1XZ2

wild-type hemoglobin deoxy no-salt

X-RAY DIFFRACTION

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Crystallization

Crystalization Experiments
ID	Method	pH	Temperature	Details
1	batch	7	298	12% PEG 1450, 10 mg/ml Hb, pH 7.0, batch, temperature 298.0K

Crystal Properties
Matthews coefficient	Solvent content
2.41	49.02

Crystal Data

Unit Cell
Length ( Å )	Angle ( ˚ )
a = 83.9	α = 90
b = 112.1	β = 90
c = 63.7	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	298	AREA DETECTOR	SDMS	graphite	1994-03-07	M	SINGLE WAVELENGTH

Radiation Source
ID #	Source	Type	Wavelength List	Synchrotron Site	Beamline
1	ROTATING ANODE	RIGAKU RU200	1.5418

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	1.93	50	96.6	0.059	12.4	9	44690	44690

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)
	1.93	2.07	83.2		0.185	2.9	5.8	7546

Refinement

Statistics
Diffraction ID	Structure Solution Method	Cross Validation method	Starting model	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	pdb entry 1HBB	1.9	10	44690	39820	4386	92.69	0.17136	0.16816	0.20094	RANDOM	19.663

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]
-0.05			0.3		-0.25

RMS Deviations
Key	Refinement Restraint Deviation
r_dihedral_angle_3_deg	15.832
r_scangle_it	3.787
r_dihedral_angle_1_deg	3.277
r_scbond_it	2.305
r_angle_refined_deg	1.491
r_mcangle_it	1.405
r_angle_other_deg	1.056
r_mcbond_it	0.699
r_symmetry_vdw_other	0.245
r_nbd_refined	0.224
r_symmetry_vdw_refined	0.223
r_xyhbond_nbd_refined	0.198
r_nbd_other	0.187
r_symmetry_hbond_refined	0.144
r_chiral_restr	0.077
r_bond_refined_d	0.014
r_gen_planes_refined	0.006
r_gen_planes_other	0.005
r_bond_other_d

Non-Hydrogen Atoms Used in Refinement
Non-Hydrogen Atoms	Number
Protein Atoms	4384
Nucleic Acid Atoms
Solvent Atoms	189
Heterogen Atoms	172

Software

Software
Software Name	Purpose
REFMAC	refinement
SDMS	data reduction
SDMS	data scaling
X-PLOR	phasing