1DX9

W57A Apoflavodoxin from Anabaena

X-RAY DIFFRACTION

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Crystallization

Crystalization Experiments
ID	Method	pH	Temperature	Details
1		6		3.2 M AMMONIUM SULPHATE, 100 MM NA.K-PHOSPHATE, PH 6.0. PROTEIN CONCENTRATION 16 MG/ML

Crystal Properties
Matthews coefficient	Solvent content
1.96	37

Crystal Data

Unit Cell
Length ( Å )	Angle ( ˚ )
a = 74.14	α = 90
b = 55.52	β = 107.04
c = 75.18	γ = 90

Symmetry
Space Group	P 1 21 1

Diffraction

Diffraction Experiment
ID #	Crystal ID	Scattering Type	Data Collection Temperature	Detector	Detector Type	Details	Collection Date	Monochromator	Protocol
1	1	x-ray	295	IMAGE PLATE	MARRESEARCH		1999-07-15	M	SINGLE WAVELENGTH

Radiation Source
ID #	Source	Type	Wavelength List	Synchrotron Site	Beamline
1	ROTATING ANODE	ENRAF-NONIUS FR591

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	2.05	20	98.2	0.047	0.0584	17.1	3.7		36277		2	17.138

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	2.05	2.12	97		0.074	13.3	3.4

Refinement

Statistics
Diffraction ID	Structure Solution Method	Cross Validation method	Starting model	Resolution (High)	Resolution (Low)	Cut-off Sigma (F)	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	PDB ENTRY 1FTG	2.05	8	2	35595	1431	98	0.169	0.169	0.225	RANDOM	17.864

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]

RMS Deviations
Key	Refinement Restraint Deviation
x_dihedral_angle_d	26.034
x_scangle_it	4.6
x_scbond_it	3.5
x_mcangle_it	2.9
x_mcbond_it	2.6
x_improper_angle_d	1.315
x_angle_deg	0.853
x_bond_d	0.005
x_bond_d_na
x_bond_d_prot
x_angle_d
x_angle_d_na
x_angle_d_prot
x_angle_deg_na
x_angle_deg_prot
x_dihedral_angle_d_na
x_dihedral_angle_d_prot
x_improper_angle_d_na
x_improper_angle_d_prot

Non-Hydrogen Atoms Used in Refinement
Non-Hydrogen Atoms	Number
Protein Atoms	5268
Nucleic Acid Atoms
Solvent Atoms	281
Heterogen Atoms	20

Software

Software
Software Name	Purpose
X-PLOR	refinement
DENZO	data reduction
SCALEPACK	data scaling
X-PLOR	phasing