2F2E

Crystal Structure of PA1607, a Putative Transcription Factor

X-RAY DIFFRACTION

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Crystallization

Crystalization Experiments
ID	Method	pH	Temperature	Details
1	VAPOR DIFFUSION, HANGING DROP	8.6	298	10mg/ml protein, 0.1 M Tris, 0.2 M LiSO4, 28 % PEG 3350, pH 8.6, VAPOR DIFFUSION, HANGING DROP, temperature 298K

Crystal Properties
Matthews coefficient	Solvent content
2.23	44.75

Crystal Data

Unit Cell
Length ( Å )	Angle ( ˚ )
a = 46.884	α = 90
b = 78.865	β = 91.64
c = 78.941	γ = 90

Symmetry
Space Group	C 1 2 1

Diffraction

Diffraction Experiment
ID #	Crystal ID	Scattering Type	Data Collection Temperature	Detector	Detector Type	Details	Collection Date	Monochromator	Protocol
1	1	x-ray					2005-04-01	M	MAD

Radiation Source
ID #	Source	Type	Wavelength List	Synchrotron Site	Beamline
1	SYNCHROTRON	APS BEAMLINE 19-ID	0.97932, 0.97948	APS	19-ID

Data Collection

Overall
ID #	Resolution (High)	Resolution (Low)	Percent Possible (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	1.85	78					24599

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	1.85	35.27	21007	1130	90.03	0.18081	0.17697	0.25099	RANDOM	36.558

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]
2.12		-2.14	-1.83		-0.41

RMS Deviations
Key	Refinement Restraint Deviation
r_dihedral_angle_2_deg	31.623
r_dihedral_angle_4_deg	15.385
r_dihedral_angle_3_deg	14.916
r_dihedral_angle_1_deg	6.987
r_scangle_it	4.013
r_scbond_it	2.965
r_mcangle_it	1.744
r_angle_refined_deg	1.696
r_mcbond_it	1.254
r_symmetry_hbond_refined	0.347
r_nbtor_refined	0.309
r_symmetry_vdw_refined	0.228
r_nbd_refined	0.224
r_xyhbond_nbd_refined	0.204
r_chiral_restr	0.119
r_bond_refined_d	0.019
r_gen_planes_refined	0.007
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	2215
Nucleic Acid Atoms
Solvent Atoms	329
Heterogen Atoms	32

Software

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