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By means of the 10-resonance unitary and analytic model of nucleonelectromagnetic structure it is demonstrated that the JLab proton polarizationdata on the ratio $\mu_p G_{Ep}(Q^2)/G_{Mp}(Q^2)$ are consistent with all formfactor properties, however, they strongly require an existence of the zero inG_{Ep}(Q^2) around Q^2=13 GeV^2. As a result there are two contradictingbehaviors of G_{Ep}(Q^2) in space-like region. Consequences of this phenomenonon the charge distribution within the proton, on the saturation of the newproton-neutron q^2-dependent sum rule, on the behavior of strange nucleon formfactors and the deuteron elastic structure functions through the impulseapproximation are investigated.

Implication of the proton electric FF space-like behavior puzzle in various physical phenomena