Table of Contents

Research Articles

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  Pass the nitric oxide.

  D V Madison

  PNAS May 15, 1993 90 (10) 4329-4331; https://doi.org/10.1073/pnas.90.10.4329
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  Tumor immunogenicity: how far can it be pushed?

  R T Prehn

  PNAS May 15, 1993 90 (10) 4332-4333; https://doi.org/10.1073/pnas.90.10.4332

  See companion article:

  • Immunotherapy of malignancy by in vivo gene transfer into tumors.

    - May 15, 1993
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  Assessing the genetic structure of microbial populations.

  R E Lenski

  PNAS May 15, 1993 90 (10) 4334-4336; https://doi.org/10.1073/pnas.90.10.4334

  See companion article:

  • How clonal are bacteria?

    - May 15, 1993
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  Photoreactivation in humans.

  R D Ley

  PNAS May 15, 1993 90 (10) 4337; https://doi.org/10.1073/pnas.90.10.4337

  See companion article:

  • Evidence for lack of DNA photoreactivating enzyme in humans.

    - May 15, 1993
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  The human genome project.

  M V Olson

  PNAS May 15, 1993 90 (10) 4338-4344; https://doi.org/10.1073/pnas.90.10.4338
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  A vasoactive intestinal peptide antagonist inhibits non-small cell lung cancer growth.

  T W Moody, F Zia, M Draoui, D E Brenneman, M Fridkin, A Davidson, and I Gozes

  PNAS May 15, 1993 90 (10) 4345-4349; https://doi.org/10.1073/pnas.90.10.4345
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  Substitution of the 3' terminal adenosine residue of transfer RNA in vivo.

  N B Reuven and M P Deutscher

  PNAS May 15, 1993 90 (10) 4350-4353; https://doi.org/10.1073/pnas.90.10.4350
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  Hemopoietic stem-cell compartment of the SCID mouse: double-exponential survival curve after gamma irradiation.

  S Taniguchi, Y Hirabayashi, T Inoue, M Kanisawa, H Sasaki, K Komatsu, and K J Mori

  PNAS May 15, 1993 90 (10) 4354-4358; https://doi.org/10.1073/pnas.90.10.4354
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  Alteration of Caenorhabditis elegans gene expression by targeted transformation.

  S Broverman, M MacMorris, and T Blumenthal

  PNAS May 15, 1993 90 (10) 4359-4363; https://doi.org/10.1073/pnas.90.10.4359
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  An integrated approach for identifying and mapping human genes.

  R Das Gupta, B Morrow, I Marondel, S Parimoo, V L Goei, J Gruen, S Weissman, A Skoultchi, and R Kucherlapati

  PNAS May 15, 1993 90 (10) 4364-4368; https://doi.org/10.1073/pnas.90.10.4364
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  Reduced expression of a human V beta 6.1 T-cell receptor allele.

  L Luyrink, C A Gabriel, S D Thompson, A A Grom, W P Maksymowych, E Choi, and D N Glass

  PNAS May 15, 1993 90 (10) 4369-4373; https://doi.org/10.1073/pnas.90.10.4369
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  A complementarity-determining region synthetic peptide acts as a miniantibody and neutralizes human immunodeficiency virus type 1 in vitro.

  M Levi, M Sällberg, U Rudén, D Herlyn, H Maruyama, H Wigzell, J Marks, and B Wahren

  PNAS May 15, 1993 90 (10) 4374-4378; https://doi.org/10.1073/pnas.90.10.4374
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  Transmembrane signaling by an insulin receptor lacking a cytoplasmic beta-subunit domain.

  T Sasaoka, Y Takata, J Kusari, C M Anderson, W J Langlois, and J M Olefsky

  PNAS May 15, 1993 90 (10) 4379-4383; https://doi.org/10.1073/pnas.90.10.4379
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  How clonal are bacteria?

  J M Smith, N H Smith, M O'Rourke, and B G Spratt

  PNAS May 15, 1993 90 (10) 4384-4388; https://doi.org/10.1073/pnas.90.10.4384

  See companion article:

  • Assessing the genetic structure of microbial populations.

