1EMY

CRYSTAL STRUCTURE OF ASIAN ELEPHANT (ELEPHAS MAXIMUS) CYANO-MET MYOGLOBIN AT 1.78 ANGSTROMS RESOLUTION. PHE 29 (B10) ACCOUNTS FOR ITS UNUSUAL LIGAND BINDING PROPERTIES

X-RAY DIFFRACTION

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Crystallization

Crystalization Experiments
ID	Method	pH	Temperature	Details
1				CRYSTALLIZATION CONDITIONS METHOD: HANGING DROP VAPOR DIFFUSION PRECIPITANT: 45% PEG 1000 BUFFER: 0.1M TRIS/HCL PH: 8.5 SALT: 0.15M MAGNESIUM ACETATE PROTEIN CONCENTRATION: 10MG/ML TEMPERATURE: 293K CRYSTAL SIZE: 0.8 X 0.4 X 0.3 MM

Crystal Properties
Matthews coefficient	Solvent content
2.03	39.41

Crystal Data

Unit Cell
Length ( Å )	Angle ( ˚ )
a = 33.51	α = 90
b = 58.59	β = 90
c = 70.44	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

Data Collection

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		1.78	8	2	12966			0.153	0.153		21.45

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
x_scangle_it	5.518
x_scbond_it	3.502
x_mcangle_it	2.579
x_mcbond_it	1.801
x_bond_d	0.019
x_bond_d_na
x_bond_d_prot
x_angle_d
x_angle_d_na
x_angle_d_prot
x_angle_deg
x_angle_deg_na
x_angle_deg_prot
x_dihedral_angle_d
x_dihedral_angle_d_na
x_dihedral_angle_d_prot
x_improper_angle_d
x_improper_angle_d_na
x_improper_angle_d_prot

Non-Hydrogen Atoms Used in Refinement
Non-Hydrogen Atoms	Number
Protein Atoms	1202
Nucleic Acid Atoms
Solvent Atoms	219
Heterogen Atoms	45

Software

Software
Software Name	Purpose
X-PLOR	model building
PROLSQ	refinement
X-PLOR	refinement
X-PLOR	phasing