1CBL

THE 1.9 ANGSTROM STRUCTURE OF DEOXY-BETA4 HEMOGLOBIN: ANALYSIS OF THE PARTITIONING OF QUATERNARY-ASSOCIATED AND LIGAND-INDUCED CHANGES IN TERTIARY STRUCTURE

X-RAY DIFFRACTION

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Crystallization

Crystal Properties
Matthews coefficient	Solvent content
2.2	44.2

Crystal Data

Unit Cell
Length ( Å )	Angle ( ˚ )
a = 63	α = 90
b = 81.8	β = 89.7
c = 54.4	γ = 90

Symmetry
Space Group	P 1 21 1

Diffraction

Diffraction Experiment
ID #	Crystal ID	Scattering Type	Data Collection Temperature	Detector	Detector Type	Details	Collection Date	Monochromator	Protocol
1	1	x-ray

Refinement

Statistics
Diffraction ID	Structure Solution Method	Resolution (High)	Resolution (Low)	Cut-off Sigma (F)	Number Reflections (Observed)	Number Reflections (R-Free)	Percent Reflections (Observed)	R-Factor (Observed)	R-Work	R-Free	Mean Isotropic B
X-RAY DIFFRACTION		1.8	10	2	46515			0.19

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_orthonormal_tor	31.1
p_staggered_tor	22.2
p_scangle_it	13.4
p_scbond_it	9.2
p_mcangle_it	5.1
p_planar_tor	3.7
p_mcbond_it	3.5
p_multtor_nbd	0.191
p_singtor_nbd	0.183
p_xhyhbond_nbd	0.173
p_chiral_restr	0.164
p_planar_d	0.054
p_angle_d	0.033
p_bond_d	0.013
p_plane_restr	0.013
p_angle_deg
p_hb_or_metal_coord
p_xyhbond_nbd
p_transverse_tor
p_special_tor

Non-Hydrogen Atoms Used in Refinement
Non-Hydrogen Atoms	Number
Protein Atoms	4492
Nucleic Acid Atoms
Solvent Atoms	71
Heterogen Atoms	192

Software

Software
Software Name	Purpose
PROLSQ	refinement
TNT	refinement