1A28

HORMONE-BOUND HUMAN PROGESTERONE RECEPTOR LIGAND-BINDING DOMAIN

X-RAY DIFFRACTION

---

Crystallization

Crystalization Experiments
ID	Method	pH	Temperature	Details
1		6.5		PROTEIN WAS CRYSTALLIZED FROM 2% PEG 4000, 50 MM PIPES PH 6.5, 350 MM LI2SO4, THEN STABILIZED IN THE SAME BUFFER WITH 21% ETHYLENE GLYCOL

Crystal Properties
Matthews coefficient	Solvent content
2.29	45.7

Crystal Data

Unit Cell
Length ( Å )	Angle ( ˚ )
a = 58.123	α = 90
b = 64.444	β = 95.74
c = 69.954	γ = 90

Symmetry
Space Group	P 1 21 1

Diffraction

Diffraction Experiment
ID #	Crystal ID	Scattering Type	Data Collection Temperature	Detector	Detector Type	Details	Collection Date	Monochromator	Protocol
1	1	x-ray	100	IMAGE PLATE	MARRESEARCH	SILICON CRYSTAL	1997-09-12	M

Radiation Source
ID #	Source	Type	Wavelength List	Synchrotron Site	Beamline
1	SYNCHROTRON	NSLS BEAMLINE X25		NSLS	X25

Data Collection

Overall
ID #	Resolution (High)	Resolution (Low)	Percent Possible (Observed)	R Merge I (Observed)	R Sym I (Observed)	Net I Over Average Sigma (I)	Redundancy	Number Reflections (All)	Number Reflections (Observed)	Observed Criterion Sigma (F)	Observed Criterion Sigma (I)	B (Isotropic) From Wilson Plot
1	1.8	40	93.2	0.055	0.076	18.3	3.2		42976		2	27

Highest Resolution Shell
ID #	Resolution (High)	Resolution (Low)	Percent Possible (All)	Percent Possible (Observed)	R Merge I (Observed)	R-Sym I (Observed)	Mean I Over Sigma (Observed)	Redundancy	Number Unique Reflections (All)
	1.8	1.86	95.9		0.055	0.319	3.4	2.4

Refinement

Statistics
Diffraction ID	Structure Solution Method	Cross Validation method	Resolution (High)	Resolution (Low)	Cut-off Sigma (F)	Number Reflections (Observed)	Number Reflections (R-Free)	Percent Reflections (Observed)	R-Factor (Observed)	R-Work	R-Free	R-Free Selection Details	Mean Isotropic B
X-RAY DIFFRACTION	MAD, MIR	THROUGHOUT	1.8	40	2	40453	4081	84.6	0.1905	0.1905	0.227	RANDOM	32.8

Temperature Factor Modeling
Anisotropic B[1][1]	Anisotropic B[1][2]	Anisotropic B[1][3]	Anisotropic B[2][2]	Anisotropic B[2][3]	Anisotropic B[3][3]
-5.368		-3.239	-0.11		5.478

RMS Deviations
Key	Refinement Restraint Deviation
c_dihedral_angle_d	17.18
c_scangle_it	6.208
c_scbond_it	4.912
c_mcangle_it	3.286
c_mcbond_it	2.902
c_angle_deg	1.392
c_improper_angle_d	0.904
c_bond_d	0.008
c_bond_d_na
c_bond_d_prot
c_angle_d
c_angle_d_na
c_angle_d_prot
c_angle_deg_na
c_angle_deg_prot
c_dihedral_angle_d_na
c_dihedral_angle_d_prot
c_improper_angle_d_na
c_improper_angle_d_prot

Non-Hydrogen Atoms Used in Refinement
Non-Hydrogen Atoms	Number
Protein Atoms	4036
Nucleic Acid Atoms
Solvent Atoms	180
Heterogen Atoms	46

Software

Software
Software Name	Purpose
DPHASE	model building
CNS	refinement
DENZO	data reduction
SCALEPACK	data scaling
DPHASE	phasing