EFG1/YGR271C-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] 12 5.2%
Arg[R] 16 6.9%
Asn[N] 12 5.2%
Asp[D] 19 8.2%
Cys[C] 1 0.4%
Gln[Q] 10 4.3%
Glu[E] 21 9.0%
Gly[G] 8 3.4%
His[H] 2 0.9%
Ile[I] 13 5.6%
Leu[L] 29 12.4%
Lys[K] 35 15.0%
Met[M] 5 2.1%
Phe[F] 7 3.0%
Pro[P] 7 3.0%
Ser[S] 12 5.2%
Thr[T] 10 4.3%
Trp[W] 0 0.0%
Tyr[Y] 5 2.1%
Val[V] 9 3.9%
Total Length 233

Instability index
Instability index (II) 44.50
This classifies the protein as unstable

Atomic composition
Carbon 1193
Hydrogen 1986
Nitrogen 342
Oxygen 363
Sulfur 6
Total number of atoms 3890
Formula = C1193H1986N342O363S6

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 7450
assuming NO Cys residues appear as half cystines 7450
assuming all Cys residues are reduced 7450 M-1 cm-1
assuming all pairs of Cys residues form cystines 7450 M-1 cm-1

Aliphatic index
Aliphatic index 86.65

Coding Region Translation Calculations
Codon Bias 0.012
Codon Adaptation Index 0.145
Frequency of Optimal Codons 0.412
Hydropathicity of Protein -0.900
Aromaticity Score 0.052