8GL7

AncAR1 - progesterone - Tif2

• PDB DOI: https://doi.org/10.2210/pdb8GL7/pdb

• Classification: SIGNALING PROTEIN
• Organism(s): Escherichia coli, Homo sapiens
• Expression System: Escherichia coli BL21(DE3)
• Mutation(s): No 


• Deposited: 2023-03-21 Released: 2024-06-26 
• Deposition Author(s): Little, M.M., Ortlund, E.A.
• Funding Organization(s): National Institutes of Health/National Institute of Diabetes and Digestive and Kidney Disease (NIH/NIDDK)

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Experimental Data Snapshot

• Method: X-RAY DIFFRACTION
• Resolution: 2.40 Å
• R-Value Free: 0.253 
• R-Value Work: 0.197 
• R-Value Observed: 0.200 

Starting Model: experimental

Literature

Evolutionary tuning of a key helix drove androgen selectivity

Little, M.M., Ortlund, E.A.

To be published.

Biological Assembly 1  

Global Symmetry: Asymmetric - C1 
Global Stoichiometry: Hetero 2-mer - A1B1 

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

Biological Assembly Evidence: gel filtration

Macromolecule Content

• Total Structure Weight: 30.51 kDa 
• Atom Count: 2,198 
• Modelled Residue Count: 257 
• Deposited Residue Count: 257 
• Unique protein chains: 2

Macromolecules

Entity ID: 1
Molecule	Chains	Sequence Length	Organism	Details	Image
Ancestral androgen receptor	A	248	Escherichia coli	Mutation(s): 0

Entity ID: 2
Molecule	Chains	Sequence Length	Organism	Details	Image
Nuclear receptor coactivator 2	B [auth D]	9	Homo sapiens	Mutation(s): 0
UniProt & NIH Common Fund Data Resources
Find proteins for Q15596 (Homo sapiens) Explore Q15596  Go to UniProtKB:  Q15596
PHAROS:  Q15596 GTEx:  ENSG00000140396

Small Molecules

Ligands 2 Unique
ID	Chains	Name / Formula / InChI Key	2D Diagram
STR (Subject of Investigation/LOI)	C [auth A]	PROGESTERONE C21 H30 O2 RJKFOVLPORLFTN-LEKSSAKUSA-N
GOL	D [auth A]	GLYCEROL C3 H8 O3 PEDCQBHIVMGVHV-UHFFFAOYSA-N

Experimental Data & Validation

Experimental Data

• Method: X-RAY DIFFRACTION
• Resolution: 2.40 Å
• R-Value Free: 0.253 
• R-Value Work: 0.197 
• R-Value Observed: 0.200 
• Space Group: P 4₃ 2₁ 2

Unit Cell:

Length ( Å )	Angle ( ˚ )
a = 69.714	α = 90
b = 69.714	β = 90
c = 144.439	γ = 90

Software Package:

Software Name	Purpose
PHENIX	refinement
PDB-REDO	refinement
HKL-2000	data reduction
HKL-2000	data scaling
PHASER	phasing

Structure Validation

Entry History & Funding Information

Deposition Data

• Released Date: 2024-06-26 
Deposition Author(s): Little, M.M., Ortlund, E.A.

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Funding Organization	Location	Grant Number
National Institutes of Health/National Institute of Diabetes and Digestive and Kidney Disease (NIH/NIDDK)	United States	R56DK115213

Revision History  

• Version 1.0: 2024-06-26
  Type: Initial release