RAD50/YNL250W 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] 49 3.7%
Arg[R] 59 4.5%
Asn[N] 92 7.0%
Asp[D] 97 7.4%
Cys[C] 9 0.7%
Gln[Q] 79 6.0%
Glu[E] 132 10.1%
Gly[G] 29 2.2%
His[H] 22 1.7%
Ile[I] 101 7.7%
Leu[L] 153 11.7%
Lys[K] 149 11.4%
Met[M] 27 2.1%
Phe[F] 39 3.0%
Pro[P] 14 1.1%
Ser[S] 108 8.2%
Thr[T] 73 5.6%
Trp[W] 5 0.4%
Tyr[Y] 28 2.1%
Val[V] 47 3.6%
Total Length 1312

Instability index
Instability index (II) 43.28
This classifies the protein as unstable

Atomic composition
Carbon 6661
Hydrogen 10884
Nitrogen 1858
Oxygen 2151
Sulfur 36
Total number of atoms 21590
Formula = C6661H10884N1858O2151S36

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 69720 M-1 cm-1
assuming NO Cys residues appear as half cystines 69220 M-1 cm-1
assuming all Cys residues are reduced 69220 M-1 cm-1
assuming all pairs of Cys residues form cystines 69720 M-1 cm-1

Aliphatic index
Aliphatic index 89.63

Coding Region Translation Calculations
Codon Bias 0.084
Codon Adaptation Index 0.171
Frequency of Optimal Codons 0.474
Hydropathicity of Protein -0.781
Aromaticity Score 0.055