3B5E

Crystal structure of carboxylesterase (NP_108484.1) from Mesorhizobium loti at 1.75 A resolution

X-RAY DIFFRACTION

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Crystallization

Crystalization Experiments
ID	Method	pH	Temperature	Details
1	VAPOR DIFFUSION, SITTING DROP	10.5	277	NANODROP, 2.0M (NH4)2SO4, 0.2M Li2SO4, 0.1M CAPS pH 10.5, VAPOR DIFFUSION, SITTING DROP, temperature 277K

Crystal Properties
Matthews coefficient	Solvent content
3.19	61.45

Crystal Data

Unit Cell
Length ( Å )	Angle ( ˚ )
a = 47.16	α = 90
b = 105	β = 90
c = 123.62	γ = 90

Symmetry
Space Group	P 21 21 21

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 315		2007-09-15	M	MAD

Radiation Source
ID #	Source	Type	Wavelength List	Synchrotron Site	Beamline
1	SYNCHROTRON	ALS BEAMLINE 8.2.1	1.0000, 0.9795	ALS	8.2.1

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	1.75	29.643	97.6	0.051	10.85			62118		-3	28.45

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	1.75	1.81	87.8		0.556	1.4

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	1.75	29.643	62069	3150	98.85	0.165	0.163	0.19	RANDOM	19.283

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]
0.51			0.16		-0.67

RMS Deviations
Key	Refinement Restraint Deviation
r_dihedral_angle_2_deg	29.334
r_dihedral_angle_4_deg	15.624
r_dihedral_angle_3_deg	12.266
r_scangle_it	6.715
r_dihedral_angle_1_deg	6.011
r_scbond_it	4.496
r_mcangle_it	2.629
r_mcbond_it	1.914
r_angle_refined_deg	1.526
r_angle_other_deg	1.031
r_mcbond_other	0.559
r_nbd_other	0.202
r_nbd_refined	0.201
r_symmetry_vdw_other	0.171
r_nbtor_refined	0.168
r_xyhbond_nbd_refined	0.159
r_symmetry_hbond_refined	0.112
r_chiral_restr	0.085
r_nbtor_other	0.084
r_symmetry_vdw_refined	0.083
r_bond_refined_d	0.015
r_gen_planes_refined	0.006
r_gen_planes_other	0.002
r_bond_other_d	0.001

Non-Hydrogen Atoms Used in Refinement
Non-Hydrogen Atoms	Number
Protein Atoms	3173
Nucleic Acid Atoms
Solvent Atoms	482
Heterogen Atoms	94

Software

Software
Software Name	Purpose
REFMAC	refinement
PHENIX	refinement
SHELX	phasing
MolProbity	model building
XSCALE	data scaling
PDB_EXTRACT	data extraction
ADSC	data collection
XDS	data reduction
SHARP	phasing