2HQ9

Crystal structure of a fad-binding protein (mll6688) from mesorhizobium loti at 1.95 A resolution

X-RAY DIFFRACTION

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Crystallization

Crystalization Experiments
ID	Method	pH	Temperature	Details
1	VAPOR DIFFUSION,SITTING DROP,NANODROP	8.5	277	2.0M (NH4)2SO4, 0.1M TRIS pH 8.5, VAPOR DIFFUSION,SITTING DROP,NANODROP, temperature 277K

Crystal Properties
Matthews coefficient	Solvent content
2.19	43.33

Crystal Data

Unit Cell
Length ( Å )	Angle ( ˚ )
a = 47.852	α = 90
b = 74.895	β = 90
c = 84.626	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	ADSC QUANTUM 315	Flat mirror (vertical focusing)	2006-07-02	M	MAD

Radiation Source
ID #	Source	Type	Wavelength List	Synchrotron Site	Beamline
1	SYNCHROTRON	SSRL BEAMLINE BL11-1	0.918370, 0.979197	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	1.95	29.488	99.1	0.093	0.093	6.6	3.5		22592			23.19

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	1.95	2	99.7		0.648	0.648	1.2	3.5	1645

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	MAD	THROUGHOUT	1.95	29.488	22557	1162	98.79	0.183	0.183	0.18	0.243	RANDOM	27.524

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]
-0.67			-0.01		0.68

RMS Deviations
Key	Refinement Restraint Deviation
r_dihedral_angle_2_deg	34.224
r_dihedral_angle_3_deg	13.27
r_dihedral_angle_4_deg	11.817
r_dihedral_angle_1_deg	6.843
r_scangle_it	3.621
r_scbond_it	2.305
r_mcangle_it	1.707
r_angle_refined_deg	1.645
r_mcbond_it	1.018
r_angle_other_deg	0.834
r_mcbond_other	0.255
r_symmetry_vdw_refined	0.233
r_nbd_other	0.195
r_nbtor_refined	0.186
r_nbd_refined	0.185
r_symmetry_vdw_other	0.178
r_xyhbond_nbd_refined	0.163
r_symmetry_hbond_refined	0.162
r_chiral_restr	0.092
r_nbtor_other	0.086
r_bond_refined_d	0.016
r_gen_planes_refined	0.007
r_bond_other_d	0.001
r_gen_planes_other	0.001

Non-Hydrogen Atoms Used in Refinement
Non-Hydrogen Atoms	Number
Protein Atoms	2164
Nucleic Acid Atoms
Solvent Atoms	178
Heterogen Atoms	111

Software

Software
Software Name	Purpose
MolProbity	model building
REFMAC	refinement
SCALA	data scaling
PDB_EXTRACT	data extraction
MOSFLM	data reduction
CCP4	data scaling
SHELXD	phasing
autoSHARP	phasing