3CIW

X-RAY structure of the [FeFe]-hydrogenase maturase HydE from thermotoga maritima

X-RAY DIFFRACTION

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Crystallization

Crystalization Experiments
ID	Method	pH	Temperature	Details
1	VAPOR DIFFUSION, HANGING DROP	8.5	293	PEG4000 35%, 100mM TrisHCl, pH8.5, 100mM LiSO4, 3mM CHAPS, 20mg/mL Protein, VAPOR DIFFUSION, HANGING DROP, temperature 293K

Crystal Properties
Matthews coefficient	Solvent content
2.17	43.43

Crystal Data

Unit Cell
Length ( Å )	Angle ( ˚ )
a = 50.974	α = 90
b = 79.228	β = 90
c = 85.941	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 4		2006-09-17	M	SINGLE WAVELENGTH

Radiation Source
ID #	Source	Type	Wavelength List	Synchrotron Site	Beamline
1	SYNCHROTRON	ESRF BEAMLINE ID14-1	0.933	ESRF	ID14-1

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	1.35	43.85	98.5	0.045	16.21	3.6		77755		2	12

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)
	1.35	1.45	95.8		0.396	2.95	3.1	28542

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	1.35	38.36	72284	3837	98.75	0.14504	0.14335	0.17713	RANDOM	12.922

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]
0.75			-0.17		-0.58

RMS Deviations
Key	Refinement Restraint Deviation
r_dihedral_angle_2_deg	35.266
r_dihedral_angle_1_deg	16.91
r_dihedral_angle_4_deg	14.616
r_dihedral_angle_3_deg	11.865
r_sphericity_free	6.599
r_sphericity_bonded	3.587
r_scangle_it	2.709
r_mcangle_it	2.436
r_scbond_it	2.025
r_mcbond_it	1.846
r_angle_refined_deg	1.622
r_rigid_bond_restr	1.569
r_angle_other_deg	1.205
r_mcbond_other	1.01
r_symmetry_vdw_other	0.262
r_nbd_refined	0.232
r_nbd_other	0.206
r_symmetry_vdw_refined	0.206
r_xyhbond_nbd_refined	0.198
r_nbtor_refined	0.18
r_symmetry_hbond_refined	0.16
r_chiral_restr	0.109
r_nbtor_other	0.084
r_bond_refined_d	0.011
r_gen_planes_refined	0.006
r_bond_other_d	0.002
r_gen_planes_other	0.001
r_xyhbond_nbd_other
r_metal_ion_refined
r_metal_ion_other
r_symmetry_hbond_other
r_symmetry_metal_ion_refined
r_symmetry_metal_ion_other

Non-Hydrogen Atoms Used in Refinement
Non-Hydrogen Atoms	Number
Protein Atoms	2831
Nucleic Acid Atoms
Solvent Atoms	426
Heterogen Atoms	192

Software

Software
Software Name	Purpose
REFMAC	refinement
ADSC	data collection
XDS	data reduction
XSCALE	data scaling
SHARP	phasing