2QMB

Structure determination of haemoglobin from Turkey(meleagris gallopavo) at 2.8 Angstrom resolution

X-RAY DIFFRACTION

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Crystallization

Crystalization Experiments
ID	Method	pH	Temperature	Details
1	VAPOR DIFFUSION, HANGING DROP	8	293	10mM Tris-HCl, 35% PEG 3350, pH 8.0, VAPOR DIFFUSION, HANGING DROP, temperature 293.0K

Crystal Properties
Matthews coefficient	Solvent content
2.15	42.83

Crystal Data

Unit Cell
Length ( Å )	Angle ( ˚ )
a = 66	α = 90
b = 79.795	β = 90
c = 103.92	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	293	IMAGE PLATE	MARRESEARCH		2006-06-04	M	SINGLE WAVELENGTH

Radiation Source
ID #	Source	Type	Wavelength List	Synchrotron Site	Beamline
1	ROTATING ANODE	RIGAKU RU300	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	2.8	50	98.67	0.176	3.3	4.18		13851

Highest Resolution Shell
ID #	Resolution (High)	Resolution (Low)	Percent Possible (All)	Percent Possible (Observed)	Mean I Over Sigma (Observed)	Redundancy	Number Unique Reflections (All)
1	2.8	2.9	99.3			3.94	1430

Refinement

Statistics
Diffraction ID	Structure Solution Method	Cross Validation method	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	2.8	25.43	12788	1042	98.67	0.18029	0.17181	0.28356	RANDOM	42.397

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]
0.04			-0.09		0.06

RMS Deviations
Key	Refinement Restraint Deviation
r_dihedral_angle_2_deg	41.172
r_dihedral_angle_3_deg	26.541
r_dihedral_angle_4_deg	21.004
r_dihedral_angle_1_deg	9.763
r_scangle_it	6.866
r_scbond_it	4.789
r_angle_refined_deg	3.343
r_mcangle_it	2.971
r_mcbond_it	2.081
r_symmetry_vdw_refined	0.549
r_nbtor_refined	0.368
r_symmetry_hbond_refined	0.359
r_nbd_refined	0.331
r_xyhbond_nbd_refined	0.258
r_metal_ion_refined	0.203
r_chiral_restr	0.187
r_bond_refined_d	0.041
r_gen_planes_refined	0.013
r_bond_other_d
r_angle_other_deg
r_gen_planes_other
r_nbd_other
r_nbtor_other
r_xyhbond_nbd_other
r_metal_ion_other
r_symmetry_vdw_other
r_symmetry_hbond_other
r_symmetry_metal_ion_refined
r_symmetry_metal_ion_other
r_mcbond_other
r_rigid_bond_restr
r_sphericity_free
r_sphericity_bonded

Non-Hydrogen Atoms Used in Refinement
Non-Hydrogen Atoms	Number
Protein Atoms	4470
Nucleic Acid Atoms
Solvent Atoms
Heterogen Atoms	180

Software

Software
Software Name	Purpose
REFMAC	refinement
AUTOMAR	data reduction
AMoRE	phasing