In contrast to existing approaches the small molecules regarding the present invention do not bind to C3 type PEP carboxylases although these enzymes show sequence identity of up to 95% with the C4 enzyme. Hence they do not affect the C3 metabolism. Consequently, C3 plants prosper well, C4 plants do not.
The present invention provides compounds being capable of binding selectively to a specific site of PEP carboxylases from a C4 plant and thereby inhibiting this enzyme.
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