LEM3/YNL323W 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] 23 5.6%
Arg[R] 18 4.3%
Asn[N] 29 7.0%
Asp[D] 29 7.0%
Cys[C] 7 1.7%
Gln[Q] 15 3.6%
Glu[E] 24 5.8%
Gly[G] 27 6.5%
His[H] 7 1.7%
Ile[I] 26 6.3%
Leu[L] 30 7.2%
Lys[K] 28 6.8%
Met[M] 8 1.9%
Phe[F] 20 4.8%
Pro[P] 21 5.1%
Ser[S] 21 5.1%
Thr[T] 26 6.3%
Trp[W] 10 2.4%
Tyr[Y] 21 5.1%
Val[V] 24 5.8%
Total Length 414

Instability index
Instability index (II) 29.47
This classifies the protein as stable

Atomic composition
Carbon 2136
Hydrogen 3248
Nitrogen 564
Oxygen 633
Sulfur 15
Total number of atoms 6596
Formula = C2136H3248N564O633S15

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 86665 M-1 cm-1
assuming NO Cys residues appear as half cystines 86290 M-1 cm-1
assuming all Cys residues are reduced 86290 M-1 cm-1
assuming all pairs of Cys residues form cystines 86665 M-1 cm-1

Aliphatic index
Aliphatic index 75.12

Coding Region Translation Calculations
Codon Bias 0.047
Codon Adaptation Index 0.138
Frequency of Optimal Codons 0.444
Hydropathicity of Protein -0.497
Aromaticity Score 0.123