PEX32/YBR168W 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] 11 2.7%
Arg[R] 20 4.8%
Asn[N] 22 5.3%
Asp[D] 19 4.6%
Cys[C] 5 1.2%
Gln[Q] 13 3.1%
Glu[E] 24 5.8%
Gly[G] 17 4.1%
His[H] 9 2.2%
Ile[I] 39 9.4%
Leu[L] 57 13.8%
Lys[K] 29 7.0%
Met[M] 7 1.7%
Phe[F] 26 6.3%
Pro[P] 17 4.1%
Ser[S] 30 7.3%
Thr[T] 26 6.3%
Trp[W] 13 3.1%
Tyr[Y] 15 3.6%
Val[V] 14 3.4%
Total Length 413

Instability index
Instability index (II) 47.72
This classifies the protein as unstable

Atomic composition
Carbon 2251
Hydrogen 3478
Nitrogen 568
Oxygen 606
Sulfur 12
Total number of atoms 6915
Formula = C2251H3478N568O606S12

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 94100 M-1 cm-1
assuming NO Cys residues appear as half cystines 93850 M-1 cm-1
assuming all Cys residues are reduced 93850 M-1 cm-1
assuming all pairs of Cys residues form cystines 94100 M-1 cm-1

Aliphatic index
Aliphatic index 103.15

Coding Region Translation Calculations
Codon Bias 0.000
Codon Adaptation Index 0.117
Frequency of Optimal Codons 0.410
Hydropathicity of Protein -0.104
Aromaticity Score 0.131