DIP2/YLR129W 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] 53 5.6%
Arg[R] 30 3.2%
Asn[N] 35 3.7%
Asp[D] 68 7.2%
Cys[C] 13 1.4%
Gln[Q] 33 3.5%
Glu[E] 68 7.2%
Gly[G] 58 6.2%
His[H] 24 2.5%
Ile[I] 65 6.9%
Leu[L] 105 11.1%
Lys[K] 85 9.0%
Met[M] 15 1.6%
Phe[F] 41 4.3%
Pro[P] 21 2.2%
Ser[S] 79 8.4%
Thr[T] 59 6.3%
Trp[W] 19 2.0%
Tyr[Y] 22 2.3%
Val[V] 50 5.3%
Total Length 943

Instability index
Instability index (II) 41.24
This classifies the protein as unstable

Atomic composition
Carbon 4764
Hydrogen 7511
Nitrogen 1253
Oxygen 1444
Sulfur 28
Total number of atoms 15000
Formula = C4764H7511N1253O1444S28

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 138030 M-1 cm-1
assuming NO Cys residues appear as half cystines 137280 M-1 cm-1
assuming all Cys residues are reduced 137280 M-1 cm-1
assuming all pairs of Cys residues form cystines 138030 M-1 cm-1

Aliphatic index
Aliphatic index 91.30

Coding Region Translation Calculations
Codon Bias 0.082
Codon Adaptation Index 0.166
Frequency of Optimal Codons 0.460
Hydropathicity of Protein -0.309
Aromaticity Score 0.087