    - May 15, 1993
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  Evidence for lack of DNA photoreactivating enzyme in humans.

  Y F Li, S T Kim, and A Sancar

  PNAS May 15, 1993 90 (10) 4389-4393; https://doi.org/10.1073/pnas.90.10.4389

  See companion article:

  • Photoreactivation in humans.

    - May 15, 1993
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  Ribosomal protein S15 from Escherichia coli modulates its own translation by trapping the ribosome on the mRNA initiation loading site.

  C Philippe, F Eyermann, L Bénard, C Portier, B Ehresmann, and C Ehresmann

  PNAS May 15, 1993 90 (10) 4394-4398; https://doi.org/10.1073/pnas.90.10.4394
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  Allosteric mechanism for translational repression in the Escherichia coli alpha operon.

  G Spedding and D E Draper

  PNAS May 15, 1993 90 (10) 4399-4403; https://doi.org/10.1073/pnas.90.10.4399
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  The LIM motif defines a specific zinc-binding protein domain.

  J W Michelsen, K L Schmeichel, M C Beckerle, and D R Winge

  PNAS May 15, 1993 90 (10) 4404-4408; https://doi.org/10.1073/pnas.90.10.4404
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  Mature T cells of autoimmune lpr/lpr mice have a defect in antigen-stimulated suicide.

  J H Russell, B Rush, C Weaver, and R Wang

  PNAS May 15, 1993 90 (10) 4409-4413; https://doi.org/10.1073/pnas.90.10.4409
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  Production of tumor necrosis factor and other proinflammatory cytokines by human mononuclear phagocytes stimulated with myelin P2 protein.

  P Baron, G Constantin, A D'Andrea, D Ponzin, E Scarpini, G Scarlato, G Trinchieri, F Rossi, and M A Cassatella

  PNAS May 15, 1993 90 (10) 4414-4418; https://doi.org/10.1073/pnas.90.10.4414
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  A proposal for a new approach to a preventive vaccine against human immunodeficiency virus type 1.

  H M Temin

  PNAS May 15, 1993 90 (10) 4419-4420; https://doi.org/10.1073/pnas.90.10.4419
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  In vivo evidence against the existence of antiprogestins disrupting receptor binding to DNA.

  K Delabre, A Guiochon-Mantel, and E Milgrom

  PNAS May 15, 1993 90 (10) 4421-4425; https://doi.org/10.1073/pnas.90.10.4421
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  Association of casein kinase 2 with nuclear chromatin in relation to androgenic regulation of rat prostate.

  K Ahmed, S Yenice, A Davis, and S A Goueli

  PNAS May 15, 1993 90 (10) 4426-4430; https://doi.org/10.1073/pnas.90.10.4426
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  The HOX11 gene encodes a DNA-binding nuclear transcription factor belonging to a distinct family of homeobox genes.

  T N Dear, I Sanchez-Garcia, and T H Rabbitts

  PNAS May 15, 1993 90 (10) 4431-4435; https://doi.org/10.1073/pnas.90.10.4431
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  Changing Epstein-Barr viral ZEBRA protein into a more powerful activator enhances its capacity to disrupt latency.

  R Baumann, E Grogan, M Ptashne, and G Miller

  PNAS May 15, 1993 90 (10) 4436-4440; https://doi.org/10.1073/pnas.90.10.4436
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  The progesterone antagonist RU486 acquires agonist activity upon stimulation of cAMP signaling pathways.

  C A Beck, N L Weigel, M L Moyer, S K Nordeen, and D P Edwards

  PNAS May 15, 1993 90 (10) 4441-4445; https://doi.org/10.1073/pnas.90.10.4441
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  Substrate specificity of the protein tyrosine phosphatases.

