6RK7

Inter-dimeric interface controls function and stability of S-methionine adenosyltransferase from U. urealiticum

X-RAY DIFFRACTION

---

Starting Model(s)

Initial Refinement Model(s)
Type	Source	Accession Code	Details
experimental model	PDB	6RJS

Crystallization

Crystalization Experiments
ID	Method	pH	Temperature	Details
1	VAPOR DIFFUSION, SITTING DROP		293	0.1M Hepes pH 7.0 and 30% Jeffamine ED-2001

Crystal Properties
Matthews coefficient	Solvent content
2.79	55.86

Crystal Data

Unit Cell
Length ( Å )	Angle ( ˚ )
a = 113.999	α = 90
b = 106.139	β = 96.86
c = 234.377	γ = 90

Symmetry
Space Group	I 1 2 1

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 PILATUS 6M-F		2017-10-27	M	SINGLE WAVELENGTH

Radiation Source
ID #	Source	Type	Wavelength List	Synchrotron Site	Beamline
1	SYNCHROTRON	ESRF BEAMLINE ID29	0.976	ESRF	ID29

Data Collection

Overall
ID #	Resolution (High)	Resolution (Low)	Percent Possible (Observed)	R Merge I (Observed)	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	1.8	48.66	99.8	0.033	0.996	9.4	4.7		255563

Highest Resolution Shell
ID #	Resolution (High)	Resolution (Low)	Percent Possible (All)	Percent Possible (Observed)	R Merge I (Observed)	CC (Half)	Mean I Over Sigma (Observed)	Redundancy	Number Unique Reflections (All)
1	1.8	1.83			0.566	0.503

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	6RJS	1.8	48.66	242580	12863	99.78	0.17017	0.16886	0.19448	RANDOM	37.234

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]
-0.72		1.08	-1.05		1.46

RMS Deviations
Key	Refinement Restraint Deviation
r_dihedral_angle_2_deg	38.567
r_dihedral_angle_4_deg	19.448
r_dihedral_angle_3_deg	14.031
r_long_range_B_refined	6.66
r_long_range_B_other	6.629
r_dihedral_angle_1_deg	6.266
r_scangle_other	4.783
r_scbond_it	3.149
r_scbond_other	3.148
r_mcangle_it	3.087
r_mcangle_other	3.087
r_mcbond_it	2.218
r_mcbond_other	2.217
r_angle_refined_deg	2.154
r_angle_other_deg	1.122
r_chiral_restr	0.154
r_bond_refined_d	0.023
r_gen_planes_refined	0.011
r_bond_other_d	0.002
r_gen_planes_other	0.002
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	17633
Nucleic Acid Atoms
Solvent Atoms	1420
Heterogen Atoms	330

Software

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