3IQV

Crystal Structure of human 14-3-3 sigma in Complex with Raf1 peptide (6mer) and stabilisator Fusicoccin

X-RAY DIFFRACTION

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Starting Model(s)

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

Crystallization

Crystalization Experiments
ID	Method	pH	Temperature	Details
1	VAPOR DIFFUSION, HANGING DROP	7.5	277	20mM Hepes/NaOH pH 7.5, 2mM MgCl2 and 2 mM DTT, set up for crystallization in 0.1 M Hepes/NaOH ph 7.5, 0.2 M CaCl2, 28% PEG 400, 5% glycerol, 2mM DTT, VAPOR DIFFUSION, HANGING DROP, temperature 277K

Crystal Properties
Matthews coefficient	Solvent content
2.63	53.22

Crystal Data

Unit Cell
Length ( Å )	Angle ( ˚ )
a = 82.37	α = 90
b = 111.75	β = 90
c = 62.49	γ = 90

Symmetry
Space Group	C 2 2 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	MARMOSAIC 225 mm CCD		2009-02-16	M	SINGLE WAVELENGTH

Radiation Source
ID #	Source	Type	Wavelength List	Synchrotron Site	Beamline
1	SYNCHROTRON	SLS BEAMLINE X10SA		SLS	X10SA

Data Collection

Overall
ID #	Resolution (High)	Resolution (Low)	Percent Possible (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	1.2	50	99.9	0.065	19.1	8.3	90050	89939	-3	-3	15.46

Highest Resolution Shell
ID #	Resolution (High)	Resolution (Low)	Percent Possible (All)	Percent Possible (Observed)	R-Sym I (Observed)	Mean I Over Sigma (Observed)	Redundancy	Number Unique Reflections (All)
1	1.2	1.25	99.9		0.551	4.4	7.9	10234

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 (Observed)	R-Work	R-Free	R-Free Selection Details	Mean Isotropic B
X-RAY DIFFRACTION	MOLECULAR REPLACEMENT	THROUGHOUT	1YWT	1.2	41.65	85442	4497	100	0.12481	0.12332	0.15322	RANDOM	10.554

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]
0.23			0.16		-0.39

RMS Deviations
Key	Refinement Restraint Deviation
r_dihedral_angle_2_deg	34.254
r_dihedral_angle_4_deg	19.432
r_sphericity_free	15.257
r_dihedral_angle_1_deg	12.175
r_dihedral_angle_3_deg	11.604
r_scangle_it	6.626
r_sphericity_bonded	6.039
r_scbond_it	4.809
r_mcangle_it	3.42
r_rigid_bond_restr	2.454
r_mcbond_it	2.413
r_angle_refined_deg	2.184
r_angle_other_deg	1.634
r_mcbond_other	1.183
r_chiral_restr	0.137
r_bond_refined_d	0.026
r_gen_planes_refined	0.011
r_bond_other_d	0.001
r_gen_planes_other	0.001
r_nbd_refined
r_nbd_other
r_nbtor_refined
r_nbtor_other
r_xyhbond_nbd_refined
r_xyhbond_nbd_other
r_metal_ion_refined
r_metal_ion_other
r_symmetry_vdw_refined
r_symmetry_vdw_other
r_symmetry_hbond_refined
r_symmetry_hbond_other
r_symmetry_metal_ion_refined
r_symmetry_metal_ion_other

Non-Hydrogen Atoms Used in Refinement
Non-Hydrogen Atoms	Number
Protein Atoms	1887
Nucleic Acid Atoms
Solvent Atoms	435
Heterogen Atoms	48

Software

Software
Software Name	Purpose
PHASER	phasing
REFMAC	refinement
XDS	data reduction
XSCALE	data scaling