9WW1 | pdb_00009ww1

Oxy-bound rHb0.1WT beta homotetramer human hemoglobin

X-RAY DIFFRACTION

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Starting Model(s)

Initial Refinement Model(s)
Type	Source	Accession Code	Details
experimental model	PDB	1ABW

Crystallization

Crystalization Experiments
ID	Method	pH	Temperature	Details
1	VAPOR DIFFUSION	8.8	297.15	1.2 M Tri-sodium citrate pH 8.8, 15% PEG 8000

Crystal Properties
Matthews coefficient	Solvent content
2.14442873	43

Crystal Data

Unit Cell
Length ( Å )	Angle ( ˚ )
a = 53.804	α = 90
b = 80.947	β = 90.399
c = 62.683	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	PIXEL	RIGAKU HyPix-6000HE		2025-04-12	M	SINGLE WAVELENGTH

Radiation Source
ID #	Source	Type	Wavelength List	Synchrotron Site	Beamline
1	ROTATING ANODE	RIGAKU MICROMAX-007 HF	1.54184

Data Collection

Overall
ID #	Resolution (High)	Resolution (Low)	Percent Possible (Observed)	CC (Half)	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	27	99.9	0.998	16.1	4.02		36366

Highest Resolution Shell
ID #	Resolution (High)	Resolution (Low)	Percent Possible (All)	Percent Possible (Observed)	Rpim I (All)	Mean I Over Sigma (Observed)	Redundancy	Number Unique Reflections (All)
1	2	2.05	99.4		0.457	1.6	2.76

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 (All)	R-Work (Depositor)	R-Work (DCC)	R-Free (Depositor)	R-Free (DCC)	Mean Isotropic B
X-RAY DIFFRACTION	MOLECULAR REPLACEMENT	FREE R-VALUE	1ABW	2	22.497	36346	1817	99.863	0.196	0.1946	0.1947	0.2329	0.2329	28.268

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]
-0.105		-0.313	0.302		-0.193

RMS Deviations
Key	Refinement Restraint Deviation
r_dihedral_angle_3_deg	15.146
r_dihedral_angle_6_deg	14.908
r_dihedral_angle_2_deg	14.131
r_lrange_it	11.282
r_scangle_it	8.042
r_rigid_bond_restr	7.764
r_dihedral_angle_1_deg	5.624
r_scbond_it	5.156
r_mcangle_it	5.034
r_mcbond_it	3.185
r_angle_refined_deg	1.855
r_symmetry_nbd_refined	0.342
r_nbtor_refined	0.309
r_nbd_refined	0.227
r_symmetry_xyhbond_nbd_refined	0.227
r_xyhbond_nbd_refined	0.152
r_chiral_restr	0.13
r_metal_ion_refined	0.099
r_bond_refined_d	0.008
r_gen_planes_refined	0.007

Non-Hydrogen Atoms Used in Refinement
Non-Hydrogen Atoms	Number
Protein Atoms	4492
Nucleic Acid Atoms
Solvent Atoms	125
Heterogen Atoms	200

Software

Software
Software Name	Purpose
REFMAC	refinement
CrysalisPro	data reduction
CrysalisPro	data scaling
MOLREP	phasing