9QNJ | pdb_00009qnj

Tau pS198 phosphopeptide binding to 14-3-3sigma

X-RAY DIFFRACTION

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Starting Model(s)

Initial Refinement Model(s)
Type	Source	Accession Code	Details
experimental model	PDB	3IQU

Crystallization

Crystalization Experiments
ID	Method	pH	Temperature	Details
1	VAPOR DIFFUSION, SITTING DROP		277	0.095 M HEPES pH=7.1-7.7 0.19 M CaCl2 5% glycerol 24-29% PEG400

Crystal Properties
Matthews coefficient	Solvent content
2.66	53.73

Crystal Data

Unit Cell
Length ( Å )	Angle ( ˚ )
a = 82.61	α = 90
b = 112.429	β = 90
c = 62.955	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	PIXEL	DECTRIS EIGER2 X 9M		2024-06-14	M	SINGLE WAVELENGTH

Radiation Source
ID #	Source	Type	Wavelength List	Synchrotron Site	Beamline
1	SYNCHROTRON	ESRF BEAMLINE ID23-2	0.873128	ESRF	ID23-2

Data Collection

Overall
ID #	Resolution (High)	Resolution (Low)	Percent Possible (Observed)	CC (Half)	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	1.3	66.57	100	1	24.1	13		72207

Highest Resolution Shell
ID #	Resolution (High)	Resolution (Low)	Percent Possible (All)	Percent Possible (Observed)	CC (Half)	Mean I Over Sigma (Observed)	Redundancy	Number Unique Reflections (All)
1	1.3	1.32			1	2.7

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 (Depositor)	R-Work (DCC)	R-Free (Depositor)	R-Free (DCC)	R-Free Selection Details	Mean Isotropic B
X-RAY DIFFRACTION	MOLECULAR REPLACEMENT	THROUGHOUT	1.3	66.57	68498	3682	99.98	0.14756	0.14651	0.1467	0.16637	0.1671	RANDOM	21.002

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]
2.32			-1.16		-1.15

RMS Deviations
Key	Refinement Restraint Deviation
r_long_range_B_refined	15.977
r_dihedral_angle_3_deg	14.037
r_long_range_B_other	13.876
r_dihedral_angle_1_deg	10.426
r_scangle_other	7.973
r_mcangle_other	5.977
r_mcangle_it	5.974
r_scbond_it	5.281
r_scbond_other	5.274
r_mcbond_it	3.784
r_mcbond_other	3.769
r_rigid_bond_restr	3.432
r_angle_refined_deg	1.514
r_angle_other_deg	0.601
r_chiral_restr	0.076
r_bond_refined_d	0.016
r_gen_planes_refined	0.008
r_bond_other_d	0.001
r_gen_planes_other	0.001

Non-Hydrogen Atoms Used in Refinement
Non-Hydrogen Atoms	Number
Protein Atoms	1921
Nucleic Acid Atoms
Solvent Atoms	262
Heterogen Atoms	8

Software

Software
Software Name	Purpose
PDB-REDO	refinement
autoPROC	data reduction
Aimless	data scaling
MOLREP	phasing