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Expression, purification, and crystallization of the catalytic domain of protein tyrosine phosphatase SHP-1.

The catalytic domain of SHP-1, a SH2-domain containing protein tyrosine phosphatase, has been crystallized by the vapor diffusion method using polyethylene glycol as the precipitant. The crystals belong to the monoclinic space group P21 with unit cell dimensions a = 42.12 A, b = 87.94 A, c = 43.22 A, alpha = 90.0 degrees, beta = 120.12 degrees, and gamma = 90.0 degrees. There is one catalytic domain of SHP-1 per asymmetric unit. X-ray was diffracted to at least 2.5 A and the crystals are appropriate for high-resolution structure determination.[1]

References

  1. Expression, purification, and crystallization of the catalytic domain of protein tyrosine phosphatase SHP-1. Liang, X., Meng, W., Niu, T., Zhao, Z., Zhou, G.W. J. Struct. Biol. (1997) [Pubmed]
 
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