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Catalysis by canonical radical S-adenosyl-l-methionine (SAM) enzymes involves electron transfer (ET) from [4Fe-4S]+ to SAM, generating an R3S0 radical that undergoes regioselective homolytic reductive cleavage of the S-C5' bond to generate the 5'-dAdo· radical. However, cryogenic photoinduced S-C bond cleavage has regioselectively yielded either 5'-dAdo· or ·CH3, and indeed, each of the three SAM S-C bonds can be regioselectively cleaved in an RS enzyme. This diversity highlights a longstanding central question what controls

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Single Person Buggy - A Great Way to Get Around the Golf Course Single person buggy are an excellent way to move around the golf course. They are designed to carry your golf bag while you scoot to the next hole. Buggy parts include a frame, engine and safety equipment. You can purchase them online or in auto parts stores. Some kits come with pre-made frames while others are kits you can build yourself. It's a lot fun Driving around the golf course is a fun method of travel. However,