2OWP

Crystal structure of a cystatin-like fold protein (bxe_b1374) from burkholderia xenovorans lb400 at 2.00 A resolution

X-RAY DIFFRACTION

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Crystallization

Crystalization Experiments
ID	Method	pH	Temperature	Details
1	VAPOR DIFFUSION, SITTING DROP	10.5	277	NANODROP, 0.8M K2HPO4, 0.2M Li2SO4, 1.2M NaH2PO4, 0.1M CAPS pH 10.5, VAPOR DIFFUSION, SITTING DROP, temperature 277K

Crystal Properties
Matthews coefficient	Solvent content
3.72	66.91

Crystal Data

Unit Cell
Length ( Å )	Angle ( ˚ )
a = 80.518	α = 90
b = 80.518	β = 90
c = 116.256	γ = 120

Symmetry
Space Group	P 31 2 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 325 mm CCD	Flat mirror (vertical focusing)	2007-02-09	M	SINGLE WAVELENGTH

Radiation Source
ID #	Source	Type	Wavelength List	Synchrotron Site	Beamline
1	SYNCHROTRON	SSRL BEAMLINE BL11-1	0.97891	SSRL	BL11-1

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	2	29.894	98.9	0.133	0.133	4.9	7.4		29640

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	2	2.05	98		0.76	0.76	1	7.5	2136

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 (All)	R-Factor (Observed)	R-Work	R-Free	R-Free Selection Details	Mean Isotropic B
X-RAY DIFFRACTION	SAD	THROUGHOUT	2	29.894	29613	1504	98.51	0.194	0.194	0.192	0.236	RANDOM	35.937

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]
2.41	1.2		2.41		-3.61

RMS Deviations
Key	Refinement Restraint Deviation
r_dihedral_angle_2_deg	34.635
r_dihedral_angle_3_deg	14.714
r_dihedral_angle_4_deg	9.957
r_scangle_it	6.649
r_dihedral_angle_1_deg	5.72
r_scbond_it	5.093
r_mcangle_it	2.67
r_mcbond_it	2.066
r_angle_refined_deg	1.501
r_angle_other_deg	0.89
r_mcbond_other	0.41
r_symmetry_vdw_other	0.232
r_nbd_other	0.208
r_nbd_refined	0.201
r_nbtor_refined	0.181
r_symmetry_hbond_refined	0.163
r_xyhbond_nbd_refined	0.155
r_symmetry_vdw_refined	0.119
r_chiral_restr	0.092
r_nbtor_other	0.088
r_bond_refined_d	0.015
r_gen_planes_refined	0.006
r_bond_other_d	0.002
r_gen_planes_other	0.002

Non-Hydrogen Atoms Used in Refinement
Non-Hydrogen Atoms	Number
Protein Atoms	2029
Nucleic Acid Atoms
Solvent Atoms	297
Heterogen Atoms	66

Software

Software
Software Name	Purpose
MolProbity	model building
SOLVE	phasing
REFMAC	refinement
SCALA	data scaling
PDB_EXTRACT	data extraction
MAR345	data collection
MOSFLM	data reduction
CCP4	data scaling