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The P-loop main chain is shown in red, the Mg 2+ ion as green sphere and the side chains of the amino acids K16 and S17 are shown as sticks. Walker A motif, also known as the Walker loop, or P-loop, or phosphate-binding loop, is a motif in proteins that is associated with phosphate binding. The motif has the pattern G-x (4)-GK- [TS], where G, K ...
Four Thirds logo. The Four Thirds System is a standard created by Olympus and Eastman Kodak for digital single-lens reflex camera (DSLR) design and development. [ 1] Four Thirds refers to both the size of the image sensor (4/3") as well as the aspect ratio (4:3). The Olympus E-1 was the first Four Thirds DSLR, announced and released in 2003.
4′33″[ a] is a modernist composition [ b] by American experimental composer John Cage. It was composed in 1952 for any instrument or combination of instruments; the score instructs performers not to play their instruments throughout the three movements. It is divided into three movements, [ c] lasting 30 seconds, two minutes and 23 seconds ...
Walkara, painted by Solomon Nunes Carvalho. Born. 1808. Utah. Died. 1855 (aged 47) Utah. Chief Walkara (c. 1808 – 1855; also known as Wakara, Wahkara, Chief Walker or Colorow) was a Norther Ute leader of the Utah Indians known as the Timpanogo and Sanpete Band. He had a reputation as a diplomat, horseman and warrior, and a military leader of ...
Walker–Warburg syndrome has an autosomal recessive pattern of inheritance. Walker–Warburg syndrome (WWS), also called Warburg syndrome, Chemke syndrome, HARD syndrome (Hydrocephalus, Agyria and Retinal Dysplasia), Pagon syndrome, cerebroocular dysgenesis (COD) or cerebroocular dysplasia-muscular dystrophy syndrome (COD-MD), [1] is a rare ...
Andre Walker Hair Typing System. The Andre Walker Hair Typing System, also known as The Hair Chart, is a classification system for hair types created in the 1990s by Oprah Winfrey 's stylist Andre Walker. [1] [2] [3] It was originally created to market Walker's line of hair care products but has since been widely adopted as a hair type ...
The Walker circulation, also known as the Walker cell, is a conceptual model of the air flow in the tropics in the lower atmosphere ( troposphere ). According to this model, parcels of air follow a closed circulation in the zonal and vertical directions. This circulation, which is roughly consistent with observations, is caused by differences ...
Micro Four Thirds system. The Micro Four Thirds system ( MFT or M4/3 or M43) (マイクロフォーサーズシステム, Maikuro Fō Sāzu Shisutemu) is a standard released by Olympus Imaging Corporation and Panasonic in 2008, [ 1 ] for the design and development of mirrorless interchangeable lens digital cameras, camcorders and lenses. [ 2 ]