1CIU:
reference: Crystal structure at 2.3 A resolution and revised nucleotide sequence of the thermostable cyclodextrin glycosyltransferase from Thermonanaerobacterium thermosulfurigenes EM1., Knegtel RM, Wind RD, Rozeboom HJ, Kalk KH, Buitelaar RM, Dijkhuizen L, Dijkstra BW, J Mol Biol 1996 Mar 1;256(3):611-22. PMID: 8604143

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