1Y7D

T-To-T(High) quaternary transitions in human hemoglobin: betaP100G deoxy low-salt (1 test set)

X-RAY DIFFRACTION

Starting Model(s)

Initial Refinement Model(s)
Type	Source	Accession Code	Details
experimental model	PDB	1Y0T	PDB ENTRY 1Y0T

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
2.55	51.74

Crystal Data

Unit Cell
Length ( Å )	Angle ( ˚ )
a = 97	α = 90
b = 99.6	β = 90
c = 65.5	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	177	IMAGE PLATE	RIGAKU RAXIS IV	OSMIC MIRRORS	2001-06-25	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	1.9	25.2	92.6	0.052	11.2	3		46698

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)
	1.9	2.05	82.8		0.284	2.3	2.6	8500

Refinement

Statistics
Diffraction ID	Structure Solution Method	Cross Validation method	Starting model	Resolution (High)	Resolution (Low)	Cut-off Sigma (F)	Number Reflections (All)	Number Reflections (Observed)	Number Reflections (R-Free)	Percent Reflections (Observed)	R-Work	R-Free	R-Free Selection Details	Mean Isotropic B
X-RAY DIFFRACTION	MOLECULAR REPLACEMENT	THROUGHOUT	PDB ENTRY 1Y0T	1.9	10	2	42800	42569	2907	92.6	0.205	0.252	MATCHED TO PDB ENTRY 1Y0T	24.53

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
p_transverse_tor	31.9
p_staggered_tor	20.9
p_scangle_it	6.607
p_scbond_it	5.146
p_mcangle_it	3.269
p_mcbond_it	2.565
p_planar_tor	2.4
p_xyhbond_nbd	0.19
p_singtor_nbd	0.164
p_multtor_nbd	0.164

RMS Deviations
Key	Refinement Restraint Deviation
p_transverse_tor	31.9
p_staggered_tor	20.9
p_scangle_it	6.607
p_scbond_it	5.146
p_mcangle_it	3.269
p_mcbond_it	2.565
p_planar_tor	2.4
p_xyhbond_nbd	0.19
p_singtor_nbd	0.164
p_multtor_nbd	0.164
p_chiral_restr	0.16
p_hb_or_metal_coord	0.119
p_planar_d	0.042
p_angle_d	0.028
p_bond_d	0.013
p_plane_restr	0.012

Non-Hydrogen Atoms Used in Refinement
Non-Hydrogen Atoms	Number
Protein Atoms	4380
Nucleic Acid Atoms
Solvent Atoms	194
Heterogen Atoms	172

Software

Software
Software Name	Purpose
MOSFLM	data reduction
SCALA	data scaling
X-PLOR	model building
PROLSQ	refinement
CCP4	data scaling
X-PLOR	phasing

RCSB PDB Core Operations are funded by the U.S. National Science Foundation (DBI-2321666), the US Department of Energy (DE-SC0019749), and the National Cancer Institute, National Institute of Allergy and Infectious Diseases, and National Institute of General Medical Sciences of the National Institutes of Health under grant R01GM157729.