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Property Organism Value Units ID Details
Halftime of spontaneous protein (peptide bond) hydrolysis at 25°C Generic 400 years 105352 Wolfenden R, Snider MJ....
Length of peptide used in MHC class 1 antigen presentation Mammals 8 - 9 residues 109948 Kisselev AF, Akopian TN...
Estimated rate of peptide chain degradation by proteasome in Hela cell extract Eukaryotes ~0.2 peptide chains/min 108032 Hendil KB, Hartmann-Petersen...
Threshold for peptide selection (binding affinity) used to identify candidate T cell epitopes Mammals 500 nM 113840 Paul S, Weiskopf D, Angelo MA...
ATP requirement for the addition of an amino acid to a growing peptide chain Generic ~5 ATP/amino acid 107782 Piques et al., Ribosome...
Kinetic parameters for human polypeptide deformylase (HsPDF) with a comparison to other peptide deformylases Various Table - link N/A 104974 Lee MD, Antczak C, Li Y...
Estimated overall efficiency of peptide generation for MHC class I molecules is on the order of Unspecified 1 per 10,000 proteins degraded 113820 Yewdell JW, Reits E,...
Halftime of hydrolysis event of RNase A (123 peptide bonds) at 25°C Generic 4 years 105356 Wolfenden R, Snider MJ....
Fraction of all cells that are peptide- or polypeptide-producing enteroendocrine cells Mouse Mus musculus in stomach body ~7: in pyloric antrum 3: in small intestine crypt-villus cells ~0.5: in colon ~0.4 % 112583 Karam SM, Lineage commitment...
Variation in the peptide chain elongation rate and the number of active ribosomes in the cell per one amino acid in synthesised proteins in various microbes Various Table - link N/A 107194 Karpinets TV, Greenwood DJ...
Increase in premature peptide release at A site of ribosome when there is a single mismatch of codon/anti codon double helix at P site bacteria 2 Orders of magnitude 103486 Hani S. Zaher and Rachel...
Half-time of spontaneous peptide cis-trans isomerization in neutral solution at 25°C Generic 23 Figure link - link sec 107213 Wolfenden R, Snider MJ....
Catalytic rate of peptide bond cleavage by Lon and Clp with various substrates Bacteria Escherichia coli Table - link N/A 109927 Maurizi MR. Proteases...
Standard free energy of hydrolysis of the peptide bond in a polypeptide of infinite length Generic ~ -0.5 kcal/mol 109649 Spirin, A. S. (Aleksandr...
Increase in premature peptide release at A site of ribosome when there are single nucleotide codon mismatches at both P site and E site bacteria 4 Orders of magnitude 103487 Hani S. Zaher and Rachel...
Ratio of signal recognition particle (SRP) to ribosome prokaryote 1:100 SRP:Ribosome 104302 Raue U, Oellerer S, Rospert...
Basal circulating insulin levels (in blood) Rat Rattus norvegicus ~20 µU/ml 117252 Pocai A et al., Hypothalamic...
Comparison of kinetic constants for phosphorylation by Ca2+/CaM kinase II Cow Bos Taurus Table - link N/A 110571 Gandy S, Czernik AJ,...
Effective associaton coefficient of myristoylated protein with membrane lipids Generic 10000 M^-1 105722 McLaughlin S, Aderem...
Fraction of active ribosomes Bacteria Escherichia coli 0.8 unitless 102344 Bremer, H., Dennis, P....