Experiment: 1MEO

X-RAY DIFFRACTION

Starting Model(s)

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

Crystallization

Crystalization Experiments
ID	Method	pH	Temperature	Details
1	VAPOR DIFFUSION, SITTING DROP	4.2	282	1.9-2.1M Ammonium Sulfate, 100mM Na Acetate pH 4.2-4.6, VAPOR DIFFUSION, SITTING DROP, temperature 282K

Crystal Properties
Matthews coefficient	Solvent content
4.5	72.4

Crystal Data

Unit Cell
Length ( Å )	Angle ( ˚ )
a = 78.13	α = 90
b = 78.13	β = 90
c = 230.91	γ = 120

Symmetry
Space Group	P 65 2 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	CCD	ADSC QUANTUM 9		2001-11-16	M	SINGLE WAVELENGTH

Radiation Source
ID #	Source	Type	Wavelength List	Synchrotron Site	Beamline
1	SYNCHROTRON	SSRL BEAMLINE BL11-1	0.976	SSRL	BL11-1

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	1.72	43.92	94.8	0.072	23.4	2.4		40379		-3

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)
	1.72	1.78	99		0.418	1.65	1.9	16675

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 1MEJ	1.72	43.85	45030	40379	4458		0.226	0.226	0.223	0.24	RANDOM	18.691

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]
0.59	0.29		0.59		-0.88

RMS Deviations
Key	Refinement Restraint Deviation
r_dihedral_angle_3_deg	13.217
r_dihedral_angle_1_deg	3.641
r_scangle_it	3.352
r_scbond_it	1.902
r_angle_refined_deg	1.142
r_mcangle_it	1.135
r_mcbond_it	0.57
r_symmetry_hbond_refined	0.499
r_nbd_refined	0.219
r_symmetry_vdw_refined	0.154

RMS Deviations
Key	Refinement Restraint Deviation
r_dihedral_angle_3_deg	13.217
r_dihedral_angle_1_deg	3.641
r_scangle_it	3.352
r_scbond_it	1.902
r_angle_refined_deg	1.142
r_mcangle_it	1.135
r_mcbond_it	0.57
r_symmetry_hbond_refined	0.499
r_nbd_refined	0.219
r_symmetry_vdw_refined	0.154
r_xyhbond_nbd_refined	0.11
r_chiral_restr	0.077
r_bond_refined_d	0.011
r_gen_planes_refined	0.004

Non-Hydrogen Atoms Used in Refinement
Non-Hydrogen Atoms	Number
Protein Atoms	1531
Nucleic Acid Atoms
Solvent Atoms	149
Heterogen Atoms	10

Software

Software
Software Name	Purpose
HKL-2000	data collection
SCALEPACK	data scaling
AMoRE	phasing
REFMAC	refinement
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.