2X0R

R207S, R292S Mutant of Malate Dehydrogenase from the Halophilic Archeon Haloarcula marismortui (HoloForm)

X-RAY DIFFRACTION

Crystallization

Crystalization Experiments
ID	Method	pH	Temperature	Details
1		7.6		2 M NACL, 25 MM TRIS PH 7.6, 2.5 MM NADH, 50% MPD

Crystal Properties
Matthews coefficient	Solvent content
3.5	63

Crystal Data

Unit Cell
Length ( Å )	Angle ( ˚ )
a = 115.36	α = 90
b = 125.91	β = 90
c = 125.84	γ = 90

Symmetry
Space Group	C 2 2 21

Diffraction

Diffraction Experiment
ID #	Crystal ID	Scattering Type	Data Collection Temperature	Detector	Detector Type	Details	Collection Date	Monochromator	Protocol
1	1	x-ray	103	IMAGE PLATE	MARRESEARCH	MIRRORS	2000-03-21	M	SINGLE WAVELENGTH

Radiation Source
ID #	Source	Type	Wavelength List	Synchrotron Site	Beamline
1	ROTATING ANODE	NONIUS

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	2.91	44.72	97.8	0.1	15.5	5.03		20001			35.33

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	2.9	3.01	93.1		0.27	4.5	4.5

Refinement

Statistics
Diffraction ID	Structure Solution Method	Starting model	Resolution (High)	Resolution (Low)	Cut-off Sigma (F)	Number Reflections (Observed)	Number Reflections (R-Free)	Percent Reflections (Observed)	R-Factor (Observed)	R-Work	R-Free	Mean Isotropic B
X-RAY DIFFRACTION	MOLECULAR REPLACEMENT	PDB ENTRY 2HLP	2.915	44.504	1.46	19986	964	98.24	0.1888	0.1839	0.2864	43.06

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]
-5.8083			8.7394		-6.2192

RMS Deviations
Key	Refinement Restraint Deviation
f_dihedral_angle_d	23.887
f_angle_d	1.401
f_chiral_restr	0.117
f_bond_d	0.008
f_plane_restr	0.007

Non-Hydrogen Atoms Used in Refinement
Non-Hydrogen Atoms	Number
Protein Atoms	4582
Nucleic Acid Atoms
Solvent Atoms	120
Heterogen Atoms	97

Software

Software
Software Name	Purpose
PHENIX	refinement
XDS	data reduction
BIOMOL	data scaling
AMoRE	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.