2FHJ

Crystal structure of formylmethanofuran: tetrahydromethanopterin formyltransferase in complex with its coenzymes

X-RAY DIFFRACTION

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Crystallization

Crystalization Experiments
ID	Method	pH	Temperature	Details
1	VAPOR DIFFUSION, HANGING DROP	7	298	12-18 % PEG 8000, 20 % glycerol, 0.5 M KCl, pH 7.0, VAPOR DIFFUSION, HANGING DROP, temperature 298K

Crystal Properties
Matthews coefficient	Solvent content
2.37	48.02

Crystal Data

Unit Cell
Length ( Å )	Angle ( ˚ )
a = 85	α = 90
b = 74.15	β = 113.54
c = 103.87	γ = 90

Symmetry
Space Group	P 1 21 1

Diffraction

Diffraction Experiment
ID #	Crystal ID	Scattering Type	Data Collection Temperature	Detector	Detector Type	Details	Collection Date	Monochromator	Protocol
1	1	x-ray	200	CCD	ADSC QUANTUM 4		2004-04-14	M	SINGLE WAVELENGTH

Radiation Source
ID #	Source	Type	Wavelength List	Synchrotron Site	Beamline
1	SYNCHROTRON	ESRF BEAMLINE ID14-4	0.91	ESRF	ID14-4

Data Collection

Overall
ID #	Resolution (High)	Resolution (Low)	Percent Possible (Observed)	R Merge I (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	104	94.7	0.126	0.105	7.93	3	77164	75995		-3

Highest Resolution Shell
ID #	Resolution (High)	Resolution (Low)	Percent Possible (All)	Percent Possible (Observed)	R Merge I (Observed)	R-Sym I (Observed)	Mean I Over Sigma (Observed)	Redundancy	Number Unique Reflections (All)
	2	2.1	91.7		0.502	0.413	3.38	2.85	9923

Refinement

Statistics
Diffraction ID	Structure Solution Method	Cross Validation method	Starting model	Resolution (High)	Resolution (Low)	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	MOLECULAR REPLACEMENT	THROUGHOUT	PDB ID 1FTR	2	20	75995	75995	3870	96.4	0.221	0.221	0.219	0.256	RANDOM	29.712

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]
4.91		1.84	-2.9		-0.54

RMS Deviations
Key	Refinement Restraint Deviation
r_dihedral_angle_2_deg	36.876
r_dihedral_angle_4_deg	17.427
r_dihedral_angle_3_deg	15.148
r_dihedral_angle_1_deg	8.311
r_scangle_it	5.223
r_scbond_it	3.454
r_mcangle_it	1.856
r_angle_other_deg	1.77
r_angle_refined_deg	1.613
r_mcbond_it	1.136
r_mcbond_other	0.371
r_nbd_refined	0.254
r_symmetry_vdw_refined	0.243
r_symmetry_vdw_other	0.24
r_xyhbond_nbd_refined	0.206
r_symmetry_hbond_refined	0.201
r_nbd_other	0.193
r_nbtor_refined	0.191
r_metal_ion_refined	0.181
r_nbtor_other	0.091
r_chiral_restr	0.072
r_xyhbond_nbd_other	0.022
r_bond_refined_d	0.011
r_bond_other_d	0.006
r_gen_planes_refined	0.006
r_gen_planes_other	0.002

Non-Hydrogen Atoms Used in Refinement
Non-Hydrogen Atoms	Number
Protein Atoms	8950
Nucleic Acid Atoms
Solvent Atoms	451
Heterogen Atoms	417

Software

Software
Software Name	Purpose
DENZO	data reduction
XSCALE	data scaling
EPMR	phasing
REFMAC	refinement