1X87

2.4A X-ray structure of Urocanase protein complexed with NAD

X-RAY DIFFRACTION

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Crystallization

Crystalization Experiments
ID	Method	pH	Temperature	Details
1	VAPOR DIFFUSION			VAPOR DIFFUSION

Crystal Properties
Matthews coefficient	Solvent content
2.37	48.17

Crystal Data

Unit Cell
Length ( Å )	Angle ( ˚ )
a = 100.118	α = 90
b = 101.614	β = 90
c = 113.854	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	150	CCD	CUSTOM-MADE	SBC2	2004-07-18	M	SINGLE WAVELENGTH

Radiation Source
ID #	Source	Type	Wavelength List	Synchrotron Site	Beamline
1	SYNCHROTRON	APS BEAMLINE 19-ID	0.97945	APS	19-ID

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	2.4	50	99.4	0.073			46226	46226

Refinement

Statistics
Diffraction ID	Structure Solution Method	Cross Validation method	Resolution (High)	Resolution (Low)	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	SAD	THROUGHOUT	2.4	20	43601	43601	2323	99.84	0.18886	0.1888	0.18651	0.23241	RANDOM	46.441

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]
-0.03			-1.48		1.5

RMS Deviations
Key	Refinement Restraint Deviation
r_dihedral_angle_2_deg	34.124
r_dihedral_angle_4_deg	20.985
r_dihedral_angle_3_deg	18.156
r_dihedral_angle_1_deg	6.391
r_scangle_it	2.955
r_scbond_it	1.942
r_angle_refined_deg	1.461
r_mcangle_it	1.211
r_mcbond_it	1.176
r_angle_other_deg	1.082
r_symmetry_vdw_other	0.236
r_symmetry_hbond_refined	0.225
r_nbd_refined	0.212
r_symmetry_vdw_refined	0.196
r_nbd_other	0.182
r_xyhbond_nbd_refined	0.173
r_mcbond_other	0.145
r_chiral_restr	0.085
r_nbtor_other	0.085
r_xyhbond_nbd_other	0.061
r_bond_refined_d	0.012
r_gen_planes_refined	0.004
r_bond_other_d	0.002
r_gen_planes_other	0.001
r_nbtor_refined
r_metal_ion_refined
r_metal_ion_other
r_symmetry_hbond_other
r_rigid_bond_restr
r_sphericity_free
r_sphericity_bonded

Non-Hydrogen Atoms Used in Refinement
Non-Hydrogen Atoms	Number
Protein Atoms	7570
Nucleic Acid Atoms
Solvent Atoms	218
Heterogen Atoms	88

Software

Software
Software Name	Purpose
REFMAC	refinement
HKL-2000	data reduction
SCALEPACK	data scaling
SOLVE	phasing