2W72

DEOXYGENATED STRUCTURE OF A DISTAL SITE HEMOGLOBIN MUTANT PLUS XE

X-RAY DIFFRACTION

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Crystallization

Crystalization Experiments
ID	Method	pH	Temperature	Details
1		6.5		3.2M AMMONIUM SULPHATE 0.1M AMMONIUM PHOSPHATE 0.3M K PHOSPHATE PH 6.7

Crystal Properties
Matthews coefficient	Solvent content
2.4	32.5

Crystal Data

Unit Cell
Length ( Å )	Angle ( ˚ )
a = 61.957	α = 90
b = 82.447	β = 99.6
c = 53.531	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	100	CCD	MARRESEARCH		2000-05-09	M	SINGLE WAVELENGTH

Radiation Source
ID #	Source	Type	Wavelength List	Synchrotron Site	Beamline
1	SYNCHROTRON	EMBL/DESY, HAMBURG BEAMLINE BW7A		EMBL/DESY, HAMBURG	BW7A

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	1.07	17.6	91.1	0.04	25.8	4		250223		2	8.54

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	1.07	1.12	90.2		0.18	2.5	3.9

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	R-Free	R-Free Selection Details	Mean Isotropic B
X-RAY DIFFRACTION	MOLECULAR REPLACEMENT	THROUGHOUT	PDB ENTRY 1QI8	1.07	17.32	208179	11023	94.2	0.13	0.129	0.153	RANDOM	14.82

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]
-0.03		-0.04	0.07		-0.06

RMS Deviations
Key	Refinement Restraint Deviation
r_dihedral_angle_2_deg	34.202
r_dihedral_angle_3_deg	13.927
r_dihedral_angle_4_deg	12.626
r_sphericity_free	10.013
r_sphericity_bonded	6.634
r_dihedral_angle_1_deg	5.206
r_angle_refined_deg	1.899
r_rigid_bond_restr	1.878
r_metal_ion_refined	0.332
r_nbtor_refined	0.32
r_symmetry_vdw_refined	0.319
r_xyhbond_nbd_refined	0.279
r_nbd_refined	0.259
r_symmetry_hbond_refined	0.254
r_chiral_restr	0.121
r_bond_refined_d	0.016
r_gen_planes_refined	0.012
r_bond_other_d
r_angle_other_deg
r_gen_planes_other
r_nbd_other
r_nbtor_other
r_xyhbond_nbd_other
r_metal_ion_other
r_symmetry_vdw_other
r_symmetry_hbond_other
r_symmetry_metal_ion_refined
r_symmetry_metal_ion_other
r_mcbond_it
r_mcbond_other
r_mcangle_it
r_mcangle_other
r_scbond_it
r_scbond_other
r_scangle_it
r_scangle_other
r_long_range_B_refined
r_long_range_B_other

Non-Hydrogen Atoms Used in Refinement
Non-Hydrogen Atoms	Number
Protein Atoms	4399
Nucleic Acid Atoms
Solvent Atoms	814
Heterogen Atoms	235

Software

Software
Software Name	Purpose
REFMAC	refinement
DENZO	data reduction
SCALA	data scaling
MOLREP	phasing