3D8F

Crystal structure of the human Fe65-PTB1 domain with bound phosphate (trigonal crystal form)

X-RAY DIFFRACTION

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Crystallization

Crystalization Experiments
ID	Method	pH	Temperature	Details
1	VAPOR DIFFUSION	7.5	291	100mM HEPES, 5% (v/v) ethylene glycol, 50mM Na2HPO4, 10% (w/v) PEG 3350, pH 7.5, VAPOR DIFFUSION, temperature 291K

Crystal Properties
Matthews coefficient	Solvent content
2.39	48.61

Crystal Data

Unit Cell
Length ( Å )	Angle ( ˚ )
a = 146.04	α = 90
b = 146.04	β = 90
c = 78.294	γ = 120

Symmetry
Space Group	H 3

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		2007-07-19	M	SINGLE WAVELENGTH

Radiation Source
ID #	Source	Type	Wavelength List	Synchrotron Site	Beamline
1	SYNCHROTRON	ESRF BEAMLINE ID14-2	1.00	ESRF	ID14-2

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	2.7	50	100	0.077	12.9	3.8		17113

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)
	2.7	2.77	100		0.341	3	3.8

Refinement

Statistics
Diffraction ID	Structure Solution Method	Cross Validation method	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		THROUGHOUT	2.7	49.21	17104	865	99.96	0.245	0.242	0.313	RANDOM	59.93

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]
-0.36	-0.18		-0.36		0.54

RMS Deviations
Key	Refinement Restraint Deviation
r_dihedral_angle_2_deg	41.146
r_dihedral_angle_4_deg	21.697
r_dihedral_angle_3_deg	19.528
r_dihedral_angle_1_deg	7.068
r_scangle_it	3.333
r_scbond_it	1.918
r_angle_refined_deg	1.635
r_mcangle_it	1.632
r_mcbond_it	0.942
r_symmetry_vdw_refined	0.358
r_nbtor_refined	0.316
r_nbd_refined	0.251
r_xyhbond_nbd_refined	0.188
r_symmetry_hbond_refined	0.133
r_chiral_restr	0.092
r_bond_refined_d	0.014
r_gen_planes_refined	0.005

Non-Hydrogen Atoms Used in Refinement
Non-Hydrogen Atoms	Number
Protein Atoms	3968
Nucleic Acid Atoms
Solvent Atoms	22
Heterogen Atoms	10

Software

Software
Software Name	Purpose
REFMAC	refinement
PDB_EXTRACT	data extraction
ADSC	data collection
MOSFLM	data reduction
SCALA	data scaling
PHASER	phasing