3C5W

Complex between PP2A-specific methylesterase PME-1 and PP2A core enzyme

X-RAY DIFFRACTION

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Starting Model(s)

Initial Refinement Model(s)
Type	Source	Accession Code	Details
experimental model	PDB	2IE3	PP2A A subunit, PP2A C subunit, PME-1 monomer
experimental model	PDB	3C5V	PP2A A subunit, PP2A C subunit, PME-1 monomer

Crystallization

Crystalization Experiments
ID	Method	pH	Temperature	Details
1	VAPOR DIFFUSION, HANGING DROP	7.5	290	25% w/v PEG3350, 100 mM ammonium citrate, and 5 mM DTT, pH 7.5, VAPOR DIFFUSION, HANGING DROP, temperature 290K

Crystal Properties
Matthews coefficient	Solvent content
2.17	43.22

Crystal Data

Unit Cell
Length ( Å )	Angle ( ˚ )
a = 129.292	α = 90
b = 54.839	β = 110.87
c = 125.146	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 315		2007-09-10	M	SINGLE WAVELENGTH

Radiation Source
ID #	Source	Type	Wavelength List	Synchrotron Site	Beamline
1	SYNCHROTRON	NSLS BEAMLINE X29A	1.0809	NSLS	X29A

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	2.8	100	98.6	0.095		3	20623	20623		-3

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	2.8	2.9	95.7		0.4		2.9

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	PP2A A subunit, PP2A C subunit, PME-1 monomer	2.8	50	19235	19235	1018	98.63	0.19844	0.19513	0.26338	RANDOM	44.744

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]
-3.32		-1.39	1.39		0.93

RMS Deviations
Key	Refinement Restraint Deviation
r_dihedral_angle_2_deg	39.029
r_dihedral_angle_3_deg	18.005
r_dihedral_angle_4_deg	16.99
r_dihedral_angle_1_deg	5.123
r_angle_refined_deg	1.087
r_scangle_it	1.049
r_scbond_it	0.633
r_mcangle_it	0.445
r_nbtor_refined	0.301
r_mcbond_it	0.249
r_nbd_refined	0.194
r_symmetry_hbond_refined	0.155
r_symmetry_vdw_refined	0.154
r_xyhbond_nbd_refined	0.13
r_chiral_restr	0.072
r_bond_refined_d	0.007
r_gen_planes_refined	0.003
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	6441
Nucleic Acid Atoms
Solvent Atoms	62
Heterogen Atoms

Software

Software
Software Name	Purpose
REFMAC	refinement
CBASS	data collection
DENZO	data reduction
SCALEPACK	data scaling
PHASER	phasing