2QAC

The closed MTIP-MyosinA-tail complex from the malaria parasite invasion machinery

X-RAY DIFFRACTION

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Crystallization

Crystalization Experiments
ID	Method	pH	Temperature	Details
1	VAPOR DIFFUSION, SITTING DROP	7.5	298	20% PEG 3350, 0.2 M KNO3, pH 7.5, VAPOR DIFFUSION, SITTING DROP, temperature 298K

Crystal Properties
Matthews coefficient	Solvent content
2.07	40.65

Crystal Data

Unit Cell
Length ( Å )	Angle ( ˚ )
a = 37.217	α = 90
b = 54.12	β = 90
c = 76.326	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 315		2006-03-20	M	SINGLE WAVELENGTH
2	1	x-ray	100	CCD	ADSC QUANTUM 315		2006-04-22	M	MAD
1,2	1

Radiation Source
ID #	Source	Type	Wavelength List	Synchrotron Site	Beamline
1	SYNCHROTRON	ALS BEAMLINE 8.2.2	0.98000	ALS	8.2.2
2	SYNCHROTRON	SSRL BEAMLINE BL9-2	0.97890, 0.97930, 0.90500	SSRL	BL9-2

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	1.7	20	100	0.055	15.2	5.1	14110	14110			26.26

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	1.7	1.791	100		0.643	1.8	3.8	1073

Refinement

Statistics
Diffraction ID	Structure Solution Method	Cross Validation method	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	MAD	THROUGHOUT	1.7	19.58	14110	14109	739	100	0.16984	0.16694	0.22828	RANDOM	16.492

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]
0.01			0.03		-0.04

RMS Deviations
Key	Refinement Restraint Deviation
r_dihedral_angle_2_deg	31.746
r_dihedral_angle_4_deg	27.643
r_dihedral_angle_3_deg	12.59
r_dihedral_angle_1_deg	4.89
r_scangle_it	3.284
r_scbond_it	2.277
r_mcangle_it	1.805
r_mcbond_it	1.552
r_angle_refined_deg	0.942
r_angle_other_deg	0.836
r_mcbond_other	0.302
r_symmetry_vdw_other	0.197
r_nbd_refined	0.192
r_nbtor_refined	0.177
r_nbd_other	0.175
r_symmetry_vdw_refined	0.174
r_symmetry_hbond_refined	0.157
r_xyhbond_nbd_refined	0.128
r_nbtor_other	0.081
r_chiral_restr	0.058
r_bond_refined_d	0.006
r_gen_planes_refined	0.003
r_bond_other_d	0.001
r_gen_planes_other	0.001
r_xyhbond_nbd_other
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	1281
Nucleic Acid Atoms
Solvent Atoms	228
Heterogen Atoms

Software

Software
Software Name	Purpose
REFMAC	refinement
ADSC	data collection
MOSFLM	data reduction
SCALA	data scaling
SHELXS	phasing