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The precise molecular mechanisms that determine the three-dimensional architectures of tissues remain largely unknown. Within tissues rich in extracellular matrix, collagen fibrils are frequently arranged in a tissue-specific manner, as in certain liquid crystals. For example, the continuous twist between fibrils in compact bone osteons resembles a cholesteric mesophase, while in tendon, the regular,...
Whereas factors governing the interconversion of the two oligomeric forms of mitochondrial creatine kinase are relatively well known, few informations are yet available on the actual form in situ. Antibodies against purified pig and rabbit heart mitochondrial creatine kinase were obtained. The former exhibits a marked specificity for the dimer while the second reacts with both dimer and octamer. They...
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