2P4O

CRYSTAL STRUCTURE OF A PUTATIVE LACTONASE OF THE SMP-30/GLUCONOLACTONASE/LRE-LIKE REGION FAMILY (NPUN_F0524) FROM NOSTOC PUNCTIFORME PCC 73102 AT 1.90 A RESOLUTION

X-RAY DIFFRACTION

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Crystallization

Crystalization Experiments
ID	Method	pH	Temperature	Details
1	VAPOR DIFFUSION, SITTING DROP	7.5	293	NANODROP, 1.7M (NH4)2SO4, 15.0% Glycerol, 1.7% PEG 400, 0.1M HEPES pH 7.5, VAPOR DIFFUSION, SITTING DROP, temperature 293K

Crystal Properties
Matthews coefficient	Solvent content
2.41	48.92

Crystal Data

Unit Cell
Length ( Å )	Angle ( ˚ )
a = 91.442	α = 90
b = 91.442	β = 90
c = 75.188	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	100	CCD	MARMOSAIC 325 mm CCD	Flat mirror (vertical focusing)	2007-02-11	M	MAD

Radiation Source
ID #	Source	Type	Wavelength List	Synchrotron Site	Beamline
1	SYNCHROTRON	SSRL BEAMLINE BL11-1	0.91162, 0.97895, 0.97925	SSRL	BL11-1

Data Collection

Overall
ID #	Resolution (High)	Resolution (Low)	Percent Possible (Observed)	R Merge I (Observed)	R Sym 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	1.9	29.696	100	0.072	0.072	6	7.1		25746

Highest Resolution Shell
ID #	Resolution (High)	Resolution (Low)	Percent Possible (All)	Percent Possible (Observed)	R Merge I (Observed)	R-Sym I (Observed)	Mean I Over Sigma (Observed)	Redundancy	Number Unique Reflections (All)
1	1.9	1.95	100		0.752	0.752	1	7.2	1865

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 (All)	R-Factor (Observed)	R-Work	R-Free	R-Free Selection Details	Mean Isotropic B
X-RAY DIFFRACTION	MAD	THROUGHOUT	1.9	29.696	25661	1307	99.97	0.174	0.174	0.172	0.219	RANDOM	39.328

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]
0.1			0.1		-0.21

RMS Deviations
Key	Refinement Restraint Deviation
r_dihedral_angle_2_deg	36.546
r_dihedral_angle_4_deg	22.635
r_dihedral_angle_3_deg	12.913
r_dihedral_angle_1_deg	7.273
r_scangle_it	7.002
r_scbond_it	5.492
r_mcangle_it	3.061
r_mcbond_it	2.15
r_angle_refined_deg	1.591
r_angle_other_deg	0.866
r_symmetry_vdw_refined	0.598
r_mcbond_other	0.55
r_symmetry_hbond_refined	0.314
r_nbd_refined	0.211
r_nbd_other	0.185
r_nbtor_refined	0.172
r_symmetry_vdw_other	0.16
r_xyhbond_nbd_refined	0.159
r_chiral_restr	0.096
r_nbtor_other	0.086
r_bond_refined_d	0.016
r_gen_planes_refined	0.006
r_bond_other_d	0.001
r_gen_planes_other	0.001

Non-Hydrogen Atoms Used in Refinement
Non-Hydrogen Atoms	Number
Protein Atoms	2246
Nucleic Acid Atoms
Solvent Atoms	134
Heterogen Atoms	10

Software

Software
Software Name	Purpose
MolProbity	model building
SOLVE	phasing
REFMAC	refinement
SCALA	data scaling
PDB_EXTRACT	data extraction
MAR345	data collection
MOSFLM	data reduction
CCP4	data scaling