PMID:12126108
| Citation |
Velleman, M and Parbus, S (1992) Purification of the C1 repressor of bacteriophage P1 by fast protein liquid chromatography. J. Chromatogr. 625:41-6 |
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| Abstract |
A fast protein liquid chromatographic method is described for the purification of the C1 repressor of bacteriophage P1 and its truncated form C1*. By using one crude extract, both repressor proteins were purified in parallel to homogeneity and were shown to interact specifically with P1 operator DNA in vitro. The method involves an affinity chromatographic step on heparin-Sepharose, followed by a combination of ion-exchange chromatography on Q Sepharose and S Sepharose. The availability of a homogeneous preparation of the phage repressor is a prerequisite for studies on its structure-function relationship. |
| Links | |
| Keywords |
Bacteriophage P1/chemistry; Chromatography, Ion Exchange; Chromatography, Liquid/methods; DNA, Viral; Electrophoresis, Polyacrylamide Gel; Repressor Proteins/isolation & purification |
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