1TU9

Crystal Structure of a Protein PA3967, a Structurally Highly Homologous to a Human Hemoglobin, from Pseudomonas aeruginosa PAO1

X-RAY DIFFRACTION

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Crystallization

Crystalization Experiments
ID	Method	pH	Temperature	Details
1	VAPOR DIFFUSION, HANGING DROP		298	PEG3350, sodium acetate, VAPOR DIFFUSION, HANGING DROP, temperature 298K

Crystal Properties
Matthews coefficient	Solvent content
2.5	50.7

Crystal Data

Unit Cell
Length ( Å )	Angle ( ˚ )
a = 52.557	α = 90
b = 52.557	β = 90
c = 182.628	γ = 120

Symmetry
Space Group	P 61 2 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 315	mirrors	2004-06-14	M	SINGLE WAVELENGTH
2	1	x-ray	100	CCD	SBC-2	mirrors	2004-06-14	M	MAD
1,2	1

Radiation Source
ID #	Source	Type	Wavelength List	Synchrotron Site	Beamline
1	SYNCHROTRON	APS BEAMLINE 19-ID	0.9794	APS	19-ID
2	SYNCHROTRON	APS BEAMLINE 19-ID	1.74031, 1.74127, 1.6270	APS	19-ID

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	1.2	45.64	94.4	0.042	10.2	10.4	47042	45270

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	1.2	1.24	75.6		0.458	1.7	3.7

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 (All)	R-Factor (Observed)	R-Work	R-Free	R-Free Selection Details	Mean Isotropic B
X-RAY DIFFRACTION	MAD	THROUGHOUT	1.2	45.64	40732	40732	4538	94.67	0.164	0.164	0.16118	0.19057	RANDOM	10.409

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	0.09		0.18		-0.27

RMS Deviations
Key	Refinement Restraint Deviation
r_dihedral_angle_2_deg	22.353
r_dihedral_angle_4_deg	16.077
r_dihedral_angle_3_deg	12.624
r_dihedral_angle_1_deg	3.845
r_scangle_it	3.736
r_sphericity_free	3.289
r_scbond_it	2.677
r_rigid_bond_restr	2.035
r_sphericity_bonded	1.934
r_mcangle_it	1.558
r_angle_refined_deg	1.481
r_mcbond_it	1.453
r_angle_other_deg	1.132
r_mcbond_other	0.422
r_nbd_refined	0.406
r_symmetry_vdw_other	0.302
r_nbd_other	0.282
r_xyhbond_nbd_refined	0.213
r_chiral_restr	0.185
r_symmetry_hbond_refined	0.154
r_symmetry_vdw_refined	0.148
r_nbtor_other	0.113
r_metal_ion_refined	0.094
r_bond_refined_d	0.012
r_gen_planes_refined	0.008
r_bond_other_d	0.003
r_gen_planes_other	0.003
r_nbtor_refined
r_xyhbond_nbd_other
r_metal_ion_other
r_symmetry_hbond_other

Non-Hydrogen Atoms Used in Refinement
Non-Hydrogen Atoms	Number
Protein Atoms	1030
Nucleic Acid Atoms
Solvent Atoms	272
Heterogen Atoms	56

Software

Software
Software Name	Purpose
REFMAC	refinement
SBC-Collect	data collection
HKL-2000	data reduction
HKL-2000	data scaling
SHELXD	phasing
CCP4	phasing
RESOLVE	phasing