1CLL

CALMODULIN STRUCTURE REFINED AT 1.7 ANGSTROMS RESOLUTION

X-RAY DIFFRACTION

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Crystallization

Crystal Properties
Matthews coefficient	Solvent content
2.41	48.89

Crystal Data

Unit Cell
Length ( Å )	Angle ( ˚ )
a = 30.17	α = 93.62
b = 53.6	β = 97.3
c = 25.14	γ = 89.17

Symmetry
Space Group	P 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)	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		1.7	10	0.5	14469			0.216

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	26.6
p_staggered_tor	21.4
p_scangle_it	4.2
p_scbond_it	3
p_mcangle_it	2.5
p_mcbond_it	2
p_planar_tor	1.6
p_multtor_nbd	0.304
p_xhyhbond_nbd	0.281
p_singtor_nbd	0.199
p_chiral_restr	0.152
p_planar_d	0.04
p_angle_d	0.032
p_bond_d	0.009
p_plane_restr	0.007
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	1133
Nucleic Acid Atoms
Solvent Atoms	142
Heterogen Atoms	4

Software

Software
Software Name	Purpose
MERLOT	phasing
PROLSQ	refinement