1SZG | pdb_00001szg

A198G:L230A flavocytochrome b2 with sulfite bound

X-RAY DIFFRACTION

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Starting Model(s)

Initial Refinement Model(s)
Type	Source	Accession Code	Details
experimental model	PDB	1LTD	pdb id 1LTD

Crystallization

Crystalization Experiments
ID	Method	pH	Temperature	Details
1	VAPOR DIFFUSION, HANGING DROP	6.5	291	0.1 M MES, 12-15% PEG4000, 18-21% glycerol, 50 mM sodium sulfite, pH 6.5, VAPOR DIFFUSION, HANGING DROP, temperature 291K

Crystal Properties
Matthews coefficient	Solvent content
5	75.1

Crystal Data

Unit Cell
Length ( Å )	Angle ( ˚ )
a = 163.966	α = 90
b = 163.966	β = 90
c = 112.508	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		2002-05-21	M	SINGLE WAVELENGTH

Radiation Source
ID #	Source	Type	Wavelength List	Synchrotron Site	Beamline
1	SYNCHROTRON	SRS BEAMLINE PX9.6	0.8700	SRS	PX9.6

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	2.7	24	91	0.119	11.44		48197	43777			40.5

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	2.7	2.8	92		0.6	2.66		4362

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 (Depositor)	R-Work (DCC)	R-Free (Depositor)	R-Free (DCC)	R-Free Selection Details	Mean Isotropic B
X-RAY DIFFRACTION	MOLECULAR REPLACEMENT	THROUGHOUT	pdb id 1LTD	2.7	24	48197	41515	2233	91	0.22495	0.22276	0.2237	0.26567	0.2649	RANDOM	53.452

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]
1.69	0.85		1.69		-2.54

RMS Deviations
Key	Refinement Restraint Deviation
r_dihedral_angle_1_deg	6.448
r_scangle_it	4.162
r_scbond_it	2.51
r_angle_refined_deg	1.476
r_mcangle_it	1.39
r_mcbond_it	0.696
r_nbd_refined	0.226
r_symmetry_vdw_refined	0.19
r_xyhbond_nbd_refined	0.165
r_symmetry_hbond_refined	0.156
r_chiral_restr	0.123
r_gen_planes_refined	0.023
r_bond_refined_d	0.012

Non-Hydrogen Atoms Used in Refinement
Non-Hydrogen Atoms	Number
Protein Atoms	6054
Nucleic Acid Atoms
Solvent Atoms	131
Heterogen Atoms	70

Software

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