4YYX

Crystal structure of the ZO-1 PDZ1 domain in complex with the 7-mer Claudin2 C-terminal tail

X-RAY DIFFRACTION

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Starting Model(s)

Initial Refinement Model(s)
Type	Source	Accession Code	Details
experimental model	PDB	2H3M

Crystallization

Crystalization Experiments
ID	Method	pH	Temperature	Details
1	VAPOR DIFFUSION, HANGING DROP	4.6	293	2.0 M NAF, 0.1 M NAAC PH 4.6

Crystal Properties
Matthews coefficient	Solvent content
2.49	50.64

Crystal Data

Unit Cell
Length ( Å )	Angle ( ˚ )
a = 41.351	α = 90
b = 72.17	β = 90
c = 76.958	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	CCD	MARMOSAIC 300 mm CCD		2013-04-21	M	SINGLE WAVELENGTH

Radiation Source
ID #	Source	Type	Wavelength List	Synchrotron Site	Beamline
1	SYNCHROTRON	APS BEAMLINE 21-ID-G	0.97856	APS	21-ID-G

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	1.79	30	99.2	0.07	16.78	7.4		22067

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	1.79	1.9	95.1		0.42	2.34	4.1

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	2H3M	1.79	26.322	20866	1125	98.79	0.20086	0.19817	0.25356	RANDOM	23.881

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]
-0.45			0.41		0.04

RMS Deviations
Key	Refinement Restraint Deviation
r_dihedral_angle_2_deg	33.187
r_dihedral_angle_4_deg	23.653
r_dihedral_angle_3_deg	14.526
r_dihedral_angle_1_deg	6.528
r_long_range_B_refined	5.882
r_long_range_B_other	5.65
r_scangle_other	2.48
r_scbond_it	1.562
r_scbond_other	1.562
r_angle_refined_deg	1.561
r_mcangle_it	1.397
r_mcangle_other	1.396
r_mcbond_it	0.864
r_mcbond_other	0.864
r_angle_other_deg	0.821
r_chiral_restr	0.095
r_bond_refined_d	0.013
r_gen_planes_refined	0.009
r_gen_planes_other	0.005
r_bond_other_d	0.002
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
r_scangle_it
r_rigid_bond_restr
r_sphericity_free
r_sphericity_bonded

Non-Hydrogen Atoms Used in Refinement
Non-Hydrogen Atoms	Number
Protein Atoms	1577
Nucleic Acid Atoms
Solvent Atoms	187
Heterogen Atoms	6

Software

Software
Software Name	Purpose
REFMAC	refinement
Coot	model building
XDS	data scaling
XDS	data reduction
MOLREP	phasing