Minimal NMR distance information for rigidity of protein graphs

  • Carlile Lavor
  • , Leo Liberti
  • , Bruce Donald
  • , Bradley Worley
  • , Benjamin Bardiaux
  • , Thérèse E. Malliavin
  • , Michael Nilges

Research output: Contribution to journalArticlepeer-review

Abstract

Nuclear Magnetic Resonance (NMR) experiments provide distances between nearby atoms of a protein molecule. The corresponding structure determination problem is to determine the 3D protein structure by exploiting such distances. We present a new order on the atoms of the protein, based on information from the chemistry of proteins and NMR experiments, which allows us to formulate the problem as a combinatorial search. Additionally, this order tells us what kind of NMR distance information is crucial to understand the cardinality of the solution set of the problem and its computational complexity.

Original languageEnglish
Pages (from-to)91-104
Number of pages14
JournalDiscrete Applied Mathematics
Volume256
DOIs
Publication statusPublished - 15 Mar 2019

Keywords

  • Distance geometry
  • Molecular structure
  • Nuclear magnetic resonance
  • Vertex orders

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