1XQ7

Cyclophilin from Trypanosoma cruzi bound to cyclosporin A

X-RAY DIFFRACTION

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Starting Model(s)

Initial Refinement Model(s)
Type	Source	Accession Code	Details
experimental model	PDB	1XO7	1XO7, CYCLOPHILIN

Crystallization

Crystalization Experiments
ID	Method	pH	Temperature	Details
1		8		50MM POTASSIUM PHOSPHATE, 40% PEG 8000, 2MM CYCLOSPORIN A, VAPOR DIFFUSION, SITTING DROP, TEMPERATURE 25K, TEMPERATURE 298K

Crystal Properties
Matthews coefficient	Solvent content
2.48	50.31

Crystal Data

Unit Cell
Length ( Å )	Angle ( ˚ )
a = 52.269	α = 110.49
b = 57.059	β = 108.21
c = 58.807	γ = 105.4

Symmetry
Space Group	P 1

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 4		2004-09-22	M	SINGLE WAVELENGTH

Radiation Source
ID #	Source	Type	Wavelength List	Synchrotron Site	Beamline
1	SYNCHROTRON	ALS BEAMLINE 5.0.1		ALS	5.0.1

Data Collection

Overall
ID #	Resolution (High)	Resolution (Low)	Percent Possible (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	2.07	50	94.4				29952		1.8

Highest Resolution Shell
ID #	Resolution (High)	Resolution (Low)	Percent Possible (All)	Percent Possible (Observed)	Mean I Over Sigma (Observed)	Redundancy	Number Unique Reflections (All)
1	2.07	2.12	94.2

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	1XO7, CYCLOPHILIN	2.07	49.39	29952	1590	94.4	0.172	0.169	0.235	RANDOM	25.08

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]
-1.27	0.72	-0.62	1.16	-0.11	0.03

RMS Deviations
Key	Refinement Restraint Deviation
r_dihedral_angle_1_deg	7.56
r_scangle_it	5.451
r_scbond_it	3.36
r_angle_refined_deg	2.056
r_mcangle_it	1.933
r_mcbond_it	1.093
r_symmetry_vdw_refined	0.257
r_nbd_refined	0.248
r_xyhbond_nbd_refined	0.176
r_chiral_restr	0.154
r_symmetry_hbond_refined	0.121
r_bond_refined_d	0.023
r_gen_planes_refined	0.009
r_bond_other_d
r_angle_other_deg
r_dihedral_angle_2_deg
r_dihedral_angle_3_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_rigid_bond_restr
r_sphericity_free
r_sphericity_bonded

Non-Hydrogen Atoms Used in Refinement
Non-Hydrogen Atoms	Number
Protein Atoms	4068
Nucleic Acid Atoms
Solvent Atoms	288
Heterogen Atoms

Software

Software
Software Name	Purpose
EPMR	phasing
REFMAC	refinement
ELVES	data reduction
ELVES	data scaling