1MNI

ALTERATION OF AXIAL COORDINATION BY PROTEIN ENGINEERING IN MYOGLOBIN. BIS-IMIDAZOLE LIGATION IN THE HIS64-->VAL(SLASH)VAL68-->HIS DOUBLE MUTANT

X-RAY DIFFRACTION

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Crystallization

Crystal Properties
Matthews coefficient	Solvent content
3.57	65.54

Crystal Data

Unit Cell
Length ( Å )	Angle ( ˚ )
a = 124.49	α = 90
b = 42.28	β = 92.62
c = 92.27	γ = 90

Symmetry
Space Group	I 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)	Number Reflections (Observed)	Number Reflections (R-Free)	Percent Reflections (Observed)	R-Factor (Observed)	R-Work	R-Free	Mean Isotropic B
X-RAY DIFFRACTION		2.07	10	26337			0.175

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	36.962
p_staggered_tor	20.892
p_scangle_it	8.171
p_scbond_it	5.158
p_planar_tor	2.573
p_mcangle_it	1.59
p_mcbond_it	0.941
p_xhyhbond_nbd	0.219
p_multtor_nbd	0.209
p_singtor_nbd	0.208
p_chiral_restr	0.121
p_planar_d	0.062
p_angle_d	0.055
p_bond_d	0.017
p_plane_restr	0.014
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	2392
Nucleic Acid Atoms
Solvent Atoms	201
Heterogen Atoms	86

Software

Software
Software Name	Purpose
ARP/wARP	model building
PROLSQ	refinement