2QP2

Structure of a MACPF/perforin-like protein

X-RAY DIFFRACTION

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Crystallization

Crystalization Experiments
ID	Method	pH	Temperature	Details
1	VAPOR DIFFUSION, HANGING DROP	6	298	20% PEG8000, 0.1M MES pH6.0, 0.2M Calcium Acetate, VAPOR DIFFUSION, HANGING DROP, temperature 298K

Crystal Properties
Matthews coefficient	Solvent content
2.89	57.46

Crystal Data

Unit Cell
Length ( Å )	Angle ( ˚ )
a = 97.439	α = 90
b = 154.507	β = 90
c = 43.917	γ = 90

Symmetry
Space Group	P 21 21 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	IMAGE PLATE	RIGAKU RAXIS IV		2007-02-04	M	SINGLE WAVELENGTH
2	1		CCD	ADSC QUANTUM 4		2007-04-10

Radiation Source
ID #	Source	Type	Wavelength List	Synchrotron Site	Beamline
1	ROTATING ANODE	ELLIOTT GX-18	1.5418
2	SYNCHROTRON	APS BEAMLINE 17-ID	1.000	APS	17-ID

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	100	96.9	0.047	15.8	3.9		44074

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	2.07	79.1		0.426	2.1	2.4	3518

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	MIRAS	THROUGHOUT	2	41.21	44064	44064	2245	96.67	0.182	0.18	0.204	RANDOM	26.066

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]
-0.16			0.57		-0.41

RMS Deviations
Key	Refinement Restraint Deviation
r_dihedral_angle_2_deg	34.393
r_dihedral_angle_4_deg	16.241
r_dihedral_angle_3_deg	12.923
r_dihedral_angle_1_deg	4.961
r_scangle_it	3.703
r_scbond_it	2.444
r_mcangle_it	1.23
r_angle_refined_deg	0.961
r_mcbond_it	0.582
r_nbtor_refined	0.296
r_nbd_refined	0.172
r_symmetry_vdw_refined	0.156
r_xyhbond_nbd_refined	0.101
r_metal_ion_refined	0.099
r_symmetry_hbond_refined	0.082
r_symmetry_metal_ion_refined	0.075
r_chiral_restr	0.072
r_bond_refined_d	0.007
r_gen_planes_refined	0.003

Non-Hydrogen Atoms Used in Refinement
Non-Hydrogen Atoms	Number
Protein Atoms	3815
Nucleic Acid Atoms
Solvent Atoms	356
Heterogen Atoms	2

Software

Software
Software Name	Purpose
DENZO	data reduction
SCALEPACK	data scaling
SHARP	phasing
SOLOMON	phasing
REFMAC	refinement
PDB_EXTRACT	data extraction
HKL-2000	data collection