2B82

Crystal structure of AphA class B acid phosphatase/phosphotransferase ternary complex with adenosine and phosphate bound to the catalytic metal at 1.2 A resolution

X-RAY DIFFRACTION

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Crystallization

Crystalization Experiments
ID	Method	pH	Temperature	Details
1	VAPOR DIFFUSION, SITTING DROP	7.2	293	AphA 6mg/mL, 50 mM Na acetate, 25% PEG 6000, 10mM AMP, pH 7.2, VAPOR DIFFUSION, SITTING DROP, temperature 293K

Crystal Properties
Matthews coefficient	Solvent content
2.4	48.9

Crystal Data

Unit Cell
Length ( Å )	Angle ( ˚ )
a = 90.971	α = 90
b = 66.868	β = 116.96
c = 86.12	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	100	CCD	ADSC QUANTUM 4	channel - cut Si monochromator and cylindrical grazing incidence mirror	2002-12-07	M	SINGLE WAVELENGTH

Radiation Source
ID #	Source	Type	Wavelength List	Synchrotron Site	Beamline
1	SYNCHROTRON	ESRF BEAMLINE ID29	0.96111	ESRF	ID29

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	1.25	76.71	88.7	0.069	0.069	5.1	2.6	112327	112327			8.827

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	1.25	1.32	58.2		0.22	0.22	3	1.8	10703

Refinement

Statistics
Diffraction ID	Structure Solution Method	Cross Validation method	Starting model	Resolution (High)	Resolution (Low)	Number Reflections (All)	Number Reflections (Observed)	Number Reflections (R-Free)	Percent Reflections (Observed)	R-Factor (All)	R-Factor (Observed)	R-Work	R-Free	R-Free Selection Details	Mean Isotropic B
X-RAY DIFFRACTION	MOLECULAR REPLACEMENT	THROUGHOUT	1N8N	1.25	76.71	104254	104254	8072	100	0.16693	0.16693	0.16527	0.1885	RANDOM	13.61

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]
0.11		0.26	0.07		0.06

RMS Deviations
Key	Refinement Restraint Deviation
r_dihedral_angle_2_deg	39.941
r_dihedral_angle_4_deg	14.689
r_dihedral_angle_3_deg	11.231
r_dihedral_angle_1_deg	5.172
r_scangle_it	2.202
r_sphericity_free	1.703
r_sphericity_bonded	1.616
r_scbond_it	1.446
r_angle_refined_deg	1.391
r_mcangle_it	1.043
r_rigid_bond_restr	0.813
r_mcbond_it	0.647
r_nbtor_refined	0.309
r_symmetry_vdw_refined	0.198
r_nbd_refined	0.183
r_symmetry_hbond_refined	0.08
r_chiral_restr	0.077
r_xyhbond_nbd_refined	0.076
r_bond_refined_d	0.006
r_gen_planes_refined	0.004
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

Non-Hydrogen Atoms Used in Refinement
Non-Hydrogen Atoms	Number
Protein Atoms	3314
Nucleic Acid Atoms
Solvent Atoms	856
Heterogen Atoms	50

Software

Software
Software Name	Purpose
MOSFLM	data reduction
SCALA	data scaling
MOLREP	phasing
REFMAC	refinement
CCP4	data scaling