URA7/YBL039C 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 5.2%
Arg[R] 21 3.6%
Asn[N] 20 3.5%
Asp[D] 35 6.0%
Cys[C] 8 1.4%
Gln[Q] 15 2.6%
Glu[E] 48 8.3%
Gly[G] 48 8.3%
His[H] 20 3.5%
Ile[I] 40 6.9%
Leu[L] 55 9.5%
Lys[K] 45 7.8%
Met[M] 17 2.9%
Phe[F] 19 3.3%
Pro[P] 23 4.0%
Ser[S] 30 5.2%
Thr[T] 35 6.0%
Trp[W] 6 1.0%
Tyr[Y] 18 3.1%
Val[V] 46 7.9%
Total Length 579

Instability index
Instability index (II) 34.87
This classifies the protein as stable

Atomic composition
Carbon 2890
Hydrogen 4580
Nitrogen 768
Oxygen 864
Sulfur 25
Total number of atoms 9127
Formula = C2890H4580N768O864S25

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 60320 M-1 cm-1
assuming NO Cys residues appear as half cystines 59820 M-1 cm-1
assuming all Cys residues are reduced 59820 M-1 cm-1
assuming all pairs of Cys residues form cystines 60320 M-1 cm-1

Aliphatic index
Aliphatic index 92.21

Coding Region Translation Calculations
Codon Bias 0.352
Codon Adaptation Index 0.309
Frequency of Optimal Codons 0.619
Hydropathicity of Protein -0.239
Aromaticity Score 0.074