Experiment: 4MAX

X-RAY DIFFRACTION

Starting Model(s)

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

Crystallization

Crystalization Experiments
ID	Method	pH	Temperature	Details
1	VAPOR DIFFUSION, HANGING DROP	8.5	277	7% glycerol, 2 M ammonium sulfate, 0.1 M Tris, pH 8.5, VAPOR DIFFUSION, HANGING DROP, temperature 277K

Crystal Properties
Matthews coefficient	Solvent content
2.24	45.07

Crystal Data

Unit Cell
Length ( Å )	Angle ( ˚ )
a = 68.791	α = 90
b = 68.791	β = 90
c = 156.059	γ = 90

Symmetry
Space Group	P 41 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 PILATUS 6M	Meridionally-bent fused silica mirror with palladium and uncoated stripes vertically-focusing at 6.6:1 demagnification	2012-09-20	M	SINGLE WAVELENGTH

Radiation Source
ID #	Source	Type	Wavelength List	Synchrotron Site	Beamline
1	SYNCHROTRON	NSLS BEAMLINE X25	1.10	NSLS	X25

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	1.444	50	98.9	0.087	11	13.2	67233	67233

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	1.444	1.48	95.5		0.382	4.544	5.9	3198

Refinement

Statistics
Diffraction ID	Structure Solution Method	Cross Validation method	Starting model	Resolution (High)	Resolution (Low)	Number Reflections (All)	Number Reflections (Observed)	Number Reflections (R-Free)	Percent Reflections (Observed)	R-Factor (All)	R-Factor (Observed)	R-Work	R-Free	R-Free Selection Details	Mean Isotropic B
X-RAY DIFFRACTION	MOLECULAR REPLACEMENT	THROUGHOUT	PDB ENTRY 1RTX	1.444	41.49	67144	67144	3410	98.73	0.1742	0.1742	0.1732	0.1937	RANDOM	17.0445

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]
-0.03			-0.03		0.06

RMS Deviations
Key	Refinement Restraint Deviation
r_dihedral_angle_2_deg	35.518
r_dihedral_angle_4_deg	15.928
r_dihedral_angle_3_deg	13.77
r_dihedral_angle_1_deg	5.121
r_angle_refined_deg	1.717
r_mcangle_it	1.415
r_mcbond_it	1.01
r_mcbond_other	1.003
r_angle_other_deg	0.661
r_chiral_restr	0.072

RMS Deviations
Key	Refinement Restraint Deviation
r_dihedral_angle_2_deg	35.518
r_dihedral_angle_4_deg	15.928
r_dihedral_angle_3_deg	13.77
r_dihedral_angle_1_deg	5.121
r_angle_refined_deg	1.717
r_mcangle_it	1.415
r_mcbond_it	1.01
r_mcbond_other	1.003
r_angle_other_deg	0.661
r_chiral_restr	0.072
r_gen_planes_refined	0.018
r_bond_refined_d	0.016
r_gen_planes_other	0.007
r_bond_other_d

Non-Hydrogen Atoms Used in Refinement
Non-Hydrogen Atoms	Number
Protein Atoms	2901
Nucleic Acid Atoms
Solvent Atoms	265
Heterogen Atoms	169

Software

Software
Software Name	Purpose
SCALEPACK	data scaling
PHASER	phasing
REFMAC	refinement
PDB_EXTRACT	data extraction
CBASS	data collection
HKL-2000	data reduction

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.