1T6F

Crystal Structure of the Coiled-coil Dimerization Motif of Geminin

X-RAY DIFFRACTION

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Starting Model(s)

Initial Refinement Model(s)
Type	Source	Accession Code	Details
experimental model	PDB	1E7T	PDB ENTRY 1E7T

Crystallization

Crystalization Experiments
ID	Method	pH	Temperature	Details
1	VAPOR DIFFUSION, HANGING DROP	7.5	291	10% PEG 6000, 5% MPD, 100 mM Hepes, pH 7.5, VAPOR DIFFUSION, HANGING DROP, temperature 291K

Crystal Properties
Matthews coefficient	Solvent content
2.09	41.15

Crystal Data

Unit Cell
Length ( Å )	Angle ( ˚ )
a = 25.12	α = 90
b = 43.44	β = 90
c = 67.5	γ = 90

Symmetry
Space Group	P 21 21 21

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	MARRESEARCH	osmic mirrors	2003-06-17	M	SINGLE WAVELENGTH

Radiation Source
ID #	Source	Type	Wavelength List	Synchrotron Site	Beamline
1	ROTATING ANODE	RIGAKU	1.54180

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	1.44	36.52	92.8			13979	12978

Highest Resolution Shell
ID #	Resolution (High)	Resolution (Low)	Percent Possible (All)	Percent Possible (Observed)	Mean I Over Sigma (Observed)	Redundancy	Number Unique Reflections (All)
	1.44	1.52	88.9

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 (All)	R-Factor (Observed)	R-Work	R-Free	R-Free Selection Details	Mean Isotropic B
X-RAY DIFFRACTION	MOLECULAR REPLACEMENT	THROUGHOUT	PDB ENTRY 1E7T	1.47	25	11674	601	93.38	0.1807	0.1806	0.17867	0.22103	RANDOM	13.095

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]
-1.13			0.77		0.35

RMS Deviations
Key	Refinement Restraint Deviation
r_scangle_it	4.007
r_sphericity_free	3.311
r_dihedral_angle_1_deg	2.73
r_scbond_it	2.384
r_sphericity_bonded	1.793
r_mcangle_it	1.503
r_rigid_bond_restr	1.191
r_angle_refined_deg	1.151
r_mcbond_it	0.941
r_angle_other_deg	0.725
r_symmetry_vdw_other	0.299
r_nbd_other	0.227
r_nbd_refined	0.221
r_xyhbond_nbd_refined	0.119
r_symmetry_vdw_refined	0.114
r_symmetry_hbond_refined	0.108
r_nbtor_other	0.083
r_chiral_restr	0.06
r_gen_planes_other	0.011
r_bond_refined_d	0.009
r_gen_planes_refined	0.007
r_bond_other_d	0.002

Non-Hydrogen Atoms Used in Refinement
Non-Hydrogen Atoms	Number
Protein Atoms	626
Nucleic Acid Atoms
Solvent Atoms	125
Heterogen Atoms

Software

Software
Software Name	Purpose
REFMAC	refinement
MOSFLM	data reduction
CCP4	data scaling
EPMR	phasing