4CLN

STRUCTURE OF A RECOMBINANT CALMODULIN FROM DROSOPHILA MELANOGASTER REFINED AT 2.2-ANGSTROMS RESOLUTION

X-RAY DIFFRACTION

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Crystallization

Crystal Properties
Matthews coefficient	Solvent content
2.34	47.53

Crystal Data

Unit Cell
Length ( Å )	Angle ( ˚ )
a = 29.57	α = 93.24
b = 53.92	β = 97.08
c = 24.78	γ = 88.86

Symmetry
Space Group	P 1

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		2.2	10	2	5239			0.197

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	31.4
p_staggered_tor	26.3
p_planar_tor	2.7
p_mcangle_it	2.24
p_scangle_it	2.185
p_mcbond_it	1.465
p_scbond_it	1.444
p_multtor_nbd	0.428
p_xhyhbond_nbd	0.37
p_singtor_nbd	0.256
p_chiral_restr	0.224
p_planar_d	0.067
p_angle_d	0.043
p_bond_d	0.018
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	1164
Nucleic Acid Atoms
Solvent Atoms	78
Heterogen Atoms	4

Software

Software
Software Name	Purpose
PROLSQ	refinement