2MGH

HIGH RESOLUTION CRYSTAL STRUCTURES OF FIVE DISTAL HISTIDINE MUTANTS OF SPERM WHALE MYOGLOBIN

X-RAY DIFFRACTION

---

Crystallization

Crystal Properties
Matthews coefficient	Solvent content
3.17	61.23

Crystal Data

Unit Cell
Length ( Å )	Angle ( ˚ )
a = 91.2	α = 90
b = 91.2	β = 90
c = 45.87	γ = 120

Symmetry
Space Group	P 6

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	5	12870			0.171

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	35
p_staggered_tor	18.4
p_scangle_it	4.446
p_planar_tor	3.2
p_scbond_it	2.976
p_mcangle_it	2.166
p_mcbond_it	1.531
p_xhyhbond_nbd	0.419
p_multtor_nbd	0.325
p_singtor_nbd	0.199
p_chiral_restr	0.176
p_planar_d	0.053
p_angle_d	0.034
p_plane_restr	0.024
p_bond_d	0.02
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	1224
Nucleic Acid Atoms
Solvent Atoms	170
Heterogen Atoms	49

Software

Software
Software Name	Purpose
PROFFT	refinement