3FPJ

Crystal Structure of E81Q mutant of MtNAS in complex with S-ADENOSYLMETHIONINE

X-RAY DIFFRACTION

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Crystallization

Crystalization Experiments
ID	Method	pH	Temperature	Details
1	VAPOR DIFFUSION, HANGING DROP	8	294	22% PEG 3350, 400mM NaBr, pH 8, vapor diffusion, hanging drop, temperature 294K

Crystal Properties
Matthews coefficient	Solvent content
2.43	49.29

Crystal Data

Unit Cell
Length ( Å )	Angle ( ˚ )
a = 64.6	α = 90
b = 68.98	β = 90
c = 147.39	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	MARRESEARCH		2008-09-28	M	SINGLE WAVELENGTH

Radiation Source
ID #	Source	Type	Wavelength List	Synchrotron Site	Beamline
1	SYNCHROTRON	ESRF BEAMLINE ID14-2	0.93300	ESRF	ID14-2

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	1.8	29.801	99.8	0.077	0.077	5.95	4.7	61834	61711

Highest Resolution Shell
ID #	Resolution (High)	Resolution (Low)	Percent Possible (All)	Percent Possible (Observed)	R Merge I (Observed)	R-Sym I (Observed)	Mean I Over Sigma (Observed)	Redundancy	Number Unique Reflections (All)
1	1.8	1.9	100		0.376	0.376	1.9	4.8	8937

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	R-Free	R-Free Selection Details	Mean Isotropic B
X-RAY DIFFRACTION	MOLECULAR REPLACEMENT	THROUGHOUT	PDB ENTRY 3FPE	1.8	29.8	61502	3082	99.43	0.228	0.225	0.284	RANDOM	14.14

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]
0.38			0.6		-0.98

RMS Deviations
Key	Refinement Restraint Deviation
r_dihedral_angle_2_deg	37.453
r_dihedral_angle_4_deg	18.984
r_dihedral_angle_3_deg	17.597
r_dihedral_angle_1_deg	10.467
r_scangle_it	4.915
r_scbond_it	3.561
r_angle_refined_deg	2.506
r_mcangle_it	1.865
r_mcbond_it	1.375
r_nbtor_refined	0.312
r_nbd_refined	0.252
r_symmetry_hbond_refined	0.235
r_xyhbond_nbd_refined	0.229
r_symmetry_vdw_refined	0.22
r_chiral_restr	0.18
r_bond_refined_d	0.027
r_gen_planes_refined	0.012

Non-Hydrogen Atoms Used in Refinement
Non-Hydrogen Atoms	Number
Protein Atoms	4164
Nucleic Acid Atoms
Solvent Atoms	540
Heterogen Atoms	76

Software

Software
Software Name	Purpose
MOSFLM	data reduction
SCALA	data scaling
REFMAC	refinement
PDB_EXTRACT	data extraction