5EHT

Indirect contributions of mutations underlie optimization of new enzyme function

X-RAY DIFFRACTION

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Crystallization

Crystalization Experiments
ID	Method	pH	Temperature	Details
1	VAPOR DIFFUSION, HANGING DROP	8.5	291	25% (w/v) PEG 4 K, 20% (v/v) glycerol, 80 mM Tris-HCl, pH 8.5, 160 mM MgCl2

Crystal Properties
Matthews coefficient	Solvent content
2.14	42.42

Crystal Data

Unit Cell
Length ( Å )	Angle ( ˚ )
a = 54.638	α = 90
b = 55.735	β = 90
c = 79.878	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 315r		2015-02-10	M	SINGLE WAVELENGTH

Radiation Source
ID #	Source	Type	Wavelength List	Synchrotron Site	Beamline
1	SYNCHROTRON	AUSTRALIAN SYNCHROTRON BEAMLINE MX2	1.0332	Australian Synchrotron	MX2

Data Collection

Overall
ID #	Resolution (High)	Resolution (Low)	Percent Possible (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	1.29	32.49	99.47	20.78	13.4		61760

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 5EH9	1.29	32.49	58628	3132	99.47	0.12796	0.12581	0.16805	RANDOM	22.115

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]
-0.74			1.24		-0.5

RMS Deviations
Key	Refinement Restraint Deviation
r_sphericity_free	72.304
r_dihedral_angle_2_deg	30.809
r_dihedral_angle_4_deg	23.563
r_sphericity_bonded	20.871
r_dihedral_angle_3_deg	12.204
r_long_range_B_refined	8.875
r_long_range_B_other	8.875
r_dihedral_angle_1_deg	7.308
r_rigid_bond_restr	6.451
r_scangle_other	6.062
r_scbond_other	5.492
r_scbond_it	5.485
r_mcangle_it	3.791
r_mcangle_other	3.791
r_mcbond_it	3.22
r_mcbond_other	3.215
r_angle_refined_deg	2.203
r_angle_other_deg	1.292
r_chiral_restr	0.143
r_bond_refined_d	0.026
r_gen_planes_refined	0.014
r_gen_planes_other	0.014
r_bond_other_d	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

Non-Hydrogen Atoms Used in Refinement
Non-Hydrogen Atoms	Number
Protein Atoms	2002
Nucleic Acid Atoms
Solvent Atoms	247
Heterogen Atoms	38

Software

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