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Insulin-like growth...
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Hober, SophiaKTH,Biokemi och biokemisk teknologi
(författare)
Insulin-like growth factors I and II are unable to form and maintain their native disulfides under in vivo redox conditions.
- Artikel/kapitelEngelska1999
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Nummerbeteckningar
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LIBRIS-ID:oai:DiVA.org:kth-184214
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https://urn.kb.se/resolve?urn=urn:nbn:se:kth:diva-184214URI
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https://doi.org/10.1016/S0014-5793(98)01737-2DOI
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http://kipublications.ki.se/Default.aspx?queryparsed=id:1957251URI
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Språk:engelska
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Sammanfattning på:engelska
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Ämneskategori:ref swepub-contenttype
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Ämneskategori:art swepub-publicationtype
Anmärkningar
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NR 20160331
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Insulin-like growth factor (IGF) I does not quantitatively form its three native disulfide bonds in the presence of 10 mM reduced and 1 mM oxidized glutathione in vitro [Hober, S. et al. (1992) Biochemistry 31, 1749-1756]. In this paper, we show (i) that both IGF-I and IGF-II are unable to form and maintain their native disulfide bonds at redox conditions that are similar to the situation in the secretory vesicles in vivo and (ii) that the presence of protein disulfide isomerase does not overcome this problem. The results indicate that the previously described thermodynamic disulfide exchange folding problem of IGF-I in vitro is also present in vivo. Speculatively, we suggest that the thermodynamic disulfide exchange properties of IGF-I and II are biologically significant for inactivation of the unbound growth factors by disulfide exchange reactions to generate variants destined for rapid clearance.
Ämnesord och genrebeteckningar
Biuppslag (personer, institutioner, konferenser, titlar ...)
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Lundström Ljung, J
(författare)
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Uhlén, MathiasKTH,Biokemi och biokemisk teknologi(Swepub:kth)u1dulvmw
(författare)
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Nilsson, B
(författare)
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KTHBiokemi och biokemisk teknologi
(creator_code:org_t)
Sammanhörande titlar
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Ingår i:FEBS Letters443:30014-57931873-3468
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