  Z Y Zhang, A M Thieme-Sefler, D Maclean, D J McNamara, E M Dobrusin, T K Sawyer, and J E Dixon

  PNAS May 15, 1993 90 (10) 4446-4450; https://doi.org/10.1073/pnas.90.10.4446
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  Synthetic peptides corresponding to different mutated regions of the amyloid gene in familial Creutzfeldt-Jakob disease show enhanced in vitro formation of morphologically different amyloid fibrils.

  L G Goldfarb, P Brown, M Haltia, J Ghiso, B Frangione, and D C Gajdusek

  PNAS May 15, 1993 90 (10) 4451-4454; https://doi.org/10.1073/pnas.90.10.4451
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  In vivo promoter activity and transgene expression in mammalian somatic tissues evaluated by using particle bombardment.

  L Cheng, P R Ziegelhoffer, and N S Yang

  PNAS May 15, 1993 90 (10) 4455-4459; https://doi.org/10.1073/pnas.90.10.4455
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  The ras signaling pathway mimics insulin action on glucose transporter translocation.

  L Kozma, K Baltensperger, J Klarlund, A Porras, E Santos, and M P Czech

  PNAS May 15, 1993 90 (10) 4460-4464; https://doi.org/10.1073/pnas.90.10.4460
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  Extrathymic differentiation of T lymphocytes and natural killer cells from human embryonic liver precursors.

  A Poggi, M Sargiacomo, R Biassoni, N Pella, S Sivori, V Revello, P Costa, M Valtieri, G Russo, and M C Mingari

  PNAS May 15, 1993 90 (10) 4465-4469; https://doi.org/10.1073/pnas.90.10.4465
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  Oscillations in local field potentials of the primate motor cortex during voluntary movement.

  J N Sanes and J P Donoghue

  PNAS May 15, 1993 90 (10) 4470-4474; https://doi.org/10.1073/pnas.90.10.4470
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  Cytoplasmic phospholipase A2 activity and gene expression are stimulated by tumor necrosis factor: dexamethasone blocks the induced synthesis.

  W G Hoeck, C S Ramesha, D J Chang, N Fan, and R A Heller

  PNAS May 15, 1993 90 (10) 4475-4479; https://doi.org/10.1073/pnas.90.10.4475
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  Identification of human endogenous retroviruses with complex mRNA expression and particle formation.

  R Löwer, K Boller, B Hasenmaier, C Korbmacher, N Müller-Lantzsch, J Löwer, and R Kurth

  PNAS May 15, 1993 90 (10) 4480-4484; https://doi.org/10.1073/pnas.90.10.4480
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  Osteopetrosis in Src-deficient mice is due to an autonomous defect of osteoclasts.

  C Lowe, T Yoneda, B F Boyce, H Chen, G R Mundy, and P Soriano

  PNAS May 15, 1993 90 (10) 4485-4489; https://doi.org/10.1073/pnas.90.10.4485
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  The retroviral oncogene qin belongs to the transcription factor family that includes the homeotic gene fork head.

  J Li and P K Vogt

  PNAS May 15, 1993 90 (10) 4490-4494; https://doi.org/10.1073/pnas.90.10.4490
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  Truncated erythropoietin receptor causes dominantly inherited benign human erythrocytosis.

  A de la Chapelle, A L Träskelin, and E Juvonen

  PNAS May 15, 1993 90 (10) 4495-4499; https://doi.org/10.1073/pnas.90.10.4495
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  Developmental gene expression and tissue distribution of the CHIP28 water-channel protein.

  C Bondy, E Chin, B L Smith, G M Preston, and P Agre

  PNAS May 15, 1993 90 (10) 4500-4504; https://doi.org/10.1073/pnas.90.10.4500
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  Casimir light: photon pairs.

  J Schwinger

  PNAS May 15, 1993 90 (10) 4505-4507; https://doi.org/10.1073/pnas.90.10.4505
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  A point mutation of the Na+/H+ exchanger gene (NHE1) and amplification of the mutated allele confer amiloride resistance upon chronic acidosis.

  L Counillon, A Franchi, and J Pouysségur

  PNAS May 15, 1993 90 (10) 4508-4512; https://doi.org/10.1073/pnas.90.10.4508
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  Adaptability at the protein-DNA interface is an important aspect of sequence recognition by bZIP proteins.

