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nmrlearner 10-12-2010 02:52 PM

Automated protein resonance assignments of magic angle spinning solid-state NMR spect
 
Automated protein resonance assignments of magic angle spinning solid-state NMR spectra of ?1 immunoglobulin binding domain of protein G (GB1).

Related Articles Automated protein resonance assignments of magic angle spinning solid-state NMR spectra of ?1 immunoglobulin binding domain of protein G (GB1).

J Biomol NMR. 2010 Oct 8;

Authors: Moseley HN, Sperling LJ, Rienstra CM

Magic-angle spinning solid-state NMR (MAS SSNMR) represents a fast developing experimental technique with great potential to provide structural and dynamics information for proteins not amenable to other methods. However, few automated analysis tools are currently available for MAS SSNMR. We present a methodology for automating protein resonance assignments of MAS SSNMR spectral data and its application to experimental peak lists of the ?1 immunoglobulin binding domain of protein G (GB1) derived from a uniformly (13)C- and (15)N-labeled sample. This application to the 56 amino acid GB1 produced an overall 84.1% assignment of the N, CO, CA, and CB resonances with no errors using peak lists from NCACX 3D, CANcoCA 3D, and CANCOCX 4D experiments. This proof of concept demonstrates the tractability of this problem.

PMID: 20931264 [PubMed - as supplied by publisher]



Source: PubMed


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