2QYF

Crystal structure of the Mad2/p31(comet)/Mad2-binding peptide ternary complex

X-RAY DIFFRACTION

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Crystallization

Crystalization Experiments
ID	Method	pH	Temperature	Details
1	VAPOR DIFFUSION, HANGING DROP	5	289	16% (w/v) PEG 3350, 16% (v/v) glycerol, 125 mM sodium phosphate (pH 5.0), 100 mM NaCl, 25 mM DTT, VAPOR DIFFUSION, HANGING DROP, temperature 289K

Crystal Properties
Matthews coefficient	Solvent content
2.41	48.99

Crystal Data

Unit Cell
Length ( Å )	Angle ( ˚ )
a = 68.667	α = 90
b = 104.519	β = 90
c = 138.825	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	CCD	ADSC QUANTUM 315		2005-03-21	M	SINGLE WAVELENGTH

Radiation Source
ID #	Source	Type	Wavelength List	Synchrotron Site	Beamline
1	SYNCHROTRON	APS BEAMLINE 19-ID	0.97912	APS	19-ID

Data Collection

Overall
ID #	Resolution (High)	Resolution (Low)	Percent Possible (Observed)	R Merge I (Observed)	R Sym 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	2.3	44.23	98.2	0.106	0.106	24.5	7.2	44434	44434			30

Highest Resolution Shell
ID #	Resolution (High)	Resolution (Low)	Percent Possible (All)	Percent Possible (Observed)	R Merge I (Observed)	R-Sym I (Observed)	Mean I Over Sigma (Observed)	Redundancy	Number Unique Reflections (All)
1	2.3	2.34	100		0.621	0.621	4	7.4	2216

Refinement

Statistics
Diffraction ID	Structure Solution Method	Cross Validation method	Resolution (High)	Resolution (Low)	Number Reflections (All)	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	SAD	THROUGHOUT	2.3	30	43964	42193	1771	97.41	0.18985	0.18985	0.18705	0.25673	RANDOM	30.962

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]
-1.16			0.37		0.79

RMS Deviations
Key	Refinement Restraint Deviation
r_dihedral_angle_2_deg	36.993
r_dihedral_angle_4_deg	20.179
r_dihedral_angle_3_deg	15.31
r_dihedral_angle_1_deg	6.782
r_mcangle_it	3.106
r_scangle_it	3.02
r_scbond_it	2.136
r_mcbond_it	2.098
r_angle_refined_deg	1.552
r_nbtor_refined	0.308
r_symmetry_hbond_refined	0.232
r_nbd_refined	0.213
r_symmetry_vdw_refined	0.193
r_xyhbond_nbd_refined	0.185
r_chiral_restr	0.103
r_bond_refined_d	0.017
r_gen_planes_refined	0.006
r_bond_other_d
r_angle_other_deg
r_gen_planes_other
r_nbd_other
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	6286
Nucleic Acid Atoms
Solvent Atoms	658
Heterogen Atoms

Software

Software
Software Name	Purpose
REFMAC	refinement
HKL-2000	data collection
HKL-2000	data reduction
HKL-2000	data scaling
MLPHARE	phasing