1FKG

DESIGN, SYNTHESIS, AND KINETIC EVALUATION OF HIGH-AFFINITY FKBP LIGANDS, AND THE X-RAY CRYSTAL STRUCTURES OF THEIR COMPLEXES WITH FKBP12

• PDB DOI: https://doi.org/10.2210/pdb1FKG/pdb

• Classification: CIS-TRANS ISOMERASE
• Organism(s): Homo sapiens
• Mutation(s): No 


• Deposited: 1993-08-05 Released: 1994-01-31 
• Deposition Author(s): Holt, D.A., Luengo, J.I., Yamashita, D.S., Oh, H.-J., Konialian, A.L., Yen, H.-K., Rozamus, L.W., Brandt, M., Bossard, M.J., Levy, M.A., Eggleston, D.S., Stout, T.J., Liang, J., Schultz, L.W., Clardy, J.

---

Experimental Data Snapshot

• Method: X-RAY DIFFRACTION
• Resolution: 2.00 Å
• R-Value Work: 0.184 
• R-Value Observed: 0.184 

Literature

DESIGN, SYNTHESIS, AND KINETIC EVALUATION OF HIGH-AFFINITY FKBP LIGANDS AND THE X-RAY CRYSTAL-STRUCTURES OF THEIR COMPLEXES WITH FKBP12.

Holt, D.A., Luengo, J.I., Yamashita, D.S., Oh, H.J., Konialian, A.L., Yen, H.K., Rozamus, L.W., Brandt, M., Bossard, M.J., Levy, M.A., Eggleston, D.S., Liang, J., Schultz, L.W., Stout, T.J., Clardy, J.

(1993) J Am Chem Soc 115: 9925-9938

Biological Assembly 1  

Global Symmetry: Asymmetric - C1 
Global Stoichiometry: Monomer - A1 

Biological assembly 1 assigned by authors.

Macromolecule Content

• Total Structure Weight: 12.29 kDa 
• Atom Count: 952 
• Modelled Residue Count: 107 
• Deposited Residue Count: 107 
• Unique protein chains: 1

Macromolecules

Entity ID: 1
Molecule	Chains	Sequence Length	Organism	Details	Image
FK506 BINDING PROTEIN	A	107	Homo sapiens	Mutation(s): 0  EC: 5.2.1.8
UniProt & NIH Common Fund Data Resources
Find proteins for P62942 (Homo sapiens) Explore P62942  Go to UniProtKB:  P62942
PHAROS:  P62942 GTEx:  ENSG00000088832

Small Molecules

Ligands 1 Unique
ID	Chains	Name / Formula / InChI Key	2D Diagram
SB3	B [auth A]	1,3-DIPHENYL-1-PROPYL-1-(3,3-DIMETHYL-1,2-DIOXYPENTYL)-2-PIPERIDINE CARBOXYLATE C28 H35 N O4 WQTIHJORCCUQBO-BJKOFHAPSA-N

Binding Affinity Annotations
ID	Source	Binding Affinity
SB3	PDBBind:  1FKG	Ki: 10 (nM) from 1 assay(s)
	BindingDB:  1FKG	Ki: min: 10, max: 17 (nM) from 2 assay(s)

Experimental Data & Validation

Experimental Data

• Method: X-RAY DIFFRACTION
• Resolution: 2.00 Å
• R-Value Work: 0.184 
• R-Value Observed: 0.184 
• Space Group: P 2₁ 2₁ 2₁

Unit Cell:

Length ( Å )	Angle ( ˚ )
a = 31.56	α = 90
b = 43.59	β = 90
c = 77.03	γ = 90

Software Package:

Software Name	Purpose
X-PLOR	model building
X-PLOR	refinement
X-PLOR	phasing

Structure Validation

Entry History 

Deposition Data

• Released Date: 1994-01-31 
Deposition Author(s): Holt, D.A., Luengo, J.I., Yamashita, D.S., Oh, H.-J., Konialian, A.L., Yen, H.-K., Rozamus, L.W., Brandt, M., Bossard, M.J., Levy, M.A., Eggleston, D.S., Stout, T.J., Liang, J., Schultz, L.W., Clardy, J.

Revision History  

• Version 1.0: 1994-01-31
  Type: Initial release
  
• Version 1.1: 2008-03-03
  Changes: Version format compliance
• Version 1.2: 2011-07-13
  Changes: Version format compliance
• Version 1.3: 2017-11-29
  Changes: Derived calculations, Other
• Version 1.4: 2024-02-07
  Changes: Data collection, Database references, Derived calculations