4NTM

QueD soaked with sepiapterin (selenomethionine substituted protein)

X-RAY DIFFRACTION

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Crystallization

Crystalization Experiments
ID	Method	pH	Temperature	Details
1	VAPOR DIFFUSION, HANGING DROP	4.6	295	4% PEG 4000, 0.1 M sodium acetate soaked 1 hour with 7mM sepiapterin 17% PEG8000, pH 4.6, VAPOR DIFFUSION, HANGING DROP, temperature 295K

Crystal Properties
Matthews coefficient	Solvent content
2.33	47.13

Crystal Data

Unit Cell
Length ( Å )	Angle ( ˚ )
a = 111.297	α = 90
b = 111.297	β = 90
c = 126.047	γ = 90

Symmetry
Space Group	P 41 21 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		2009-04-18	M	SINGLE WAVELENGTH

Radiation Source
ID #	Source	Type	Wavelength List	Synchrotron Site	Beamline
1	SYNCHROTRON	SSRL BEAMLINE BL9-2	1.000	SSRL	BL9-2

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	1.9	39	100	0.043	23.2	7.2	63356	63356

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	1.9	2	100		0.01135	2	7.2

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 (Observed)	R-Work	R-Free	R-Free Selection Details	Mean Isotropic B
X-RAY DIFFRACTION	MOLECULAR REPLACEMENT	THROUGHOUT	2.05	33.92	59464	47712	2544	99.51	0.22604	0.2245	0.25465	RANDOM	60.868

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]
0.85			0.85		-1.69

RMS Deviations
Key	Refinement Restraint Deviation
r_dihedral_angle_2_deg	36.236
r_dihedral_angle_4_deg	14.542
r_dihedral_angle_3_deg	14.205
r_long_range_B_refined	6.221
r_long_range_B_other	6.21
r_dihedral_angle_1_deg	5.742
r_scbond_other	2.253
r_scangle_other	1.904
r_scbond_it	1.71
r_mcangle_other	1.614
r_angle_refined_deg	1.135
r_mcangle_it	0.902
r_angle_other_deg	0.737
r_mcbond_it	0.515
r_mcbond_other	0.515
r_chiral_restr	0.072
r_bond_refined_d	0.006
r_gen_planes_refined	0.004
r_bond_other_d	0.001
r_gen_planes_other	0.001
r_nbd_refined
r_nbd_other
r_nbtor_refined
r_nbtor_other
r_xyhbond_nbd_refined
r_xyhbond_nbd_other
r_metal_ion_refined
r_metal_ion_other
r_symmetry_vdw_refined
r_symmetry_vdw_other
r_symmetry_hbond_refined
r_symmetry_hbond_other
r_symmetry_metal_ion_refined
r_symmetry_metal_ion_other
r_scangle_it
r_rigid_bond_restr
r_sphericity_free
r_sphericity_bonded

Non-Hydrogen Atoms Used in Refinement
Non-Hydrogen Atoms	Number
Protein Atoms	5644
Nucleic Acid Atoms
Solvent Atoms	113
Heterogen Atoms	96

Software

Software
Software Name	Purpose
Blu-Ice	data collection
REFMAC	refinement
XDS	data reduction
XDS	data scaling