NAB3/YPL190C 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] 41 5.1%
Arg[R] 29 3.6%
Asn[N] 63 7.9%
Asp[D] 66 8.2%
Cys[C] 2 0.2%
Gln[Q] 83 10.3%
Glu[E] 82 10.2%
Gly[G] 44 5.5%
His[H] 18 2.2%
Ile[I] 35 4.4%
Leu[L] 40 5.0%
Lys[K] 37 4.6%
Met[M] 24 3.0%
Phe[F] 21 2.6%
Pro[P] 66 8.2%
Ser[S] 67 8.4%
Thr[T] 29 3.6%
Trp[W] 1 0.1%
Tyr[Y] 25 3.1%
Val[V] 29 3.6%
Total Length 802

Instability index
Instability index (II) 73.41
This classifies the protein as unstable

Atomic composition
Carbon 3849
Hydrogen 5939
Nitrogen 1109
Oxygen 1366
Sulfur 26
Total number of atoms 12289
Formula = C3849H5939N1109O1366S26

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 42875 M-1 cm-1
assuming NO Cys residues appear as half cystines 42750 M-1 cm-1
assuming all Cys residues are reduced 42750 M-1 cm-1
assuming all pairs of Cys residues form cystines 42875 M-1 cm-1

Aliphatic index
Aliphatic index 52.07

Coding Region Translation Calculations
Codon Bias 0.155
Codon Adaptation Index 0.205
Frequency of Optimal Codons 0.506
Hydropathicity of Protein -1.219
Aromaticity Score 0.059