2HX5

Crystal structure of a putative thioesterase (pmt_2055) from prochlorococcus marinus str. mit 9313 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,NANODROP	6.5	277	35.0% 2-ethoxyethanol, 0.1M Cacodylate pH 6.5, VAPOR DIFFUSION,SITTING DROP,NANODROP, temperature 277K

Crystal Properties
Matthews coefficient	Solvent content
2.44	49.19

Crystal Data

Unit Cell
Length ( Å )	Angle ( ˚ )
a = 104.22	α = 90
b = 104.22	β = 90
c = 104.22	γ = 90

Symmetry
Space Group	I 2 3

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	MARMOSAIC 325 mm CCD	Flat collimating mirror, toroid focusing mirror	2006-06-17	M	SINGLE WAVELENGTH

Radiation Source
ID #	Source	Type	Wavelength List	Synchrotron Site	Beamline
1	SYNCHROTRON	SSRL BEAMLINE BL9-2		SSRL	BL9-2

Data Collection

Overall
ID #	Resolution (High)	Resolution (Low)	Percent Possible (Observed)	R Merge 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	27.853	95.3	0.073	11.55			30132			25.327

Highest Resolution Shell
ID #	Resolution (High)	Resolution (Low)	Percent Possible (All)	Percent Possible (Observed)	R Merge I (Observed)	Mean I Over Sigma (Observed)	Redundancy	Number Unique Reflections (All)
1	1.5	1.55	82.8		0.74	1.9		4571

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-Work	R-Free	R-Free Selection Details	Mean Isotropic B
X-RAY DIFFRACTION	SAD	THROUGHOUT	1.5	27.853	30131	1524	99.76	0.157	0.155	0.182	RANDOM	17.349

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]

RMS Deviations
Key	Refinement Restraint Deviation
r_dihedral_angle_2_deg	31.018
r_dihedral_angle_4_deg	23.087
r_dihedral_angle_3_deg	11.886
r_scangle_it	7.26
r_dihedral_angle_1_deg	5.934
r_scbond_it	4.962
r_mcangle_it	2.957
r_mcbond_it	2.635
r_angle_refined_deg	1.728
r_angle_other_deg	1.379
r_mcbond_other	0.484
r_symmetry_vdw_other	0.314
r_nbd_refined	0.227
r_nbd_other	0.21
r_symmetry_vdw_refined	0.182
r_nbtor_refined	0.179
r_chiral_restr	0.162
r_xyhbond_nbd_refined	0.154
r_symmetry_hbond_refined	0.146
r_nbtor_other	0.089
r_bond_refined_d	0.017
r_bond_other_d	0.011
r_gen_planes_refined	0.008
r_gen_planes_other	0.002

Non-Hydrogen Atoms Used in Refinement
Non-Hydrogen Atoms	Number
Protein Atoms	1169
Nucleic Acid Atoms
Solvent Atoms	142
Heterogen Atoms	12

Software

Software
Software Name	Purpose
MolProbity	model building
SHELX	phasing
REFMAC	refinement
XSCALE	data scaling
PDB_EXTRACT	data extraction
XDS	data reduction
SHELXD	phasing
autoSHARP	phasing