3E7A

Crystal Structure of Protein Phosphatase-1 Bound to the natural toxin Nodularin-R

X-RAY DIFFRACTION

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Crystallization

Crystalization Experiments
ID	Method	pH	Temperature	Details
1	MICROBATCH	7	298	20% PEG 3350 and 0.2 M NaI, pH 7.0, under parafin oil, temperature 298K, Microbatch

Crystal Properties
Matthews coefficient	Solvent content
2.41	49.06

Crystal Data

Unit Cell
Length ( Å )	Angle ( ˚ )
a = 65.354	α = 90
b = 77.274	β = 90
c = 132.444	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	93	CCD	ADSC QUANTUM 210	Oxford Danfysik toroidal focusing mirror.	2008-02-28	M	SINGLE WAVELENGTH

Radiation Source
ID #	Source	Type	Wavelength List	Synchrotron Site	Beamline
1	SYNCHROTRON	NSLS BEAMLINE X6A	1.000	NSLS	X6A

Data Collection

Overall
ID #	Resolution (High)	Resolution (Low)	Percent Possible (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	1.63	50	99.3	0.072		7.2	83995	83444	3	1

Highest Resolution Shell
ID #	Resolution (High)	Resolution (Low)	Percent Possible (All)	Percent Possible (Observed)	R-Sym I (Observed)	Mean I Over Sigma (Observed)	Redundancy	Number Unique Reflections (All)
1	1.63	1.69	93.5		0.51	2.3	4.1	7804

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 (Observed)	R-Work	R-Free	R-Free Selection Details	Mean Isotropic B
X-RAY DIFFRACTION	MOLECULAR REPLACEMENT	THROUGHOUT	PDB entry 1FJM	1.63	26.57	83995	79699	4185	99.73	0.144	0.143	0.169	RANDOM	12.9

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]
-0.38			0.15		0.23

RMS Deviations
Key	Refinement Restraint Deviation
r_dihedral_angle_2_deg	32.809
r_dihedral_angle_4_deg	16.732
r_dihedral_angle_3_deg	10.805
r_dihedral_angle_1_deg	6.607
r_scangle_it	4.418
r_scbond_it	3.066
r_mcangle_it	1.954
r_angle_refined_deg	1.374
r_mcbond_it	1.23
r_angle_other_deg	0.93
r_mcbond_other	0.318
r_symmetry_vdw_other	0.228
r_nbd_refined	0.219
r_nbd_other	0.203
r_symmetry_hbond_refined	0.195
r_symmetry_vdw_refined	0.183
r_nbtor_refined	0.181
r_xyhbond_nbd_refined	0.163
r_nbtor_other	0.083
r_chiral_restr	0.08
r_bond_refined_d	0.01
r_gen_planes_refined	0.005
r_bond_other_d	0.001
r_gen_planes_other	0.001

Non-Hydrogen Atoms Used in Refinement
Non-Hydrogen Atoms	Number
Protein Atoms	4753
Nucleic Acid Atoms
Solvent Atoms	682
Heterogen Atoms	40

Software

Software
Software Name	Purpose
DENZO	data reduction
SCALEPACK	data scaling
PHASER	phasing
REFMAC	refinement
PDB_EXTRACT	data extraction
HKL-2000	data collection