3D7J

SCO6650, a 6-pyruvoyltetrahydropterin synthase homolog from Streptomyces coelicolor

X-RAY DIFFRACTION

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Crystallization

Crystalization Experiments
ID	Method	pH	Temperature	Details
1	VAPOR DIFFUSION, HANGING DROP	8	295	2 M NaCl, 10% PEG6000, pH 8.0, VAPOR DIFFUSION, HANGING DROP, temperature 295K

Crystal Properties
Matthews coefficient	Solvent content
2.06	40.19

Crystal Data

Unit Cell
Length ( Å )	Angle ( ˚ )
a = 77.4	α = 90
b = 88	β = 90
c = 120.9	γ = 90

Symmetry
Space Group	P 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	ADSC QUANTUM 4		2005-04-05	M	MAD
2	1	x-ray	100	CCD	ADSC QUANTUM 4		2005-04-05	M	SINGLE WAVELENGTH

Radiation Source
ID #	Source	Type	Wavelength List	Synchrotron Site	Beamline
1	SYNCHROTRON	NSLS BEAMLINE X26C	0.9777, 0.9600, 0.9787	NSLS	X26C
2	SYNCHROTRON	NSLS BEAMLINE X26C	0.9771	NSLS	X26C

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	1.45	41.34	96	0.12	44	6.5	141171	140447			19.3

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	1.45	1.48	72		0.49	2.2	2	7012

Refinement

Statistics
Diffraction ID	Structure Solution Method	Cross Validation method	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	R-Free	R-Free Selection Details	Mean Isotropic B
X-RAY DIFFRACTION	MAD	THROUGHOUT	1.45	41.34	140447	133425	7022	95.5	0.207	0.207	0.206	0.224	RANDOM	20.396

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]
0.37			-0.21		-0.16

RMS Deviations
Key	Refinement Restraint Deviation
r_dihedral_angle_2_deg	33.594
r_dihedral_angle_3_deg	12.425
r_dihedral_angle_4_deg	12.333
r_dihedral_angle_1_deg	5.683
r_scangle_it	3.072
r_scbond_it	1.947
r_mcangle_it	1.249
r_angle_refined_deg	1.219
r_mcbond_it	0.706
r_nbtor_refined	0.302
r_nbd_refined	0.204
r_symmetry_vdw_refined	0.19
r_symmetry_metal_ion_refined	0.164
r_metal_ion_refined	0.145
r_symmetry_hbond_refined	0.108
r_xyhbond_nbd_refined	0.104
r_chiral_restr	0.088
r_bond_refined_d	0.01
r_gen_planes_refined	0.005
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_other
r_symmetry_vdw_other
r_symmetry_hbond_other
r_symmetry_metal_ion_other
r_mcbond_other
r_rigid_bond_restr
r_sphericity_free
r_sphericity_bonded

Non-Hydrogen Atoms Used in Refinement
Non-Hydrogen Atoms	Number
Protein Atoms	6206
Nucleic Acid Atoms
Solvent Atoms	677
Heterogen Atoms	5

Software

Software
Software Name	Purpose
REFMAC	refinement
HKL-2000	data reduction
SCALEPACK	data scaling
SOLVE	phasing