7R2W

Mutant S-adenosylmethionine synthetase from E.coli complexed with AMPPNP and methionine

X-RAY DIFFRACTION

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Crystallization

Crystalization Experiments
ID	Method	pH	Temperature	Details
1	VAPOR DIFFUSION, SITTING DROP		293	0.2M L-Proline 0.1M Hepes pH 7.56 14% PEG 3350

Crystal Properties
Matthews coefficient	Solvent content
1.99	38.25

Crystal Data

Unit Cell
Length ( Å )	Angle ( ˚ )
a = 86.611	α = 90
b = 86.611	β = 90
c = 90.982	γ = 90

Symmetry
Space Group	P 42 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	PIXEL	DECTRIS EIGER2 X 16M		2021-04-26	M	SINGLE WAVELENGTH

Radiation Source
ID #	Source	Type	Wavelength List	Synchrotron Site	Beamline
1	SYNCHROTRON	DIAMOND BEAMLINE I03	0.97626	Diamond	I03

Data Collection

Overall
ID #	Resolution (High)	Resolution (Low)	Percent Possible (Observed)	Rrim I (All)	CC (Half)	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	1.6	62.73	99.96	0.083	1	26.2	45.8		46194			31.66

Highest Resolution Shell
ID #	Resolution (High)	Resolution (Low)	Percent Possible (All)	Percent Possible (Observed)	Rrim I (All)	CC (Half)	Mean I Over Sigma (Observed)	Redundancy	Number Unique Reflections (All)
1	1.6	1.658			4.035	0.4	0.4

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	R-Free	R-Free Selection Details	Mean Isotropic B
X-RAY DIFFRACTION	MOLECULAR REPLACEMENT	THROUGHOUT	1P7L	1.6	62.73	43830	2366	99.97	0.18391	0.18193	0.2196	RANDOM	36.14

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]
0.17			0.17		-0.34

RMS Deviations
Key	Refinement Restraint Deviation
r_dihedral_angle_2_deg	35.321
r_dihedral_angle_3_deg	15.198
r_dihedral_angle_4_deg	13.155
r_dihedral_angle_1_deg	7.179
r_long_range_B_other	6.243
r_long_range_B_refined	6.236
r_scangle_other	4.652
r_scbond_it	3.084
r_scbond_other	3.084
r_mcangle_it	2.96
r_mcangle_other	2.96
r_mcbond_it	2.134
r_mcbond_other	2.131
r_angle_refined_deg	2.013
r_angle_other_deg	1.512
r_chiral_restr	0.102
r_bond_refined_d	0.014
r_gen_planes_refined	0.012
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	2895
Nucleic Acid Atoms
Solvent Atoms	185
Heterogen Atoms	34

Software

Software
Software Name	Purpose
REFMAC	refinement
DIALS	data reduction
Aimless	data scaling
PHASER	phasing