Albert Taylor

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Gain- and loss-of-function experiments have demonstrated that a source of fibroblast growth factor (FGF) 8 regulates anterior to posterior (A/P) patterning in the neocortical area map. Whether FGF8 controls patterning as a classic diffusible morphogen has not been directly tested. We report evidence that FGF8 diffuses through the mouse neocortical(More)
The three-dimensional structure of bovine lens leucine aminopeptidase (EC 3.4.11.1) complexed with bestatin, a slow-binding inhibitor, has been solved to 3.0-A resolution by the multiple isomorphous replacement method with phase combination and density modification. In addition, the structure of the isomorphous native enzyme has been refined at 2.7-A(More)
The three-dimensional structure of bovine lens leucine aminopeptidase (EC 3.4.11.1) complexed with bestatin, a slow-binding inhibitor, has been solved to 3.0 A resolution by the multiple isomorphous replacement method with phase combination and density modification. In addition, this structure and the structure of the isomorphous native enzyme have been(More)
Regulation of the actin multigene family involves the recognition of regulatory sequences that specify the tissue type and developmental program of expression for each actin isotype. In order to investigate the underlying regulatory mechanisms, the human skeletal alpha-actin gene and its 5' regulatory region have been cloned and sequenced. This actin gene(More)
The influenza B virus BM2 proton-selective ion channel is essential for virus uncoating, a process that occurs in the acidic environment of the endosome. The BM2 channel causes acidification of the interior of the virus particle, which results in dissociation of the viral membrane protein from the ribonucleo-protein core. The BM2 protein is similar to the(More)
Saccharomyces cerevisiae mating type a cells enlarged and elongated when exposed to alpha-factor, a sex pheromone produced by mating-type alpha cells. This morphogensis required exogenous-D-glucose, nitrogen, and phosphate, and cells in exponential phase responded better than stationary-phase cells. Morphogenesis was blocked by cycloheximide and by(More)
The crystallization of leucine aminopeptidase from hog kidney is reported for the first time. The crystals which diffract to 4-A resolution have the space group P2(1)2(1)2(1) (a = 186.3 A, b = 223.2 A, and c = 80.5 A) and contain four hexamers per unit cell, or one per asymmetric unit. Electron micrographic images of hog kidney leucine aminopeptidase are(More)
Yeast external invertase is a glycoprotein that exists as a dimer that can associate to form tetramers, hexamers, and octamers (Chu, F., Watorek, W., and Maley, F. (1983) Arch. Biochem. Biophys. 223, 543-555; Esmon, P. C., Esmon, B. E., Schauer, I. E., Taylor, A., and Schekman, R. (1987) J. Biol. Chem., 262, 4395-4401), a process that is facilitated by the(More)
Conserved sequence elements in the human cardiac and skeletal alpha-actin promoters that contain the CC(A + T-rich)6GG motif have been shown to regulate transcription of these genes. A similar sequence is found in the serum response element of the human c-FOS gene. In this study, we demonstrate that indistinguishable proteins bind to each of five CC(A +(More)