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Multiply excited vibrational states of docking-site CO simultaneously observed with ground-state bleach after photolysis from heme proteins

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Abstract

We simultaneously observe ultrafast ligand dissociation and docking-site absorption in carboxy-heme proteins. Highly sensitive visible pump/infrared probe spectroscopy reveals multiply excited vibrational states exhibiting distinct differences for hemoglobin and FixL.

© 2010 Optical Society of America

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