3OCN | pdb_00003ocn

Crystal structure of penicillin-binding protein 3 from Pseudomonas aeruginosa in complex with ceftazidime

X-RAY DIFFRACTION

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Starting Model(s)

Initial Refinement Model(s)
Type	Source	Accession Code	Details
experimental model	PDB	3OCL

Crystallization

Crystalization Experiments
ID	Method	pH	Temperature	Details
1	VAPOR DIFFUSION, SITTING DROP	7.8	294	25%(w/v) polyethylene glycol 3350, 0.1M Bis-Tris propane, 1%(w/v) protamine sulphate, pH 7.8, VAPOR DIFFUSION, SITTING DROP, temperature 294K

Crystal Properties
Matthews coefficient	Solvent content
1.97	37.55

Crystal Data

Unit Cell
Length ( Å )	Angle ( ˚ )
a = 67.081	α = 90
b = 81.812	β = 90
c = 87.789	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		2010-03-07	M	SINGLE WAVELENGTH

Radiation Source
ID #	Source	Type	Wavelength List	Synchrotron Site	Beamline
1	SYNCHROTRON	DIAMOND BEAMLINE I02	0.9750	Diamond	I02

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	2.6	30	98.6	0.166	11.9	5.6		15047		-1.5

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	2.6	2.69	89.3		0.545	2.5	3.7	1331

Refinement

Statistics
Diffraction ID	Structure Solution Method	Cross Validation method	Starting model	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	3OCL	2.61	29.85	14178	746	97.7	0.20865	0.20587	0.2099	0.26264	0.2655	RANDOM	32.262

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]
3.88			-0.85		-3.03

RMS Deviations
Key	Refinement Restraint Deviation
r_dihedral_angle_2_deg	31.404
r_dihedral_angle_3_deg	16.063
r_dihedral_angle_4_deg	15.421
r_dihedral_angle_1_deg	5.401
r_angle_refined_deg	1.019
r_angle_other_deg	0.782
r_chiral_restr	0.056
r_bond_refined_d	0.006
r_gen_planes_refined	0.004
r_bond_other_d	0.001
r_gen_planes_other	0.001

Non-Hydrogen Atoms Used in Refinement
Non-Hydrogen Atoms	Number
Protein Atoms	3841
Nucleic Acid Atoms
Solvent Atoms	38
Heterogen Atoms	31

Software

Software
Software Name	Purpose
REFMAC	refinement
HKL-2000	data reduction
SCALEPACK	data scaling
REFMAC	phasing