1Y0W

T-to-THigh quaternary Transitions in Human Hemoglobin: betaV1M 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	1A0U	pdb entry 1A0U

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
2.56	51.93

Crystal Data

Unit Cell
Length ( Å )	Angle ( ˚ )
a = 97.2	α = 90
b = 99.3	β = 90
c = 65.9	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	1995-08-01	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	2.14	50	98.1	0.079	11.2	7.6	35230	35203

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)
	2.14	2.3	91		0.173	2.9	3.5	6448

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 1A0U	2.14	10	31252	3520	97.94	0.16879	0.16616	0.19227	random: 10 mutually exclusvie test sets	24.799

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]
-0.51			1.61		-1.1

RMS Deviations
Key	Refinement Restraint Deviation
r_dihedral_angle_3_deg	17.041
r_scangle_it	4.189
r_dihedral_angle_1_deg	3.549
r_scbond_it	2.528
r_angle_refined_deg	1.678
r_mcangle_it	1.664
r_angle_other_deg	1.157
r_mcbond_it	0.837
r_symmetry_vdw_other	0.436
r_nbd_refined	0.232
r_symmetry_vdw_refined	0.217
r_nbd_other	0.194
r_xyhbond_nbd_refined	0.167
r_symmetry_hbond_refined	0.148
r_chiral_restr	0.094
r_bond_refined_d	0.014
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	4386
Nucleic Acid Atoms
Solvent Atoms	175
Heterogen Atoms	172

Software

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