Experiment: 2WL7

Crystal structure of the PSD93 PDZ1 domain

X-RAY DIFFRACTION

Starting Model(s)

Initial Refinement Model(s)
Type	Source	Accession Code	Details
experimental model	PDB	2I1N	PDB ENTRY 2I1N

Crystallization

Crystalization Experiments
ID	Method	pH	Temperature	Details
1		8.5		0.01 M NICL2, 0.1 M TRIS, PH 8.5, 1 M LI2SO4

Crystal Properties
Matthews coefficient	Solvent content
3.18	61.34

Crystal Data

Unit Cell
Length ( Å )	Angle ( ˚ )
a = 85.198	α = 90
b = 85.198	β = 90
c = 45.515	γ = 120

Symmetry
Space Group	H 3

Diffraction

Diffraction Experiment
ID #	Crystal ID	Scattering Type	Data Collection Temperature	Detector	Detector Type	Details	Collection Date	Monochromator	Protocol
1	1	x-ray	120	IMAGE PLATE	MARRESEARCH	MIRRORS	2008-11-28	M	SINGLE WAVELENGTH

Radiation Source
ID #	Source	Type	Wavelength List	Synchrotron Site	Beamline
1	ROTATING ANODE	RIGAKU RU200

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	2.01	28.67	97.9	0.07	27.2	11.2		7993			18.09

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	2.01	2.12	85.8		0.31	8.2	10.6

Refinement

Statistics
Diffraction ID	Structure Solution Method	Starting model	Resolution (High)	Resolution (Low)	Cut-off Sigma (F)	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)	Mean Isotropic B
X-RAY DIFFRACTION	MOLECULAR REPLACEMENT	PDB ENTRY 2I1N	2.028	21.747	2.28	7977	800	99.75	0.1687	0.1644	0.1637	0.2077	0.1661	19.36

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]
-2.1212			-2.1212		4.2423

RMS Deviations
Key	Refinement Restraint Deviation
f_dihedral_angle_d	13.946
f_angle_d	0.703
f_chiral_restr	0.049
f_bond_d	0.003
f_plane_restr	0.002

Non-Hydrogen Atoms Used in Refinement
Non-Hydrogen Atoms	Number
Protein Atoms	735
Nucleic Acid Atoms
Solvent Atoms	120
Heterogen Atoms	16

Software

Software
Software Name	Purpose
PHENIX	refinement
MOSFLM	data reduction
SCALA	data scaling
PHASER	phasing