1QYD | A:2-156,A:197-219,A:285-297; B:2-156,B:197-219,B:285-297; C:2-156,C:197-219,C:285-297; D:2-156,D:197-219,D:285-297 | CRYSTAL STRUCTURES OF PINORESINOL-LARICIRESINOL AND PHENYLCOUMARAN BENZYLIC ETHER REDUCTASES, AND THEIR RELATIONSHIP TO ISOFLAVONE REDUCTASES |