2IWK

Inhibitor-bound form of nitrous oxide reductase from Achromobacter Cycloclastes at 1.7 Angstrom resolution

X-RAY DIFFRACTION

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Crystallization

Crystal Properties
Matthews coefficient	Solvent content
2.08	40.85

Crystal Data

Unit Cell
Length ( Å )	Angle ( ˚ )
a = 71.114	α = 90
b = 120.913	β = 90
c = 137.343	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 CCD			M	SINGLE WAVELENGTH

Radiation Source
ID #	Source	Type	Wavelength List	Synchrotron Site	Beamline
1	SYNCHROTRON	SRS BEAMLINE PX9.6		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	1.7	50	98.4	0.14	7.8	4.2		128667		2

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 (Observed)	R-Work	R-Free	R-Free Selection Details	Mean Isotropic B
X-RAY DIFFRACTION	OTHER	THROUGHOUT	1.7	50	121914	6457	98.3	0.17	0.168	0.207	RANDOM	20.56

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]
0.18			-0.53		0.35

RMS Deviations
Key	Refinement Restraint Deviation
r_dihedral_angle_2_deg	33.197
r_dihedral_angle_4_deg	15.355
r_dihedral_angle_3_deg	13.114
r_dihedral_angle_1_deg	6.686
r_scangle_it	3.856
r_scbond_it	2.468
r_angle_refined_deg	1.587
r_mcangle_it	1.469
r_angle_other_deg	0.858
r_mcbond_it	0.855
r_nbd_refined	0.219
r_nbd_other	0.208
r_symmetry_vdw_other	0.194
r_nbtor_refined	0.174
r_xyhbond_nbd_refined	0.16
r_symmetry_hbond_refined	0.146
r_chiral_restr	0.102
r_nbtor_other	0.085
r_symmetry_vdw_refined	0.083
r_bond_refined_d	0.016
r_gen_planes_refined	0.007
r_bond_other_d	0.001
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_mcbond_other
r_mcangle_other
r_scbond_other
r_scangle_other
r_long_range_B_refined
r_long_range_B_other
r_rigid_bond_restr
r_sphericity_free
r_sphericity_bonded

Non-Hydrogen Atoms Used in Refinement
Non-Hydrogen Atoms	Number
Protein Atoms	9260
Nucleic Acid Atoms
Solvent Atoms	853
Heterogen Atoms	95

Software

Software
Software Name	Purpose
REFMAC	refinement