  J Kim, D Tzamarias, T Ellenberger, S C Harrison, and K Struhl

  PNAS May 15, 1993 90 (10) 4513-4517; https://doi.org/10.1073/pnas.90.10.4513
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  Identification of a poxvirus gene encoding a uracil DNA glycosylase.

  C Upton, D T Stuart, and G McFadden

  PNAS May 15, 1993 90 (10) 4518-4522; https://doi.org/10.1073/pnas.90.10.4518
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  Systemic immunological effects of cytokine genes injected into skeletal muscle.

  E Raz, A Watanabe, S M Baird, R A Eisenberg, T B Parr, M Lotz, T J Kipps, and D A Carson

  PNAS May 15, 1993 90 (10) 4523-4527; https://doi.org/10.1073/pnas.90.10.4523
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  RAG-2-deficient blastocyst complementation: an assay of gene function in lymphocyte development.

  J Chen, R Lansford, V Stewart, F Young, and F W Alt

  PNAS May 15, 1993 90 (10) 4528-4532; https://doi.org/10.1073/pnas.90.10.4528
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  bcl-2 inhibits death of central neural cells induced by multiple agents.

  L T Zhong, T Sarafian, D J Kane, A C Charles, S P Mah, R H Edwards, and D E Bredesen

  PNAS May 15, 1993 90 (10) 4533-4537; https://doi.org/10.1073/pnas.90.10.4533
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  Neurological disease induced in transgenic mice expressing the env gene of the Cas-Br-E murine retrovirus.

  D G Kay, C Gravel, F Pothier, A Laperrière, Y Robitaille, and P Jolicoeur

  PNAS May 15, 1993 90 (10) 4538-4542; https://doi.org/10.1073/pnas.90.10.4538
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  Isolation and expression of human 1,25-dihydroxyvitamin D3 24-hydroxylase cDNA.

  K S Chen, J M Prahl, and H F DeLuca

  PNAS May 15, 1993 90 (10) 4543-4547; https://doi.org/10.1073/pnas.90.10.4543
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  Amino acid substitution at the Adh locus of Drosophila is facilitated by small population size.

  T Ohta

  PNAS May 15, 1993 90 (10) 4548-4551; https://doi.org/10.1073/pnas.90.10.4548
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  Mutations in the CYP11B1 gene causing congenital adrenal hyperplasia and hypertension cluster in exons 6, 7, and 8.

  K M Curnow, L Slutsker, J Vitek, T Cole, P W Speiser, M I New, P C White, and L Pascoe

  PNAS May 15, 1993 90 (10) 4552-4556; https://doi.org/10.1073/pnas.90.10.4552
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  Methylation induced premeiotically in Ascobolus: coextension with DNA repeat lengths and effect on transcript elongation.

  C Barry, G Faugeron, and J L Rossignol

  PNAS May 15, 1993 90 (10) 4557-4561; https://doi.org/10.1073/pnas.90.10.4557
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  An apolipoprotein CIII haplotype protective against hypertriglyceridemia is specified by promoter and 3' untranslated region polymorphisms.

  M Dammerman, L A Sandkuijl, J L Halaas, W Chung, and J L Breslow

  PNAS May 15, 1993 90 (10) 4562-4566; https://doi.org/10.1073/pnas.90.10.4562
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  Copper-controllable gene expression system for whole plants.

  V L Mett, L P Lochhead, and P H Reynolds

  PNAS May 15, 1993 90 (10) 4567-4571; https://doi.org/10.1073/pnas.90.10.4567
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  A gene for a low density lipoprotein receptor-related protein in the nematode Caenorhabditis elegans.

  J Yochem and I Greenwald

  PNAS May 15, 1993 90 (10) 4572-4576; https://doi.org/10.1073/pnas.90.10.4572
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  Transforming growth factor beta enhances integrin expression and type IV collagenase secretion in human monocytes.

