3TTG

Crystal structure of putative aminomethyltransferase from Leptospirillum rubarum

X-RAY DIFFRACTION

Crystallization

Crystalization Experiments
ID	Method	pH	Temperature	Details
1		6.9	296	0.5 M K3PO4/0.5 M Na3PO4, pH 6.9, VAPOR DIFFUSION, SITTING DROP, temperature 296K

Crystal Properties
Matthews coefficient	Solvent content
3.14	60.86

Crystal Data

Unit Cell
Length ( Å )	Angle ( ˚ )
a = 115.616	α = 90
b = 115.616	β = 90
c = 75.428	γ = 90

Symmetry
Space Group	P 43 21 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 315r	MIRRORS	2010-12-19	M	SINGLE WAVELENGTH

Radiation Source
ID #	Source	Type	Wavelength List	Synchrotron Site	Beamline
1	SYNCHROTRON	APS BEAMLINE 19-ID		APS	19-ID

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	50	98.3	0.099	23.5	11.8		34441		-3	36.98

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	2.03	94.4		0.673	3	5.2

Refinement

Statistics
Diffraction ID	Structure Solution Method	Cross Validation method	Resolution (High)	Resolution (Low)	Number Reflections (All)	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	SAD	THROUGHOUT	2	36.56	34384	34384	1393	98	0.185	0.184	0.214	RANDOM	44.34

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]
1.884			1.884		-3.768

RMS Deviations
Key	Refinement Restraint Deviation
t_omega_torsion	5.08
t_other_torsion	2.98
t_angle_deg	1.17
t_bond_d	0.013
t_dihedral_angle_d
t_incorr_chiral_ct
t_pseud_angle
t_trig_c_planes
t_gen_planes
t_it

RMS Deviations
Key	Refinement Restraint Deviation
t_omega_torsion	5.08
t_other_torsion	2.98
t_angle_deg	1.17
t_bond_d	0.013
t_dihedral_angle_d
t_incorr_chiral_ct
t_pseud_angle
t_trig_c_planes
t_gen_planes
t_it
t_nbd
t_improper_torsion
t_chiral_improper_torsion
t_sum_occupancies
t_utility_distance
t_utility_angle
t_utility_torsion
t_ideal_dist_contact

Non-Hydrogen Atoms Used in Refinement
Non-Hydrogen Atoms	Number
Protein Atoms	2676
Nucleic Acid Atoms
Solvent Atoms	175
Heterogen Atoms	4

Software

Software
Software Name	Purpose
SBC-Collect	data collection
SHELX	model building
MLPHARE	phasing
DM	model building
ARP/wARP	model building
Coot	model building
BUSTER	refinement
HKL-3000	data reduction
HKL-3000	data scaling
SHELX	phasing
DM	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.