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Subpicosecond UV spectroscopy of carbonmonoxy-myoglobin: Absorption and circular dichroism studies
Abstract : A thorough absorption and circular dichroism study is performed in carbonmonoxy-myoglobin with a sub-picosecond visible pump, ultraviolet probe experiment. Differential absorption in the 220-360 nm range shows that the time-resolved response mainly comes from the heme and that aromatic amino acids do not contribute significantly. Time-resolved CD at 260 nm shows no dynamics and confirms this result. On the contrary, a strong CD dynamics is observed at 230 nm. This signal could originate from transient deformation of the a-helices in the protein. Cop. the Owner Societies.
https://hal-polytechnique.archives-ouvertes.fr/hal-00824060
Contributor : Denis Roura Connect in order to contact the contributor
Submitted on : Wednesday, May 22, 2013 - 1:36:56 PM
Last modification on : Thursday, November 18, 2021 - 3:42:03 PM
Contributor : Denis Roura Connect in order to contact the contributor
Submitted on : Wednesday, May 22, 2013 - 1:36:56 PM
Last modification on : Thursday, November 18, 2021 - 3:42:03 PM
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