MSN2/YMR037C Additional Physico-chemical Properties Help

Physico-chemical properties were determined using the ProtParam tool available through ExPASy to analyze the primary protein sequence for atomic composition, extinction coefficient, estimated half-life, instability index and aliphatic index. Transcript translation calculations were determined using CodonW.


A.A. Composition
Ala[A] 27 3.8%
Arg[R] 28 4.0%
Asn[N] 102 14.5%
Asp[D] 46 6.5%
Cys[C] 5 0.7%
Gln[Q] 30 4.3%
Glu[E] 23 3.3%
Gly[G] 18 2.6%
His[H] 21 3.0%
Ile[I] 39 5.5%
Leu[L] 56 8.0%
Lys[K] 31 4.4%
Met[M] 18 2.6%
Phe[F] 19 2.7%
Pro[P] 44 6.2%
Ser[S] 110 15.6%
Thr[T] 53 7.5%
Trp[W] 1 0.1%
Tyr[Y] 13 1.8%
Val[V] 20 2.8%
Total Length 704

Instability index
Instability index (II) 57.86
This classifies the protein as unstable

Atomic composition
Carbon 3290
Hydrogen 5228
Nitrogen 994
Oxygen 1151
Sulfur 23
Total number of atoms 10686
Formula = C3290H5228N994O1151S23

Estimated half-life
Escherichia coli (in vivo) >10 hours
mammalian reticulocytes (in vitro) 30 hours
yeast (in vivo) >20 hours

Extinction Coefficients at 280 nm
assuming ALL Cys residues appear as half cystines 25120 M-1 cm-1
assuming NO Cys residues appear as half cystines 24870 M-1 cm-1
assuming all Cys residues are reduced 24870 M-1 cm-1
assuming all pairs of Cys residues form cystines 25120 M-1 cm-1

Aliphatic index
Aliphatic index 64.70

Coding Region Translation Calculations
Codon Bias 0.056
Codon Adaptation Index 0.133
Frequency of Optimal Codons 0.442
Hydropathicity of Protein -0.877
Aromaticity Score 0.047