3D8E

Crystal structure of the human Fe65-PTB1 domain (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, 10% (w/v) PEG 3350, pH 7.5, VAPOR DIFFUSION, temperature 291K

Crystal Properties
Matthews coefficient	Solvent content
2.41	49

Crystal Data

Unit Cell
Length ( Å )	Angle ( ˚ )
a = 145.89	α = 90
b = 145.89	β = 90
c = 79.051	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	1.0723	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	2.8	72.9	99.8	0.089	14.2	3.6		15431

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)
	2.8	2.95	99.9		0.347	3.2	3.7

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	2.8	25	15409	1535	100	0.246	0.24	0.304	RANDOM	59.775

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]
-3.08	-1.54		-3.08		4.63

RMS Deviations
Key	Refinement Restraint Deviation
r_dihedral_angle_2_deg	38.65
r_dihedral_angle_4_deg	22.587
r_dihedral_angle_3_deg	20.782
r_dihedral_angle_1_deg	6.65
r_scangle_it	4.799
r_scbond_it	2.634
r_mcangle_it	2.108
r_angle_refined_deg	1.776
r_mcbond_it	1.185
r_symmetry_hbond_refined	0.457
r_nbtor_refined	0.318
r_symmetry_vdw_refined	0.308
r_nbd_refined	0.254
r_xyhbond_nbd_refined	0.149
r_chiral_restr	0.119
r_bond_refined_d	0.016
r_gen_planes_refined	0.005

Non-Hydrogen Atoms Used in Refinement
Non-Hydrogen Atoms	Number
Protein Atoms	3835
Nucleic Acid Atoms
Solvent Atoms
Heterogen Atoms

Software

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