2HW4

Crystal structure of human phosphohistidine phosphatase

X-RAY DIFFRACTION

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Starting Model(s)

Initial Refinement Model(s)
Type	Source	Accession Code	Details
experimental model	Other		Se-Met MAD structure determined from other crystals

Crystallization

Crystalization Experiments
ID	Method	pH	Temperature	Details
1	VAPOR DIFFUSION, HANGING DROP	6.5	298	1.9 M Sodium Formate, 0.1 M Bis-tris propane, pH 6.5, VAPOR DIFFUSION, HANGING DROP, temperature 298K

Crystal Properties
Matthews coefficient	Solvent content
2.21	44.41

Crystal Data

Unit Cell
Length ( Å )	Angle ( ˚ )
a = 112.53	α = 90
b = 112.53	β = 90
c = 29.37	γ = 120

Symmetry
Space Group	H 3

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		2006-06-26	M	SINGLE WAVELENGTH

Radiation Source
ID #	Source	Type	Wavelength List	Synchrotron Site	Beamline
1	SYNCHROTRON	ESRF BEAMLINE ID29	1.033130	ESRF	ID29

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	1.9	30	97.5	0.056	20.62	5.6	10665	10665		-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)
	1.9	2	88.8		0.226	6.47	4.8

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	Se-Met MAD structure determined from other crystals	1.9	21.27	10151	10151	510	97.52	0.179	0.17325	0.1707	0.22469	RANDOM	24.399

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]
0.05	0.02		0.05		-0.07

RMS Deviations
Key	Refinement Restraint Deviation
r_dihedral_angle_2_deg	34.756
r_dihedral_angle_4_deg	23.97
r_dihedral_angle_3_deg	14.267
r_dihedral_angle_1_deg	7.258
r_scangle_it	4.285
r_scbond_it	3.21
r_mcangle_it	2.153
r_mcbond_it	1.801
r_angle_refined_deg	1.774
r_angle_other_deg	1.092
r_mcbond_other	0.354
r_symmetry_vdw_other	0.265
r_symmetry_hbond_refined	0.258
r_nbd_refined	0.207
r_xyhbond_nbd_refined	0.206
r_nbd_other	0.2
r_nbtor_refined	0.186
r_symmetry_vdw_refined	0.144
r_chiral_restr	0.122
r_nbtor_other	0.088
r_bond_refined_d	0.02
r_gen_planes_refined	0.008
r_bond_other_d	0.003
r_gen_planes_other	0.002
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

Non-Hydrogen Atoms Used in Refinement
Non-Hydrogen Atoms	Number
Protein Atoms	985
Nucleic Acid Atoms
Solvent Atoms	110
Heterogen Atoms

Software

Software
Software Name	Purpose
REFMAC	refinement
XDS	data reduction
XSCALE	data scaling
SHARP	phasing