2QL8

Crystal structure of a putative redox protein (lsei_0423) from lactobacillus casei atcc 334 at 1.50 A resolution

X-RAY DIFFRACTION

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Crystallization

Crystalization Experiments
ID	Method	pH	Temperature	Details
1	VAPOR DIFFUSION, SITTING DROP	8.5	277	NANODROP, 2.0M (NH4)2SO4, 0.1M Tris-HCl pH 8.5, VAPOR DIFFUSION, SITTING DROP, temperature 277K

Crystal Properties
Matthews coefficient	Solvent content
3.43	64.11

Crystal Data

Unit Cell
Length ( Å )	Angle ( ˚ )
a = 81.99	α = 90
b = 81.99	β = 90
c = 129.88	γ = 90

Symmetry
Space Group	P 43 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)	2007-07-01	M	MAD

Radiation Source
ID #	Source	Type	Wavelength List	Synchrotron Site	Beamline
1	SYNCHROTRON	SSRL BEAMLINE BL11-1	0.91837, 0.97917, 0.97891	SSRL	BL11-1

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	1.5	29.761	99.6	0.04	18.13			71427		-3	24.94

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	1.5	1.55	97.4		0.517	2.5

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	MAD	THROUGHOUT	1.5	29.761	71338	3613	99.85	0.136	0.135	0.159	RANDOM	15.81

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			-0.03		0.05

RMS Deviations
Key	Refinement Restraint Deviation
r_dihedral_angle_2_deg	37.795
r_dihedral_angle_4_deg	13.592
r_dihedral_angle_3_deg	11.056
r_sphericity_free	8.828
r_scangle_it	6.453
r_dihedral_angle_1_deg	5.724
r_sphericity_bonded	5.326
r_scbond_it	4.858
r_mcangle_it	3.669
r_mcbond_it	2.924
r_rigid_bond_restr	2.55
r_mcbond_other	2.043
r_angle_refined_deg	1.538
r_angle_other_deg	0.97
r_symmetry_vdw_other	0.272
r_symmetry_vdw_refined	0.226
r_nbd_refined	0.222
r_symmetry_hbond_refined	0.208
r_nbd_other	0.196
r_xyhbond_nbd_refined	0.176
r_nbtor_refined	0.172
r_xyhbond_nbd_other	0.146
r_chiral_restr	0.091
r_nbtor_other	0.089
r_bond_refined_d	0.017
r_gen_planes_refined	0.007
r_bond_other_d	0.004
r_gen_planes_other	0.001

Non-Hydrogen Atoms Used in Refinement
Non-Hydrogen Atoms	Number
Protein Atoms	2162
Nucleic Acid Atoms
Solvent Atoms	431
Heterogen Atoms	54

Software

Software
Software Name	Purpose
REFMAC	refinement
PHENIX	refinement
SHELX	phasing
MolProbity	model building
XSCALE	data scaling
PDB_EXTRACT	data extraction
MAR345	data collection
XDS	data reduction
SHELXD	phasing
autoSHARP	phasing