3M1L

Crystal structure of a C-terminal trunacted mutant of a putative ketoacyl reductase (FabG4) from Mycobacterium tuberculosis H37Rv at 2.5 Angstrom resolution

X-RAY DIFFRACTION

Crystallization

Crystalization Experiments
ID	Method	pH	Temperature	Details
1	VAPOR DIFFUSION, HANGING DROP	5.6	298	0.2M Sodium Acetate, 15% (w/v) PEG3350, pH 5.6, VAPOR DIFFUSION, HANGING DROP, temperature 298K

Crystal Properties
Matthews coefficient	Solvent content
2.26	45.63

Crystal Data

Unit Cell
Length ( Å )	Angle ( ˚ )
a = 65.076	α = 90
b = 80.497	β = 90
c = 153.953	γ = 90

Symmetry
Space Group	P 21 21 21

Diffraction

Diffraction Experiment
ID #	Crystal ID	Scattering Type	Data Collection Temperature	Detector	Detector Type	Details	Collection Date	Monochromator	Protocol
1	1	x-ray	100	IMAGE PLATE	RIGAKU RAXIS IV++	VARIMAX MIRROR	2010-01-20	M	SINGLE WAVELENGTH

Radiation Source
ID #	Source	Type	Wavelength List	Synchrotron Site	Beamline
1	ROTATING ANODE	RIGAKU MICROMAX-007 HF	1.5418

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	2.52	19.95		0.101	15.1	7		27834			46.3

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	2.52				0.561	2.9	6	7827

Refinement

Statistics
Diffraction ID	Structure Solution Method	Cross Validation method	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	2.52	19.95	27784	1138	98.91	0.183	0.181	0.241	RANDOM	37.792

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]
1.45			1.73		-3.18

RMS Deviations
Key	Refinement Restraint Deviation
r_dihedral_angle_2_deg	35.731
r_dihedral_angle_4_deg	21.281
r_dihedral_angle_3_deg	18.335
r_dihedral_angle_1_deg	6.47
r_scangle_it	4.113
r_scbond_it	2.399
r_angle_refined_deg	1.652
r_mcangle_it	1.495
r_mcbond_it	0.778
r_chiral_restr	0.102

RMS Deviations
Key	Refinement Restraint Deviation
r_dihedral_angle_2_deg	35.731
r_dihedral_angle_4_deg	21.281
r_dihedral_angle_3_deg	18.335
r_dihedral_angle_1_deg	6.47
r_scangle_it	4.113
r_scbond_it	2.399
r_angle_refined_deg	1.652
r_mcangle_it	1.495
r_mcbond_it	0.778
r_chiral_restr	0.102
r_bond_refined_d	0.016
r_gen_planes_refined	0.007

Non-Hydrogen Atoms Used in Refinement
Non-Hydrogen Atoms	Number
Protein Atoms	5258
Nucleic Acid Atoms
Solvent Atoms	207
Heterogen Atoms	4

Software

Software
Software Name	Purpose
REFMAC	refinement
PDB_EXTRACT	data extraction
StructureStudio	data collection
XDS	data reduction
SCALA	data scaling
PHASER	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.