1O5Z

Crystal structure of Folylpolyglutamate synthase (TM0166) from Thermotoga maritima at 2.10 A resolution

X-RAY DIFFRACTION

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Crystallization

Crystalization Experiments
ID	Method	pH	Temperature	Details
1	VAPOR DIFFUSION,SITTING DROP,NANODROP	6.7	277	0.2 M Potassium Sulfate, 20% w/v/ PEG 3350, pH6.7, VAPOR DIFFUSION,SITTING DROP,NANODROP, temperature 277K

Crystal Properties
Matthews coefficient	Solvent content
2.8	55.67

Crystal Data

Unit Cell
Length ( Å )	Angle ( ˚ )
a = 84.751	α = 90
b = 84.751	β = 90
c = 280.679	γ = 120

Symmetry
Space Group	P 61 2 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		2003-06-25	M	SINGLE WAVELENGTH

Radiation Source
ID #	Source	Type	Wavelength List	Synchrotron Site	Beamline
1	SYNCHROTRON	ALS BEAMLINE 5.0.3		ALS	5.0.3

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	2.1	50	100	0.068	22.2	5.57	33188	33188			46.92

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	2.1	2.18	61.61		0.511	2.57	3.86	2163

Refinement

Statistics
Diffraction ID	Structure Solution Method	Cross Validation method	Starting model	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	1fgs	2.1	35.19	31388	1676	92.1	0.1842	0.18107	0.24421	RANDOM	42.889

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]
-1.56	-0.78		-1.56		2.34

RMS Deviations
Key	Refinement Restraint Deviation
r_dihedral_angle_2_deg	37.637
r_dihedral_angle_3_deg	17.419
r_dihedral_angle_4_deg	14.719
r_dihedral_angle_1_deg	6.666
r_scangle_it	3.403
r_scbond_it	2.215
r_angle_refined_deg	1.69
r_mcangle_it	1.349
r_mcbond_it	0.945
r_angle_other_deg	0.878
r_symmetry_vdw_other	0.312
r_symmetry_hbond_refined	0.29
r_symmetry_vdw_refined	0.287
r_nbd_refined	0.227
r_xyhbond_nbd_refined	0.214
r_nbd_other	0.19
r_chiral_restr	0.094
r_nbtor_other	0.093
r_bond_refined_d	0.018
r_gen_planes_refined	0.006
r_bond_other_d	0.001
r_gen_planes_other	0.001

Non-Hydrogen Atoms Used in Refinement
Non-Hydrogen Atoms	Number
Protein Atoms	3362
Nucleic Acid Atoms
Solvent Atoms	323
Heterogen Atoms	31

Software

Software
Software Name	Purpose
HKL-2000	data collection
DENZO	data reduction
SCALEPACK	data scaling
MOLREP	phasing
REFMAC	refinement
HKL-2000	data reduction