The Fk1 domain of FKBP51 in complex with (2\'R,5\'S,12\'R)-12\'-cyclohexyl-2\'-[2-(3,4-dimethoxyphenyl)ethyl]-3\',19\'-dioxa-10\',13\',16\'-triazaspiro[cyclopropane-1,15\'- tricyclo[18.3.1.0-5,10]tetracosane]-1\'(24\'),20\',22\'-triene-4\',11\',14\',17\'-tetrone
