1MJ4

Crystal Structure Analysis of the cytochrome b5 domain of human sulfite oxidase

X-RAY DIFFRACTION

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Crystallization

Crystalization Experiments
ID	Method	pH	Temperature	Details
1	VAPOR DIFFUSION, HANGING DROP	8.5	298	ammonium sulfate and Tris, pH 8.5, VAPOR DIFFUSION, HANGING DROP at 298K

Crystal Properties
Matthews coefficient	Solvent content
2.53	51.31

Crystal Data

Unit Cell
Length ( Å )	Angle ( ˚ )
a = 98.899	α = 90
b = 35.447	β = 93.78
c = 26.263	γ = 90

Symmetry
Space Group	C 1 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	298	CCD	ADSC QUANTUM 4		2001-05-01	M	SINGLE WAVELENGTH

Radiation Source
ID #	Source	Type	Wavelength List	Synchrotron Site	Beamline
1	SYNCHROTRON	NSLS BEAMLINE X26C	1.100	NSLS	X26C

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	1.2	50	96			120723	120114	2	1

Highest Resolution Shell
ID #	Resolution (High)	Resolution (Low)	Percent Possible (All)	Percent Possible (Observed)	Mean I Over Sigma (Observed)	Redundancy	Number Unique Reflections (All)
1	1.2	1.24	88

Refinement

Statistics
Diffraction ID	Structure Solution Method	Cross Validation method	Resolution (High)	Resolution (Low)	Cut-off Sigma (F)	Number Reflections (All)	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	MOLECULAR REPLACEMENT	THROUGHOUT	1.2	49.39	2	27496	26118	1378	96.77	0.1195	0.1195	0.11845	0.13855	RANDOM	11.983

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]
0.15		0.23	-0.01		-0.11

RMS Deviations
Key	Refinement Restraint Deviation
r_sphericity_free	9.026
r_dihedral_angle_1_deg	6.504
r_scangle_it	5.647
r_sphericity_bonded	5.493
r_scbond_it	4.069
r_mcangle_it	3.552
r_rigid_bond_restr	2.427
r_mcbond_it	2.426
r_angle_refined_deg	2.186
p_angle_d	2.186
r_angle_other_deg	1.108
r_nbd_refined	0.739
r_xyhbond_nbd_refined	0.342
r_symmetry_vdw_other	0.282
r_nbd_other	0.278
r_symmetry_vdw_refined	0.257
r_symmetry_hbond_refined	0.198
r_chiral_restr	0.15
r_nbtor_other	0.098
r_bond_refined_d	0.023
p_bond_d	0.023
r_gen_planes_other	0.022
r_gen_planes_refined	0.018
r_bond_other_d	0.007

Non-Hydrogen Atoms Used in Refinement
Non-Hydrogen Atoms	Number
Protein Atoms	617
Nucleic Acid Atoms
Solvent Atoms	117
Heterogen Atoms	54

Software

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