2R7K | pdb_00002r7k

Crystal structure of FAICAR synthetase (PurP) from M. jannaschii complexed with AMPPCP and AICAR

X-RAY DIFFRACTION

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Crystallization

Crystalization Experiments
ID	Method	pH	Temperature	Details
1	VAPOR DIFFUSION, HANGING DROP	4.1	291	1.2 M (NH4)2SO4, 0.2 M NaCl, 0.1 M Na acetate, pH 4.1, vapor diffusion, hanging drop, temperature 291K

Crystal Properties
Matthews coefficient	Solvent content
3.61	65.92

Crystal Data

Unit Cell
Length ( Å )	Angle ( ˚ )
a = 109.435	α = 90
b = 109.435	β = 90
c = 255.994	γ = 120

Symmetry
Space Group	H 3 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	ADSC QUANTUM 315		2006-03-05	M	SINGLE WAVELENGTH

Radiation Source
ID #	Source	Type	Wavelength List	Synchrotron Site	Beamline
1	SYNCHROTRON	APS BEAMLINE 24-ID-C	0.97918	APS	24-ID-C

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	2.1	50	98.5	0.079	21.6	16.2	34334	34235

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)
	2.1	2.18	90.7		0.28		11.4	3125

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 (Depositor)	R-Work (DCC)	R-Free (Depositor)	R-Free (DCC)	R-Free Selection Details	Mean Isotropic B
X-RAY DIFFRACTION	SAD	THROUGHOUT	2.1	46.08	34334	34235	1748	98.31	0.21	0.208	0.1947	0.248	0.2287	RANDOM	48.062

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]
3.04	1.52		3.04		-4.55

RMS Deviations
Key	Refinement Restraint Deviation
r_dihedral_angle_2_deg	33.359
r_dihedral_angle_4_deg	18.705
r_dihedral_angle_3_deg	13.883
r_scangle_it	6.459
r_mcangle_it	6.242
r_dihedral_angle_1_deg	5.278
r_scbond_it	4.683
r_mcbond_it	4.55
r_angle_refined_deg	1.018
r_nbtor_refined	0.324
r_nbd_refined	0.217
r_symmetry_hbond_refined	0.211
r_xyhbond_nbd_refined	0.2
r_symmetry_vdw_refined	0.152
r_chiral_restr	0.066
r_bond_refined_d	0.006
r_gen_planes_refined	0.003

Non-Hydrogen Atoms Used in Refinement
Non-Hydrogen Atoms	Number
Protein Atoms	2867
Nucleic Acid Atoms
Solvent Atoms	108
Heterogen Atoms	60

Software

Software
Software Name	Purpose
DENZO	data reduction
SCALEPACK	data scaling
SHARP	phasing
REFMAC	refinement
PDB_EXTRACT	data extraction
ADSC	data collection