3CLN

STRUCTURE OF CALMODULIN REFINED AT 2.2 ANGSTROMS RESOLUTION

X-RAY DIFFRACTION

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Crystallization

Crystal Properties
Matthews coefficient	Solvent content
2.36	47.91

Crystal Data

Unit Cell
Length ( Å )	Angle ( ˚ )
a = 29.71	α = 94.13
b = 53.79	β = 97.57
c = 24.99	γ = 89.46

Symmetry
Space Group	P 1

Refinement

Statistics
Diffraction ID	Structure Solution Method	Resolution (High)	Resolution (Low)	Number Reflections (R-Free)	Percent Reflections (Observed)	R-Factor (Observed)	R-Work	R-Free	Mean Isotropic B
X-RAY DIFFRACTION		2.2				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_scangle_it	3.71
p_scbond_it	2.41
p_planar_tor	2.3
p_mcangle_it	2
p_mcbond_it	1.3
p_multtor_nbd	0.274
p_singtor_nbd	0.206
p_xhyhbond_nbd	0.18
p_chiral_restr	0.162
p_planar_d	0.044
p_angle_d	0.034
p_bond_d	0.016
p_plane_restr	0.012
p_angle_deg
p_hb_or_metal_coord
p_xyhbond_nbd
p_staggered_tor
p_orthonormal_tor
p_transverse_tor
p_special_tor

Non-Hydrogen Atoms Used in Refinement
Non-Hydrogen Atoms	Number
Protein Atoms	1126
Nucleic Acid Atoms
Solvent Atoms	69
Heterogen Atoms	4

Software

Software
Software Name	Purpose
PROLSQ	refinement