2J4E

THE ITP COMPLEX OF HUMAN INOSINE TRIPHOSPHATASE

X-RAY DIFFRACTION

---

Crystallization

Crystalization Experiments
ID	Method	pH	Temperature	Details
1				0.2 M POTASSIUM CHLORIDE, 31 % (W/V) PEG 3350, AND THE PROTEIN WAS ADDED FROM A 50 MG/ML STOCK SOLUTION CONTAINING 10MM ITP AND 20 MM HEPES PH 7.5.

Crystal Properties
Matthews coefficient	Solvent content
3.01	58.81

Crystal Data

Unit Cell
Length ( Å )	Angle ( ˚ )
a = 67.998	α = 85.12
b = 75.292	β = 77.72
c = 110.793	γ = 69.19

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	MARRESEARCH			M	SINGLE WAVELENGTH

Radiation Source
ID #	Source	Type	Wavelength List	Synchrotron Site	Beamline
1	SYNCHROTRON	BESSY BEAMLINE 14.1		BESSY	14.1

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	2.8	20	97.6	0.11	7.9	2		45773

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	2.8	2.95	97.4		0.42	1.8	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	PDB ENTRY 2CAR	2.8	19.81	45773	2461	97.8	0.204	0.201	0.265	RANDOM	25.25

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	0.04	0.03	-0.04	0.01	0.01

RMS Deviations
Key	Refinement Restraint Deviation
r_dihedral_angle_2_deg	38.968
r_dihedral_angle_3_deg	17.042
r_dihedral_angle_4_deg	16.635
r_dihedral_angle_1_deg	6.27
r_scangle_it	1.191
r_angle_refined_deg	1.184
r_angle_other_deg	0.824
r_scbond_it	0.751
r_mcangle_it	0.514
r_mcbond_it	0.403
r_nbd_refined	0.201
r_symmetry_vdw_other	0.19
r_nbd_other	0.185
r_nbtor_refined	0.177
r_symmetry_hbond_refined	0.149
r_symmetry_vdw_refined	0.133
r_xyhbond_nbd_refined	0.123
r_nbtor_other	0.091
r_chiral_restr	0.07
r_bond_refined_d	0.007
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_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	11872
Nucleic Acid Atoms
Solvent Atoms	167
Heterogen Atoms	257

Software

Software
Software Name	Purpose
REFMAC	refinement
MOSFLM	data reduction
SCALA	data scaling
MOLREP	phasing