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Science, New Series, Vol. 271, No. 5255, Mar. 15, 1996


Previous Issue: New Series, Vol. 271, No. 5254, Mar. 8, 1996
Next Issue: New Series, Vol. 271, No. 5256, Mar. 22, 1996


Front Matter (24 pp.)
Editorial: Protein Kinesis, p. 1477
Stella M. Hurtley


Letters
Rohrabacher re Gore, p. 1479
Dana Rohrabacher
AIDS and Ethnicity, pp. 1479-1481
Mike Males; Seamus McMillan; Philip S. Rosenberg
Climate Change Report, pp. 1481-1483
T. M. L. Wigley; S. Fred Singer
Space Research, p. 1483
Dietrich Müller


ScienceScope, p. 1485
Andrew Lawler


News and Comment
A Fleet Too Good to Afford?, pp. 1486-1488
Jeffrey Mervis
Study Inflames Ward Valley Controversy, pp. 1488-1489
Jonathan Weisman
New Zealand's Leap Into Gene Therapy, pp. 1489-1490
Eliot Marshall
Giant Merger Creates Biotech Power, p. 1490
Robert Koenig
Panel Urges NIH to Loosen Its Grip on AIDS Research, p. 1491
Jon Cohen
Support Builds for Curbs on Lifetime Faculty Posts, p. 1492
Dennis Normile


Research News
Misfolding the Way to Disease, pp. 1493-1495
Gary Taubes
Does the Sun Trigger Outbursts from Earth's Magnetosphere?, p. 1496
Richard A. Kerr
Biodiversity is a Boon to Ecosystems, Not Species, p. 1497
Anne Simon Moffat
Protein Motors May Drive Cells on Route to Specialization, pp. 1498-1499
Wade Roush
Rat Study Sheds Light on Cocaine Craving, p. 1499
Claire O'Brien


Random Samples, p. 1501
Constance Holden


Book Reviews
Enzyme Frontiers, pp. 1507-1508
Cytochrome P450. Structure, Mechanism, and Biochemistry.
Paul R. Ortiz de Montellano
Review author[s]: John Dawson
Oceanic Vents, p. 1508
Seafloor Hydrothermal Systems. Physical, Chemical, Biological, and Geological Interactions.
Susan E. Humphris; Robert A. Zierenberg; Lauren S. Mullineaux; Richard E. Thomson
Review author[s]: J. M. Edmond


Perspectives
Molecules on Ice, p. 1509
David C. Clary
Iron Metabolism in Eukaryotes: Mars and Venus at it Again, pp. 1510-1512
Jerry Kaplan; Thomas V. O'Halloran
V(D)J Recombination and Transposition: Closer Than Expected, p. 1512
Nancy L. Craig


Protein Kinesis
Nucleocytoplasmic Transport, pp. 1513-1518
Dirk Görlich; Iain W. Mattaj
Common Principles of Protein Translocation across Membranes, pp. 1519-1526
Gottfried Schatz; Bernhard Dobberstein
Coat Proteins and Vesicle Budding, pp. 1526-1533
Randy Schekman; Lelio Orci
Phosphoinositides as Regulators in Membrane Traffic, pp. 1533-1539
Pietro De Camilli; Scott D. Emr; Peter S. McPherson; Peter Novick
Targeting of Motor Proteins, pp. 1539-1544
Richard B. Vallee; Michael P. Sheetz


Research Articles
Toward an Astrophysical Theory of Chondrites, pp. 1545-1552
Frank H. Shu; Hsien Shang; Typhoon Lee
A Permease-Oxidase Complex Involved in High-Affinity Iron Uptake in Yeast, pp. 1552-1557
Robert Stearman; Daniel S. Yuan; Yuko Yamaguchi-Iwai; Richard D. Klausner; Andrew Dancis


