Experiment: 3UCT

Structure of Mn2+-bound N-terminal domain of calmodulin in the presence of Zn2+

X-RAY DIFFRACTION

Crystallization

Crystalization Experiments
ID	Method	pH	Temperature	Details
1	VAPOR DIFFUSION, HANGING DROP	6.5	298	100MM TRIS-CACODYLATE, 25MM ZNCL2, 16% PEG8000, 100MM MNCL2, 20% ETHYLENE GLYCOL, pH 6.5, VAPOR DIFFUSION, HANGING DROP, temperature 298K

Crystal Properties
Matthews coefficient	Solvent content
2.13	42.25

Crystal Data

Unit Cell
Length ( Å )	Angle ( ˚ )
a = 36.288	α = 90
b = 35.463	β = 93.12
c = 58.343	γ = 90

Symmetry
Space Group	P 1 21 1

Diffraction

Diffraction Experiment
ID #	Crystal ID	Scattering Type	Data Collection Temperature	Detector	Detector Type	Details	Collection Date	Monochromator	Protocol
1	1	x-ray	100	CCD	ADSC QUANTUM 315r	NINE QUADRANT	2011-07-20	M	SINGLE WAVELENGTH

Radiation Source
ID #	Source	Type	Wavelength List	Synchrotron Site	Beamline
1	SYNCHROTRON	NSLS BEAMLINE X29A	1.758700, 1.075000	NSLS	X29A

Data Collection

Overall
ID #	Resolution (High)	Resolution (Low)	Percent Possible (Observed)	R Merge I (Observed)	Net I Over Average Sigma (I)	Redundancy	Number Reflections (All)	Number Reflections (Observed)	Observed Criterion Sigma (F)	Observed Criterion Sigma (I)	B (Isotropic) From Wilson Plot
1	1.9	58.257	100	0.069	26.6		11882	11882		2	32.02

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 (Depositor)	R-Work (DCC)	R-Free (Depositor)	R-Free (DCC)	Mean Isotropic B
X-RAY DIFFRACTION	SAD	1.9	36.234	1.94	11882	1088	99.65	0.2036	0.202	0.2042	0.2343	0.2381	39.7065

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]
2.6449		5.5487	-7.632		4.987

RMS Deviations
Key	Refinement Restraint Deviation
f_dihedral_angle_d	13.462
f_angle_d	1.218
f_chiral_restr	0.078
f_bond_d	0.017
f_plane_restr	0.005

Non-Hydrogen Atoms Used in Refinement
Non-Hydrogen Atoms	Number
Protein Atoms	1150
Nucleic Acid Atoms
Solvent Atoms	72
Heterogen Atoms	10

Software

Software
Software Name	Purpose
DENZO	data reduction
SCALA	data scaling
PHENIX	refinement
PDB_EXTRACT	data extraction
HKL-2000	data collection
SCALEPACK	data scaling
AutoSol	phasing