• 7APTThe Fk1 domain of FKBP51 in complex with ((1S,5S,6R)-10-((3,5-dichlorophenyl)sulfonyl)-2-oxo-5-vinyl-3,10-diazabicyclo[4.3.1]decan-3-yl)acetic acidUpdated Aug 13, 2026
• 8R5KThe Fk1 domain of FKBP51 in complex with Antascomicine BUpdated Aug 12, 2026
• 8CHQThe FK1 domain of FKBP51 in complex with (1S,5S,6R)-10-((S)-3,5-dichloro-N-methylphenylsulfonimidoyl)-3-(pyridin-2-ylmethyl)-5-vinyl-3,10-diazabicyclo[4.3.1]decan-2-oneUpdated Aug 12, 2026
• 8CHRThe FK1 domain of FKBP51 in complex with (1S,5S,6R)-10-((R)-(3,5-dichlorophenyl)sulfonimidoyl)-3-(pyridin-2-ylmethyl)-5-vinyl-3,10-diazabicyclo[4.3.1]decan-2-oneUpdated Aug 12, 2026
• 8CHPThe FK1 domain of FKBP51 in complex with (1S,5S,6R)-10-((S)-(3,5-dichlorophenyl)sulfinyl)-3-(pyridin-2-ylmethyl)-5-vinyl-3,10-diazabicyclo[4.3.1]decan-2-oneUpdated Aug 12, 2026
• 8CHNThe FK1 domain of FKBP51 in complex with (1S,5S,6R)-10-((S)-(3,5-dichlorophenyl)sulfonimidoyl)-3-(pyridin-2-ylmethyl)-5-vinyl-3,10-diazabicyclo[4.3.1]decan-2-oneUpdated Aug 12, 2026
• 8CCHThe Fk1 domain of FKBP51 in complex with 2-(3-((1R)-1-(((2S)-1-(2-cyclohexyl-2-(thiophen-2-yl)acetyl)piperidine-2-carbonyl)oxy)-3-(3,4-dimethoxyphenyl)propyl)phenoxy)acetic acidUpdated Aug 12, 2026
• 8CCGThe Fk1 domain of FKBP51 in complex with (2R,5S,12S)-12-(thiophen-2-yl)-2-[2-(3,4-dimethoxyphenyl)ethyl]-15,15-dimethyl-3,19-dioxa-10,13,16-triazatricyclo[18.3.1.0^5,^10]tetracosa-1(24),20,22-triene-4,11,14,17-tetroneUpdated Aug 12, 2026
• 8CCBThe Fk1 domain of FKBP51 in complex with 2-(3-((1R)-1-(((2S)-1-(2-(5-chlorothiophen-2-yl)-2-cyclohexylacetyl)piperidine-2-carbonyl)oxy)-3-(3,4-dimethoxyphenyl)propyl)phenoxy)acetic acidUpdated Aug 12, 2026
• 8CCEThe Fk1 domain of FKBP51 in complex with 2-(3-((R)-1-(((S)-1-((S)-2-(5-chlorothiophen-2-yl)butanoyl)piperidine-2-carbonyl)oxy)-3-(3,4-dimethoxyphenyl)propyl)phenoxy)acetic acidUpdated Aug 12, 2026
• 8CCCThe Fk1 domain of FKBP51 in complex with 2-(3-((R)-1-(((S)-1-((S)-2-(5-chlorothiophen-2-yl)propanoyl)piperidine-2-carbonyl)oxy)-3-(3,4-dimethoxyphenyl)propyl)phenoxy)acetic acidUpdated Aug 12, 2026
• 8CCAThe Fk1 domain of FKBP51 in complex with SAFit1Updated Aug 12, 2026
• 8BAJStructure of the FK1 domain of the FKBP51 G64S variant in complex with (1S,5S,6R)-10-((3,5-dichlorophenyl)sulfonyl)-5-(hydroxymethyl)-3-(pyridin-2-ylmethyl)-3,10-diazabicyclo[4.3.1]decan-2-oneUpdated Aug 12, 2026
• 8BA6Structure of the FK1 domain of the FKBP51 G64S variant in complex with (2R,5S,12R)-12-cyclohexyl-2-[2-(3,4-dimethoxyphenyl)ethyl]-15,15,16-trimethyl-3,19-dioxa-10,13,16-triazatricyclo[18.3.1.0^5,^10]tetracosa-1(24),20,22-triene-4,11,14,17-tetroneUpdated Aug 12, 2026
• 7R0LStructure of the FK1 domain of the FKBP51 G64S variant in complex with SAFit1Updated Aug 12, 2026
• 7ETUThe FK1 domain of FKBP51 in complex with peptide-inhibitor hit SFPFTUpdated Aug 11, 2026
• 7ETVThe FK1 domain of FKBP51 in complex with peptide-inhibitor hit DFPFVUpdated Aug 11, 2026
