HPF1/YOL155C 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] 84 8.7%
Arg[R] 3 0.3%
Asn[N] 37 3.8%
Asp[D] 23 2.4%
Cys[C] 13 1.3%
Gln[Q] 15 1.6%
Glu[E] 46 4.8%
Gly[G] 88 9.1%
His[H] 5 0.5%
Ile[I] 42 4.3%
Leu[L] 33 3.4%
Lys[K] 21 2.2%
Met[M] 1 0.1%
Phe[F] 25 2.6%
Pro[P] 27 2.8%
Ser[S] 255 26.4%
Thr[T] 155 16.0%
Trp[W] 0 0.0%
Tyr[Y] 26 2.7%
Val[V] 68 7.0%
Total Length 967

Instability index
Instability index (II) 41.39
This classifies the protein as unstable

Atomic composition
Carbon 3960
Hydrogen 6307
Nitrogen 1059
Oxygen 1594
Sulfur 14
Total number of atoms 12934
Formula = C3960H6307N1059O1594S14

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 39490 M-1 cm-1
assuming NO Cys residues appear as half cystines 38740 M-1 cm-1
assuming all Cys residues are reduced 38740 M-1 cm-1
assuming all pairs of Cys residues form cystines 39490 M-1 cm-1

Aliphatic index
Aliphatic index 59.33

Coding Region Translation Calculations
Codon Bias 0.411
Codon Adaptation Index 0.276
Frequency of Optimal Codons 0.646
Hydropathicity of Protein -0.108
Aromaticity Score 0.053