کد مقاله | کد نشریه | سال انتشار | مقاله انگلیسی | نسخه تمام متن |
---|---|---|---|---|
10765641 | 1050594 | 2009 | 6 صفحه PDF | دانلود رایگان |
عنوان انگلیسی مقاله ISI
Ghrelin O-acyltransferase (GOAT) has a preference for n-hexanoyl-CoA over n-octanoyl-CoA as an acyl donor
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کلمات کلیدی
موضوعات مرتبط
علوم زیستی و بیوفناوری
بیوشیمی، ژنتیک و زیست شناسی مولکولی
زیست شیمی
پیش نمایش صفحه اول مقاله
![عکس صفحه اول مقاله: Ghrelin O-acyltransferase (GOAT) has a preference for n-hexanoyl-CoA over n-octanoyl-CoA as an acyl donor Ghrelin O-acyltransferase (GOAT) has a preference for n-hexanoyl-CoA over n-octanoyl-CoA as an acyl donor](/preview/png/10765641.png)
چکیده انگلیسی
Ghrelin is a peptide hormone in which serine 3 is modified by n-octanoic acid through GOAT (ghrelin O-acyltransferase). However, the enzymological properties of GOAT remain to be elucidated. We analyzed the in vitro activity of GOAT using the recombinant enzyme. Unexpectedly, although the main active form of ghrelin is modified by n-octanoic acid, GOAT had a strong preference for n-hexanoyl-CoA over n-octanoyl-CoA as an acyl donor. Moreover, a four-amino acid peptide derived from the N-terminal sequence of ghrelin can be modified by GOAT, indicating that these four amino acids constitute the core motif for substrate recognition by the enzyme.
ناشر
Database: Elsevier - ScienceDirect (ساینس دایرکت)
Journal: Biochemical and Biophysical Research Communications - Volume 386, Issue 1, 14 August 2009, Pages 153-158
Journal: Biochemical and Biophysical Research Communications - Volume 386, Issue 1, 14 August 2009, Pages 153-158
نویسندگان
Hideko Ohgusu, Kaori Shirouzu, Yuki Nakamura, Yoshiki Nakashima, Takanori Ida, Takahiro Sato, Masayasu Kojima,