YHR020W 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] 54 7.8%
Arg[R] 26 3.8%
Asn[N] 25 3.6%
Asp[D] 38 5.5%
Cys[C] 9 1.3%
Gln[Q] 31 4.5%
Glu[E] 56 8.1%
Gly[G] 39 5.7%
His[H] 13 1.9%
Ile[I] 38 5.5%
Leu[L] 48 7.0%
Lys[K] 60 8.7%
Met[M] 14 2.0%
Phe[F] 32 4.7%
Pro[P] 37 5.4%
Ser[S] 47 6.8%
Thr[T] 33 4.8%
Trp[W] 12 1.7%
Tyr[Y] 21 3.1%
Val[V] 55 8.0%
Total Length 688

Instability index
Instability index (II) 44.22
This classifies the protein as unstable

Atomic composition
Carbon 3476
Hydrogen 5426
Nitrogen 920
Oxygen 1034
Sulfur 23
Total number of atoms 10879
Formula = C3476H5426N920O1034S23

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 97790 M-1 cm-1
assuming NO Cys residues appear as half cystines 97290 M-1 cm-1
assuming all Cys residues are reduced 97290 M-1 cm-1
assuming all pairs of Cys residues form cystines 97790 M-1 cm-1

Aliphatic index
Aliphatic index 79.78

Coding Region Translation Calculations
Codon Bias 0.420
Codon Adaptation Index 0.355
Frequency of Optimal Codons 0.659
Hydropathicity of Protein -0.394
Aromaticity Score 0.094