2RAO

X ray crystal structure of rabbit hemoglobin (oxy form) at 2.0 angstrom resolution

X-RAY DIFFRACTION

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Crystallization

Crystalization Experiments
ID	Method	pH	Temperature	Details
1	VAPOR DIFFUSION, HANGING DROP	7		PEG 3350, pH 7.0, VAPOR DIFFUSION, HANGING DROP

Crystal Properties
Matthews coefficient	Solvent content
2.36	47.89

Crystal Data

Unit Cell
Length ( Å )	Angle ( ˚ )
a = 54.608	α = 67.23
b = 54.862	β = 66.35
c = 64.021	γ = 60.68

Symmetry
Space Group	P 1

Diffraction

Diffraction Experiment
ID #	Crystal ID	Scattering Type	Data Collection Temperature	Detector	Detector Type	Details	Collection Date	Monochromator	Protocol
1	1	x-ray	293	IMAGE PLATE	MARRESEARCH		2007-03-03	M	SINGLE WAVELENGTH

Radiation Source
ID #	Source	Type	Wavelength List	Synchrotron Site	Beamline
1	ROTATING ANODE	RIGAKU RU300	1.5418

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	2	46.5	92.7	0.075	6.9	2.47		35152

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	2	2.07	91.5		0.3152	1.4

Refinement

Statistics
Diffraction ID	Structure Solution Method	Cross Validation method	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	2	27.3	34297	1796	92.71	0.17386	0.17148	0.21911	RANDOM	25.309

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]

RMS Deviations
Key	Refinement Restraint Deviation
r_dihedral_angle_2_deg	38.272
r_dihedral_angle_3_deg	16.502
r_dihedral_angle_4_deg	13.683
r_dihedral_angle_1_deg	5.791
r_scangle_it	4.564
r_scbond_it	3.002
r_mcangle_it	1.961
r_angle_refined_deg	1.635
r_mcbond_it	1.165
r_nbtor_refined	0.302
r_nbd_refined	0.228
r_metal_ion_refined	0.186
r_symmetry_vdw_refined	0.181
r_symmetry_hbond_refined	0.174
r_xyhbond_nbd_refined	0.152
r_chiral_restr	0.112
r_bond_refined_d	0.019
r_gen_planes_refined	0.007
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_other
r_rigid_bond_restr
r_sphericity_free
r_sphericity_bonded

Non-Hydrogen Atoms Used in Refinement
Non-Hydrogen Atoms	Number
Protein Atoms	4454
Nucleic Acid Atoms
Solvent Atoms	199
Heterogen Atoms	180

Software

Software
Software Name	Purpose
REFMAC	refinement
AUTOMAR	data reduction
PHASES	phasing