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Crystallization and preliminary X-ray study of haem-binding protein from the bloodsucking insect Rhodnius prolixus
R A Nagem1, J R Brandão Neto, V P Forrer
1Gleb Wataghin Physics Institute, State University of Campinas, UNICAMP, Caixa Postal 6165, CEP 13083-970, Campinas, SP, Brazil.
Abstract:
Rhodnius haem-binding protein (RHBP) from the bloodsucking insect Rhodnius prolixus, a 15 kDa protein, has been crystallized using polyethylene glycol as a precipitant. X-ray diffraction data have been collected at a synchrotron source. The crystals belong to the space group P4(1(3))2(1)2, with unit-cell parameters a = b = 64.98, c = 210.68 A, and diffract beyond 2.6 A resolution.