PMA2/YPL036W 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] 103 10.9%
Arg[R] 34 3.6%
Asn[N] 31 3.3%
Asp[D] 53 5.6%
Cys[C] 9 1.0%
Gln[Q] 26 2.7%
Glu[E] 61 6.4%
Gly[G] 76 8.0%
His[H] 13 1.4%
Ile[I] 69 7.3%
Leu[L] 89 9.4%
Lys[K] 46 4.9%
Met[M] 22 2.3%
Phe[F] 37 3.9%
Pro[P] 34 3.6%
Ser[S] 71 7.5%
Thr[T] 56 5.9%
Trp[W] 15 1.6%
Tyr[Y] 23 2.4%
Val[V] 79 8.3%
Total Length 947

Instability index
Instability index (II) 34.66
This classifies the protein as stable

Atomic composition
Carbon 4582
Hydrogen 7249
Nitrogen 1193
Oxygen 1383
Sulfur 31
Total number of atoms 14438
Formula = C4582H7249N1193O1383S31

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 117270 M-1 cm-1
assuming NO Cys residues appear as half cystines 116770 M-1 cm-1
assuming all Cys residues are reduced 116770 M-1 cm-1
assuming all pairs of Cys residues form cystines 117270 M-1 cm-1

Aliphatic index
Aliphatic index 100.14

Coding Region Translation Calculations
Codon Bias 0.385
Codon Adaptation Index 0.300
Frequency of Optimal Codons 0.629
Hydropathicity of Protein 0.145
Aromaticity Score 0.079