SAP30/YMR263W 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] 8 4.0%
Arg[R] 14 7.0%
Asn[N] 35 17.4%
Asp[D] 11 5.5%
Cys[C] 2 1.0%
Gln[Q] 11 5.5%
Glu[E] 8 4.0%
Gly[G] 14 7.0%
His[H] 8 4.0%
Ile[I] 7 3.5%
Leu[L] 11 5.5%
Lys[K] 16 8.0%
Met[M] 3 1.5%
Phe[F] 7 3.5%
Pro[P] 8 4.0%
Ser[S] 12 6.0%
Thr[T] 13 6.5%
Trp[W] 0 0.0%
Tyr[Y] 8 4.0%
Val[V] 5 2.5%
Total Length 201

Instability index
Instability index (II) 36.09
This classifies the protein as stable

Atomic composition
Carbon 976
Hydrogen 1531
Nitrogen 321
Oxygen 319
Sulfur 5
Total number of atoms 3152
Formula = C976H1531N321O319S5

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 12045 M-1 cm-1
assuming NO Cys residues appear as half cystines 11920 M-1 cm-1
assuming all Cys residues are reduced 11920 M-1 cm-1
assuming all pairs of Cys residues form cystines 12045 M-1 cm-1

Aliphatic index
Aliphatic index 46.12

Coding Region Translation Calculations
Codon Bias 0.032
Codon Adaptation Index 0.109
Frequency of Optimal Codons 0.434
Hydropathicity of Protein -1.428
Aromaticity Score 0.075