3C02

X-ray structure of the aquaglyceroporin from Plasmodium falciparum

X-RAY DIFFRACTION

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Crystallization

Crystalization Experiments
ID	Method	pH	Temperature	Details
1	VAPOR DIFFUSION, HANGING DROP	5.8	291	17% PEG MME 2000, 0.1M Sodium citrate, 15% Glycerol, 0.04M n-octyl-B-D-glucopyranoside, 0.01 Nickel sulfate, 0.01M DTT, pH 5.8, VAPOR DIFFUSION, HANGING DROP, temperature 291K

Crystal Properties
Matthews coefficient	Solvent content
3.64	66.23

Crystal Data

Unit Cell
Length ( Å )	Angle ( ˚ )
a = 92.43	α = 90
b = 92.43	β = 90
c = 193.168	γ = 90

Symmetry
Space Group	I 4 2 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	ADSC QUANTUM 315		2007-07-15	M	SINGLE WAVELENGTH

Radiation Source
ID #	Source	Type	Wavelength List	Synchrotron Site	Beamline
1	SYNCHROTRON	ALS BEAMLINE 8.3.1	1.11587	ALS	8.3.1

Data Collection

Overall
ID #	Resolution (High)	Resolution (Low)	Percent Possible (Observed)	R Merge I (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	2.05	46.2	95.5	0.084	0.06	28.8	15	25478	24719	1	1	47.9

Highest Resolution Shell
ID #	Resolution (High)	Resolution (Low)	Percent Possible (All)	Percent Possible (Observed)	R Merge I (Observed)	R-Sym I (Observed)	Mean I Over Sigma (Observed)	Redundancy	Number Unique Reflections (All)
1	2.05	2.12	69.9		0.478	0.435	2.25	8.1	1819

Refinement

Statistics
Diffraction ID	Structure Solution Method	Cross Validation method	Starting model	Resolution (High)	Resolution (Low)	Cut-off Sigma (I)	Cut-off Sigma (F)	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	PDB entry 1FX8	2.05	46.2	1	1	24719	24179	1299	95.65	0.184	0.18175	0.18088	0.19824	RANDOM	37.452

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]
1.51			1.51		-3.02

RMS Deviations
Key	Refinement Restraint Deviation
r_dihedral_angle_2_deg	35.083
r_dihedral_angle_4_deg	13.794
r_dihedral_angle_3_deg	13.646
r_dihedral_angle_1_deg	5.374
r_scangle_it	3.346
r_scbond_it	2.395
r_angle_refined_deg	1.628
r_mcangle_it	1.329
r_mcbond_it	0.854
r_nbtor_refined	0.318
r_nbd_refined	0.224
r_symmetry_hbond_refined	0.218
r_symmetry_vdw_refined	0.19
r_chiral_restr	0.126
r_xyhbond_nbd_refined	0.112
r_bond_refined_d	0.018
r_gen_planes_refined	0.007
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	1853
Nucleic Acid Atoms
Solvent Atoms	56
Heterogen Atoms	50

Software

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