2C7S

Crystal structure of human protein tyrosine phosphatase kappa at 1.95A resolution

X-RAY DIFFRACTION

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Starting Model(s)

Initial Refinement Model(s)
Type	Source	Accession Code	Details
experimental model	PDB	1RPM	PDB ENTRY 1RPM

Crystallization

Crystalization Experiments
ID	Method	pH	Temperature	Details
1	VAPOR DIFFUSION, SITTING DROP			SITTING DROP, 0.2M NANO3, 20% PEG3350, 10% ETHYLENE GLYCOL

Crystal Properties
Matthews coefficient	Solvent content
3.2	60

Crystal Data

Unit Cell
Length ( Å )	Angle ( ˚ )
a = 91.373	α = 90
b = 91.373	β = 90
c = 108.415	γ = 90

Symmetry
Space Group	P 43 21 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	MARRESEARCH	MIRRORS	2005-11-19	M	SINGLE WAVELENGTH

Radiation Source
ID #	Source	Type	Wavelength List	Synchrotron Site	Beamline
1	SYNCHROTRON	SLS BEAMLINE X10SA		SLS	X10SA

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	1.95	52	96.3	0.08	11.14	6.1		32866		3

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)
1	1.95	2.05	87.7		0.29	4.1	5.1

Refinement

Statistics
Diffraction ID	Structure Solution Method	Cross Validation method	Starting model	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	MOLECULAR REPLACEMENT	THROUGHOUT	PDB ENTRY 1RPM	1.95	69.84	31191	1635	96.3	0.201	0.2	0.218	RANDOM	31.75

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]
0.59			0.59		-1.19

RMS Deviations
Key	Refinement Restraint Deviation
r_dihedral_angle_2_deg	33.479
r_dihedral_angle_4_deg	16.465
r_dihedral_angle_3_deg	13.931
r_dihedral_angle_1_deg	6.255
r_scangle_it	2.042
r_scbond_it	1.397
r_angle_refined_deg	1.202
r_mcangle_it	0.997
r_angle_other_deg	0.864
r_mcbond_it	0.624
r_symmetry_vdw_other	0.29
r_nbd_other	0.192
r_nbd_refined	0.189
r_nbtor_refined	0.179
r_symmetry_vdw_refined	0.17
r_symmetry_hbond_refined	0.15
r_xyhbond_nbd_refined	0.142
r_nbtor_other	0.082
r_chiral_restr	0.069
r_bond_refined_d	0.011
r_gen_planes_refined	0.004
r_bond_other_d	0.002
r_gen_planes_other	0.001
r_xyhbond_nbd_other
r_metal_ion_refined
r_metal_ion_other
r_symmetry_hbond_other
r_symmetry_metal_ion_refined
r_symmetry_metal_ion_other
r_mcbond_other
r_mcangle_other
r_scbond_other
r_scangle_other
r_long_range_B_refined
r_long_range_B_other
r_rigid_bond_restr
r_sphericity_free
r_sphericity_bonded

Non-Hydrogen Atoms Used in Refinement
Non-Hydrogen Atoms	Number
Protein Atoms	2299
Nucleic Acid Atoms
Solvent Atoms	138
Heterogen Atoms	4

Software

Software
Software Name	Purpose
REFMAC	refinement
HKL-2000	data reduction
SCALEPACK	data scaling
PHASER	phasing