Experiment: 3S66

Structures and oxygen affinities of crystalline human hemoglobin C (beta6 Lys) in the R quaternary structures

X-RAY DIFFRACTION

Starting Model(s)

Initial Refinement Model(s)
Type	Source	Accession Code	Details
experimental model	PDB	1M9P	PDB ENTRY 1M9P

Crystallization

Crystalization Experiments
ID	Method	pH	Temperature	Details
1		7.2	293	1.65M phosphate buffer (0.528M NaH2PO4, 1.122M K2HPO4, pH 7.2), 10% (v/v) glycerol, 0.1% (w/v) D,L-homocysteine, Batch, temperature 293K

Crystal Properties
Matthews coefficient	Solvent content
2.17	43.43

Crystal Data

Unit Cell
Length ( Å )	Angle ( ˚ )
a = 53.097	α = 90
b = 53.097	β = 90
c = 191.526	γ = 90

Symmetry
Space Group	P 41 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	100	CCD	ADSC QUANTUM 210		2010-11-08	M	SINGLE WAVELENGTH

Radiation Source
ID #	Source	Type	Wavelength List	Synchrotron Site	Beamline
1	SYNCHROTRON	PHOTON FACTORY BEAMLINE BL-17A	1	Photon Factory	BL-17A

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	1.4	50	97.9	0.034	18	8.7	54017	54017			17

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	1.4	1.45	91.8		0.213

Refinement

Statistics
Diffraction ID	Structure Solution 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-Factor (All)	R-Factor (Observed)	R-Work (Depositor)	R-Work (DCC)	R-Free (Depositor)	R-Free (DCC)	R-Free Selection Details	Mean Isotropic B
X-RAY DIFFRACTION	MOLECULAR REPLACEMENT	PDB ENTRY 1M9P	1.401	18.773	0.35	53986	53986	2743	97.99	0.2097	0.2097	0.2084	0.2069	0.2331	0.2321	RANDOM	23.3344

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]
0.0431			0.0431		-0.0863

RMS Deviations
Key	Refinement Restraint Deviation
f_dihedral_angle_d	14.92
f_angle_d	1.079
f_chiral_restr	0.069
f_bond_d	0.007
f_plane_restr	0.006

Non-Hydrogen Atoms Used in Refinement
Non-Hydrogen Atoms	Number
Protein Atoms	2168
Nucleic Acid Atoms
Solvent Atoms	208
Heterogen Atoms	90

Software

Software
Software Name	Purpose
HKL-2000	data collection
MOLREP	phasing
PHENIX	refinement
HKL-2000	data reduction
HKL-2000	data scaling