13PK

TERNARY COMPLEX OF PHOSPHOGLYCERATE KINASE FROM TRYPANOSOMA BRUCEI

X-RAY DIFFRACTION

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Crystallization

Crystalization Experiments
ID	Method	pH	Temperature	Details
1	VAPOR DIFFUSION	8		VAPOR DIFFUSION BY MIXING EQUAL VOLUMES OF: PROTEIN: 6MG/ML PGK/25MM TRIS PH 7.5/10MM DTT/10MM MGADP/ 10MM 3- PGA WELL SOLUTION: 2.5 M SODIUM POTASSIUM PHOSPHATE PH 8.0, vapor diffusion

Crystal Properties
Matthews coefficient	Solvent content
2.9	60.87

Crystal Data

Unit Cell
Length ( Å )	Angle ( ˚ )
a = 113.213	α = 90
b = 115.959	β = 90
c = 171.327	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	100	IMAGE PLATE	MARRESEARCH		1996-06-26	M

Radiation Source
ID #	Source	Type	Wavelength List	Synchrotron Site	Beamline
1	SYNCHROTRON	SSRL BEAMLINE BL7-1		SSRL	BL7-1

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	2.5	30	98.5	0.061				73223		2

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)
	2.5	2.53			0.328

Refinement

Statistics
Diffraction ID	Structure Solution Method	Cross Validation method	Starting model	Resolution (High)	Resolution (Low)	Cut-off Sigma (F)	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 1PHP	2.5	8	2	73223	2549	98.5	0.2206	0.2206	0.291	RANDOM	47

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]
16.65			-5.29		-11.36

RMS Deviations
Key	Refinement Restraint Deviation
x_dihedral_angle_d	24.3
x_scangle_it	2.5
x_mcangle_it	2
x_scbond_it	2
x_angle_deg	1.6
x_improper_angle_d	1.55
x_mcbond_it	1.5
x_bond_d	0.012
x_bond_d_na
x_bond_d_prot
x_angle_d
x_angle_d_na
x_angle_d_prot
x_angle_deg_na
x_angle_deg_prot
x_dihedral_angle_d_na
x_dihedral_angle_d_prot
x_improper_angle_d_na
x_improper_angle_d_prot

Non-Hydrogen Atoms Used in Refinement
Non-Hydrogen Atoms	Number
Protein Atoms	12484
Nucleic Acid Atoms
Solvent Atoms	599
Heterogen Atoms	168

Software

Software
Software Name	Purpose
X-PLOR	model building
X-PLOR	refinement
DENZO	data reduction
SCALEPACK	data scaling
X-PLOR	phasing