2F4L

Crystal structure of a putative acetamidase (tm0119) from thermotoga maritima msb8 at 2.50 A resolution

X-RAY DIFFRACTION

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Crystallization

Crystalization Experiments
ID	Method	pH	Temperature	Details
1	VAPOR DIFFUSION,SITTING DROP,NANODROP	7.5	277	10.0% Glycerol, 5.0% PEG-3000, 30.0% PEG-400, 0.1M Citrate, pH 7.5, VAPOR DIFFUSION,SITTING DROP,NANODROP, temperature 277K

Crystal Properties
Matthews coefficient	Solvent content
2.44	54.16

Crystal Data

Unit Cell
Length ( Å )	Angle ( ˚ )
a = 80.257	α = 90
b = 104.068	β = 90
c = 154.945	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	MARMOSAIC 325 mm CCD		2005-04-12	M	MAD

Radiation Source
ID #	Source	Type	Wavelength List	Synchrotron Site	Beamline
1	SYNCHROTRON	SSRL BEAMLINE BL9-2	0.89194, 0.97936	SSRL	BL9-2

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	2.5	29.7	99.9	0.137	0.137	4.8	3.7		45660

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	2.5	2.56		100	0.923	0.923	0.7	3.7

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	MAD	THROUGHOUT	2.5	29.7	43287	2305	99.85	0.194	0.192	0.242	RANDOM	23.323

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]
-0.1			-2.24		2.34

RMS Deviations
Key	Refinement Restraint Deviation
r_dihedral_angle_2_deg	32.082
r_dihedral_angle_4_deg	14.495
r_dihedral_angle_3_deg	14.02
r_dihedral_angle_1_deg	6.451
r_scangle_it	5.606
r_scbond_it	3.942
r_mcangle_it	1.901
r_mcbond_it	1.298
r_angle_refined_deg	1.269
r_angle_other_deg	0.839
r_mcbond_other	0.298
r_symmetry_vdw_other	0.269
r_nbd_refined	0.209
r_nbd_other	0.184
r_nbtor_refined	0.175
r_xyhbond_nbd_refined	0.15
r_symmetry_hbond_refined	0.128
r_symmetry_vdw_refined	0.107
r_nbtor_other	0.084
r_chiral_restr	0.071
r_bond_refined_d	0.011
r_gen_planes_refined	0.003
r_metal_ion_refined	0.002
r_bond_other_d	0.001
r_gen_planes_other	0.001

Non-Hydrogen Atoms Used in Refinement
Non-Hydrogen Atoms	Number
Protein Atoms	8355
Nucleic Acid Atoms
Solvent Atoms	163
Heterogen Atoms	10

Software

Software
Software Name	Purpose
REFMAC	refinement
SCALA	data scaling
PDB_EXTRACT	data extraction
MOSFLM	data reduction
CCP4	data scaling
SHELXE	model building
SHARP	phasing