1QXY

Crystal structure of S. aureus methionine aminopeptidase in complex with a ketoheterocycle 618

X-RAY DIFFRACTION

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Crystallization

Crystalization Experiments
ID	Method	pH	Temperature	Details
1	MICROBATCH	5.5	294	PEG 3350, Bis-Tris, ammonium acetate, pH 5.5, microbatch, temperature 294K

Crystal Properties
Matthews coefficient	Solvent content
2.3	46.53

Crystal Data

Unit Cell
Length ( Å )	Angle ( ˚ )
a = 40.97	α = 90
b = 76.69	β = 104.5
c = 41.66	γ = 90

Symmetry
Space Group	P 1 21 1

Diffraction

Diffraction Experiment
ID #	Crystal ID	Scattering Type	Data Collection Temperature	Detector	Detector Type	Details	Collection Date	Monochromator	Protocol
1	1	x-ray	200	CCD	MARRESEARCH		2003-06-15	M	SINGLE WAVELENGTH

Radiation Source
ID #	Source	Type	Wavelength List	Synchrotron Site	Beamline
1	SYNCHROTRON	SLS BEAMLINE X06SA	0.8	SLS	X06SA

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	1.04	20		0.063	10.2	4.5	119267	116762	3	3

Highest Resolution Shell
ID #	Resolution (High)	Resolution (Low)	Percent Possible (All)	Percent Possible (Observed)	R-Sym I (Observed)	Mean I Over Sigma (Observed)	Redundancy	Number Unique Reflections (All)
	1.04	1.1	97.1		0.491	2.6

Refinement

Statistics
Diffraction ID	Structure Solution Method	Cross Validation method	Resolution (High)	Resolution (Low)	Number Reflections (All)	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	MOLECULAR REPLACEMENT	THROUGHOUT	1.04	20	116762	112974	5957	99.81	0.14358	0.14248	0.16512	RANDOM	10.05

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]
0.18		0.33	-0.32		0.31

RMS Deviations
Key	Refinement Restraint Deviation
r_dihedral_angle_3_deg	15.861
r_dihedral_angle_1_deg	5.877
r_sphericity_free	4.729
r_scangle_it	4.393
r_sphericity_bonded	3.777
r_scbond_it	2.843
r_mcangle_it	2.238
r_angle_refined_deg	1.777
r_rigid_bond_restr	1.598
r_mcbond_it	1.505
r_angle_other_deg	0.786
r_nbd_refined	0.429
r_symmetry_vdw_refined	0.415
r_symmetry_hbond_refined	0.249
r_nbd_other	0.214
r_xyhbond_nbd_refined	0.195
r_symmetry_vdw_other	0.154
r_chiral_restr	0.116
r_bond_refined_d	0.017
r_gen_planes_other	0.011
r_gen_planes_refined	0.01
r_bond_other_d	0.001
r_dihedral_angle_2_deg
r_dihedral_angle_4_deg
r_nbtor_refined
r_nbtor_other
r_xyhbond_nbd_other
r_metal_ion_refined
r_metal_ion_other
r_symmetry_hbond_other

Non-Hydrogen Atoms Used in Refinement
Non-Hydrogen Atoms	Number
Protein Atoms	1909
Nucleic Acid Atoms
Solvent Atoms	393
Heterogen Atoms	22

Software

Software
Software Name	Purpose
REFMAC	refinement
XDS	data reduction
CCP4	data scaling
AMoRE	phasing