1SI9

Boiling stable protein isolated from Populus tremula

X-RAY DIFFRACTION

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Crystallization

Crystal Properties
Matthews coefficient	Solvent content
2.56	51.93

Crystal Data

Unit Cell
Length ( Å )	Angle ( ˚ )
a = 90.501	α = 90
b = 90.501	β = 90
c = 186.302	γ = 90

Symmetry
Space Group	I 4 2 2

Diffraction

Diffraction Experiment
ID #	Crystal ID	Scattering Type	Data Collection Temperature	Detector	Detector Type	Details	Collection Date	Monochromator	Protocol
1	1	x-ray						M	MAD

Radiation Source
ID #	Source	Type	Wavelength List	Synchrotron Site	Beamline
1	SYNCHROTRON	SSRL BEAMLINE BL9-2	0.979, 0.905, 0.980	SSRL	BL9-2

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	2.27	91.29	99.36			17318	17318

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	R-Free	R-Free Selection Details	Mean Isotropic B
X-RAY DIFFRACTION	MAD	THROUGHOUT	2.27	91.29	17318	910	99.36	0.20874	0.20624	0.25808	RANDOM	17.344

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]
3.39			3.39		-6.78

RMS Deviations
Key	Refinement Restraint Deviation
r_dihedral_angle_1_deg	6.56
r_angle_other_deg	3.597
r_scangle_it	1.809
r_scbond_it	1.058
r_mcangle_it	0.985
r_angle_refined_deg	0.909
r_mcbond_it	0.534
r_symmetry_vdw_other	0.318
r_nbd_other	0.298
r_symmetry_hbond_refined	0.259
r_xyhbond_nbd_refined	0.246
r_symmetry_vdw_refined	0.236
r_nbd_refined	0.212
r_nbtor_other	0.143
r_chiral_restr	0.057
r_bond_refined_d	0.006
r_gen_planes_other	0.004
r_gen_planes_refined	0.003
r_bond_other_d
r_dihedral_angle_2_deg
r_dihedral_angle_3_deg
r_dihedral_angle_4_deg
r_nbtor_refined
r_xyhbond_nbd_other
r_metal_ion_refined
r_metal_ion_other
r_symmetry_hbond_other
r_mcbond_other
r_rigid_bond_restr
r_sphericity_free
r_sphericity_bonded

Non-Hydrogen Atoms Used in Refinement
Non-Hydrogen Atoms	Number
Protein Atoms	2589
Nucleic Acid Atoms
Solvent Atoms	409
Heterogen Atoms	18

Software

Software
Software Name	Purpose
REFMAC	refinement