2C5B

X-ray crystal structure of 5'-fluorodeoxyadenosine synthase from Streptomyces cattleya complexed with 2'deoxy-5'deoxy-fluoroadenosine.

X-RAY DIFFRACTION

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Starting Model(s)

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

Crystallization

Crystalization Experiments
ID	Method	pH	Temperature	Details
1		4		32%PEG 1K, 100MM PHOSPHATECITRATE PH4.2, 200MM LI2SO4, pH 4.00

Crystal Properties
Matthews coefficient	Solvent content
2.37	49

Crystal Data

Unit Cell
Length ( Å )	Angle ( ˚ )
a = 76.153	α = 90
b = 129.669	β = 90
c = 183.165	γ = 90

Symmetry
Space Group	C 2 2 21

Diffraction

Diffraction Experiment
ID #	Crystal ID	Scattering Type	Data Collection Temperature	Detector	Detector Type	Details	Collection Date	Monochromator	Protocol
1	1	x-ray	130	IMAGE PLATE	RAXIS	OSMIC MIRRORS	2005-05-17	M	SINGLE WAVELENGTH

Radiation Source
ID #	Source	Type	Wavelength List	Synchrotron Site	Beamline
1	ROTATING ANODE	RIGAKU MICROMAX-007

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	2.5	37.69	87	0.14	7.3	2.9		27454		3

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	2.5	2.64	88		0.32	3.4	3.4

Refinement

Statistics
Diffraction ID	Structure Solution Method	Cross Validation method	Starting model	Resolution (High)	Resolution (Low)	Number Reflections (Observed)	Number Reflections (R-Free)	Percent Reflections (Observed)	R-Factor (Observed)	R-Work (Depositor)	R-Free (Depositor)	R-Free Selection Details	Mean Isotropic B
X-RAY DIFFRACTION	MOLECULAR REPLACEMENT	THROUGHOUT	PDB ENTRY 1RQP	2.5	37	26074	1344	86.3	0.193	0.189	0.267	RANDOM	10.51

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]
0.99			-1.05		0.06

RMS Deviations
Key	Refinement Restraint Deviation
r_dihedral_angle_2_deg	34.878
r_dihedral_angle_4_deg	18.329
r_dihedral_angle_3_deg	17.246
r_dihedral_angle_1_deg	7.216
r_scangle_it	1.886
r_angle_refined_deg	1.408
r_scbond_it	1.191
r_mcangle_it	0.774
r_mcbond_it	0.442
r_nbtor_refined	0.317
r_symmetry_vdw_refined	0.245
r_nbd_refined	0.216
r_xyhbond_nbd_refined	0.17
r_chiral_restr	0.089
r_symmetry_hbond_refined	0.042
r_bond_refined_d	0.011
r_gen_planes_refined	0.004
r_bond_other_d
r_angle_other_deg
r_gen_planes_other
r_nbd_other
r_nbtor_other
r_xyhbond_nbd_other
r_metal_ion_refined
r_metal_ion_other
r_symmetry_vdw_other
r_symmetry_hbond_other
r_symmetry_metal_ion_refined
r_symmetry_metal_ion_other
r_mcbond_other
r_mcangle_other
r_scbond_other
r_scangle_other
r_long_range_B_refined
r_long_range_B_other
r_rigid_bond_restr
r_sphericity_free
r_sphericity_bonded

Non-Hydrogen Atoms Used in Refinement
Non-Hydrogen Atoms	Number
Protein Atoms	6660
Nucleic Acid Atoms
Solvent Atoms	196
Heterogen Atoms	81

Software

Software
Software Name	Purpose
REFMAC	refinement
MOSFLM	data reduction
SCALA	data scaling
MOLREP	phasing