ZRG17/YNR039C 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] 34 5.6%
Arg[R] 20 3.3%
Asn[N] 44 7.3%
Asp[D] 27 4.5%
Cys[C] 4 0.7%
Gln[Q] 20 3.3%
Glu[E] 24 4.0%
Gly[G] 22 3.6%
His[H] 12 2.0%
Ile[I] 55 9.1%
Leu[L] 62 10.2%
Lys[K] 29 4.8%
Met[M] 12 2.0%
Phe[F] 35 5.8%
Pro[P] 34 5.6%
Ser[S] 75 12.4%
Thr[T] 47 7.8%
Trp[W] 6 1.0%
Tyr[Y] 18 3.0%
Val[V] 25 4.1%
Total Length 605

Instability index
Instability index (II) 43.80
This classifies the protein as unstable

Atomic composition
Carbon 3041
Hydrogen 4756
Nitrogen 788
Oxygen 912
Sulfur 16
Total number of atoms 9513
Formula = C3041H4756N788O912S16

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 60070 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 60070 M-1 cm-1

Aliphatic index
Aliphatic index 93.02

Coding Region Translation Calculations
Codon Bias 0.019
Codon Adaptation Index 0.116
Frequency of Optimal Codons 0.421
Hydropathicity of Protein -0.081
Aromaticity Score 0.098