• 7ETTThe FK1 domain of FKBP51 in complex with peptide-inhibitor hit QFPFVUpdated Aug 11, 2026
• 7AWFThe Fk1 domain of FKBP51 in complex with (2R,5S,12R)-12-cyclohexyl-2-[2-(3,4-dimethoxyphenyl)ethyl]-15,15,16-trimethyl-3,19-dioxa-10,13,16-triazatricyclo[18.3.1.0^5,^10]tetracosa-1(24),20,22-triene-4,11,14,17-tetroneUpdated Aug 11, 2026
• 7APSThe Fk1 domain of FKBP51 in complex with (2S)-2-((1S,5R,6R)-10-((3,5-dichlorophenyl)sulfonyl)-2-oxo-5-vinyl-3,10-diazabicyclo[4.3.1]decan-3-yl)propanoic acidUpdated Aug 11, 2026
• 7APWThe Fk1 domain of FKBP51 in complex with (1S,5S,6R)-10-(benzo[d]thiazol-6-ylsulfonyl)-5-(methoxymethyl)-3-(pyridin-2-ylethyl)-3,10-diazabicyclo[4.3.1]decan-2-oneUpdated Aug 11, 2026
• 7APQThe Fk1 domain of FKBP51 in complex with (1S,5S,6R)-10-(benzo[d]thiazol-6-ylsulfonyl)-5-(methoxymethyl)-3-(pyridin-2-ylmethyl)-3,10-diazabicyclo[4.3.1]decan-2-oneUpdated Aug 11, 2026
• 7AOTThe Fk1 domain of FKBP51 in complex with (2R,5S,12R)-12-cyclohexyl-2-[2-(3,4-dimethoxyphenyl)ethyl]-3,19-dioxa-10,13,16-triazatricyclo[18.3.1.0-5,10]tetracosa- 1(24),20,22-triene-4,11,14,17-tetroneUpdated Aug 11, 2026
• 7AOUThe 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'-tetroneUpdated Aug 11, 2026
• 6TX9CRYSTAL STRUCTURE OF HUMAN FKBP51 FK1 DOMAIN A19T MUTANT IN COMPLEX WITH HYDANTOINUpdated Aug 11, 2026
• 6TX8CRYSTAL STRUCTURE OF HUMAN FKBP51 FK1 DOMAIN A19T MUTANT IN COMPLEX WITH IMIDAZOLEUpdated Aug 11, 2026
• 6TX7CRYSTAL STRUCTURE OF HUMAN FKBP51 FK1 DOMAIN A19T MUTANT IN COMPLEX WITH 2-PIPERIDONEUpdated Aug 11, 2026
• 6TX6CRYSTAL STRUCTURE OF HUMAN FKBP51 FK1 DOMAIN A19T MUTANT IN COMPLEX WITH NICOTINAMIDEUpdated Aug 11, 2026
• 6TX4CRYSTAL STRUCTURE OF HUMAN FKBP51 FK1 DOMAIN A19T MUTANT IN COMPLEX WITH 2-PYRIDONEUpdated Aug 11, 2026
• 6TX5CRYSTAL STRUCTURE OF HUMAN FKBP51 FK1 DOMAIN A19T MUTANT IN COMPLEX WITH 4-METHYLIMIDAZOLEUpdated Aug 11, 2026
• 5OBKThe Fk1 domain of FKBP51 in complex with (1S,5S,6R)-10-((3,5-dichlorophenyl)sulfonyl)-5-(hydroxymethyl)-3-(pyridin-2-ylmethyl)-3,10-diazabicyclo[4.3.1]decan-2-oneUpdated Aug 11, 2026
• 5DIVThe Fk1 domain of FKBP51 in complex with the new synthetic ligand (S)-N-(1-carbamoylcyclopentyl)-1-((S)-2-cyclohexyl-2-(3,4,5-trimethoxyphenyl)acetyl)piperidine-2-carboxamideUpdated Aug 11, 2026
• 5DIUThe Fk1 domain of FKBP51 in complex with the new synthetic ligand 2-(3-((R)-1-((S)-1-((S)-2-cyclohexyl-2-(3,4,5-trimethoxyphenyl)acetyl)piperidine-2-carboxamido)-3-(3,4-dimethoxyphenyl)propyl)phenoxy)acetic acidUpdated Aug 11, 2026
• 5BXJComplex of the Fk1 domain mutant A19T of FKBP51 with 4-NitrophenolUpdated Aug 10, 2026
• 4W9QThe Fk1 domain of FKBP51 in complex with (1S,5S,6R)-10-[(3,5-dichlorophenyl)sulfonyl]-3-[2-(3,4-dimethoxyphenoxy)ethyl]-5-ethyl-3,10-diazabicyclo[4.3.1]decan-2-oneUpdated Aug 10, 2026
• 4W9PThe Fk1 domain of FKBP51 in complex with (1S,5S,6R)-10-[(3,5-dichlorophenyl)sulfonyl]-5-[(1S)-1,2-dihydroxyethyl]-3-[2-(3,4-dimethoxyphenoxy)ethyl]-3,10-diazabicyclo[4.3.1]decan-2-oneUpdated Aug 10, 2026
