SMY2/YBR172C 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] 40 5.4%
Arg[R] 20 2.7%
Asn[N] 42 5.7%
Asp[D] 36 4.9%
Cys[C] 2 0.3%
Gln[Q] 40 5.4%
Glu[E] 50 6.8%
Gly[G] 39 5.3%
His[H] 12 1.6%
Ile[I] 32 4.3%
Leu[L] 57 7.7%
Lys[K] 73 9.9%
Met[M] 15 2.0%
Phe[F] 23 3.1%
Pro[P] 37 5.0%
Ser[S] 102 13.8%
Thr[T] 67 9.1%
Trp[W] 11 1.5%
Tyr[Y] 9 1.2%
Val[V] 33 4.5%
Total Length 740

Instability index
Instability index (II) 46.65
This classifies the protein as unstable

Atomic composition
Carbon 3538
Hydrogen 5678
Nitrogen 990
Oxygen 1173
Sulfur 17
Total number of atoms 11396
Formula = C3538H5678N990O1173S17

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 74035 M-1 cm-1
assuming NO Cys residues appear as half cystines 73910 M-1 cm-1
assuming all Cys residues are reduced 73910 M-1 cm-1
assuming all pairs of Cys residues form cystines 74035 M-1 cm-1

Aliphatic index
Aliphatic index 65.24

Coding Region Translation Calculations
Codon Bias 0.117
Codon Adaptation Index 0.157
Frequency of Optimal Codons 0.476
Hydropathicity of Protein -0.753
Aromaticity Score 0.058