4OAE

Crystal structure of a GNAT superfamily acetyltransferase PA4794 C29A/C117A/Y128A mutant in complex with chloramphenicol

X-RAY DIFFRACTION

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Starting Model(s)

Initial Refinement Model(s)
Type	Source	Accession Code	Details
experimental model	PDB	4KUA	PDB ENTRY 4KUA

Crystallization

Crystalization Experiments
ID	Method	pH	Temperature	Details
1	VAPOR DIFFUSION, HANGING DROP	6.5	289	2M ammonium sulfate, 0.1M Bis-Tris pH 6.5, VAPOR DIFFUSION, HANGING DROP, temperature 289K

Crystal Properties
Matthews coefficient	Solvent content
2.42	49.2

Crystal Data

Unit Cell
Length ( Å )	Angle ( ˚ )
a = 57.88	α = 90
b = 75.626	β = 90
c = 39.482	γ = 90

Symmetry
Space Group	P 21 21 2

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 315r	mirrors	2012-11-12	M	SINGLE WAVELENGTH

Radiation Source
ID #	Source	Type	Wavelength List	Synchrotron Site	Beamline
1	SYNCHROTRON	APS BEAMLINE 19-ID	0.91837	APS	19-ID

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	1.25	50	99.9	0.053	0.053	43.7	7.3	48658	48658		-3	13.6

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	1.25	1.27	100		0.747	0.747	2.4	6.3	2440

Refinement

Statistics
Diffraction ID	Structure Solution Method	Cross Validation method	Starting model	Resolution (High)	Resolution (Low)	Number Reflections (All)	Number Reflections (Observed)	Number Reflections (R-Free)	Percent Reflections (Observed)	R-Factor (All)	R-Factor (Observed)	R-Work	R-Free	R-Free Selection Details	Mean Isotropic B
X-RAY DIFFRACTION	MOLECULAR REPLACEMENT	THROUGHOUT	PDB ENTRY 4KUA	1.25	45.96	46151	46151	2456	99.92	0.1221	0.1221	0.12037	0.15476	RANDOM	19.185

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]
-0.42			-0.85		1.26

RMS Deviations
Key	Refinement Restraint Deviation
r_sphericity_free	42.413
r_dihedral_angle_2_deg	34.3
r_dihedral_angle_4_deg	17.615
r_sphericity_bonded	17.322
r_dihedral_angle_3_deg	11.088
r_rigid_bond_restr	8.645
r_dihedral_angle_1_deg	5.667
r_long_range_B_other	5.334
r_long_range_B_refined	5.331
r_scangle_other	4.818
r_scbond_other	4.599
r_scbond_it	4.596
r_angle_other_deg	3.504
r_mcangle_other	1.978
r_mcangle_it	1.97
r_angle_refined_deg	1.92
r_mcbond_it	1.773
r_mcbond_other	1.661
r_chiral_restr	0.108
r_bond_refined_d	0.018
r_gen_planes_other	0.015
r_gen_planes_refined	0.01
r_bond_other_d
r_nbd_refined
r_nbd_other
r_nbtor_refined
r_nbtor_other
r_xyhbond_nbd_refined
r_xyhbond_nbd_other
r_metal_ion_refined
r_metal_ion_other
r_symmetry_vdw_refined
r_symmetry_vdw_other
r_symmetry_hbond_refined
r_symmetry_hbond_other
r_symmetry_metal_ion_refined
r_symmetry_metal_ion_other
r_scangle_it

Non-Hydrogen Atoms Used in Refinement
Non-Hydrogen Atoms	Number
Protein Atoms	1239
Nucleic Acid Atoms
Solvent Atoms	242
Heterogen Atoms	102

Software

Software
Software Name	Purpose
HKL-3000	data collection
DENZO	data reduction
SCALEPACK	data scaling
REFMAC	refinement
Coot	model building
HKL-3000	data reduction
HKL-3000	data scaling