1Y4B

T-To-T(High) quaternary transitions in human hemoglobin: betaW37H deoxy low-salt (10 test sets)

X-RAY DIFFRACTION

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Starting Model(s)

Initial Refinement Model(s)
Type	Source	Accession Code	Details
experimental model	PDB	1Y0W	PDB ENTRY 1Y0W

Crystallization

Crystalization Experiments
ID	Method	pH	Temperature	Details
1	batch	7	298	10% PEG 6000, 10 mM potassium phosphate, 100 mM potassium chloride, 3 mM sodium dithionite, 10 mg/ml Hb, pH 7.0, batch, temperature 298K

Crystal Properties
Matthews coefficient	Solvent content
2.54	51.61

Crystal Data

Unit Cell
Length ( Å )	Angle ( ˚ )
a = 96.8	α = 90
b = 98.6	β = 90
c = 66.1	γ = 90

Symmetry
Space Group	P 21 21 2

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		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)	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	50

Highest Resolution Shell
ID #	Resolution (High)	Resolution (Low)	Percent Possible (All)	Percent Possible (Observed)	Mean I Over Sigma (Observed)	Redundancy	Number Unique Reflections (All)
	2.1	2.29	87.6

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 1Y0W	2.1	10	32012	3484	95.38	0.19587	0.19122	0.23777	10 SETS MATCHED TO PDB ENTRY 1Y0W	19.996

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]
0.44			0.06		-0.49

RMS Deviations
Key	Refinement Restraint Deviation
r_dihedral_angle_3_deg	17.384
r_scangle_it	3.853
r_dihedral_angle_1_deg	3.61
r_scbond_it	2.423
r_angle_refined_deg	1.872
r_mcangle_it	1.477
r_angle_other_deg	1.194
r_mcbond_it	0.79
r_symmetry_vdw_other	0.302
r_nbd_refined	0.242
r_xyhbond_nbd_refined	0.221
r_nbd_other	0.207
r_symmetry_hbond_refined	0.202
r_symmetry_vdw_refined	0.146
r_chiral_restr	0.103
r_xyhbond_nbd_other	0.04
r_bond_refined_d	0.019
r_gen_planes_refined	0.007
r_gen_planes_other	0.006
r_bond_other_d	0.001

Non-Hydrogen Atoms Used in Refinement
Non-Hydrogen Atoms	Number
Protein Atoms	4378
Nucleic Acid Atoms
Solvent Atoms	175
Heterogen Atoms	172

Software

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