  S M Wahl, J B Allen, B S Weeks, H L Wong, and P E Klotman

  PNAS May 15, 1993 90 (10) 4577-4581; https://doi.org/10.1073/pnas.90.10.4577
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  Simple and efficient production of embryonic stem cell-embryo chimeras by coculture.

  S A Wood, W S Pascoe, C Schmidt, R Kemler, M J Evans, and N D Allen

  PNAS May 15, 1993 90 (10) 4582-4585; https://doi.org/10.1073/pnas.90.10.4582
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  The costimulatory activity of the CD26 antigen requires dipeptidyl peptidase IV enzymatic activity.

  T Tanaka, J Kameoka, A Yaron, S F Schlossman, and C Morimoto

  PNAS May 15, 1993 90 (10) 4586-4590; https://doi.org/10.1073/pnas.90.10.4586
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  Platelet-derived growth factor B chain promoter contains a cis-acting fluid shear-stress-responsive element.

  N Resnick, T Collins, W Atkinson, D T Bonthron, C F Dewey Jr, and M A Gimbrone Jr

  PNAS May 15, 1993 90 (10) 4591-4595; https://doi.org/10.1073/pnas.90.10.4591
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  Airway epithelial cells are the site of expression of a mammalian antimicrobial peptide gene.

  G Diamond, D E Jones, and C L Bevins

  PNAS May 15, 1993 90 (10) 4596-4600; https://doi.org/10.1073/pnas.90.10.4596
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  An approach for treating the hepatobiliary disease of cystic fibrosis by somatic gene transfer.

  Y Yang, S E Raper, J A Cohn, J F Engelhardt, and J M Wilson

  PNAS May 15, 1993 90 (10) 4601-4605; https://doi.org/10.1073/pnas.90.10.4601
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  Secondary structure creates mismatched base pairs required for high-affinity binding of cAMP response element-binding protein to the human enkephalin enhancer.

  C Spiro, J P Richards, S Chandrasekaran, R G Brennan, and C T McMurray

  PNAS May 15, 1993 90 (10) 4606-4610; https://doi.org/10.1073/pnas.90.10.4606
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  In vitro and in vivo functional characterization of bovine vitamin K-dependent gamma-carboxylase expressed in Chinese hamster ovary cells.

  A Rehemtulla, D A Roth, L C Wasley, A Kuliopulos, C T Walsh, B Furie, B C Furie, and R J Kaufman

  PNAS May 15, 1993 90 (10) 4611-4615; https://doi.org/10.1073/pnas.90.10.4611
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  Mammalian eukaryotic initiation factor 2 alpha kinases functionally substitute for GCN2 protein kinase in the GCN4 translational control mechanism of yeast.

  T E Dever, J J Chen, G N Barber, A M Cigan, L Feng, T F Donahue, I M London, M G Katze, and A G Hinnebusch

  PNAS May 15, 1993 90 (10) 4616-4620; https://doi.org/10.1073/pnas.90.10.4616
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  Translational regulation by the interferon-induced double-stranded-RNA-activated 68-kDa protein kinase.

  G N Barber, M Wambach, M L Wong, T E Dever, A G Hinnebusch, and M G Katze

  PNAS May 15, 1993 90 (10) 4621-4625; https://doi.org/10.1073/pnas.90.10.4621
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  Detection and characterization of mammalian DNA polymerase beta mutants by functional complementation in Escherichia coli.

  J B Sweasy and L A Loeb

  PNAS May 15, 1993 90 (10) 4626-4630; https://doi.org/10.1073/pnas.90.10.4626
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  Genes on chromosomes 4, 9, and 19 involved in 11q23 abnormalities in acute leukemia share sequence homology and/or common motifs.

  T Nakamura, H Alder, Y Gu, R Prasad, O Canaani, N Kamada, R P Gale, B Lange, W M Crist, and P C Nowell

  PNAS May 15, 1993 90 (10) 4631-4635; https://doi.org/10.1073/pnas.90.10.4631
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  Flower-bud formation in explants of photoperiodic and day-neutral Nicotiana biotypes and its bearing on the regulation of flower formation.

