1IOL

ESTROGENIC 17-BETA HYDROXYSTEROID DEHYDROGENASE COMPLEXED 17-BETA-ESTRADIOL

• PDB DOI: https://doi.org/10.2210/pdb1IOL/pdb

• Classification: OXIDOREDUCTASE
• Organism(s): Homo sapiens
• Mutation(s): No 


• Deposited: 1996-06-20 Released: 1997-07-07 
• Deposition Author(s): Azzi, A., Rehse, P.H., Zhu, D.-W., Campbell, R.L., Labrie, F., Lin, S.-X.

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Experimental Data Snapshot

• Method: X-RAY DIFFRACTION
• Resolution: 2.30 Å
• R-Value Free: 0.257 
• R-Value Work: 0.196 
• R-Value Observed: 0.196 

Starting Model: experimental

Literature

Crystal structure of human estrogenic 17 beta-hydroxysteroid dehydrogenase complexed with 17 beta-estradiol.

Azzi, A., Rehse, P.H., Zhu, D.W., Campbell, R.L., Labrie, F., Lin, S.X.

(1996) Nat Struct Biol 3: 665-668

• PubMed: 8756321 
• DOI: https://doi.org/10.1038/nsb0896-665
• Primary Citation of Related Structures:  
  1IOL

Biological Assembly 1  

Global Symmetry: Cyclic - C2  (Explore in 3D)
Global Stoichiometry: Homo 2-mer - A2 

Biological assembly 1 assigned by authors and generated by PISA,PQS (software)

Macromolecule Content

• Total Structure Weight: 35.17 kDa 
• Atom Count: 2,254 
• Modelled Residue Count: 284 
• Deposited Residue Count: 327 
• Unique protein chains: 1

Macromolecules

Entity ID: 1
Molecule	Chains	Sequence Length	Organism	Details	Image
ESTROGENIC 17-BETA HYDROXYSTEROID DEHYDROGENASE	A	327	Homo sapiens	Mutation(s): 0  EC: 1.1.1.62
UniProt & NIH Common Fund Data Resources
Find proteins for P14061 (Homo sapiens) Explore P14061  Go to UniProtKB:  P14061
GTEx:  ENSG00000108786

Small Molecules

Ligands 1 Unique
ID	Chains	Name / Formula / InChI Key	2D Diagram
EST	B [auth A]	ESTRADIOL C18 H24 O2 VOXZDWNPVJITMN-ZBRFXRBCSA-N

Experimental Data & Validation

Experimental Data

• Method: X-RAY DIFFRACTION
• Resolution: 2.30 Å
• R-Value Free: 0.257 
• R-Value Work: 0.196 
• R-Value Observed: 0.196 
• Space Group: C 1 2 1

Unit Cell:

Length ( Å )	Angle ( ˚ )
a = 123.66	α = 90
b = 45.19	β = 99.1
c = 61.3	γ = 90

Software Package:

Software Name	Purpose
X-PLOR	model building
X-PLOR	refinement
DENZO	data reduction
X-PLOR	phasing

Structure Validation

Entry History 

Deposition Data

• Released Date: 1997-07-07 
Deposition Author(s): Azzi, A., Rehse, P.H., Zhu, D.-W., Campbell, R.L., Labrie, F., Lin, S.-X.

Revision History  

• Version 1.0: 1997-07-07
  Type: Initial release
  
• Version 1.1: 2008-03-24
  Changes: Version format compliance
• Version 1.2: 2011-07-13
  Changes: Derived calculations, Version format compliance
• Version 1.3: 2023-08-09
  Changes: Database references, Derived calculations, Other, Refinement description
• Version 1.4: 2024-05-22
  Changes: Data collection