• 4W9OThe Fk1 domain of FKBP51 in complex with (1S,5S,6R)-10-[(3,5-dichlorophenyl)sulfonyl]-5-[(1R)-1,2-dihydroxyethyl]-3-[2-(3,4-dimethoxyphenoxy)ethyl]-3,10-diazabicyclo[4.3.1]decan-2-oneUpdated Aug 10, 2026
• 4TX0The Fk1 domain of FKBP51 in complex with (1S,5S,6R)-10-[(3,5-dichlorophenyl)sulfonyl]-5-(2-methoxyethoxy)-3-(2-methoxyethyl)-3,10-diazabicyclo[4.3.1]decan-2-oneUpdated Aug 10, 2026
• 4TW7The Fk1 domain of FKBP51 in complex with iFit4Updated Aug 10, 2026
• 4TW6The Fk1 domain of FKBP51 in complex with iFit1Updated Aug 10, 2026
• 4R0XAllosteric coupling of conformational transitions in the FK1 domain of FKBP51 near the site of steroid receptor interactionUpdated Aug 10, 2026
• 4JFLIncreasing the Efficiency Efficiency of Ligands for the FK506-Binding Protein 51 by Conformational Control: Complex of FKBP51 with 6-({(1S,5R)-3-[2-(3,4-dimethoxyphenoxy)ethyl]-2-oxo-3,9-diazabicyclo[3.3.1]non-9-yl}sulfonyl)-1,3-benzothiazol-2(3H)-oneUpdated Aug 10, 2026
• 4JFMIncreasing the Efficiency Efficiency of Ligands for the FK506-Binding Protein 51 by Conformational Control: Complex of FKBP51 with 2-(3,4-dimethoxyphenoxy)ethyl (2S)-1-[(2-oxo-2,3-dihydro-1,3-benzothiazol-6-yl)sulfonyl]piperidine-2-carboxylateUpdated Aug 10, 2026
• 4JFKIncreasing the Efficiency Efficiency of Ligands for the FK506-Binding Protein 51 by Conformational Control: Complex of FKBP51 with (1S,6R)-3-[2-(3,4-dimethoxyphenoxy)ethyl]-10-[(2-oxo-2,3-dihydro-1,3-benzothiazol-6-yl)sulfonyl]-3,10-diazabicyclo[4.3.1]decan-2-oneUpdated Aug 10, 2026
• 4JFIIncreasing the Efficiency Efficiency of Ligands for the FK506-Binding Protein 51 by Conformational Control: Complex of FKBP51 with compound 1-[(9S,13R,13aR)-1,3-dimethoxy-8-oxo-5,8,9,10,11,12,13,13a-octahydro-6H-9,13-epiminoazocino[2,1-a]isoquinolin-14-yl]-2-(3,4,5-trimethoxyphenyl)ethane-1,2-dioneUpdated Aug 10, 2026
• 4DRQExploration of Pipecolate Sulfonamides as Binders of the FK506-Binding Proteins 51 and 52: Complex of FKBP51 with 2-(3-((R)-1-((S)-1-(3,5-dichlorophenylsulfonyl)piperidine-2-carbonyloxy)-3-(3,4-dimethoxy -phenyl)propyl)phenoxy)acetic acidUpdated Aug 10, 2026
• 4DROEVALUATION OF SYNTHETIC FK506 ANALOGS AS LIGANDS FOR FKBP51 AND FKBP52: COMPLEX OF FKBP51 WITH (1R)-3-(3,4-dimethoxyphenyl)-1-phenylpropyl (2S)-1-{[(1R,2S)-2-ethyl-1-hydroxycyclohexyl](oxo)acetyl}piperidine-2-carboxylateUpdated Aug 10, 2026
• 4DRMEVALUATION OF SYNTHETIC FK506 ANALOGS AS LIGANDS FOR FKBP51 AND FKBP52: COMPLEX OF FKBP51 WITH {3-[(1R)-3-(3,4-dimethoxyphenyl)-1-({[(2S)-1-{[(1S,2R)-2-ethyl-1-hydroxycyclohexyl](oxo)acetyl}piperidin-2-yl]carbonyl}oxy)propyl]phenoxy}acetic acidUpdated Aug 10, 2026
• 4DRKEVALUATION OF SYNTHETIC FK506 ANALOGS AS LIGANDS FOR FKBP51 AND FKBP52: COMPLEX OF FKBP51 WITH {3-[(1R)-3-(3,4-dimethoxyphenyl)-1-({[(2S)-1-(3,3-dimethyl-2-oxopentanoyl)piperidin-2-yl]carbonyl}oxy)propyl]phenoxy}acetic acidUpdated Aug 10, 2026
• 4DRICo-crystal structure of the PPIase domain of FKBP51, Rapamycin and the FRB fragment of mTORUpdated Aug 10, 2026