DPS1/YLL018C 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] 43 7.7%
Arg[R] 36 6.5%
Asn[N] 16 2.9%
Asp[D] 33 5.9%
Cys[C] 3 0.5%
Gln[Q] 23 4.1%
Glu[E] 57 10.2%
Gly[G] 32 5.7%
His[H] 12 2.2%
Ile[I] 28 5.0%
Leu[L] 56 10.1%
Lys[K] 48 8.6%
Met[M] 11 2.0%
Phe[F] 28 5.0%
Pro[P] 26 4.7%
Ser[S] 28 5.0%
Thr[T] 25 4.5%
Trp[W] 1 0.2%
Tyr[Y] 18 3.2%
Val[V] 33 5.9%
Total Length 557

Instability index
Instability index (II) 46.07
This classifies the protein as unstable

Atomic composition
Carbon 2837
Hydrogen 4505
Nitrogen 777
Oxygen 848
Sulfur 14
Total number of atoms 8981
Formula = C2837H4505N777O848S14

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 32445 M-1 cm-1
assuming NO Cys residues appear as half cystines 32320 M-1 cm-1
assuming all Cys residues are reduced 32320 M-1 cm-1
assuming all pairs of Cys residues form cystines 32445 M-1 cm-1

Aliphatic index
Aliphatic index 83.72

Coding Region Translation Calculations
Codon Bias 0.464
Codon Adaptation Index 0.350
Frequency of Optimal Codons 0.677
Hydropathicity of Protein -0.532
Aromaticity Score 0.084