2RAU

Crystal structure of a putative lipase (NP_343859.1) from Sulfolobus solfataricus at 1.85 A resolution

X-RAY DIFFRACTION

---

Crystallization

Crystalization Experiments
ID	Method	pH	Temperature	Details
1	VAPOR DIFFUSION, SITTING DROP	7.5	277	NANODROP, 0.2M CaCl2, 28.0% PEG 400, 0.1M HEPES pH 7.5, VAPOR DIFFUSION, SITTING DROP, temperature 277K

Crystal Properties
Matthews coefficient	Solvent content
3.44	64.22

Crystal Data

Unit Cell
Length ( Å )	Angle ( ˚ )
a = 83.333	α = 90
b = 83.333	β = 90
c = 140.032	γ = 120

Symmetry
Space Group	P 31 2 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	MARMOSAIC 325 mm CCD	Flat mirror (vertical focusing)	2007-07-19	M	MAD

Radiation Source
ID #	Source	Type	Wavelength List	Synchrotron Site	Beamline
1	SYNCHROTRON	SSRL BEAMLINE BL11-1	0.91837, 0.97937, 0.97916	SSRL	BL11-1

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	1.85	28.548	100	0.105	0.105	14	7.3		48739

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	1.85	1.9	100		0.896	0.896	2.3	7.3	3552

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	MAD	THROUGHOUT	1.85	28.548	48690	2458	99.95	0.16	0.158	0.188	RANDOM	25.14

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]
0.94	0.47		0.94		-1.41

RMS Deviations
Key	Refinement Restraint Deviation
r_dihedral_angle_2_deg	36.898
r_dihedral_angle_4_deg	22.289
r_dihedral_angle_3_deg	12.128
r_scangle_it	6.341
r_dihedral_angle_1_deg	5.621
r_scbond_it	4.449
r_mcangle_it	2.974
r_mcbond_it	2.059
r_angle_refined_deg	1.686
r_angle_other_deg	1.019
r_mcbond_other	0.526
r_metal_ion_refined	0.291
r_symmetry_hbond_refined	0.248
r_nbd_refined	0.215
r_symmetry_vdw_other	0.208
r_xyhbond_nbd_refined	0.205
r_symmetry_vdw_refined	0.2
r_nbd_other	0.193
r_nbtor_refined	0.187
r_chiral_restr	0.107
r_xyhbond_nbd_other	0.104
r_nbtor_other	0.091
r_symmetry_metal_ion_refined	0.066
r_bond_refined_d	0.017
r_gen_planes_refined	0.007
r_bond_other_d	0.001
r_gen_planes_other	0.001

Non-Hydrogen Atoms Used in Refinement
Non-Hydrogen Atoms	Number
Protein Atoms	2773
Nucleic Acid Atoms
Solvent Atoms	333
Heterogen Atoms	68

Software

Software
Software Name	Purpose
REFMAC	refinement
PHENIX	refinement
SOLVE	phasing
MolProbity	model building
SCALA	data scaling
PDB_EXTRACT	data extraction
MAR345	data collection
MOSFLM	data reduction