Models for hemoglobin and allosteric enzymes
β Scribed by Colin J. Thompson
- Publisher
- Wiley (John Wiley & Sons)
- Year
- 1968
- Tongue
- English
- Weight
- 795 KB
- Volume
- 6
- Category
- Article
- ISSN
- 0006-3525
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β¦ Synopsis
Synopsis
A model for hemoglobin is proposed and its application to allosteric enzymes is discussed with particular reference to asparate transcarbamylase. The main assumptions made are that the molecule is composed of subunits and that occupation of a subunit produces a conformational change which affectv the occupational probability of neighboring subunits. The results compare favorably with experiment and a number of specific predictions are made for aspartate transcarbamylase.
π SIMILAR VOLUMES
## Synopsis A previous equilibrium model is generalized to study time-depeiident behavior of hernoglobin aiid allosteric enzymes. An exact solution for two interacting subunits (e.g., diheme) is given, and a general method for solving the resulting set of difiereritial equations is outlined. At ha
As indicated by peptide analyses and mass spectrometry estimations, intramolecular crosslink with bis(3,5-dibromosalicyl)adipate of bovine hemoglobin results in the formation of two main components covalently bridged across the β€-cleft. In one component the crosslink joins the β€ 1 V1-β€ 2 K81 residue