PRP42/YDR235W 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] 13 2.4%
Arg[R] 16 2.9%
Asn[N] 28 5.1%
Asp[D] 26 4.8%
Cys[C] 10 1.8%
Gln[Q] 25 4.6%
Glu[E] 40 7.4%
Gly[G] 12 2.2%
His[H] 7 1.3%
Ile[I] 37 6.8%
Leu[L] 75 13.8%
Lys[K] 54 9.9%
Met[M] 10 1.8%
Phe[F] 30 5.5%
Pro[P] 12 2.2%
Ser[S] 49 9.0%
Thr[T] 24 4.4%
Trp[W] 13 2.4%
Tyr[Y] 41 7.5%
Val[V] 22 4.0%
Total Length 544

Instability index
Instability index (II) 41.12
This classifies the protein as unstable

Atomic composition
Carbon 3013
Hydrogen 4606
Nitrogen 726
Oxygen 844
Sulfur 20
Total number of atoms 9209
Formula = C3013H4606N726O844S20

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 133215 M-1 cm-1
assuming NO Cys residues appear as half cystines 132590 M-1 cm-1
assuming all Cys residues are reduced 132590 M-1 cm-1
assuming all pairs of Cys residues form cystines 133215 M-1 cm-1

Aliphatic index
Aliphatic index 94.41

Coding Region Translation Calculations
Codon Bias 0.007
Codon Adaptation Index 0.131
Frequency of Optimal Codons 0.424
Hydropathicity of Protein -0.315
Aromaticity Score 0.154