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Analysis & Separations

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Force Spectroscopy of the Iron Atom in Heme Proteins

Poster

Published: March 3, 2009

| Last Updated: March 4, 2009

Force Spectroscopy of the Iron Atom in Heme Proteins content piece image

Nuclear resonance vibrational spectroscopy (NRVS) selectively reveals the complete vibrational density of states (VDOS) of a Mössbauer probe nucleus within a protein. Frequency moments of the VDOS determine effective force constants for 57Fe at the active sites of cytochrome c (cyt c) and deoxymyoglobin (Mb).