6SBD

Structure of type II terpene cyclase MstE_D109A from Scytonema in complex with merosterolic acid A (product)

X-RAY DIFFRACTION

Crystallization

Crystalization Experiments
ID	Method	pH	Temperature	Details
1	VAPOR DIFFUSION, SITTING DROP	7	293	100 mM HEPES, 1 M LiCl, 30% PEG 6000

Crystal Properties
Matthews coefficient	Solvent content
2.07	40.56

Crystal Data

Unit Cell
Length ( Å )	Angle ( ˚ )
a = 47.99	α = 90
b = 76.77	β = 90
c = 91.34	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	PIXEL	DECTRIS EIGER X 16M		2018-12-01	M	SINGLE WAVELENGTH

Radiation Source
ID #	Source	Type	Wavelength List	Synchrotron Site	Beamline
1	SYNCHROTRON	SLS BEAMLINE X06SA	1.0	SLS	X06SA

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	1.4	50	99.4	0.053	16	5.1		66812

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	1.4	1.5	99.3		0.501	3.5

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	6SBB	1.4	15	63405	3337	99.31	0.1108	0.1088	0.1485	RANDOM	16.437

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]
0.71			0.62		-1.33

RMS Deviations
Key	Refinement Restraint Deviation
r_dihedral_angle_2_deg	33.221
r_dihedral_angle_4_deg	15.7
r_dihedral_angle_3_deg	12.131
r_dihedral_angle_1_deg	5.803
r_rigid_bond_restr	4.147
r_angle_refined_deg	1.872
r_angle_other_deg	1.721
r_chiral_restr	0.124
r_bond_refined_d	0.015
r_gen_planes_refined	0.013

RMS Deviations
Key	Refinement Restraint Deviation
r_dihedral_angle_2_deg	33.221
r_dihedral_angle_4_deg	15.7
r_dihedral_angle_3_deg	12.131
r_dihedral_angle_1_deg	5.803
r_rigid_bond_restr	4.147
r_angle_refined_deg	1.872
r_angle_other_deg	1.721
r_chiral_restr	0.124
r_bond_refined_d	0.015
r_gen_planes_refined	0.013
r_bond_other_d	0.003
r_gen_planes_other	0.001

Non-Hydrogen Atoms Used in Refinement
Non-Hydrogen Atoms	Number
Protein Atoms	2709
Nucleic Acid Atoms
Solvent Atoms	338
Heterogen Atoms	63

Software

Software
Software Name	Purpose
REFMAC	refinement
PDB_EXTRACT	data extraction
XDS	data reduction
XSCALE	data scaling
PHASER	phasing

RCSB PDB Core Operations are funded by the U.S. National Science Foundation (DBI-2321666), the US Department of Energy (DE-SC0019749), and the National Cancer Institute, National Institute of Allergy and Infectious Diseases, and National Institute of General Medical Sciences of the National Institutes of Health under grant R01GM133198.