1SZE

L230A mutant flavocytochrome b2 with benzoylformate

X-RAY DIFFRACTION

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Crystallization

Crystalization Experiments
ID	Method	pH	Temperature	Details
1	VAPOR DIFFUSION, HANGING DROP	4.6	291	0.1 M citrate, 0.2 M NaBr, 12-15% PEG3350, 18-20% glycerol, 50 mM benzoylformate, pH 4.6, VAPOR DIFFUSION, HANGING DROP, temperature 291K

Crystal Properties
Matthews coefficient	Solvent content
3.8	67

Crystal Data

Unit Cell
Length ( Å )	Angle ( ˚ )
a = 163.027	α = 90
b = 163.027	β = 90
c = 112.473	γ = 120

Symmetry
Space Group	P 32 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	ADSC QUANTUM 4		2002-05-05	M	SINGLE WAVELENGTH

Radiation Source
ID #	Source	Type	Wavelength List	Synchrotron Site	Beamline
1	SYNCHROTRON	SRS BEAMLINE PX14.2	0.9750	SRS	PX14.2

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	3	24	90.5	0.072	7.86		34884	31503			48.392

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)
1	3	3.11	90.4		0.326	1.69		3101

Refinement

Statistics
Diffraction ID	Structure Solution Method	Cross Validation method	Starting model	Resolution (High)	Resolution (Low)	Number Reflections (All)	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 id 1FCB	3	24	34884	29925	1577	90.6	0.20266	0.20024	0.24918	RANDOM	48.392

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	0.95		1.9		-2.85

RMS Deviations
Key	Refinement Restraint Deviation
r_dihedral_angle_1_deg	8.368
r_scangle_it	2.831
r_angle_refined_deg	1.825
r_scbond_it	1.565
r_mcangle_it	1.417
r_angle_other_deg	1.043
r_mcbond_it	0.748
r_symmetry_vdw_other	0.252
r_nbd_other	0.239
r_nbd_refined	0.228
r_xyhbond_nbd_refined	0.197
r_symmetry_vdw_refined	0.162
r_symmetry_hbond_refined	0.162
r_chiral_restr	0.114
r_nbtor_other	0.094
r_bond_refined_d	0.017
r_gen_planes_refined	0.005
r_gen_planes_other	0.003
r_bond_other_d	0.002

Non-Hydrogen Atoms Used in Refinement
Non-Hydrogen Atoms	Number
Protein Atoms	6083
Nucleic Acid Atoms
Solvent Atoms	124
Heterogen Atoms	84

Software

Software
Software Name	Purpose
DENZO	data reduction
SCALEPACK	data scaling
AMoRE	phasing
REFMAC	refinement