4GEQ

Crystal structure of the Spc24-Spc25/Cnn1 binding interface

X-RAY DIFFRACTION

---

Crystallization

Crystalization Experiments
ID	Method	pH	Temperature	Details
1	VAPOR DIFFUSION, SITTING DROP	7.6	293.15	15% PEG6000, 5% glycerol; Drop volume: 0.2ul; Protein proportion: 50%; Protein concentration: 6 mg/ml, pH 7.6, VAPOR DIFFUSION, SITTING DROP, temperature 293.15K

Crystal Properties
Matthews coefficient	Solvent content
1.78	30.83

Crystal Data

Unit Cell
Length ( Å )	Angle ( ˚ )
a = 34.142	α = 90
b = 61.848	β = 90
c = 139.056	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	PIXEL	DECTRIS PILATUS 6M		2011-10-02	M	SINGLE WAVELENGTH

Radiation Source
ID #	Source	Type	Wavelength List	Synchrotron Site	Beamline
1	SYNCHROTRON	PETRA III, EMBL c/o DESY BEAMLINE P13 (MX1)	1.127	PETRA III, EMBL c/o DESY	P13 (MX1)

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	61.85	96.9	0.113	8.5	4.6	20020	19858		3	24.44

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	2.11	87.1		0.577	2.5	3.1

Refinement

Statistics
Diffraction ID	Structure Solution Method	Cross Validation method	Starting model	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	MOLECULAR REPLACEMENT	THROUGHOUT	PDB ENTRY 2FTX	2.01	37.09	19706	19706	1004	96.68	0.2092	0.2092	0.2067	0.258	RANDOM	37.25

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]
0.0799			-1.4656		1.3857

RMS Deviations
Key	Refinement Restraint Deviation
f_other_torsion	2.95
f_omega_torsion	2.68
f_angle_deg	0.97
f_bond_d	0.01
f_dihedral_angle_d
f_trig_c_planes
f_gen_planes
f_it
f_nbd
f_improper_torsion
f_pseud_angle
f_chiral_improper_torsion
f_sum_occupancies
f_utility_distance
f_utility_angle
f_utility_torsion
f_ideal_dist_contact

Non-Hydrogen Atoms Used in Refinement
Non-Hydrogen Atoms	Number
Protein Atoms	2582
Nucleic Acid Atoms
Solvent Atoms	150
Heterogen Atoms	12

Software

Software
Software Name	Purpose
MxCuBE	data collection
PHASER	phasing
PHENIX	refinement
BUSTER	refinement
XDS	data reduction
SCALA	data scaling