  M S Rajeevan and A Lang

  PNAS May 15, 1993 90 (10) 4636-4640; https://doi.org/10.1073/pnas.90.10.4636
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  Phylogenetic analysis of rbcL sequences identifies Acorus calamus as the primal extant monocotyledon.

  M R Duvall, G H Learn Jr, L E Eguiarte, and M T Clegg

  PNAS May 15, 1993 90 (10) 4641-4644; https://doi.org/10.1073/pnas.90.10.4641
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  Immunotherapy of malignancy by in vivo gene transfer into tumors.

  G E Plautz, Z Y Yang, B Y Wu, X Gao, L Huang, and G J Nabel

  PNAS May 15, 1993 90 (10) 4645-4649; https://doi.org/10.1073/pnas.90.10.4645

  See companion article:

  • Tumor immunogenicity: how far can it be pushed?

    - May 15, 1993
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  Storage of a sensory pattern by anti-Hebbian synaptic plasticity in an electric fish.

  C C Bell, A Caputi, K Grant, and J Serrier

  PNAS May 15, 1993 90 (10) 4650-4654; https://doi.org/10.1073/pnas.90.10.4650
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  Molecular cloning of olfactomedin, an extracellular matrix protein specific to olfactory neuroepithelium.

  H Yokoe and R R Anholt

  PNAS May 15, 1993 90 (10) 4655-4659; https://doi.org/10.1073/pnas.90.10.4655
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  Intracellular calcium increases with hyperactivation in intact, moving hamster sperm and oscillates with the flagellar beat cycle.

  S S Suarez, S M Varosi, and X Dai

  PNAS May 15, 1993 90 (10) 4660-4664; https://doi.org/10.1073/pnas.90.10.4660
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  Stability, clearance, and disposition of intraventricularly administered oligodeoxynucleotides: implications for therapeutic application within the central nervous system.

  L Whitesell, D Geselowitz, C Chavany, B Fahmy, S Walbridge, J R Alger, and L M Neckers

  PNAS May 15, 1993 90 (10) 4665-4669; https://doi.org/10.1073/pnas.90.10.4665
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  Genetic evidence on origin and dispersal of human populations speaking languages of the Nostratic macrofamily.

  G Barbujani and A Pilastro

  PNAS May 15, 1993 90 (10) 4670-4673; https://doi.org/10.1073/pnas.90.10.4670
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  Gö 6976, a selective inhibitor of protein kinase C, is a potent antagonist of human immunodeficiency virus 1 induction from latent/low-level-producing reservoir cells in vitro.

  K A Qatsha, C Rudolph, D Marmé, C Schächtele, and W S May

  PNAS May 15, 1993 90 (10) 4674-4678; https://doi.org/10.1073/pnas.90.10.4674
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  C/ATF, a member of the activating transcription factor family of DNA-binding proteins, dimerizes with CAAT/enhancer-binding proteins and directs their binding to cAMP response elements.

  M Vallejo, D Ron, C P Miller, and J F Habener

  PNAS May 15, 1993 90 (10) 4679-4683; https://doi.org/10.1073/pnas.90.10.4679
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  Nuclear extracts of chicken embryos promote an active demethylation of DNA by excision repair of 5-methyldeoxycytidine.

  J P Jost

  PNAS May 15, 1993 90 (10) 4684-4688; https://doi.org/10.1073/pnas.90.10.4684
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  Postcopulatory sexual selection in an arctiid moth (Utetheisa ornatrix).

  C W LaMunyon and T Eisner

  PNAS May 15, 1993 90 (10) 4689-4692; https://doi.org/10.1073/pnas.90.10.4689
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  Oxygen toxicity in a polyamine-depleted spe2 delta mutant of Saccharomyces cerevisiae.

  D Balasundaram, C W Tabor, and H Tabor

  PNAS May 15, 1993 90 (10) 4693-4697; https://doi.org/10.1073/pnas.90.10.4693
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  Tissue-specific versus cell type-specific expression of the glial fibrillary acidic protein.

