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・ P-nuclei
・ P-O-X
・ P-P
・ P-P Hartnett
・ P-Patch
・ P-Phenylenediamine
・ P-Pop-High School
・ P-Poppin
・ P-process
・ P-rep
・ P-Rock
・ P-SCH
・ P-selectin
・ P-selectin glycoprotein ligand-1
・ P-series fuels
P-site
・ P-space
・ P-Square
・ P-Square discography
・ P-stable group
・ P-Star
・ P-TEFb
・ P-Toluenesulfonic acid
・ P-Toluic acid
・ P-town
・ P-type
・ P-type asteroid
・ P-type ATPase
・ P-type calcium channel
・ P-Unit


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P-site : ウィキペディア英語版
P-site
The P-site (for peptidyl) is the second binding site for t-RNA in the ribosome. The other two sites are the A-site (aminoacyl), which is the first binding site in the ribosome, and the E-site (exit), which is the third and final binding site in the ribosome.
L27 is located at the P-site as shown by affinity labeling. The P-site during translation holds the t-RNA which is linked to the growing polypeptide chain. When a stop codon is reached ending translation, the peptidyl-tRNA bond of the t-RNA located in the P-site is cleaved releasing the newly synthesized protein.
==References==

1. A.P. Czernilofsky et al., Proc.Natl.Acad.Sci. USA, Vol 71, pp 230–234, 1974, and FEBS Lett., Vol 63, pp 283–286, 1976.


抄文引用元・出典: フリー百科事典『 ウィキペディア(Wikipedia)
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