Experiment: 1I92

STRUCTURAL BASIS OF THE NHERF PDZ1-CFTR INTERACTION

X-RAY DIFFRACTION

Starting Model(s)

Initial Refinement Model(s)
Type	Source	Accession Code	Details
experimental model	PDB	1G9O	PDB ENTRY 1G9O

Crystallization

Crystalization Experiments
ID	Method	pH	Temperature	Details
1	VAPOR DIFFUSION, SITTING DROP	4.6	291	Sodium Acetate, Sodium Chloride, pH 4.6, VAPOR DIFFUSION, SITTING DROP, temperature 291K

Crystal Properties
Matthews coefficient	Solvent content
2.58	52.3

Crystal Data

Unit Cell
Length ( Å )	Angle ( ˚ )
a = 51.658	α = 90
b = 51.658	β = 90
c = 66.966	γ = 120

Symmetry
Space Group	P 31 2 1

Diffraction

Diffraction Experiment
ID #	Crystal ID	Scattering Type	Data Collection Temperature	Detector	Detector Type	Details	Collection Date	Monochromator	Protocol
1	1	x-ray	293	IMAGE PLATE	RIGAKU RAXIS IV	Mirrors	2000-11-20	M	SINGLE WAVELENGTH

Radiation Source
ID #	Source	Type	Wavelength List	Synchrotron Site	Beamline
1	ROTATING ANODE	RIGAKU RU300	1.5418

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	1.7	26.81	92.6	0.053	27.6	9.9	11173	10950		-3	26.6

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)
	1.7	1.76	39.7		0.3	4	2.9	885

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 (Depositor)	R-Work (DCC)	R-Free (Depositor)	R-Free Selection Details	Mean Isotropic B
X-RAY DIFFRACTION	MOLECULAR REPLACEMENT	THROUGHOUT	PDB ENTRY 1G9O	1.7	26.81	11173	9885	1065	92.63	0.21	0.1909	0.187	0.2011	0.217	RANDOM	23.9

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]
0.75	0.38		0.75		-1.13

RMS Deviations
Key	Refinement Restraint Deviation
p_scangle_it	5.321
p_scbond_it	3.399
p_mcangle_it	2.634
p_mcbond_it	1.47
p_chiral_restr	0.1
p_bond_d	0.018
p_plane_restr	0.008

Non-Hydrogen Atoms Used in Refinement
Non-Hydrogen Atoms	Number
Protein Atoms	700
Nucleic Acid Atoms
Solvent Atoms	57
Heterogen Atoms	2

Software

Software
Software Name	Purpose
MOLREP	phasing
REFMAC	refinement
DENZO	data reduction
SCALEPACK	data scaling