2Z9B

The crystal structure of AzoR (azoreductase) from Escherichia coli: Reduced AzoR in tetragonal crystals

X-RAY DIFFRACTION

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Crystallization

Crystal Properties
Matthews coefficient	Solvent content
2.53	51.35

Crystal Data

Unit Cell
Length ( Å )	Angle ( ˚ )
a = 91.882	α = 90
b = 91.882	β = 90
c = 51.623	γ = 90

Symmetry
Space Group	P 42 21 2

Diffraction

Diffraction Experiment
ID #	Crystal ID	Scattering Type	Data Collection Temperature	Detector	Detector Type	Details	Collection Date	Monochromator	Protocol
1	1	x-ray		CCD	ADSC QUANTUM 4		2002-12-11	M	SINGLE WAVELENGTH

Radiation Source
ID #	Source	Type	Wavelength List	Synchrotron Site	Beamline
1	SYNCHROTRON	PHOTON FACTORY BEAMLINE BL-6A	1.0000	Photon Factory	BL-6A

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	1.7	64.96					24003

Refinement

Statistics
Diffraction ID	Structure Solution Method	Cross Validation method	Starting model	Resolution (High)	Resolution (Low)	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 1V4B	1.7	27.5	22745	1227	96.42	0.18634	0.18476	0.21596	RANDOM	15.127

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]
0.43			0.43		-0.86

RMS Deviations
Key	Refinement Restraint Deviation
r_dihedral_angle_2_deg	34.024
r_dihedral_angle_4_deg	13.404
r_dihedral_angle_3_deg	11.674
r_dihedral_angle_1_deg	5.363
r_scangle_it	3.569
r_scbond_it	2.827
r_mcangle_it	1.615
r_angle_refined_deg	1.613
r_mcbond_it	1.392
r_angle_other_deg	0.956
r_symmetry_hbond_refined	0.318
r_mcbond_other	0.292
r_symmetry_vdw_other	0.213
r_nbd_refined	0.206
r_nbd_other	0.199
r_nbtor_refined	0.184
r_xyhbond_nbd_refined	0.165
r_symmetry_vdw_refined	0.156
r_chiral_restr	0.093
r_nbtor_other	0.087
r_bond_refined_d	0.017
r_bond_other_d	0.009
r_gen_planes_refined	0.007
r_gen_planes_other	0.001
r_xyhbond_nbd_other
r_metal_ion_refined
r_metal_ion_other
r_symmetry_hbond_other
r_symmetry_metal_ion_refined
r_symmetry_metal_ion_other
r_rigid_bond_restr
r_sphericity_free
r_sphericity_bonded

Non-Hydrogen Atoms Used in Refinement
Non-Hydrogen Atoms	Number
Protein Atoms	1468
Nucleic Acid Atoms
Solvent Atoms	109
Heterogen Atoms	39

Software

Software
Software Name	Purpose
REFMAC	refinement