Experiment: 5MT3

X-RAY DIFFRACTION

Starting Model(s)

Initial Refinement Model(s)
Type	Source	Accession Code	Details
experimental model	PDB	1MSO

Crystallization

Crystalization Experiments
ID	Method	pH	Temperature	Details
1	VAPOR DIFFUSION, HANGING DROP	7.5	293	5 mM ZnAcetate, 35 mM NaCitrate, 1.1 M NaCl, 0.3M Tris pH 7.5, 40 mM serotonin, 100 mM arginine.

Crystal Properties
Matthews coefficient	Solvent content
2.3	46.1

Crystal Data

Unit Cell
Length ( Å )	Angle ( ˚ )
a = 158.64	α = 90
b = 158.64	β = 90
c = 76.1	γ = 120

Symmetry
Space Group	H 3

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		2014-12-16	M	SINGLE WAVELENGTH

Radiation Source
ID #	Source	Type	Wavelength List	Synchrotron Site	Beamline
1	SYNCHROTRON	DIAMOND BEAMLINE I04	0.9795	Diamond	I04

Data Collection

Overall
ID #	Resolution (High)	Resolution (Low)	Percent Possible (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	2	42.9	98.3	0.998	13.6	4.9		46018

Highest Resolution Shell
ID #	Resolution (High)	Resolution (Low)	Percent Possible (All)	Percent Possible (Observed)	CC (Half)	Mean I Over Sigma (Observed)	Redundancy	Number Unique Reflections (All)
1	2	2.07	97.7		0.758	2.6	4.6

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	1MSO	2.02	42.89	46012	2266	98.29	0.24	0.2362	0.3099	RANDOM	42.855

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]
-0.58	-0.29		-0.58		1.9

RMS Deviations
Key	Refinement Restraint Deviation
r_dihedral_angle_2_deg	31.876
r_dihedral_angle_3_deg	15.583
r_dihedral_angle_4_deg	11.262
r_dihedral_angle_1_deg	6.955
r_mcangle_it	5.177
r_angle_other_deg	3.935
r_mcbond_it	3.571
r_mcbond_other	3.569
r_angle_refined_deg	1.692
r_chiral_restr	0.103

RMS Deviations
Key	Refinement Restraint Deviation
r_dihedral_angle_2_deg	31.876
r_dihedral_angle_3_deg	15.583
r_dihedral_angle_4_deg	11.262
r_dihedral_angle_1_deg	6.955
r_mcangle_it	5.177
r_angle_other_deg	3.935
r_mcbond_it	3.571
r_mcbond_other	3.569
r_angle_refined_deg	1.692
r_chiral_restr	0.103
r_bond_refined_d	0.014
r_gen_planes_other	0.009
r_gen_planes_refined	0.007
r_bond_other_d

Non-Hydrogen Atoms Used in Refinement
Non-Hydrogen Atoms	Number
Protein Atoms	5665
Nucleic Acid Atoms
Solvent Atoms	292
Heterogen Atoms	218

Software

Software
Software Name	Purpose
REFMAC	refinement
PDB_EXTRACT	data extraction
XDS	data reduction
Aimless	data scaling
MOLREP	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 R01GM157729.