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・ PPG 16
・ PPG Industries
・ PPG Institute of Technology
・ PPG Place
・ PPG tankette
・ PPG Wave
・ PPGI
・ PPGMAp
・ PPH
・ PPHLN1
・ PPHS
・ PPI
・ PPI Automotive Design
・ PPI Motorsports
・ PPIB
PPIC
・ PPID
・ PPIE (gene)
・ PPIF
・ PPIG (gene)
・ PPIH
・ PPIL1
・ PPIL2
・ PPIL3
・ PPIL4
・ PpilKu
・ PPJ
・ PPK
・ PPK (group)
・ PPL


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PPIC : ウィキペディア英語版
PPIC

Peptidyl-prolyl cis-trans isomerase C (PPIC) is an enzyme that in humans is encoded by the ''PPIC'' gene on chromosome 5. As a member of the peptidyl-prolyl cis-trans isomerase (PPIase) family, this protein catalyzes the cis-trans isomerization of proline imidic peptide bonds, which allows it to facilitate folding or repair of proteins.〔(【引用サイトリンク】 url = http://www.ncbi.nlm.nih.gov/sites/entrez?Db=gene&Cmd=ShowDetailView&TermToSearch=5480 )〕 In addition, PPIC participates in many biological processes, including mitochondrial metabolism, apoptosis, redox, and inflammation, as well as in related diseases and conditions, such as ischemic reperfusion injury, AIDS, and cancer.
==Structure==
Like other cyclophilins, PPIC forms a β-barrel structure with a hydrophobic core. This β-barrel is composed of eight anti-parallel β-strands and capped by two α-helices at the top and bottom. In addition, the β-turns and loops in the strands contribute to the flexibility of the barrel.〔 PPIC in particular is composed of 212 residues and contains a hydrophobic, ER-targeting sequence at the N-terminal. The PPIase domain is homologous to PPIA and can be bound and inhibited by CsA.〔

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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