Experiment: 3S65

Structures and oxygen affinities of crystalline human hemoglobin C (beta6 Lys) in the R2 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		7.6	293	11% (w/v) polyethylene glycol 3350, 50mM HEPES buffer, 10% (v/v) glycerol, pH 7.6, Batch, temperature 293K

Crystal Properties
Matthews coefficient	Solvent content
2.36	47.95

Crystal Data

Unit Cell
Length ( Å )	Angle ( ˚ )
a = 57.784	α = 90
b = 58.748	β = 90
c = 172.869	γ = 90

Symmetry
Space Group	P 21 21 21

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		2010-11-26	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	1.8	50	86.4	0.046	24.6	3	47832	47832			35

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	1.8	1.86	63		0.601

Refinement

Statistics
Diffraction ID	Structure Solution Method	Starting model	Resolution (High)	Resolution (Low)	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	1.8	19.396	46010	46010	2336	83.07	0.2531	0.2531	0.2502	0.2457	0.3046	0.295	RANDOM

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]
5.7202			5.4654		-11.1856

RMS Deviations
Key	Refinement Restraint Deviation
f_dihedral_angle_d	16.983
f_angle_d	1.486
f_chiral_restr	0.081
f_bond_d	0.011
f_plane_restr	0.006

Non-Hydrogen Atoms Used in Refinement
Non-Hydrogen Atoms	Number
Protein Atoms	4384
Nucleic Acid Atoms
Solvent Atoms	67
Heterogen Atoms	180

Software

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