6PMH

Structure of Epimerase Mth375 from the thermophilic pseudomurein-containing methanogen Methanothermobacter thermautotrophicus

X-RAY DIFFRACTION

Crystallization

Crystalization Experiments
ID	Method	pH	Temperature	Details
1	VAPOR DIFFUSION, SITTING DROP	5.6	294	1.0 M ammonium dihydrogen phosphate, 0.1 M tri-sodium citrate, Silver Bullets Bio condition H9

Crystal Properties
Matthews coefficient	Solvent content
3.57	65.54

Crystal Data

Unit Cell
Length ( Å )	Angle ( ˚ )
a = 113.815	α = 90
b = 113.815	β = 90
c = 239.873	γ = 120

Symmetry
Space Group	H 3 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 210r		2013-06-27	M	SINGLE WAVELENGTH

Radiation Source
ID #	Source	Type	Wavelength List	Synchrotron Site	Beamline
1	SYNCHROTRON	AUSTRALIAN SYNCHROTRON BEAMLINE MX1	0.911700	Australian Synchrotron	MX1

Data Collection

Overall
ID #	Resolution (High)	Resolution (Low)	Percent Possible (Observed)	R Merge I (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	2.3	48.27	100	0.176	0.996	15.1	11.1		26918

Highest Resolution Shell
ID #	Resolution (High)	Resolution (Low)	Percent Possible (All)	Percent Possible (Observed)	R Merge I (Observed)	CC (Half)	Mean I Over Sigma (Observed)	Redundancy	Number Unique Reflections (All)
1	2.3	2.38	100		0.763	0.905		11.3

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	2PZJ	2.3	48.27	25527	1380	99.93	0.1487	0.1471	0.1776	RANDOM	25.768

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]
0.79	0.4		0.79		-2.58

RMS Deviations
Key	Refinement Restraint Deviation
r_dihedral_angle_2_deg	38.081
r_dihedral_angle_4_deg	20.77
r_dihedral_angle_3_deg	15.335
r_dihedral_angle_1_deg	6.513
r_angle_refined_deg	1.607
r_angle_other_deg	0.986
r_chiral_restr	0.095
r_bond_refined_d	0.012
r_gen_planes_refined	0.007
r_bond_other_d	0.002

RMS Deviations
Key	Refinement Restraint Deviation
r_dihedral_angle_2_deg	38.081
r_dihedral_angle_4_deg	20.77
r_dihedral_angle_3_deg	15.335
r_dihedral_angle_1_deg	6.513
r_angle_refined_deg	1.607
r_angle_other_deg	0.986
r_chiral_restr	0.095
r_bond_refined_d	0.012
r_gen_planes_refined	0.007
r_bond_other_d	0.002
r_gen_planes_other	0.002

Non-Hydrogen Atoms Used in Refinement
Non-Hydrogen Atoms	Number
Protein Atoms	2652
Nucleic Acid Atoms
Solvent Atoms	263
Heterogen Atoms	67

Software

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

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.