Reports
Protein Folding Triggered by Electron Transfer, pp. 1558-1560
Torbjörn Pascher; John P. Chesick; Jay R. Winkler; Harry B. Gray
Microsecond Catalytic Partial Oxidation of Alkanes, pp. 1560-1562
Duane A. Goetsch; Lanny D. Schmidt
Molecular Dynamics Simulation of Hydrochloric Acid Ionization at the Surface of Stratospheric Ice, pp. 1563-1566
Bradley J. Gertner; James T. Hynes
Structure and Evolution of Lithospheric Slab Beneath the Sunda Arc, Indonesia, pp. 1566-1570
Sri Widiyantoro; Rob van der Hilst
The Majorite-Pyrope + Magnesiowüstite Assemblage: Constraints on the History of Shock Veins in Chondrites, pp. 1570-1573
Ming Chen; Thomas G. Sharp; Ahmed El Goresy; Brigitte Wopenka; Xiande Xie
Iridium Metal in Chicxulub Impact Melt: Forensic Chemistry on the K-T Smoking Gun, pp. 1573-1576
Benjamin C. Schuraytz; David J. Lindstrom; Luis E. Marín; René R. Martinez; David W. Mittlefehldt; Virgil L. Sharpton; Susan J. Wentworth
Exchange of Carbon Dioxide by a Deciduous Forest: Response to Interannual Climate Variability, pp. 1576-1578
Michael L. Goulden; J. William Munger; Song-Miao Fan; Bruce C. Daube; Steven C. Wofsy
Human Foamy Virus Replication: A Pathway Distinct from That of Retroviruses and Hepadnaviruses, pp. 1579-1582
Shuyuarn F. Yu; David N. Baldwin; Samuel R. Gwynn; Suneetha Yendapalli; Maxine L. Linial
HIV-1 Dynamics in Vivo: Virion Clearance Rate, Infected Cell Life-Span, and Viral Generation Time, pp. 1582-1586
Alan S. Perelson; Avidan U. Neumann; Martin Markowitz; John M. Leonard; David D. Ho
Opposite Modulation of Cocaine-Seeking Behavior by D1-and D2-Like Dopamine Receptor Agonists, pp. 1586-1589
David W. Self; William J. Barnhart; David A. Lehman; Eric J. Nestler
Coordination of Three Signaling Enzymes by AKAP79, a Mammalian Scaffold Protein, pp. 1589-1592
Theresa M. Klauck; Maree C. Faux; Kirstin Labudda; Lorene K. Langeberg; Susan Jaken; John D. Scott
Similarities between Initiation of V(D)J Recombination and Retroviral Integration, pp. 1592-1594
Dik C. van Gent; Kiyoshi Mizuuchi; Martin Gellert
Cell Cycle Regulation of E2F Site Occupation In vivo, pp. 1595-1597
Jörk Zwicker; Ningshu Liu; Kurt Engeland; Frances C. Lucibello; Rolf Müller
Rapid Degradation of the G1 Cyclin CIn2 Induced by CDK-Dependent Phosphorylation, pp. 1597-1601
Stefan Lanker; M. Henar Valdivieso; Curt Wittenberg
Control of the Gene optomotor-blind in Drosophila Wing Development by decapentaplegic and wingless, pp. 1601-1604
Stefan Grimm; Gert O. Pflugfelder


Technical Comments
Long-Term Potentiation in the CA1 Hippocampus, pp. 1604-1606
Roberto Malinow; Zachary F. Mainen; Steven A. Siegelbaum; Vadim Y. Bolshakov
Estimating Geologic Age from Cosmogenic Nuclides: An Update, p. 1606
Paul R. Bierman; Erik M. Clapp
Pliocene Extinction of Antarctic Pectinid Mollusks, pp. 1606-1607
Paul Arthur Berkman; Michael L. Prentice


Back Matter (29 pp.)

Previous Issue: New Series, Vol. 271, No. 5254, Mar. 8, 1996
Next Issue: New Series, Vol. 271, No. 5256, Mar. 22, 1996



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