2FSU

Crystal Structure of the PhnH Protein from Escherichia Coli

X-RAY DIFFRACTION

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Crystallization

Crystalization Experiments
ID	Method	pH	Temperature	Details
1	VAPOR DIFFUSION, HANGING DROP	3.5	295	magnesium acetate, PEG 4000, sodium citrate pH 3.5 with protein in HEPES buffer, VAPOR DIFFUSION, HANGING DROP, temperature 295K

Crystal Properties
Matthews coefficient	Solvent content
1.93	36.22

Crystal Data

Unit Cell
Length ( Å )	Angle ( ˚ )
a = 53.02	α = 90
b = 87.418	β = 90
c = 75.89	γ = 90

Symmetry
Space Group	C 2 2 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	CCD	ADSC QUANTUM 210		2005-11-04	M	MAD

Radiation Source
ID #	Source	Type	Wavelength List	Synchrotron Site	Beamline
1	SYNCHROTRON	NSLS BEAMLINE X6A	0.979029, 0.978681, 0.925256	NSLS	X6A

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	1.57	50	100	0.045	42		24912	24912	1	1

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	1.57	1.77	35.1		0.43	2.8

Refinement

Statistics
Diffraction ID	Structure Solution Method	Cross Validation method	Resolution (High)	Resolution (Low)	Number Reflections (All)	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	1.7	38.92	18698	18698	977	94.53	0.19091	0.18789	0.24842	RANDOM	23.678

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]
-0.02			-0.02		0.04

RMS Deviations
Key	Refinement Restraint Deviation
r_dihedral_angle_2_deg	33.721
r_dihedral_angle_4_deg	14.545
r_dihedral_angle_3_deg	13.451
r_scangle_it	7.342
r_dihedral_angle_1_deg	6.211
r_scbond_it	4.537
r_mcangle_it	2.706
r_angle_refined_deg	2.308
r_mcbond_it	1.645
r_nbtor_refined	0.316
r_symmetry_vdw_refined	0.313
r_nbd_refined	0.269
r_symmetry_hbond_refined	0.269
r_chiral_restr	0.194
r_xyhbond_nbd_refined	0.194
r_bond_refined_d	0.029
r_gen_planes_refined	0.012
r_bond_other_d
r_angle_other_deg
r_gen_planes_other
r_nbd_other
r_nbtor_other
r_xyhbond_nbd_other
r_metal_ion_refined
r_metal_ion_other
r_symmetry_vdw_other
r_symmetry_hbond_other
r_symmetry_metal_ion_refined
r_symmetry_metal_ion_other
r_mcbond_other
r_rigid_bond_restr
r_sphericity_free
r_sphericity_bonded

Non-Hydrogen Atoms Used in Refinement
Non-Hydrogen Atoms	Number
Protein Atoms	1274
Nucleic Acid Atoms
Solvent Atoms	184
Heterogen Atoms	8

Software

Software
Software Name	Purpose
REFMAC	refinement
SCALEPACK	data scaling
SOLVE	phasing
CNS	refinement
HKL-2000	data reduction
HKL-2000	data collection