GRX4/YER174C 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] 18 7.4%
Arg[R] 8 3.3%
Asn[N] 9 3.7%
Asp[D] 16 6.6%
Cys[C] 2 0.8%
Gln[Q] 15 6.1%
Glu[E] 26 10.7%
Gly[G] 10 4.1%
His[H] 3 1.2%
Ile[I] 17 7.0%
Leu[L] 19 7.8%
Lys[K] 16 6.6%
Met[M] 4 1.6%
Phe[F] 16 6.6%
Pro[P] 11 4.5%
Ser[S] 22 9.0%
Thr[T] 10 4.1%
Trp[W] 2 0.8%
Tyr[Y] 4 1.6%
Val[V] 16 6.6%
Total Length 244

Instability index
Instability index (II) 46.11
This classifies the protein as unstable

Atomic composition
Carbon 1226
Hydrogen 1910
Nitrogen 316
Oxygen 389
Sulfur 6
Total number of atoms 3847
Formula = C1226H1910N316O389S6

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 17085 M-1 cm-1
assuming NO Cys residues appear as half cystines 16960 M-1 cm-1
assuming all Cys residues are reduced 16960 M-1 cm-1
assuming all pairs of Cys residues form cystines 17085 M-1 cm-1

Aliphatic index
Aliphatic index 83.93

Coding Region Translation Calculations
Codon Bias 0.040
Codon Adaptation Index 0.144
Frequency of Optimal Codons 0.441
Hydropathicity of Protein -0.355
Aromaticity Score 0.090