SDS3/YIL084C 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] 16 4.9%
Arg[R] 29 8.9%
Asn[N] 28 8.6%
Asp[D] 24 7.3%
Cys[C] 1 0.3%
Gln[Q] 20 6.1%
Glu[E] 26 8.0%
Gly[G] 21 6.4%
His[H] 6 1.8%
Ile[I] 11 3.4%
Leu[L] 26 8.0%
Lys[K] 25 7.6%
Met[M] 4 1.2%
Phe[F] 11 3.4%
Pro[P] 9 2.8%
Ser[S] 30 9.2%
Thr[T] 17 5.2%
Trp[W] 1 0.3%
Tyr[Y] 13 4.0%
Val[V] 9 2.8%
Total Length 327

Instability index
Instability index (II) 48.89
This classifies the protein as unstable

Atomic composition
Carbon 1608
Hydrogen 2552
Nitrogen 500
Oxygen 536
Sulfur 5
Total number of atoms 5201
Formula = C1608H2552N500O536S5

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 24870 M-1 cm-1
assuming NO Cys residues appear as half cystines 24870 M-1 cm-1
assuming all Cys residues are reduced 24870 M-1 cm-1
assuming all pairs of Cys residues form cystines 24870 M-1 cm-1

Aliphatic index
Aliphatic index 57.00

Coding Region Translation Calculations
Codon Bias 0.149
Codon Adaptation Index 0.175
Frequency of Optimal Codons 0.488
Hydropathicity of Protein -1.257
Aromaticity Score 0.076