ERG11/YHR007C 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] 30 5.7%
Arg[R] 25 4.7%
Asn[N] 18 3.4%
Asp[D] 25 4.7%
Cys[C] 4 0.8%
Gln[Q] 17 3.2%
Glu[E] 31 5.8%
Gly[G] 34 6.4%
His[H] 18 3.4%
Ile[I] 33 6.2%
Leu[L] 52 9.8%
Lys[K] 37 7.0%
Met[M] 18 3.4%
Phe[F] 27 5.1%
Pro[P] 30 5.7%
Ser[S] 32 6.0%
Thr[T] 28 5.3%
Trp[W] 7 1.3%
Tyr[Y] 29 5.5%
Val[V] 35 6.6%
Total Length 530

Instability index
Instability index (II) 38.82
This classifies the protein as stable

Atomic composition
Carbon 2776
Hydrogen 4282
Nitrogen 720
Oxygen 767
Sulfur 22
Total number of atoms 8567
Formula = C2776H4282N720O767S22

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 81960 M-1 cm-1
assuming NO Cys residues appear as half cystines 81710 M-1 cm-1
assuming all Cys residues are reduced 81710 M-1 cm-1
assuming all pairs of Cys residues form cystines 81960 M-1 cm-1

Aliphatic index
Aliphatic index 87.36

Coding Region Translation Calculations
Codon Bias 0.579
Codon Adaptation Index 0.506
Frequency of Optimal Codons 0.749
Hydropathicity of Protein -0.220
Aromaticity Score 0.119