3N95

Crystal structure of human CRFR2 alpha extracellular domain in complex with Urocortin 2

X-RAY DIFFRACTION

Crystallization

Crystalization Experiments
ID	Method	pH	Temperature	Details
1	VAPOR DIFFUSION, HANGING DROP	6	293	12% PEG 6000 0.1M ADA (pH 6.0) 0.1M MgCl2 12% Glycerol, VAPOR DIFFUSION, HANGING DROP, temperature 293K

Crystal Properties
Matthews coefficient	Solvent content
2.77	55.57

Crystal Data

Unit Cell
Length ( Å )	Angle ( ˚ )
a = 54.311	α = 90
b = 212.068	β = 104.54
c = 107.319	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	CCD	MARMOSAIC 300 mm CCD			M	SINGLE WAVELENGTH

Radiation Source
ID #	Source	Type	Wavelength List	Synchrotron Site	Beamline
1	SYNCHROTRON	APS BEAMLINE 21-ID-D	0.97872	APS	21-ID-D

Data Collection

Overall
ID #	Resolution (High)	Resolution (Low)	Percent Possible (Observed)	R Merge 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	2.72	50	98.93	0.15	14.28			62181		-3

Highest Resolution Shell
ID #	Resolution (High)	Resolution (Low)	Percent Possible (All)	Percent Possible (Observed)	R Merge I (Observed)	Mean I Over Sigma (Observed)	Redundancy	Number Unique Reflections (All)
	2.72	2.82			0.7	2.82

Refinement

Statistics
Diffraction ID	Structure Solution Method	Cross Validation method	Starting model	Resolution (High)	Resolution (Low)	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	MOLECULAR REPLACEMENT	THROUGHOUT	PDB ENTRY 3N93	2.72	50	62071	3148	98.93	0.226	0.224	0.266	RANDOM	24.744

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]
1.08		-0.07	1.49		-2.6

RMS Deviations
Key	Refinement Restraint Deviation
r_dihedral_angle_2_deg	33.617
r_dihedral_angle_3_deg	16.93
r_dihedral_angle_4_deg	13.038
r_dihedral_angle_1_deg	5.272
r_angle_refined_deg	1.229
r_scangle_it	1.004
r_scbond_it	0.64
r_mcangle_it	0.384
r_mcbond_it	0.217
r_chiral_restr	0.084

RMS Deviations
Key	Refinement Restraint Deviation
r_dihedral_angle_2_deg	33.617
r_dihedral_angle_3_deg	16.93
r_dihedral_angle_4_deg	13.038
r_dihedral_angle_1_deg	5.272
r_angle_refined_deg	1.229
r_scangle_it	1.004
r_scbond_it	0.64
r_mcangle_it	0.384
r_mcbond_it	0.217
r_chiral_restr	0.084
r_bond_refined_d	0.01
r_gen_planes_refined	0.005

Non-Hydrogen Atoms Used in Refinement
Non-Hydrogen Atoms	Number
Protein Atoms	14722
Nucleic Acid Atoms
Solvent Atoms	272
Heterogen Atoms	92

Software

Software
Software Name	Purpose
REFMAC	refinement
PDB_EXTRACT	data extraction
MAR345dtb	data collection
HKL-2000	data reduction
HKL-2000	data scaling
PHASES	phasing

RCSB PDB Core Operations are funded by the National Science Foundation (DBI-1832184), 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 R01GM133198.