2EPH

Crystal structure of fructose-bisphosphate aldolase from Plasmodium falciparum in complex with TRAP-tail determined at 2.7 angstrom resolution

X-RAY DIFFRACTION

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Crystallization

Crystalization Experiments
ID	Method	pH	Temperature	Details
1	VAPOR DIFFUSION, SITTING DROP	6	298	2.5 mM TRAP-tail, 0.5% n-dodecyl-beta-D-maltoside, 50 mM cacodylic acid pH 6.0, 20% PEG 2000, VAPOR DIFFUSION, SITTING DROP, temperature 298K

Crystal Properties
Matthews coefficient	Solvent content
2.36	47.89

Crystal Data

Unit Cell
Length ( Å )	Angle ( ˚ )
a = 70.019	α = 90
b = 146.162	β = 90
c = 148.961	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	CCD	ADSC QUANTUM 210		2005-12-16	M	SINGLE WAVELENGTH

Radiation Source
ID #	Source	Type	Wavelength List	Synchrotron Site	Beamline
1	SYNCHROTRON	ALS BEAMLINE 8.2.2	0.97960	ALS	8.2.2

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	2.68	19.97	98.1	0.07	12.4	3.3	40459	40459			65.2

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)
1	2.68	2.822	90.49		0.55	2.8	2.3

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 1A5C	2.7	19.97	39693	39693	2117	98	0.19445	0.19154	0.2504	RANDOM	59.195

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]
8.36			-2.21		-6.15

RMS Deviations
Key	Refinement Restraint Deviation
r_dihedral_angle_2_deg	40.771
r_dihedral_angle_3_deg	16.503
r_dihedral_angle_4_deg	14.075
r_dihedral_angle_1_deg	5.375
r_scangle_it	3.33
r_scbond_it	2.205
r_mcangle_it	1.654
r_mcbond_it	1.219
r_angle_refined_deg	1.048
r_angle_other_deg	0.877
r_symmetry_vdw_other	0.196
r_nbd_refined	0.195
r_nbd_other	0.175
r_nbtor_refined	0.172
r_mcbond_other	0.169
r_symmetry_vdw_refined	0.164
r_xyhbond_nbd_refined	0.157
r_symmetry_hbond_refined	0.135
r_xyhbond_nbd_other	0.098
r_nbtor_other	0.083
r_chiral_restr	0.075
r_bond_refined_d	0.008
r_gen_planes_refined	0.003
r_bond_other_d	0.001
r_gen_planes_other	0.001
r_metal_ion_refined
r_metal_ion_other
r_symmetry_hbond_other
r_symmetry_metal_ion_refined
r_symmetry_metal_ion_other
r_rigid_bond_restr
r_sphericity_free
r_sphericity_bonded

Non-Hydrogen Atoms Used in Refinement
Non-Hydrogen Atoms	Number
Protein Atoms	10887
Nucleic Acid Atoms
Solvent Atoms	336
Heterogen Atoms

Software

Software
Software Name	Purpose
REFMAC	refinement
ADSC	data collection
MOSFLM	data reduction
CCP4	data scaling
MOLREP	phasing