2FUR

CRYSTAL STRUCTURE OF A PUTATIVE FMN-BINDING PROTEIN (TA1372) FROM THERMOPLASMA ACIDOPHILUM AT 1.80 A RESOLUTION

X-RAY DIFFRACTION

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Crystallization

Crystalization Experiments
ID	Method	pH	Temperature	Details
1	VAPOR DIFFUSION, SITTING DROP, NANODROP	5	277	10.0% PEG-6000, 0.1M Acetate, pH 5.0, VAPOR DIFFUSION, SITTING DROP, NANODROP, temperature 277K

Crystal Properties
Matthews coefficient	Solvent content
2.2	43.57

Crystal Data

Unit Cell
Length ( Å )	Angle ( ˚ )
a = 61.04	α = 90
b = 66.69	β = 90
c = 99.94	γ = 90

Symmetry
Space Group	P 21 21 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 315		2005-12-15	M	MAD

Radiation Source
ID #	Source	Type	Wavelength List	Synchrotron Site	Beamline
1	SYNCHROTRON	ALS BEAMLINE 8.2.2	0.9797, 1.0000, 0.9796	ALS	8.2.2

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	1.8	29.26	92	0.085	0.085	7.38	1.91		38245

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	1.8	1.86	72.9		0.715	0.715	1.6	1.89

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	1.8	29.26	38187	1910	99.35	0.188	0.186	0.231	RANDOM	23.249

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]
-0.25			-1.93		2.17

RMS Deviations
Key	Refinement Restraint Deviation
r_dihedral_angle_2_deg	34.893
r_dihedral_angle_4_deg	18.115
r_dihedral_angle_3_deg	14.434
r_scangle_it	6.991
r_dihedral_angle_1_deg	6.056
r_scbond_it	5.376
r_mcangle_it	3.109
r_mcbond_it	2.383
r_angle_refined_deg	1.548
r_angle_other_deg	0.983
r_mcbond_other	0.617
r_symmetry_vdw_refined	0.335
r_symmetry_vdw_other	0.228
r_nbd_refined	0.207
r_nbd_other	0.195
r_nbtor_refined	0.182
r_xyhbond_nbd_refined	0.161
r_symmetry_hbond_refined	0.103
r_chiral_restr	0.093
r_nbtor_other	0.087
r_bond_refined_d	0.017
r_gen_planes_refined	0.006
r_bond_other_d	0.001
r_gen_planes_other	0.001

Non-Hydrogen Atoms Used in Refinement
Non-Hydrogen Atoms	Number
Protein Atoms	2971
Nucleic Acid Atoms
Solvent Atoms	272
Heterogen Atoms	20

Software

Software
Software Name	Purpose
REFMAC	refinement
XSCALE	data scaling
PDB_EXTRACT	data extraction
XDS	data reduction
SHARP	phasing