3L44

Crystal structure of Bacillus anthracis HemL-1, glutamate semialdehyde aminotransferase

X-RAY DIFFRACTION

Crystallization

Crystalization Experiments
ID	Method	pH	Temperature	Details
1	VAPOR DIFFUSION, HANGING DROP	6.5	293	25% PEG 3350, 100mM Bis-Tris, pH 6.5, VAPOR DIFFUSION, HANGING DROP, temperature 293K

Crystal Properties
Matthews coefficient	Solvent content
1.99	38.22

Crystal Data

Unit Cell
Length ( Å )	Angle ( ˚ )
a = 75.84	α = 90
b = 93.92	β = 90
c = 105.64	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	110	CCD	MARMOSAIC 225 mm CCD	beryllium lens	2009-11-13	M	SINGLE WAVELENGTH

Radiation Source
ID #	Source	Type	Wavelength List	Synchrotron Site	Beamline
1	SYNCHROTRON	APS BEAMLINE 21-ID-F	0.97872	APS	21-ID-F

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	2.05	50	99.4	0.092	17.7	7.8	47797	48086		4.2

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	2.05	2.12	100		0.491	4.2	7.4	4708

Refinement

Statistics
Diffraction ID	Structure Solution Method	Cross Validation method	Resolution (High)	Resolution (Low)	Cut-off Sigma (I)	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	SAD	THROUGHOUT	2.05	43.35	4.2	48023	47807	2437	99.55	0.16	0.159	0.157	0.192	RANDOM	7.719

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]
-1.11			-1.38		2.49

RMS Deviations
Key	Refinement Restraint Deviation
r_dihedral_angle_2_deg	36.88
r_dihedral_angle_4_deg	21.902
r_dihedral_angle_3_deg	13.811
r_scangle_it	6.091
r_dihedral_angle_1_deg	5.702
r_scbond_it	4.139
r_mcangle_it	2.086
r_mcbond_it	1.281
r_angle_refined_deg	1.185
r_chiral_restr	0.078

RMS Deviations
Key	Refinement Restraint Deviation
r_dihedral_angle_2_deg	36.88
r_dihedral_angle_4_deg	21.902
r_dihedral_angle_3_deg	13.811
r_scangle_it	6.091
r_dihedral_angle_1_deg	5.702
r_scbond_it	4.139
r_mcangle_it	2.086
r_mcbond_it	1.281
r_angle_refined_deg	1.185
r_chiral_restr	0.078
r_bond_refined_d	0.009
r_gen_planes_refined	0.005

Non-Hydrogen Atoms Used in Refinement
Non-Hydrogen Atoms	Number
Protein Atoms	6509
Nucleic Acid Atoms
Solvent Atoms	631
Heterogen Atoms

Software

Software
Software Name	Purpose
DENZO	data reduction
SCALEPACK	data scaling
REFMAC	refinement
PDB_EXTRACT	data extraction
BLU-MAX	data collection
HKL-2000	data reduction
HKL-2000	data scaling
PHENIX	phasing

RCSB PDB Core Operations are funded by the National Science Foundation (DBI-1832184), 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.