3KY8

Crystal structure of Putative riboflavin biosynthesis protein (YP_001092907.1) from SHEWANELLA SP. PV-4 at 2.12 A resolution

X-RAY DIFFRACTION

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Crystallization

Crystalization Experiments
ID	Method	pH	Temperature	Details
1	VAPOR DIFFUSION, SITTING DROP	5.6	277	0.5000M (NH4)2SO4, 1.0000M Li2SO4, 0.1M Citrate pH 5.6, NANODROP, VAPOR DIFFUSION, SITTING DROP, temperature 277K

Crystal Properties
Matthews coefficient	Solvent content
2.3	46.6

Crystal Data

Unit Cell
Length ( Å )	Angle ( ˚ )
a = 72.679	α = 90
b = 72.679	β = 90
c = 156.974	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)	2009-07-09	M	MAD

Radiation Source
ID #	Source	Type	Wavelength List	Synchrotron Site	Beamline
1	SYNCHROTRON	SSRL BEAMLINE BL11-1	0.91837,0.97917,0.97870	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	2.12	30.029	99.6	0.096	11.7			24676		-3	35.549

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	2.12	2.2	99.2		0.948	1.5

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	2.12	30.029	24610	1256	99.69	0.184	0.181	0.231	RANDOM	37.954

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]
1.43			1.43		-2.86

RMS Deviations
Key	Refinement Restraint Deviation
r_dihedral_angle_2_deg	39.495
r_dihedral_angle_3_deg	14.8
r_dihedral_angle_4_deg	11.108
r_scangle_it	6.566
r_dihedral_angle_1_deg	6.427
r_scbond_it	4.916
r_mcangle_it	2.865
r_mcbond_it	1.983
r_angle_refined_deg	1.59
r_angle_other_deg	0.961
r_mcbond_other	0.675
r_nbd_refined	0.25
r_symmetry_vdw_other	0.229
r_symmetry_vdw_refined	0.211
r_symmetry_hbond_refined	0.209
r_nbd_other	0.199
r_nbtor_refined	0.178
r_xyhbond_nbd_refined	0.153
r_chiral_restr	0.094
r_nbtor_other	0.088
r_bond_refined_d	0.016
r_gen_planes_refined	0.006
r_bond_other_d	0.002
r_gen_planes_other	0.001

Non-Hydrogen Atoms Used in Refinement
Non-Hydrogen Atoms	Number
Protein Atoms	2811
Nucleic Acid Atoms
Solvent Atoms	197
Heterogen Atoms	76

Software

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