SGS1/YMR190C 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] 71 4.9%
Arg[R] 82 5.7%
Asn[N] 104 7.2%
Asp[D] 107 7.4%
Cys[C] 18 1.2%
Gln[Q] 67 4.6%
Glu[E] 101 7.0%
Gly[G] 62 4.3%
His[H] 33 2.3%
Ile[I] 91 6.3%
Leu[L] 103 7.1%
Lys[K] 104 7.2%
Met[M] 38 2.6%
Phe[F] 50 3.5%
Pro[P] 61 4.2%
Ser[S] 147 10.2%
Thr[T] 93 6.4%
Trp[W] 6 0.4%
Tyr[Y] 40 2.8%
Val[V] 69 4.8%
Total Length 1447

Instability index
Instability index (II) 45.90
This classifies the protein as unstable

Atomic composition
Carbon 7082
Hydrogen 11278
Nitrogen 2040
Oxygen 2315
Sulfur 56
Total number of atoms 22771
Formula = C7082H11278N2040O2315S56

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 93725 M-1 cm-1
assuming NO Cys residues appear as half cystines 92600 M-1 cm-1
assuming all Cys residues are reduced 92600 M-1 cm-1
assuming all pairs of Cys residues form cystines 93725 M-1 cm-1

Aliphatic index
Aliphatic index 71.02

Coding Region Translation Calculations
Codon Bias 0.027
Codon Adaptation Index 0.139
Frequency of Optimal Codons 0.431
Hydropathicity of Protein -0.756
Aromaticity Score 0.066