3E0Z

Crystal structure of a putative imidazole glycerol phosphate synthase homolog (eubrec_1070) from eubacterium rectale at 1.75 A resolution

X-RAY DIFFRACTION

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Crystallization

Crystalization Experiments
ID	Method	pH	Temperature	Details
1	VAPOR DIFFUSION, SITTING DROP	6	277	30.0000% PEG-6000, 0.1M MES pH 6.0, VAPOR DIFFUSION,SITTING DROP,NANODROP, temperature 277K, VAPOR DIFFUSION, SITTING DROP

Crystal Properties
Matthews coefficient	Solvent content
1.82	32.45

Crystal Data

Unit Cell
Length ( Å )	Angle ( ˚ )
a = 51.79	α = 90
b = 60.18	β = 98.18
c = 59.86	γ = 90

Symmetry
Space Group	P 1 21 1

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)	2008-06-15	M	SINGLE WAVELENGTH
2	1	x-ray	100	CCD	MARMOSAIC 325 mm CCD	Flat mirror (vertical focusing)	2008-06-23	M	MAD

Radiation Source
ID #	Source	Type	Wavelength List	Synchrotron Site	Beamline
1	SYNCHROTRON	SSRL BEAMLINE BL11-1	0.97895	SSRL	BL11-1
2	SYNCHROTRON	SSRL BEAMLINE BL11-1	0.97872, 0.97931, 0.91837	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
1,2	1.75	29.656	99	0.136	0.136	4.5	4.4		36433			13.79

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)
1,2	1.75	1.8	97.7		0.537	0.537	1.4	2.5	2660

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	1.75	29.656	36334	1801	98.51	0.174	0.171	0.219	RANDOM	10.707

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]
-0.22		0.13	1.07		-0.81

RMS Deviations
Key	Refinement Restraint Deviation
r_dihedral_angle_2_deg	35.228
r_dihedral_angle_4_deg	13.333
r_dihedral_angle_3_deg	8.719
r_scangle_it	5.404
r_scbond_it	3.971
r_dihedral_angle_1_deg	2.741
r_mcangle_it	2.088
r_angle_refined_deg	1.817
r_mcbond_it	1.62
r_angle_other_deg	1.61
r_mcbond_other	0.578
r_nbd_refined	0.179
r_symmetry_hbond_refined	0.171
r_xyhbond_nbd_refined	0.161
r_nbtor_refined	0.158
r_symmetry_vdw_other	0.144
r_nbd_other	0.114
r_chiral_restr	0.099
r_symmetry_vdw_refined	0.085
r_nbtor_other	0.082
r_bond_refined_d	0.015
r_gen_planes_refined	0.007
r_bond_other_d	0.005
r_gen_planes_other	0.004

Non-Hydrogen Atoms Used in Refinement
Non-Hydrogen Atoms	Number
Protein Atoms	3431
Nucleic Acid Atoms
Solvent Atoms	394
Heterogen Atoms	34

Software

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