YFL040W 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 3.3%
Arg[R] 14 2.6%
Asn[N] 20 3.7%
Asp[D] 14 2.6%
Cys[C] 12 2.2%
Gln[Q] 13 2.4%
Glu[E] 24 4.4%
Gly[G] 47 8.7%
His[H] 7 1.3%
Ile[I] 66 12.2%
Leu[L] 66 12.2%
Lys[K] 32 5.9%
Met[M] 21 3.9%
Phe[F] 36 6.7%
Pro[P] 24 4.4%
Ser[S] 40 7.4%
Thr[T] 33 6.1%
Trp[W] 13 2.4%
Tyr[Y] 15 2.8%
Val[V] 25 4.6%
Total Length 540

Instability index
Instability index (II) 36.42
This classifies the protein as stable

Atomic composition
Carbon 2819
Hydrogen 4410
Nitrogen 674
Oxygen 738
Sulfur 33
Total number of atoms 8674
Formula = C2819H4410N674O738S33

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 94600 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 94600 M-1 cm-1

Aliphatic index
Aliphatic index 112.09

Coding Region Translation Calculations
Codon Bias -0.015
Codon Adaptation Index 0.103
Frequency of Optimal Codons 0.403
Hydropathicity of Protein 0.470
Aromaticity Score 0.119