Molecular Weights (MW)Average MW RNA nucleotide = 340 DaltonsMW ss RNA = (# nucleotides) x 340Average MW RNA basepair = 680 DaltonsMW ds RNA = (# nucleotides) x 680Average MW DNA nucleotide = 330 Daltons MW ss DNA = (# nucleotides) x 330Average MW DNA basepair = 660 DaltonsMW ds DNA = (# basepairs) x 660Average MW of an amino acid = 110 DaltonsAverage MW of a protein = (# of amino acids) x 110 Conversions for Protein and DNA Size and WeightAverage molecular weight of an amino acid = 110 Daltons333 amino acids = 37 kDa protein10 kDa protein = 270 bp DNA100 pmol of 1 kDa protein = 100 ng 1 kb of ds DNA = 6.6 x 10/5 Daltons1 kb of ss DNA = 3.3 x 10/5 Daltons1 kb of ss RNA = 3.4 x 10/5 DaltonsAverage weight of a nucleotide = 330 Daltons1 µg of 1000 bp DNA = 1.53 pmol (3.03 pmol of DNA ends) 1 pmol of 1000 bp DNA = 0,66 µg1 A260 unit of ds DNA = 50 µg/ml1 A260 unit of ss DNA = 33 µg/ml1 A260 unit of ss RNA = 40 µg/ml Got something to say about this post? Leave a comment...your comments are valuable for improving the posts.