2QKU

The 5th PDZ Domain of InaD in 10mM DTT

X-RAY DIFFRACTION

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Crystallization

Crystalization Experiments
ID	Method	pH	Temperature	Details
1	VAPOR DIFFUSION, HANGING DROP	7.5	277	1.3M Na Citrate, pH 7.5, VAPOR DIFFUSION, HANGING DROP, temperature 277K

Crystal Properties
Matthews coefficient	Solvent content
3.16	61.14

Crystal Data

Unit Cell
Length ( Å )	Angle ( ˚ )
a = 67.7	α = 90
b = 67.7	β = 90
c = 162.5	γ = 90

Symmetry
Space Group	P 43 2 2

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	ADSC QUANTUM 315		2000-03-18	M	MAD
2	1	x-ray	100					M
3	1	x-ray	100					M
4	1	x-ray	100					M

Radiation Source
ID #	Source	Type	Wavelength List	Synchrotron Site	Beamline
1	SYNCHROTRON	SSRL BEAMLINE BL1-5	.97965	SSRL	BL1-5
2	SYNCHROTRON	SSRL BEAMLINE BL1-5	.980035	SSRL	BL1-5
3	SYNCHROTRON	SSRL BEAMLINE BL1-5	.925256	SSRL	BL1-5
4	SYNCHROTRON	SSRL BEAMLINE BL1-5	1.06883	SSRL	BL1-5

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
1,2,3,4	2.2	40	97.9	0.116	10.4			35921			14.5

Highest Resolution Shell
ID #	Resolution (High)	Resolution (Low)	Percent Possible (All)	Percent Possible (Observed)	R-Sym I (Observed)	Mean I Over Sigma (Observed)	Redundancy	Number Unique Reflections (All)
1,2,3,4	2.2	2.41	96		0.553	2.1

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	R-Free	R-Free Selection Details	Mean Isotropic B
X-RAY DIFFRACTION	MAD	THROUGHOUT	2.2	29.77	33753	1700	92.1	0.206	0.206	0.231	RANDOM	24

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]
1.5			1.5		-3

RMS Deviations
Key	Refinement Restraint Deviation
c_dihedral_angle_d	25.9
c_scangle_it	3.46
c_scbond_it	2.43
c_mcangle_it	2
c_angle_deg	1.3
c_mcbond_it	1.28
c_improper_angle_d	0.72
c_bond_d	0.006
c_bond_d_na
c_bond_d_prot
c_angle_d
c_angle_d_na
c_angle_d_prot
c_angle_deg_na
c_angle_deg_prot
c_dihedral_angle_d_na
c_dihedral_angle_d_prot
c_improper_angle_d_na
c_improper_angle_d_prot

Non-Hydrogen Atoms Used in Refinement
Non-Hydrogen Atoms	Number
Protein Atoms	1973
Nucleic Acid Atoms
Solvent Atoms	266
Heterogen Atoms	12

Software

Software
Software Name	Purpose
CNS	refinement
PDB_EXTRACT	data extraction
HKL-2000	data collection
HKL-2000	data reduction
SCALEPACK	data scaling
CNS	phasing