  R Kaneko and N Sueoka

  PNAS May 15, 1993 90 (10) 4698-4702; https://doi.org/10.1073/pnas.90.10.4698
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  Synthetic peptides based on motifs present in human band 3 protein inhibit cytoadherence/sequestration of the malaria parasite Plasmodium falciparum.

  I Crandall, W E Collins, J Gysin, and I W Sherman

  PNAS May 15, 1993 90 (10) 4703-4707; https://doi.org/10.1073/pnas.90.10.4703
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  Autocrine production of extracellular catalase prevents apoptosis of the human CEM T-cell line in serum-free medium.

  P A Sandstrom and T M Buttke

  PNAS May 15, 1993 90 (10) 4708-4712; https://doi.org/10.1073/pnas.90.10.4708
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  A mutation in reverse transcriptase of bis(heteroaryl)piperazine-resistant human immunodeficiency virus type 1 that confers increased sensitivity to other nonnucleoside inhibitors.

  T J Dueweke, T Pushkarskaya, S M Poppe, S M Swaney, J Q Zhao, I S Chen, M Stevenson, and W G Tarpley

  PNAS May 15, 1993 90 (10) 4713-4717; https://doi.org/10.1073/pnas.90.10.4713
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  Perturbations of the distal heme pocket in human myoglobin mutants probed by infrared spectroscopy of bound CO: correlation with ligand binding kinetics.

  S Balasubramanian, D G Lambright, and S G Boxer

  PNAS May 15, 1993 90 (10) 4718-4722; https://doi.org/10.1073/pnas.90.10.4718
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  Transfer RNAs with complementary anticodons: could they reflect early evolution of discriminative genetic code adaptors?

  S Rodin, S Ohno, and A Rodin

  PNAS May 15, 1993 90 (10) 4723-4727; https://doi.org/10.1073/pnas.90.10.4723
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  Molecular basis of a multiple lymphokine deficiency in a patient with severe combined immunodeficiency.

  E Castigli, R Pahwa, R A Good, R S Geha, and T A Chatila

  PNAS May 15, 1993 90 (10) 4728-4732; https://doi.org/10.1073/pnas.90.10.4728
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  Synthetic bactericidal peptide based on CAP37: a 37-kDa human neutrophil granule-associated cationic antimicrobial protein chemotactic for monocytes.

  H A Pereira, I Erdem, J Pohl, and J K Spitznagel

  PNAS May 15, 1993 90 (10) 4733-4737; https://doi.org/10.1073/pnas.90.10.4733
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  Structure and expression of the human trithorax-like gene 1 involved in acute leukemias.

  P Parry, M Djabali, M Bower, J Khristich, M Waterman, B Gibbons, B D Young, and G Evans

  PNAS May 15, 1993 90 (10) 4738-4742; https://doi.org/10.1073/pnas.90.10.4738
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  Regulation of JC virus by the POU-domain transcription factor Tst-1: implications for progressive multifocal leukoencephalopathy.

  M Wegner, D W Drolet, and M G Rosenfeld

  PNAS May 15, 1993 90 (10) 4743-4747; https://doi.org/10.1073/pnas.90.10.4743
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  Amyloid beta-protein as a substrate interacts with extracellular matrix to promote neurite outgrowth.

  E H Koo, L Park, and D J Selkoe

  PNAS May 15, 1993 90 (10) 4748-4752; https://doi.org/10.1073/pnas.90.10.4748
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  Reverse gyrase: a helicase-like domain and a type I topoisomerase in the same polypeptide.

  F Confalonieri, C Elie, M Nadal, C de La Tour, P Forterre, and M Duguet

  PNAS May 15, 1993 90 (10) 4753-4757; https://doi.org/10.1073/pnas.90.10.4753
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  Gating currents of the cloned delayed-rectifier K+ channel DRK1.

  M Taglialatela and E Stefani

  PNAS May 15, 1993 90 (10) 4758-4762; https://doi.org/10.1073/pnas.90.10.4758