2FE1

Crystal Structure of PAE0151 from Pyrobaculum aerophilum

X-RAY DIFFRACTION

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Crystallization

Crystalization Experiments
ID	Method	pH	Temperature	Details
1	VAPOR DIFFUSION, SITTING DROP	7	291	20% w/v PEG 3350, 0.2 M calcium chloride, 0.1 M HEPES, pH 7.0, VAPOR DIFFUSION, SITTING DROP, temperature 291K. Crystal soaked in crystallization medium supplemented with 5 mM MnCl2 for 24 hours prior to data collection.

Crystal Properties
Matthews coefficient	Solvent content
2.06	40.29

Crystal Data

Unit Cell
Length ( Å )	Angle ( ˚ )
a = 72.343	α = 90
b = 72.343	β = 90
c = 96.803	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 QUANTUM 210	cylindrical grazing incidence mirror	2005-09-25	M	SINGLE WAVELENGTH

Radiation Source
ID #	Source	Type	Wavelength List	Synchrotron Site	Beamline
1	SYNCHROTRON	ESRF BEAMLINE ID29	1.7712	ESRF	ID29

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	2.2	62.65	98.8	0.053	0.053	38	17.8	7979	7979	2	2	29.33

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	2.2	2.32	92		0.18	0.184	7	10.8	1027

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	MOLECULAR REPLACEMENT	THROUGHOUT	2.2	52.63	7979	7949	795	98.48	0.179	0.179	0.174	0.229	RANDOM	23.7

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]
0.33	0.17		0.33		-0.5

RMS Deviations
Key	Refinement Restraint Deviation
r_dihedral_angle_2_deg	30.747
r_dihedral_angle_4_deg	20.403
r_dihedral_angle_3_deg	13.48
r_dihedral_angle_1_deg	5.362
r_scangle_it	3.891
r_scbond_it	2.525
r_mcangle_it	1.486
r_angle_refined_deg	1.352
r_mcbond_it	0.98
r_nbtor_refined	0.297
r_nbd_refined	0.207
r_symmetry_vdw_refined	0.191
r_xyhbond_nbd_refined	0.157
r_symmetry_hbond_refined	0.145
r_chiral_restr	0.097
r_bond_refined_d	0.017
r_gen_planes_refined	0.006

Non-Hydrogen Atoms Used in Refinement
Non-Hydrogen Atoms	Number
Protein Atoms	998
Nucleic Acid Atoms
Solvent Atoms	80
Heterogen Atoms	3

Software

Software
Software Name	Purpose
SCALA	data scaling
REFMAC	refinement
PDB_EXTRACT	data extraction
MOSFLM	data reduction
CCP4	data scaling
PHASER	phasing