Fragmented sarcoplasmic reticulum and transverse tubular system, as isolated in the microsomal fraction from rabbit skeletal muscle, bind H+, Na+, K+, Ca++, Mg++, and Zn++. The binding depends on a cation exchange type of interaction between these cations and the chemical components of the membranou
Calcium-binding properties of skeletal muscle microsomes
β Scribed by Sampson, Sanford R. ;Karler, Ralph
- Publisher
- Wiley (John Wiley & Sons)
- Year
- 1963
- Tongue
- English
- Weight
- 501 KB
- Volume
- 62
- Category
- Article
- ISSN
- 0095-9898
No coin nor oath required. For personal study only.
β¦ Synopsis
cology Training Grant (26-153), and a research career program award (NB-K3-8641-R1) from the National Institute of Neurological Diseases and Blindness, National Institutes of Health.
2 Recent studies (Hasselbach and Makinose, '61; Ebashi and Lipmann, '62) concerning. the blnding of C a + + by the granules of the relaxing factor has shown that these particles believed to be derived from the SR can "pump" % a + + i n the presence of ATP. These korkers propose that the Ca f + accumulation by the relaxing factor is involved i n the rcactions of muscle relaxation However present concepts of the function of the 'SR impliiate this structure in e,xcitation-contraction coupling rather than in relaxation.
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