HMT1/YBR034C 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] 14 4.0%
Arg[R] 10 2.9%
Asn[N] 18 5.2%
Asp[D] 29 8.3%
Cys[C] 3 0.9%
Gln[Q] 7 2.0%
Glu[E] 24 6.9%
Gly[G] 21 6.0%
His[H] 12 3.4%
Ile[I] 25 7.2%
Leu[L] 30 8.6%
Lys[K] 28 8.0%
Met[M] 10 2.9%
Phe[F] 18 5.2%
Pro[P] 13 3.7%
Ser[S] 25 7.2%
Thr[T] 19 5.5%
Trp[W] 4 1.1%
Tyr[Y] 16 4.6%
Val[V] 22 6.3%
Total Length 348

Instability index
Instability index (II) 38.34
This classifies the protein as stable

Atomic composition
Carbon 1792
Hydrogen 2755
Nitrogen 459
Oxygen 540
Sulfur 13
Total number of atoms 5559
Formula = C1792H2755N459O540S13

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 45965 M-1 cm-1
assuming NO Cys residues appear as half cystines 45840 M-1 cm-1
assuming all Cys residues are reduced 45840 M-1 cm-1
assuming all pairs of Cys residues form cystines 45965 M-1 cm-1

Aliphatic index
Aliphatic index 83.99

Coding Region Translation Calculations
Codon Bias 0.282
Codon Adaptation Index 0.267
Frequency of Optimal Codons 0.587
Hydropathicity of Protein -0.378
Aromaticity Score 0.109