1O5H

Crystal structure of formiminotetrahydrofolate cyclodeaminase (TM1560) from Thermotoga maritima at 2.80 A resolution

X-RAY DIFFRACTION

Crystallization

Crystalization Experiments
ID	Method	pH	Temperature	Details
1	VAPOR DIFFUSION,SITTING DROP,NANODROP	5	277	5% PEG-6000, 0.1M citric acid pH 5.0, VAPOR DIFFUSION,SITTING DROP,NANODROP, temperature 277K

Crystal Properties
Matthews coefficient	Solvent content
2.84	56.4

Crystal Data

Unit Cell
Length ( Å )	Angle ( ˚ )
a = 56.704	α = 90
b = 71.875	β = 90
c = 119.245	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	CCD	ADSC QUANTUM 315		2002-11-21	M	SINGLE WAVELENGTH

Radiation Source
ID #	Source	Type	Wavelength List	Synchrotron Site	Beamline
1	SYNCHROTRON	SSRL BEAMLINE BL9-1		SSRL	BL9-1

Data Collection

Overall
ID #	Resolution (High)	Resolution (Low)	Percent Possible (Observed)	R Sym 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	2.6	42	88.3	0.108	13.3	6.4	13727	13727			64.28

Highest Resolution Shell
ID #	Resolution (High)	Resolution (Low)	Percent Possible (All)	Percent Possible (Observed)	R-Sym I (Observed)	Mean I Over Sigma (Observed)	Redundancy	Number Unique Reflections (All)
1	2.6	2.67	38.5		0.591	1.4	3.2	419

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	SAD	THROUGHOUT	2.8	42	11576	597	97.1	0.20289	0.19927	0.27814	RANDOM	44.593

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]
1.68			5.01		-6.69

RMS Deviations
Key	Refinement Restraint Deviation
r_dihedral_angle_2_deg	40.805
r_dihedral_angle_3_deg	19.746
r_dihedral_angle_4_deg	17.572
r_scangle_it	11.859
r_scbond_it	7.717
r_dihedral_angle_1_deg	4.377
r_mcangle_it	3.619
r_mcbond_it	2.763
r_angle_refined_deg	1.458
r_nbd_refined	0.253

RMS Deviations
Key	Refinement Restraint Deviation
r_dihedral_angle_2_deg	40.805
r_dihedral_angle_3_deg	19.746
r_dihedral_angle_4_deg	17.572
r_scangle_it	11.859
r_scbond_it	7.717
r_dihedral_angle_1_deg	4.377
r_mcangle_it	3.619
r_mcbond_it	2.763
r_angle_refined_deg	1.458
r_nbd_refined	0.253
r_symmetry_vdw_refined	0.187
r_symmetry_hbond_refined	0.155
r_xyhbond_nbd_refined	0.107
r_chiral_restr	0.093
r_bond_refined_d	0.018
r_gen_planes_refined	0.005

Non-Hydrogen Atoms Used in Refinement
Non-Hydrogen Atoms	Number
Protein Atoms	3045
Nucleic Acid Atoms
Solvent Atoms
Heterogen Atoms

Software

Software
Software Name	Purpose
MOSFLM	data reduction
SCALA	data scaling
SOLVE	phasing
RESOLVE	model building
REFMAC	refinement
CCP4	data scaling
RESOLVE	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.