2QBW | pdb_00002qbw

The crystal structure of PDZ-Fibronectin fusion protein

X-RAY DIFFRACTION

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Crystallization

Crystalization Experiments
ID	Method	pH	Temperature	Details
1	VAPOR DIFFUSION, HANGING DROP	9	293	1M (NH4)2HPO4, 0.1M Tris-HCl, pH 9, VAPOR DIFFUSION, HANGING DROP, temperature 293K

Crystal Properties
Matthews coefficient	Solvent content
2.98	58.66

Crystal Data

Unit Cell
Length ( Å )	Angle ( ˚ )
a = 54.818	α = 90
b = 79.35	β = 90
c = 119.842	γ = 90

Symmetry
Space Group	I 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		2007-06-07	M	SINGLE WAVELENGTH

Radiation Source
ID #	Source	Type	Wavelength List	Synchrotron Site	Beamline
1	SYNCHROTRON	APS BEAMLINE 23-ID-D	0.9793	APS	23-ID-D

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	1.8	50	94.3	0.112	18.76	4.3		23897

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)
	1.8	1.86	97		0.423	5.78	4.1

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	1.8	20	22043	1163	94.2	0.16971	0.16787	0.18	0.2047	0.21	RANDOM	18.336

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]
-1.07			2.43		-1.35

RMS Deviations
Key	Refinement Restraint Deviation
r_dihedral_angle_2_deg	38.378
r_dihedral_angle_4_deg	20.188
r_dihedral_angle_3_deg	12.186
r_dihedral_angle_1_deg	7.418
r_scangle_it	4.376
r_scbond_it	3.495
r_mcbond_it	2.158
r_mcangle_it	1.962
r_angle_refined_deg	1.46
r_angle_other_deg	0.803
r_mcbond_other	0.251
r_symmetry_vdw_other	0.231
r_nbd_other	0.206
r_nbd_refined	0.192
r_nbtor_refined	0.183
r_symmetry_hbond_refined	0.165
r_xyhbond_nbd_refined	0.142
r_symmetry_vdw_refined	0.119
r_chiral_restr	0.092
r_nbtor_other	0.087
r_bond_refined_d	0.014
r_gen_planes_refined	0.006
r_bond_other_d	0.005
r_gen_planes_other	0.001
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
r_rigid_bond_restr
r_sphericity_free
r_sphericity_bonded

Non-Hydrogen Atoms Used in Refinement
Non-Hydrogen Atoms	Number
Protein Atoms	1527
Nucleic Acid Atoms
Solvent Atoms	214
Heterogen Atoms

Software

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