%0 Journal Article %T QUANTIFICATION OF CHIRALITY SPIRAL PROTEIN STRUCTURES %A Lutsenko, A.O. %A Sidorova, A.E. %K proteins, chirality, enantiomers, alpha-carbon, right alpha-helix, left polyproline helix, vector product, direction vector, chirality map %J Russian Journal of Biological Physics and Chemisrty %D 2019 %N 4 %P 4 %I Federal State Educational Institution of Higher Education Sevastopol State University