1OB1

Crystal structure of a Fab complex whith Plasmodium falciparum MSP1-19

X-RAY DIFFRACTION

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Starting Model(s)

Initial Refinement Model(s)
Type	Source	Accession Code	Details
experimental model	PDB	2IGF	PDB ENTRIES 2IGF, 1A3R, 1B9W
experimental model	PDB	1A3R	PDB ENTRIES 2IGF, 1A3R, 1B9W
experimental model	PDB	1B9W	PDB ENTRIES 2IGF, 1A3R, 1B9W

Crystallization

Crystalization Experiments
ID	Method	pH	Temperature	Details
1		6.5		0.075M SODIUM ACETATE 0.038M SODIUM CACODYLATE, 11.3% PEG8000, 3% DIOXANE, pH 6.50

Crystal Properties
Matthews coefficient	Solvent content
2.8	56

Crystal Data

Unit Cell
Length ( Å )	Angle ( ˚ )
a = 51.75	α = 90
b = 213.46	β = 100.95
c = 59.89	γ = 90

Symmetry
Space Group	P 1 21 1

Diffraction

Diffraction Experiment
ID #	Crystal ID	Scattering Type	Data Collection Temperature	Detector	Detector Type	Details	Collection Date	Monochromator	Protocol
1	1	x-ray	110	CCD	MARRESEARCH		2001-04-15	M	SINGLE WAVELENGTH

Radiation Source
ID #	Source	Type	Wavelength List	Synchrotron Site	Beamline
1	SYNCHROTRON	ESRF BEAMLINE ID14-1		ESRF	ID14-1

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	2.9	30	96.8	0.071	16.5	3.39		27530

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	2.9	3	87.6		0.578	2.6

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 ENTRIES 2IGF, 1A3R, 1B9W	2.9	105.41	25850	1368	96.6	0.258	0.257	0.288	RANDOM	11.51

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]
1.63		1.44	3.19		-4.27

RMS Deviations
Key	Refinement Restraint Deviation
r_dihedral_angle_3_deg	19.478
r_dihedral_angle_1_deg	3.529
r_angle_other_deg	1.267
r_scangle_it	1.083
r_scbond_it	0.673
r_symmetry_vdw_refined	0.363
r_mcangle_it	0.355
r_symmetry_hbond_refined	0.311
r_nbd_refined	0.292
r_xyhbond_nbd_refined	0.188
r_mcbond_it	0.187
r_chiral_restr	0.088
r_bond_refined_d	0.008
r_gen_planes_refined	0.005
r_bond_other_d
r_angle_refined_deg
r_dihedral_angle_2_deg
r_dihedral_angle_4_deg
r_gen_planes_other
r_nbd_other
r_nbtor_refined
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_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	8132
Nucleic Acid Atoms
Solvent Atoms
Heterogen Atoms	10

Software

Software
Software Name	Purpose
REFMAC	refinement
DENZO	data reduction
SCALEPACK	data scaling
AMoRE	phasing