VMA6/YLR447C 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] 20 5.8%
Arg[R] 15 4.3%
Asn[N] 22 6.4%
Asp[D] 24 7.0%
Cys[C] 6 1.7%
Gln[Q] 16 4.6%
Glu[E] 28 8.1%
Gly[G] 16 4.6%
His[H] 5 1.4%
Ile[I] 24 7.0%
Leu[L] 38 11.0%
Lys[K] 12 3.5%
Met[M] 8 2.3%
Phe[F] 17 4.9%
Pro[P] 9 2.6%
Ser[S] 24 7.0%
Thr[T] 22 6.4%
Trp[W] 4 1.2%
Tyr[Y] 21 6.1%
Val[V] 14 4.1%
Total Length 345

Instability index
Instability index (II) 42.14
This classifies the protein as unstable

Atomic composition
Carbon 1779
Hydrogen 2714
Nitrogen 454
Oxygen 555
Sulfur 14
Total number of atoms 5516
Formula = C1779H2714N454O555S14

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 53665 M-1 cm-1
assuming NO Cys residues appear as half cystines 53290 M-1 cm-1
assuming all Cys residues are reduced 53290 M-1 cm-1
assuming all pairs of Cys residues form cystines 53665 M-1 cm-1

Aliphatic index
Aliphatic index 87.65

Coding Region Translation Calculations
Codon Bias 0.289
Codon Adaptation Index 0.248
Frequency of Optimal Codons 0.583
Hydropathicity of Protein -0.309
Aromaticity Score 0.122