2QZC

Crystal structure of a putative tena-like thiaminase (tena-1, sso2206) from sulfolobus solfataricus p2 at 1.50 A resolution

X-RAY DIFFRACTION

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Crystallization

Crystalization Experiments
ID	Method	pH	Temperature	Details
1	VAPOR DIFFUSION, SITTING DROP	7	277	NANODROP, 2.4M (NH4)2SO4, 0.1M HEPES pH 7.0, VAPOR DIFFUSION, SITTING DROP, temperature 277K

Crystal Properties
Matthews coefficient	Solvent content
2.67	54

Crystal Data

Unit Cell
Length ( Å )	Angle ( ˚ )
a = 88.862	α = 90
b = 88.862	β = 90
c = 135.76	γ = 90

Symmetry
Space Group	P 43 21 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 4	1m long Rh coated bent cylindrical mirror for horizontal and vertical focusing	2007-07-16	M	MAD

Radiation Source
ID #	Source	Type	Wavelength List	Synchrotron Site	Beamline
1	SYNCHROTRON	SSRL BEAMLINE BL1-5	0.918381, 0.979310, 0.978921	SSRL	BL1-5

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	1.5	38.152	99.8	0.057	0.057	8.7	7.7		87321

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	1.5	1.54	98.1		0.688	0.688	0.9	4.8	6228

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 (All)	R-Factor (Observed)	R-Work	R-Free	R-Free Selection Details	Mean Isotropic B
X-RAY DIFFRACTION	MAD	THROUGHOUT	1.5	38.152	87230	4372	99.78	0.166	0.166	0.165	0.184	RANDOM	21.706

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]
0.22			0.22		-0.44

RMS Deviations
Key	Refinement Restraint Deviation
r_dihedral_angle_2_deg	33.449
r_dihedral_angle_4_deg	13.266
r_dihedral_angle_3_deg	10.186
r_scangle_it	5.437
r_scbond_it	3.839
r_dihedral_angle_1_deg	3.608
r_mcangle_it	2.539
r_mcbond_it	1.667
r_angle_refined_deg	1.5
r_angle_other_deg	1.344
r_mcbond_other	0.439
r_nbd_refined	0.208
r_symmetry_hbond_refined	0.203
r_nbtor_refined	0.18
r_nbd_other	0.141
r_symmetry_vdw_other	0.137
r_xyhbond_nbd_refined	0.115
r_chiral_restr	0.105
r_nbtor_other	0.074
r_symmetry_vdw_refined	0.069
r_bond_refined_d	0.015
r_gen_planes_refined	0.007
r_bond_other_d	0.004
r_gen_planes_other	0.002

Non-Hydrogen Atoms Used in Refinement
Non-Hydrogen Atoms	Number
Protein Atoms	3329
Nucleic Acid Atoms
Solvent Atoms	312
Heterogen Atoms	52

Software

Software
Software Name	Purpose
REFMAC	refinement
PHENIX	refinement
SHELX	phasing
MolProbity	model building
SCALA	data scaling
PDB_EXTRACT	data extraction
ADSC	data collection
MOSFLM	data reduction
SHARP	phasing
SHELXD	phasing