3CYY

The crystal structure of ZO-1 PDZ2 in complex with the Cx43 peptide

X-RAY DIFFRACTION

---

Starting Model(s)

Initial Refinement Model(s)
Type	Source	Accession Code	Details
experimental model	PDB	2JIN	synaptojanin-2 binding protein (PDB id: 2JIN) and PICK1 (PDB id: 2GZV)
experimental model	PDB	2GZV	synaptojanin-2 binding protein (PDB id: 2JIN) and PICK1 (PDB id: 2GZV)

Crystallization

Crystalization Experiments
ID	Method	pH	Temperature	Details
1	VAPOR DIFFUSION, HANGING DROP	7.5	289	0.2M CaCl2, 0.1M HEPES, 14%(w/v) polyethylene glycol 400, pH 7.5, VAPOR DIFFUSION, HANGING DROP, temperature 289K

Crystal Properties
Matthews coefficient	Solvent content
2.32	47.04

Crystal Data

Unit Cell
Length ( Å )	Angle ( ˚ )
a = 41.04	α = 90
b = 68.14	β = 90
c = 149.69	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	IMAGE PLATE	RIGAKU RAXIS IV++		2007-09-04	M	SINGLE WAVELENGTH

Radiation Source
ID #	Source	Type	Wavelength List	Synchrotron Site	Beamline
1	ROTATING ANODE	RIGAKU MICROMAX-007

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	2.4	35.16		0.051				8265

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	synaptojanin-2 binding protein (PDB id: 2JIN) and PICK1 (PDB id: 2GZV)	2.4	30	7860	388	96.21	0.21715	0.21535	0.25366	RANDOM	46.945

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]
3.97			-0.82		-3.15

RMS Deviations
Key	Refinement Restraint Deviation
r_dihedral_angle_2_deg	35.983
r_dihedral_angle_3_deg	16.05
r_dihedral_angle_4_deg	15.835
r_dihedral_angle_1_deg	4.273
r_scangle_it	2.817
r_scbond_it	1.641
r_mcangle_it	1.316
r_angle_refined_deg	1.216
r_mcbond_it	1.013
r_nbtor_refined	0.3
r_symmetry_vdw_refined	0.22
r_nbd_refined	0.205
r_symmetry_hbond_refined	0.205
r_xyhbond_nbd_refined	0.145
r_chiral_restr	0.065
r_bond_refined_d	0.009
r_gen_planes_refined	0.003
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	1380
Nucleic Acid Atoms
Solvent Atoms	77
Heterogen Atoms

Software

Software
Software Name	Purpose
REFMAC	refinement
CrystalClear	data collection
MOSFLM	data reduction
SCALA	data scaling
PHASES	phasing