8A4R

Proline Racemase (ProR) from the Gram-positive bacterium Acetoanaerobium sticklandii from isotropic orthorhombic data at 3.59 A

X-RAY DIFFRACTION

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Crystallization

Crystalization Experiments
ID	Method	pH	Temperature	Details
1	VAPOR DIFFUSION, SITTING DROP	7	291	1.26 M Ammonium Sulphate, 100 mM Cacodylate, pH 6.5 at rtp

Crystal Properties
Matthews coefficient	Solvent content
2.85	50

Crystal Data

Unit Cell
Length ( Å )	Angle ( ˚ )
a = 104.454	α = 90
b = 107.478	β = 90
c = 109.052	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	PIXEL	DECTRIS PILATUS 6M-F		2018-05-09	M	SINGLE WAVELENGTH

Radiation Source
ID #	Source	Type	Wavelength List	Synchrotron Site	Beamline
1	SYNCHROTRON	DIAMOND BEAMLINE I03	0.97625	Diamond	I03

Data Collection

Overall
ID #	Resolution (High)	Resolution (Low)	Percent Possible (Observed)	R Merge I (Observed)	Rpim I (All)	CC (Half)	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	3.59	107.48	100	0.196	0.085	0.991	6.4	6.3		14925

Highest Resolution Shell
ID #	Resolution (High)	Resolution (Low)	Percent Possible (All)	Percent Possible (Observed)	R Merge I (Observed)	Rpim I (All)	CC (Half)	Mean I Over Sigma (Observed)	Redundancy	Number Unique Reflections (All)
1	3.59	3.93	100		1.015	0.441	0.498	2.1	6.4

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 (All)	R-Work	R-Free	Mean Isotropic B
X-RAY DIFFRACTION	MOLECULAR REPLACEMENT	FREE R-VALUE	7pb3	3.59	76.549	14881	747	99.98	0.265	0.2597	0.3599	141.755

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]
0.996			0.124		-1.12

RMS Deviations
Key	Refinement Restraint Deviation
r_dihedral_angle_2_deg	41.233
r_dihedral_angle_3_deg	21.539
r_dihedral_angle_4_deg	15.178
r_lrange_it	11.281
r_lrange_other	11.281
r_dihedral_angle_1_deg	9.777
r_mcangle_it	7.144
r_mcangle_other	7.144
r_scangle_it	6.529
r_scangle_other	6.529
r_mcbond_it	4.179
r_mcbond_other	4.179
r_scbond_it	3.718
r_scbond_other	3.718
r_angle_other_deg	2.378
r_angle_refined_deg	1.655
r_nbd_other	0.272
r_nbd_refined	0.243
r_symmetry_xyhbond_nbd_refined	0.24
r_symmetry_nbd_other	0.238
r_symmetry_nbd_refined	0.203
r_xyhbond_nbd_refined	0.185
r_nbtor_refined	0.168
r_symmetry_xyhbond_nbd_other	0.16
r_symmetry_nbtor_other	0.077
r_chiral_restr	0.063
r_bond_other_d	0.035
r_xyhbond_nbd_other	0.034
r_bond_refined_d	0.007
r_gen_planes_refined	0.006
r_gen_planes_other	0.006

Non-Hydrogen Atoms Used in Refinement
Non-Hydrogen Atoms	Number
Protein Atoms	10344
Nucleic Acid Atoms
Solvent Atoms
Heterogen Atoms	16

Software

Software
Software Name	Purpose
REFMAC	refinement
DIALS	data reduction
xia2	data scaling
PHASER	phasing