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STS-75 press kit

NASA · 40 pages · text from the file's own layer

This is NASA's press kit for Space Shuttle mission STS-75, dated February 1996 and later edited by Richard W. Orloff. It covers Columbia's planned 13-day flight carrying the Italian Tethered Satellite System reflight (TSS-1R) and the third United States Microgravity Payload. The kit sets out launch and landing plans, abort modes, the timeline, payload weights, crew duties, the tether's science objectives and investigators, and crew biographies. It does not mention any unidentified objects.

  • p. 10 …Flight Day 14 Flight Control System Checkout Reaction Control System Hot-Fire USMP-3 Deactivation Cabin…
  • p. 14 …Once microgravity experiments are running, most will be remotely controlled, a mode of operation known as…
  • p. 15 …TSS originally was flown on the Space Shuttle STS-46 mission launched in July 1992. TSS…
  • p. 16 …They will use a series of interdependent experiments -- conducted with electron guns and tether current-control…
  • p. 17 …Because of the unique interaction between the payload and the Shuttle, Mission Control in Houston is…
  • p. 19 …Payloads also serves as the liaison between Mission Control and the science investigators at Marshall, where…
  • p. 20 …Dynamics Functional Objectives During the deploy of TSS, several tests will be conducted to explore control…
  • p. 22 …Operations Area of Marshall's Spacelab Mission Operations Control watch preliminary data, awaiting their turn as…
  • p. 24 …MEPHISTO flew on both previous USMP missions. Analyses of samples produced on orbit are being conducted…
  • p. 31 …Recipient of the Defense Superior Service Medal, the Single Mission Air Medal, the NASA Exceptional Service…
  • p. 32 …1988); F-15 Pilot, 22TFS, CINCUSAFE Trophy; Mission Ready in the F-15 Eagle at Bitburg…
  • p. 37 …His work at Draper was geared strongly toward the design and integration of control systems for…
  • p. 39 …mission by assisting the Science Team for on-orbit operations at the Payload Operations Control Center…
Edited by Richard W. Orloff, 01/2001/Page 27
COMMERCIAL PROTEIN CRYSTAL GROWTH (CPCG)
STS-75 includes a flight of the Commercial Protein Crystal Growth systems identified as CPCG-09. This
payload will process nine different proteins seeking the development of new therapeutic treatments for
infections, human cancers, diseases caused from hormone disorders, and Chagas disease.
Columbia will carry into space the first joint U.S.- Latin American experiment in protein crystal growth.
The project, conceived in March 1993, brings together a small team of investigators from Costa Rica, Chile
and the United States. It involves the crystallization in microgravity of ultrapure samples of Tripanothione
Reductase, a DNA-grown protein expressing key features of the Tripanosoma Cruzi, the parasite that
causes Chagas Disease. The experiment will seek to determine the structure of this protein through
crystallographic studies of the crystals obtained in space. The high resolution resulting from the space
grown crystals could pave the way for the development of effective pharmaceuticals to combat this
debilitating disease and lead, some day, to an effective vaccine.
The CPCG-09 payload was developed by the CMC, which was formed in 1985 as a NASA Center for the
Commercial Development of Space. The CMC's objective is to form partnerships with industrial groups
and other government agencies who are pursuing commercial applications of macromolecular
crystallography relating to structure-based drug design. This is a drug discovery methodology based on
inhibiting or enhancing the biological activity of macromolecules, or proteins, responsible for various
diseases. Protein crystallography, using X-ray diffraction, is the lead technique whereby the three-
dimensional molecular structure of a protein disease target is established. Protein structural information
leads to the discovery and synthesis of complementary compounds that can become potent drugs
specifically directed against the disease target. Structure-based drug design is a productive and cost-
effective targeted drug development strategy.
CPCG-09 will be the CMC's 29th space flight, and will use the CMC's newly developed Commercial
Vapor Diffusion Apparatus (CVDA). Analysis of the results of previous CMC missions has shown that
techniques have produced proteins crystals of significantly higher quality than ever grown on Earth before.
The CMC has developed over ten pieces of flight hardware specifically for the support of microgravity
investigations in protein crystal growth. These systems use vapor diffusion, temperature induction, and
batch mixing techniques and certain pieces of hardware have been augmented with instrumentation for
localized temperature, light scattering, and video monitoring. The newest addition to the crystal growth
hardware inventory, the Commercial Vapor Diffusion Apparatus (CVDA), was designed, developed, and
manufactured by the CMC. The CVDA can accommodate 128 protein samples. The flight of CPCG-09 is
sponsored by the Space Processing Division of the Office of Space Access and Technology, as part of
NASA's commercial development of space program.

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