CRH1/YGR189C 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] 38 7.5%
Arg[R] 6 1.2%
Asn[N] 15 3.0%
Asp[D] 31 6.1%
Cys[C] 2 0.4%
Gln[Q] 15 3.0%
Glu[E] 19 3.7%
Gly[G] 32 6.3%
His[H] 3 0.6%
Ile[I] 19 3.7%
Leu[L] 30 5.9%
Lys[K] 23 4.5%
Met[M] 8 1.6%
Phe[F] 15 3.0%
Pro[P] 13 2.6%
Ser[S] 123 24.3%
Thr[T] 60 11.8%
Trp[W] 7 1.4%
Tyr[Y] 18 3.6%
Val[V] 30 5.9%
Total Length 507

Instability index
Instability index (II) 49.60
This classifies the protein as unstable

Atomic composition
Carbon 2262
Hydrogen 3539
Nitrogen 591
Oxygen 839
Sulfur 10
Total number of atoms 7241
Formula = C2262H3539N591O839S10

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 65445 M-1 cm-1
assuming NO Cys residues appear as half cystines 65320 M-1 cm-1
assuming all Cys residues are reduced 65320 M-1 cm-1
assuming all pairs of Cys residues form cystines 65445 M-1 cm-1

Aliphatic index
Aliphatic index 62.35

Coding Region Translation Calculations
Codon Bias 0.335
Codon Adaptation Index 0.233
Frequency of Optimal Codons 0.600
Hydropathicity of Protein -0.304
Aromaticity Score 0.079