4IZT | pdb_00004izt

The E41Q mutant of the amidase from Nesterenkonia sp. AN1 showing covalent addition of the acetamide moiety of fluoroacetamide at the active site cysteine

X-RAY DIFFRACTION

Crystallization

Crystalization Experiments
ID	Method	pH	Temperature	Details
1	VAPOR DIFFUSION, SITTING DROP	8.5	298	0.1 M Tris-HCL, 2.0 M ammonium sulfate, pH 8.5, VAPOR DIFFUSION, SITTING DROP, temperature 298K

Crystal Properties
Matthews coefficient	Solvent content
2.38	48.41

Crystal Data

Unit Cell
Length ( Å )	Angle ( ˚ )
a = 76.58	α = 90
b = 115.45	β = 90
c = 64.93	γ = 90

Symmetry
Space Group	C 2 2 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			2010-11-15	M	SINGLE WAVELENGTH

Radiation Source
ID #	Source	Type	Wavelength List	Synchrotron Site	Beamline
1	SYNCHROTRON	ESRF BEAMLINE BM14	0.8856	ESRF	BM14

Data Collection

Overall
ID #	Resolution (High)	Resolution (Low)	Percent Possible (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	1.92	32.47	100	0.108	13	7.3	22375	22375

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	1.92	2.02	100		0.413	0.413	1.8	7.4	3219

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 (Depositor)	R-Work (DCC)	R-Free (Depositor)	R-Free (DCC)	R-Free Selection Details	Mean Isotropic B
X-RAY DIFFRACTION	MOLECULAR REPLACEMENT	THROUGHOUT	1.92	32.47	22358	1131	100	0.1469	0.145	0.1466	0.1818	0.1821	RANDOM	18.7967

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]
1.08			-0.12		-0.96

RMS Deviations
Key	Refinement Restraint Deviation
r_dihedral_angle_2_deg	35.83
r_dihedral_angle_4_deg	19.63
r_dihedral_angle_3_deg	13.825
r_scangle_it	6.346
r_dihedral_angle_1_deg	6.165
r_scbond_it	3.983
r_mcangle_it	2.466
r_angle_refined_deg	2.263
r_mcbond_it	1.518
r_chiral_restr	0.225

RMS Deviations
Key	Refinement Restraint Deviation
r_dihedral_angle_2_deg	35.83
r_dihedral_angle_4_deg	19.63
r_dihedral_angle_3_deg	13.825
r_scangle_it	6.346
r_dihedral_angle_1_deg	6.165
r_scbond_it	3.983
r_mcangle_it	2.466
r_angle_refined_deg	2.263
r_mcbond_it	1.518
r_chiral_restr	0.225
r_bond_refined_d	0.033
r_gen_planes_refined	0.014

Non-Hydrogen Atoms Used in Refinement
Non-Hydrogen Atoms	Number
Protein Atoms	1968
Nucleic Acid Atoms
Solvent Atoms	193
Heterogen Atoms	14

Software

Software
Software Name	Purpose
MOSFLM	data reduction
SCALA	data scaling
PHASER	phasing
REFMAC	refinement
PDB_EXTRACT	data extraction

RCSB PDB Core Operations are funded by the U.S. National Science Foundation (DBI-2321666), the US Department of Energy (DE-SC0019749), and the National Cancer Institute, National Institute of Allergy and Infectious Diseases, and National Institute of General Medical Sciences of the National Institutes of Health under grant R01GM157729.