DNAH.aj.9

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DNAH.aj.9

A gene on chromosome 17p12 that encodes a heavy chain dynein protein, which attaches to microtubules and hydrolyses ATP to mediate the movement of cilia and flagella; release of ADP produces the force-producing power stroke.
Segen's Medical Dictionary. © 2012 Farlex, Inc. All rights reserved.
References in periodicals archive ?
4 In the wake of the 1986 explosion of the space shuttle Challenger, the HL-20 was designed to safely and cheaply carry passengers to the space station Freedom.
He was also the lead NASA project pilot on many programs including the HL-20 Spaceplane (on which the Sierra Nevada Corp.
As a result of a study by SpaceDev, Benson Space Co., Poway, CA, has chosen to pursue an approach that is an amalgam of the X-2, X-15, and T-38 vehicles for its Dream Chaser spaceship, rather than the orbital NASA HL-20 vehicle that was the company's first model.
As a result of this effort, the HL-20 lifting-body concept is now being considered as an alternative in the Personnel Launch System project being developed to bring astronauts to and from the proposed U.S./International space station, which will provide humankind's first permanent residence in outer space.
The 20,000-pound HL-20 is capable of carrying a crew of two and eight passengers.
Because it has no wings, the HL-20 design provides greater volumetric efficiency for smaller payloads than the shuttles do, said Bruce Jackson, an aerospace technologist at Langley.