotensin stimulation of bovine adrenocortical cell growth. PMCID: PMC431812 Evidence that pyrimidine dimers in DNA can give rise to tumors. PMCID: PMC431814 DNA degradation in terminally differentiating lens fiber cells from chick embryos. PMCID: PMC431816 Antibody-induced linkages of plasma membrane proteins to intracellular actomyosin-containing filaments in cultured fibroblasts. PMCID: PMC431818 Transitions in collagen types during matrix-induced cartilage, bone, and bone marrow formation. PMCID: PMC431820 Stimulation of sugar uptake and thymidine incorporation in mouse 3T3 cells by calcium phosphate and other extracellular particles. PMCID: PMC431821 Post-translational cleavage of presecretory proteins with an extract of rough microsomes from dog pancreas containing signal peptidase activity. PMCID: PMC431824 Liposome--lymphocyte interaction: saturable sites for transfer and intracellular release of liposome contents. PMCID: PMC431826 Feline oncornavirus-associated cell membrane antigen: evidence for an immunologically crossreactive feline sarcoma virus-coded protein. PMCID: PMC431829 Phalloidin-induced actin polymerization in the cytoplasm of cultured cells interferes with cell locomotion and growth PMCID: PMC431831 Molecular evolution of human and rabbit beta-globin mRNAs. PMCID: PMC431834 Controlling element-induced alterations in UDPglucose:flavonoid glucosyltransferase, the enzyme specified by the bronze locus in maize PMCID: PMC431836 Assignment of the human gene for galactose-1-phosphate uridyltransferase to chromosome 9: studies with Chinese hamster-human somatic cell hybrids. PMCID: PMC431837 Isolation and characterization of a lambdapolA transducing phage. PMCID: PMC431839 A pH-conditional mutant of Escherichia coli. PMCID: PMC431841 Increased dexamethasone resistance of cystic fibrosis fibroblasts. PMCID: PMC431842 Design of molecular control mechanisms and the demand for gene expression. PMCID: PMC431845 Variable and constant parts of the immunoglobulin light chain gene of a mouse myeloma cell are 1250 nontranslated bases apart. PMCID: PMC431846 Microsurgically produced homozygous-diploid uniparental mice PMCID: PMC431849 Physiological regulation of antigen binding to T cells: role of a soluble macrophage factor and of interferon. PMCID: PMC431851 Ly phenotype of T cells cytotoxic for syngeneic mouse mammary tumors: evidence for T cell interactions. PMCID: PMC431854 Interactions of C-reactive protein and complement with liposomes PMCID: PMC431855 Lymphospecific toxicity in adenosine deaminase deficiency and purine nucleoside phosphorylase deficiency: Possible role of nucleoside kinase(s) PMCID: PMC431856 Evidence for a long-range conformational change induced by antigen binding to IgM antibody. PMCID: PMC431857 Antigen-binding mutants of mouse myeloma cells. PMCID: PMC431858 Amino acid sequence of the precursor region of MOPC-315 mouse immunoglobulin heavy chain. PMCID: PMC431859 Antagonism of histamine-activated adenylate cyclase in brain by D-lysergic acid diethylamide. PMCID: PMC431860 Cultured aortic endothelial cells from pigs with von Willebrand disease: in vitro model for studying the molecular defect(s) of the disease. PMCID: PMC431861 Heptadecapeptide gastrin in the vagal nerve. PMCID: PMC431862 Unusual pulmonary vasodilator activity of 13,14-dehydroprostacyclin methyl ester: comparison with endoperoxides and other prostanoids. PMCID: PMC431863 Selectivity of action of an antiherpetic agent, 9-(2-hydroxyethoxymethyl)guanine PMCID: PMC431864 Evidence for ovarian “inhibin”: Suppression of the secondary rise in serum follicle stimulating hormone levels in proestrous rats by injection of porcine follicular fluid PMCID: PMC431865 Demonstration of different contractile mechanisms for angiotensin II and des-Asp1-angiotensin II in rabbit aortic strips. PMCID: PMC431866 Mapping of human chromosomal regions related to neoplasia: Evidence from chromosomes 1 and 17 PMCID: PMC431867 Endogenous New World primate retrovirus: interspecies antigenic determinants shared with the major structural protein of type-D RNA viruses of Old World monkeys. PMCID: PMC431868 Interspecies radioimmunoassay for the major structural proteins of primate type-D retroviruses. PMCID: PMC431869 Molecular basis of reovirus virulence: Role of the S1 gene PMCID: PMC431870 Neurophysiological and behavioral evidence for selective reinnervation in skin-grafted Rana pipiens PMCID: PMC431871 Histrionicotoxin enhances agonist-induced desensitization of acetylcholine receptor. PMCID: PMC431872 Effect of increased potassium concentrations on particle motion within a neurosecretory structure. PMCID: PMC431873 Opiate receptor: cooperativity of binding observed in brain slices. PMCID: PMC431874 Determination of transmitter function by neuronal activity PMCID: PMC431875 Generalizing Fisher's “reproductive value”: Nonlinear, homogeneous, biparental systems PMCID: PMC431876 Corrections Assignment of the major histocompatibility complex to a region of the short arm of human chromosome 6 PMCID: PMC431877 Corrects: Assignment of the major histocompatibility complex to a region of the short arm of human chromosome 6. Proc Natl Acad Sci U S A. 1977 March; 74(3): 1147–1151. Transfer of codominant markers by isolated metaphase chromosomes in Chinese hamster ovary cells PMCID: PMC431878 Corrects: Transfer of codominant markers by isolated metaphase chromosomes in Chinese hamster ovary cells. Proc Natl Acad Sci U S A. 1977 August; 74(8): 3480–3484. Neurotensin: Immunohistochemical localization in rat central nervous system PMCID: PMC431879 Corrects: Neurotensin: immunohistochemical localization in rat central nervous system. Proc Natl Acad Sci U S A. 1977 September; 74(9): 4059–4063. Classification of methanogenic bacteria by 16S ribosomal RNA characterization PMCID: PMC431880 Corrects: Classification of methanogenic bacteria by 16S ribosomal RNA characterization. Proc Natl Acad Sci U S A. 1977 October; 74(10): 4537–4541. Ionophores stimulate prostaglandin and thromboxane biosynthesis PMCID: PMC431881 Corrects: Ionophores stimulate prostaglandin and thromboxane biosynthesis. Proc Natl Acad Sci U S A. 1977 October; 74(10): 4251–4255. 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