Structure and conformations of two cycloisomeric hexapeptides: cyclo(L-Leu-L-Phe-Gly-D-Phe-L-Leu-Gly-) trihydrate and cyclo(L-Phe-L-Leu-Gly-D-Leu-L-Phe-Gly-) trihydrate
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cyclo(L-Leucyl-L-phenylalanyl-glycyl-D-phenylalanyl-L-leucyl-glycyl-) trihydrate (IV), C34H46N6O6.-3H2O, Mr = 688.8, monoclinic, P2(1), a = 11.720 (2), b = 36.354 (4), c = 8.888 (1) A, beta = 103.88 (1) degree, V = 3676.3 A3, Z = 4, Dx = 1.244 g cm-3, lambda (... ...