2G44

Human Estrogen Receptor Alpha Ligand-Binding Domain In Complex With OBCP-1M-G and A Glucocorticoid Receptor Interacting Protein 1 NR Box II Peptide

PDB DOI: https://doi.org/10.2210/pdb2G44/pdb

Classification: HORMONE/GROWTH FACTOR RECEPTOR
Organism(s): Homo sapiens
Expression System: Escherichia coli BL21(DE3)
Mutation(s): Yes

Deposited: 2006-02-21 Released: 2007-01-09
Deposition Author(s): Rajan, S.S., Hsieh, R.W., Sharma, S.K., Greene, G.L.

Experimental Data Snapshot

Method: X-RAY DIFFRACTION
Resolution: 2.65 Å
R-Value Free: 0.256
R-Value Work: 0.217
R-Value Observed: 0.219

Starting Model: experimental
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wwPDB Validation 3D Report Full Report

Ligand Structure Quality Assessment

This is version 1.5 of the entry. See complete history.

Literature

Discovery and characterization of novel estrogen receptor agonist ligands and development of biochips for nuclear receptor drug discovery

(2006) Thesis

Macromolecule Content

Total Structure Weight: 62.73 kDa
Atom Count: 4,040
Modelled Residue Count: 492
Deposited Residue Count: 540
Unique protein chains: 2

Macromolecules

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(by identity cutoff) | 3D Structure

Entity ID: 1
Molecule	Chains	Sequence Length	Organism	Details	Image
Estrogen receptor	A, B	257	Homo sapiens	Mutation(s): 4 Gene Names: ESR1, ESR, NR3A1
UniProt & NIH Common Fund Data Resources
Find proteins for P03372 (Homo sapiens) Explore P03372 Go to UniProtKB: P03372
PHAROS: P03372 GTEx: ENSG00000091831
Entity Groups
Sequence Clusters	30% Identity50% Identity70% Identity90% Identity95% Identity100% Identity
UniProt Group	P03372
Sequence Annotations Expand
Reference Sequence

Find similar proteins by: Sequence | 3D Structure

Entity ID: 2
Molecule	Chains	Sequence Length	Organism	Details	Image
Nuclear receptor coactivator 2	C, D	13	N/A	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
Entity Groups
Sequence Clusters	30% Identity50% Identity70% Identity90% Identity95% Identity100% Identity
UniProt Group	Q15596
Sequence Annotations Expand
Reference Sequence

Small Molecules

Ligands 1 Unique
ID	Chains	Name / Formula / InChI Key	2D Diagram	3D Interactions
T3O Query on T3O Download Ideal Coordinates CCD File SDF format, chain E [auth A] SDF format, chain F [auth B] MOL2 format, chain E [auth A] MOL2 format, chain F [auth B] mmCIF format, chain E [auth A] mmCIF format, chain F [auth B]	E [auth A], F [auth B]	4-[(1S,2R,5S)-4,4,8-TRIMETHYL-3-OXABICYCLO[3.3.1]NON-7-EN-2-YL]PHENOL C₁₇ H₂₂ O₂ BBZPJHFECDCNGT-BPUTZDHNSA-N		Interactions Focus chain E [auth A] Focus chain F [auth B] Interactions & Density Focus chain E [auth A] Focus chain F [auth B]

Modified Residues 1 Unique
ID	Chains	Type	Formula	2D Diagram	Parent
CME Query on CME	A, B	L-PEPTIDE LINKING	C₅ H₁₁ N O₃ S₂		CYS

Experimental Data & Validation

Experimental Data

Method: X-RAY DIFFRACTION
Resolution: 2.65 Å
R-Value Free: 0.256
R-Value Work: 0.217
R-Value Observed: 0.219
Space Group: P 1 2₁ 1

Unit Cell:

Length ( Å )	Angle ( ˚ )
a = 54.253	α = 90
b = 81.907	β = 111.23
c = 58.341	γ = 90

Software Package:

Software Name	Purpose
HKL-2000	data collection
SCALEPACK	data scaling
MOLREP	phasing
REFMAC	refinement
HKL-2000	data reduction

Structure Validation

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Ligand Structure Quality Assessment

Entry History

Deposition Data

Released Date: 2007-01-09

Deposition Author(s):

Revision History (Full details and data files)

Version 1.0: 2007-01-09
Type: Initial release
Version 1.1: 2008-05-01
Changes: Version format compliance
Version 1.2: 2011-07-13
Changes: Advisory, Version format compliance
Version 1.3: 2021-10-20
Changes: Database references, Derived calculations
Version 1.4: 2023-08-30
Changes: Data collection, Refinement description
Version 1.5: 2024-10-30
Changes: Structure summary

RCSB PDB Core Operations are funded by the U.S. National Science Foundation (DBI-2321666), the US Department of Energy (DE-SC0019749), and the National Cancer Institute, National Institute of Allergy and Infectious Diseases, and National Institute of General Medical Sciences of the National Institutes of Health under grant R01GM157729.