EST3/YIL009C-A 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] 7 3.9%
Arg[R] 4 2.2%
Asn[N] 10 5.5%
Asp[D] 10 5.5%
Cys[C] 6 3.3%
Gln[Q] 7 3.9%
Glu[E] 8 4.4%
Gly[G] 3 1.7%
His[H] 9 5.0%
Ile[I] 16 8.8%
Leu[L] 14 7.7%
Lys[K] 10 5.5%
Met[M] 4 2.2%
Phe[F] 9 5.0%
Pro[P] 10 5.5%
Ser[S] 20 11.0%
Thr[T] 12 6.6%
Trp[W] 1 0.6%
Tyr[Y] 7 3.9%
Val[V] 14 7.7%
Total Length 181

Instability index
Instability index (II) 52.40
This classifies the protein as unstable

Atomic composition
Carbon 921
Hydrogen 1429
Nitrogen 239
Oxygen 274
Sulfur 10
Total number of atoms 2873
Formula = C921H1429N239O274S10

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 16305 M-1 cm-1
assuming NO Cys residues appear as half cystines 15930 M-1 cm-1
assuming all Cys residues are reduced 15930 M-1 cm-1
assuming all pairs of Cys residues form cystines 16305 M-1 cm-1

Aliphatic index
Aliphatic index 90.94

Coding Region Translation Calculations
Codon Bias -0.094
Codon Adaptation Index 0.103
Frequency of Optimal Codons 0.381
Hydropathicity of Protein -0.086
Aromaticity Score 0.094