1YE8

Crystal Structure of THEP1 from the hyperthermophile Aquifex aeolicus

X-RAY DIFFRACTION

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Crystallization

Crystalization Experiments
ID	Method	pH	Temperature	Details
1	VAPOR DIFFUSION, HANGING DROP	4.7	293	PEG 3350, potassium dihydrogenphosphate, pH 4.7, VAPOR DIFFUSION, HANGING DROP, temperature 293K

Crystal Properties
Matthews coefficient	Solvent content
2.17	43.3

Crystal Data

Unit Cell
Length ( Å )	Angle ( ˚ )
a = 35.87	α = 90
b = 64.24	β = 105.23
c = 39.62	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	100	CCD	MARRESEARCH	Mirrors	2003-12-21	M	MAD

Radiation Source
ID #	Source	Type	Wavelength List	Synchrotron Site	Beamline
1	SYNCHROTRON	SLS BEAMLINE X06SA	0.97625, 0.979802	SLS	X06SA

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	1.4	18.21	95.3	0.084	0.057	11.67	3.5	33181	33181			20.86

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)
	1.4	1.5	90.6		0.397	0.373	3.49	3.4	11436

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 (All)	R-Factor (Observed)	R-Work	R-Free	R-Free Selection Details	Mean Isotropic B
X-RAY DIFFRACTION	MAD	THROUGHOUT	1.4	18.21	32419	31502	1679	97.17	0.17351	0.17351	0.17168	0.20749	RANDOM	17.304

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]
-0.83		-0.56	0.71		-0.18

RMS Deviations
Key	Refinement Restraint Deviation
r_dihedral_angle_1_deg	5.296
r_scangle_it	3.629
r_sphericity_free	2.393
r_scbond_it	2.294
r_sphericity_bonded	2.284
r_mcangle_it	1.606
r_angle_refined_deg	1.334
r_rigid_bond_restr	1.1
r_mcbond_it	0.961
r_metal_ion_refined	0.518
r_nbd_refined	0.198
r_symmetry_vdw_refined	0.157
r_symmetry_hbond_refined	0.114
r_xyhbond_nbd_refined	0.111
r_chiral_restr	0.08
r_bond_refined_d	0.011
r_gen_planes_refined	0.005
r_bond_other_d
r_angle_other_deg
r_dihedral_angle_2_deg
r_dihedral_angle_3_deg
r_dihedral_angle_4_deg
r_gen_planes_other
r_nbd_other
r_nbtor_refined
r_nbtor_other
r_xyhbond_nbd_other
r_metal_ion_other
r_symmetry_vdw_other
r_symmetry_hbond_other
r_mcbond_other

Non-Hydrogen Atoms Used in Refinement
Non-Hydrogen Atoms	Number
Protein Atoms	1399
Nucleic Acid Atoms
Solvent Atoms	249
Heterogen Atoms	8

Software

Software
Software Name	Purpose
XDS	data scaling
XDS	data reduction
SHARP	phasing
REFMAC	refinement