3EHQ | pdb_00003ehq

Crystal Structure of Human Osteoclast Stimulating Factor

X-RAY DIFFRACTION

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Crystallization

Crystalization Experiments
ID	Method	pH	Temperature	Details
1	VAPOR DIFFUSION, HANGING DROP	6.5	298	12% PEG20000, 0.1M MES, pH6.5, VAPOR DIFFUSION, HANGING DROP, temperature 298K

Crystal Properties
Matthews coefficient	Solvent content
2.32	47.09

Crystal Data

Unit Cell
Length ( Å )	Angle ( ˚ )
a = 48.057	α = 90
b = 56.86	β = 90
c = 170.125	γ = 90

Symmetry
Space Group	P 21 21 21

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	MAR CCD 165 mm		2005-06-16	M	MAD

Radiation Source
ID #	Source	Type	Wavelength List	Synchrotron Site	Beamline
1	SYNCHROTRON	BSRF BEAMLINE 3W1A	0.9794, 0.9798	BSRF	3W1A

Data Collection

Overall
ID #	Resolution (High)	Resolution (Low)	Percent Possible (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	2.56	50	97.9				15507	2	2

Highest Resolution Shell
ID #	Resolution (High)	Resolution (Low)	Percent Possible (All)	Percent Possible (Observed)	Mean I Over Sigma (Observed)	Redundancy	Number Unique Reflections (All)
	2.56	2.65	81.3

Refinement

Statistics
Diffraction ID	Structure Solution Method	Cross Validation method	Resolution (High)	Resolution (Low)	Number Reflections (Observed)	Number Reflections (R-Free)	Percent Reflections (Observed)	R-Factor (Observed)	R-Work (Depositor)	R-Work (DCC)	R-Free (Depositor)	R-Free (DCC)	R-Free Selection Details	Mean Isotropic B
X-RAY DIFFRACTION	MAD	THROUGHOUT	2.57	20	14582	765	98.9	0.21363	0.21021	0.2132	0.28353	0.2859	RANDOM	36.664

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]
-1.9			4.28		-2.39

RMS Deviations
Key	Refinement Restraint Deviation
r_dihedral_angle_2_deg	40.156
r_dihedral_angle_3_deg	16.018
r_dihedral_angle_4_deg	14.838
r_dihedral_angle_1_deg	5.327
r_scangle_it	2.433
r_scbond_it	1.471
r_angle_refined_deg	1.156
r_mcangle_it	0.957
r_mcbond_it	0.485
r_chiral_restr	0.076
r_bond_refined_d	0.009
r_gen_planes_refined	0.004

Non-Hydrogen Atoms Used in Refinement
Non-Hydrogen Atoms	Number
Protein Atoms	2797
Nucleic Acid Atoms
Solvent Atoms	118
Heterogen Atoms	8

Software

Software
Software Name	Purpose
MAR345dtb	data collection
SOLVE	phasing
REFMAC	refinement
HKL-2000	data reduction
HKL-2000	data scaling