Experiment: 7TXW

Crystal structure of the complex of the malaria sexual stage protein and vaccine target Pfs25 with the Fab fragment of a transmission blocking antibody 1G2

X-RAY DIFFRACTION

Starting Model(s)

Initial Refinement Model(s)
Type	Source	Accession Code	Details
other		in house Fab models

Crystallization

Crystalization Experiments
ID	Method	pH	Temperature	Details
1	VAPOR DIFFUSION	7.5	293.15	20-25% PEG 6000, 0.1 M HEPES, pH 7.5 and cocktail of low molecular alcohols as additives

Crystal Properties
Matthews coefficient	Solvent content
1.94	36.46

Crystal Data

Unit Cell
Length ( Å )	Angle ( ˚ )
a = 122.32	α = 90
b = 50.17	β = 123.096
c = 100.03	γ = 90

Symmetry
Space Group	C 1 2 1

Diffraction

Diffraction Experiment
ID #	Crystal ID	Scattering Type	Data Collection Temperature	Detector	Detector Type	Details	Collection Date	Monochromator	Protocol
1	1	x-ray	95	CCD	MAR CCD 130 mm		2016-07-05	M	SINGLE WAVELENGTH

Radiation Source
ID #	Source	Type	Wavelength List	Synchrotron Site	Beamline
1	SYNCHROTRON	APS BEAMLINE 22-BM	1.00000	APS	22-BM

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	2.17	60.97	98.3	0.068	18.62	4.92		26678			23.32

Highest Resolution Shell
ID #	Resolution (High)	Resolution (Low)	Percent Possible (All)	Percent Possible (Observed)	R Merge I (Observed)	CC (Half)	Mean I Over Sigma (Observed)	Redundancy	Number Unique Reflections (All)
1	2.17	2.23	83.6		0.318	0.882	4.22	3.46

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 (Depositor)	R-Work (DCC)	R-Free (Depositor)	R-Free (DCC)	Mean Isotropic B
X-RAY DIFFRACTION	MOLECULAR REPLACEMENT	FREE R-VALUE	in house Fab models	2.17	60.97	1.53	25926	1811	95.81	0.1804	0.1767	0.1776	0.2297	0.2312	25.69

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]

RMS Deviations
Key	Refinement Restraint Deviation
f_dihedral_angle_d	16.7009
f_angle_d	1.197
f_chiral_restr	0.0678
f_bond_d	0.0092
f_plane_restr	0.008

Non-Hydrogen Atoms Used in Refinement
Non-Hydrogen Atoms	Number
Protein Atoms	3895
Nucleic Acid Atoms
Solvent Atoms	256
Heterogen Atoms	77

Software

Software
Software Name	Purpose
PHENIX	refinement
XDS	data reduction
XDS	data scaling
MOLREP	phasing