2Q3G

Structure of the PDZ domain of human PDLIM7 bound to a C-terminal extension from human beta-tropomyosin

X-RAY DIFFRACTION

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Starting Model(s)

Initial Refinement Model(s)
Type	Source	Accession Code	Details
in silico model	Other		homology based model

Crystallization

Crystalization Experiments
ID	Method	pH	Temperature	Details
1	VAPOR DIFFUSION, SITTING DROP	7.5	298	0.1M HEPES; 10% isopropanol; 20% PEG 4K, pH 7.5, VAPOR DIFFUSION, SITTING DROP, temperature 298K

Crystal Properties
Matthews coefficient	Solvent content
1.96	37.38

Crystal Data

Unit Cell
Length ( Å )	Angle ( ˚ )
a = 46.052	α = 90
b = 55.404	β = 90
c = 57.316	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 225 mm CCD		2007-02-11	M	SINGLE WAVELENGTH

Radiation Source
ID #	Source	Type	Wavelength List	Synchrotron Site	Beamline
1	SYNCHROTRON	SLS BEAMLINE X10SA	0.9182	SLS	X10SA

Data Collection

Overall
ID #	Resolution (High)	Resolution (Low)	Percent Possible (Observed)	R Merge I (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	1.11	39.84	99.4	0.042	0.038		5.1	58681	58329

Highest Resolution Shell
ID #	Resolution (High)	Resolution (Low)	Percent Possible (All)	Percent Possible (Observed)	R Merge I (Observed)	R-Sym I (Observed)	Mean I Over Sigma (Observed)	Redundancy	Number Unique Reflections (All)
	1.11	1.15	100		0.144	0.121	11	4.6

Refinement

Statistics
Diffraction ID	Structure Solution Method	Cross Validation method	Starting model	Resolution (High)	Resolution (Low)	Number Reflections (All)	Number Reflections (Observed)	Number Reflections (R-Free)	Percent Reflections (Observed)	R-Factor (All)	R-Factor (Observed)	R-Work	R-Free	R-Free Selection Details	Mean Isotropic B
X-RAY DIFFRACTION	MOLECULAR REPLACEMENT	THROUGHOUT	homoly based model	1.11	39.84	58681	55322	2946	99.4	0.13272	0.13272	0.13143	0.15679	RANDOM	7.247

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]
-0.18			0.01		0.17

RMS Deviations
Key	Refinement Restraint Deviation
r_dihedral_angle_2_deg	32.656
r_dihedral_angle_1_deg	26.903
r_dihedral_angle_4_deg	22.579
r_dihedral_angle_3_deg	10.618
r_sphericity_free	7.214
r_scangle_it	3.471
r_sphericity_bonded	3.269
r_scbond_it	2.667
r_mcangle_it	2.248
r_angle_refined_deg	1.69
r_mcbond_it	1.622
r_angle_other_deg	1.465
r_rigid_bond_restr	1.211
r_mcbond_other	0.587
r_symmetry_vdw_other	0.279
r_nbd_refined	0.224
r_nbd_other	0.208
r_nbtor_refined	0.178
r_symmetry_hbond_refined	0.178
r_xyhbond_nbd_refined	0.173
r_symmetry_vdw_refined	0.133
r_chiral_restr	0.113
r_nbtor_other	0.091
r_bond_refined_d	0.014
r_gen_planes_refined	0.009
r_bond_other_d	0.002
r_gen_planes_other	0.002
r_xyhbond_nbd_other
r_metal_ion_refined
r_metal_ion_other
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	1405
Nucleic Acid Atoms
Solvent Atoms	271
Heterogen Atoms	13

Software

Software
Software Name	Purpose
REFMAC	refinement
HKL-2000	data collection
HKL-2000	data reduction
SCALEPACK	data scaling
PHASER	phasing