Cold denaturation of the HIV-1 protease monomer
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Cold denaturation of the HIV-1 protease monomer. / Rösner, Heike Ilona; Caldarini, Martina; Prestel, Andreas; Vanoni, Maria Antonietta; Broglia, Ricardo Americo; Aliverti, Alessandro; Tiana, Guido; Kragelund, Birthe Brandt.
I: Biochemistry, Bind 56, Nr. 8, 07.02.2017, s. 1029-1032.Publikation: Bidrag til tidsskrift › Tidsskriftartikel › Forskning › fagfællebedømt
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TY - JOUR
T1 - Cold denaturation of the HIV-1 protease monomer
AU - Rösner, Heike Ilona
AU - Caldarini, Martina
AU - Prestel, Andreas
AU - Vanoni, Maria Antonietta
AU - Broglia, Ricardo Americo
AU - Aliverti, Alessandro
AU - Tiana, Guido
AU - Kragelund, Birthe Brandt
PY - 2017/2/7
Y1 - 2017/2/7
N2 - The HIV-1-protease is a complex protein which in its active form adopts a homodimer dominated by -sheet structures. We have discovered a cold-denatured state of the monomeric subunit of HIV-1-protease which is populated above 0ºC and therefore directly accessible to various spectroscopic approaches. From NMR secondary chemical shifts, temperature coefficients and protein dynamics we suggest that the cold denatured state populates a compact wet globule containing transient non-native-like -helical elements. From the linearity of the temperature coefficients and the hydrodynamic radii, we propose that the overall architecture of the cold-denatured state is maintained over the temperature range studied.
AB - The HIV-1-protease is a complex protein which in its active form adopts a homodimer dominated by -sheet structures. We have discovered a cold-denatured state of the monomeric subunit of HIV-1-protease which is populated above 0ºC and therefore directly accessible to various spectroscopic approaches. From NMR secondary chemical shifts, temperature coefficients and protein dynamics we suggest that the cold denatured state populates a compact wet globule containing transient non-native-like -helical elements. From the linearity of the temperature coefficients and the hydrodynamic radii, we propose that the overall architecture of the cold-denatured state is maintained over the temperature range studied.
KW - Journal Article
U2 - 10.1021/acs.biochem.6b01141
DO - 10.1021/acs.biochem.6b01141
M3 - Journal article
C2 - 28168877
VL - 56
SP - 1029
EP - 1032
JO - Biochemistry
JF - Biochemistry
SN - 0006-2960
IS - 8
ER -
ID: 173651458