3HM7

Crystal structure of allantoinase from Bacillus halodurans C-125

X-RAY DIFFRACTION

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Crystallization

Crystalization Experiments
ID	Method	pH	Temperature	Details
1	VAPOR DIFFUSION, SITTING DROP	7.5	294	100MM HEPES PH 7.5, 36% PEG 400, 300MM MAGNESIUM CHLORIDE, 10% GLYCEROL, VAPOR DIFFUSION, SITTING DROP, TEMPERATURE 294K

Crystal Properties
Matthews coefficient	Solvent content
2.52	51.22

Crystal Data

Unit Cell
Length ( Å )	Angle ( ˚ )
a = 157.658	α = 90
b = 157.658	β = 90
c = 418.026	γ = 120

Symmetry
Space Group	P 61 2 2

Diffraction

Diffraction Experiment
ID #	Crystal ID	Scattering Type	Data Collection Temperature	Detector	Detector Type	Details	Collection Date	Monochromator	Protocol
1	1	x-ray	77	CCD	MAR CCD 165 mm		2008-10-04	M	SINGLE WAVELENGTH

Radiation Source
ID #	Source	Type	Wavelength List	Synchrotron Site	Beamline
1	SYNCHROTRON	APS BEAMLINE 31-ID		APS	31-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	2.6	40	99.9	0.116	4	12.3		94850		-0.5

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	2.6	2.69	100		0.56	1.5	10.9

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	SAD	THROUGHOUT	2.6	20	91704	2847	99.98	0.24054	0.23969	0.2673	RANDOM	38.874

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]
1.5	0.75		1.5		-2.25

RMS Deviations
Key	Refinement Restraint Deviation
r_dihedral_angle_2_deg	37.401
r_dihedral_angle_3_deg	18.845
r_dihedral_angle_4_deg	14.916
r_scangle_it	10.541
r_scbond_it	9.168
r_dihedral_angle_1_deg	6.351
r_mcangle_it	5.752
r_mcbond_it	4.464
r_angle_refined_deg	1.268
r_nbtor_refined	0.298
r_symmetry_hbond_refined	0.175
r_xyhbond_nbd_refined	0.16
r_nbd_refined	0.143
r_symmetry_vdw_refined	0.113
r_chiral_restr	0.083
r_bond_refined_d	0.008
r_gen_planes_refined	0.003
r_bond_other_d
r_angle_other_deg
r_gen_planes_other
r_nbd_other
r_nbtor_other
r_xyhbond_nbd_other
r_metal_ion_refined
r_metal_ion_other
r_symmetry_vdw_other
r_symmetry_hbond_other
r_symmetry_metal_ion_refined
r_symmetry_metal_ion_other
r_mcbond_other
r_rigid_bond_restr
r_sphericity_free
r_sphericity_bonded

Non-Hydrogen Atoms Used in Refinement
Non-Hydrogen Atoms	Number
Protein Atoms	20369
Nucleic Acid Atoms
Solvent Atoms	371
Heterogen Atoms	6

Software

Software
Software Name	Purpose
SHELXD	phasing
RESOLVE	model building
REFMAC	refinement
HKL-2000	data reduction
HKL-2000	data scaling
RESOLVE	phasing