RSP5/YER125W 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] 38 4.7%
Arg[R] 58 7.2%
Asn[N] 40 4.9%
Asp[D] 53 6.6%
Cys[C] 4 0.5%
Gln[Q] 41 5.1%
Glu[E] 51 6.3%
Gly[G] 58 7.2%
His[H] 17 2.1%
Ile[I] 32 4.0%
Leu[L] 57 7.0%
Lys[K] 39 4.8%
Met[M] 12 1.5%
Phe[F] 41 5.1%
Pro[P] 37 4.6%
Ser[S] 63 7.8%
Thr[T] 74 9.1%
Trp[W] 13 1.6%
Tyr[Y] 28 3.5%
Val[V] 53 6.6%
Total Length 809

Instability index
Instability index (II) 40.11
This classifies the protein as unstable

Atomic composition
Carbon 4051
Hydrogen 6266
Nitrogen 1150
Oxygen 1264
Sulfur 16
Total number of atoms 12747
Formula = C4051H6266N1150O1264S16

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 113470 M-1 cm-1
assuming NO Cys residues appear as half cystines 113220 M-1 cm-1
assuming all Cys residues are reduced 113220 M-1 cm-1
assuming all pairs of Cys residues form cystines 113470 M-1 cm-1

Aliphatic index
Aliphatic index 66.60

Coding Region Translation Calculations
Codon Bias 0.162
Codon Adaptation Index 0.186
Frequency of Optimal Codons 0.499
Hydropathicity of Protein -0.678
Aromaticity Score 0.101