Binding of protein SCP to myelin, its identity with protein P2. A simple method of protein P2 isolation
Protein SCP is found in myelin of spinal cord and spinal roots. It is shown that its amount accounts for 12% of the total protein content in myelin of spinal roots and only for 2% in myelin of spinal cord. Almost all the studied protein is extracted from myelin with 0.1 M NaCl (80-90%). The absolute...
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Published in | Ukrainskij biohimičeskij žurnal Vol. 52; no. 6; p. 753 |
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Main Authors | , , , , |
Format | Journal Article |
Language | Russian |
Published |
Ukraine
01.11.1980
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Subjects | |
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Abstract | Protein SCP is found in myelin of spinal cord and spinal roots. It is shown that its amount accounts for 12% of the total protein content in myelin of spinal roots and only for 2% in myelin of spinal cord. Almost all the studied protein is extracted from myelin with 0.1 M NaCl (80-90%). The absolute identity of protens SCP and P2 is established using the cross reaction immunodiffusion with monospecific antisera. It is shown that- N-terminal amino acid in protein SCP, like in protein P2 is blocked. On the basis of the data obtained a conclusion is made that protein P2 is not an integral protein of myelin. However, myelin is capable under conditions of a nonionic medium of binding protein which then may be easily extracted by increasing the medium ionic strength. This gave reasons to propose a method for protein P2 isolation from myelin using 0.15 M NaCl with the subsequent purification by means of Sephadex G-50 gelfiltration. |
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AbstractList | Protein SCP is found in myelin of spinal cord and spinal roots. It is shown that its amount accounts for 12% of the total protein content in myelin of spinal roots and only for 2% in myelin of spinal cord. Almost all the studied protein is extracted from myelin with 0.1 M NaCl (80-90%). The absolute identity of protens SCP and P2 is established using the cross reaction immunodiffusion with monospecific antisera. It is shown that- N-terminal amino acid in protein SCP, like in protein P2 is blocked. On the basis of the data obtained a conclusion is made that protein P2 is not an integral protein of myelin. However, myelin is capable under conditions of a nonionic medium of binding protein which then may be easily extracted by increasing the medium ionic strength. This gave reasons to propose a method for protein P2 isolation from myelin using 0.15 M NaCl with the subsequent purification by means of Sephadex G-50 gelfiltration. |
Author | Terletskaia, Ia T Khzuliná, E P Syrovatskaia, L P Belik, Ia V Ovander, M N |
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DocumentTitleAlternate | Sviaz' belka SCP s mielinom, identichnost' ego belky P2. Prostoĭ metod vydeleniia belka P2 |
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Snippet | Protein SCP is found in myelin of spinal cord and spinal roots. It is shown that its amount accounts for 12% of the total protein content in myelin of spinal... |
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SubjectTerms | Animals Cattle Male Myelin Basic Protein - isolation & purification Myelin Basic Protein - metabolism Myelin P2 Protein Myelin Sheath - metabolism Protein Binding Spinal Cord - metabolism |
Title | Binding of protein SCP to myelin, its identity with protein P2. A simple method of protein P2 isolation |
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