3DVM

Crystal Structure of Ca2+/CaM-CaV2.1 IQ domain complex

X-RAY DIFFRACTION

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Crystallization

Crystalization Experiments
ID	Method	pH	Temperature	Details
1	VAPOR DIFFUSION, HANGING DROP	5.5	292	0.1 M Bis-Tris, 25 % PEG 3350, pH 5.5, VAPOR DIFFUSION, HANGING DROP, temperature 292K

Crystal Properties
Matthews coefficient	Solvent content
2.38	48.33

Crystal Data

Unit Cell
Length ( Å )	Angle ( ˚ )
a = 43.956	α = 90
b = 43.956	β = 90
c = 337.87	γ = 120

Symmetry
Space Group	P 61 2 2

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 315		2008-02-22	M	SINGLE WAVELENGTH
2	1	x-ray	100	CCD	ADSC QUANTUM 315		2008-02-22	M	MAD
3	1	x-ray	100	CCD	ADSC QUANTUM 315		2008-02-22	M	MAD
4	1	x-ray	100	CCD	ADSC QUANTUM 315		2008-02-22	M	MAD
1,2,3,4	1

Radiation Source
ID #	Source	Type	Wavelength List	Synchrotron Site	Beamline
1	SYNCHROTRON	ALS BEAMLINE 8.3.1	1.11587	ALS	8.3.1
2	SYNCHROTRON	ALS BEAMLINE 8.3.1	0.97957	ALS	8.3.1
3	SYNCHROTRON	ALS BEAMLINE 8.3.1	0.97969	ALS	8.3.1
4	SYNCHROTRON	ALS BEAMLINE 8.3.1	1.01987	ALS	8.3.1

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
1,2,3,4	2.6	20	94.7	0.055		16.4		6481

Highest Resolution Shell
ID #	Resolution (High)	Resolution (Low)	Percent Possible (All)	Percent Possible (Observed)	R Merge I (Observed)	Mean I Over Sigma (Observed)	Redundancy	Number Unique Reflections (All)
1,2,3,4	2.6	2.69	72.3		0.272		9.8	456

Refinement

Statistics
Diffraction ID	Structure Solution Method	Cross Validation method	Resolution (High)	Resolution (Low)	Number Reflections (Observed)	Number Reflections (R-Free)	Percent Reflections (Observed)	R-Factor (Observed)	R-Work	R-Free	R-Free Selection Details	Mean Isotropic B
X-RAY DIFFRACTION	MAD	THROUGHOUT	2.6	20	6460	310	95.7	0.278	0.276	0.32	RANDOM	58.034

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]
2.28	1.14		2.28		-3.42

RMS Deviations
Key	Refinement Restraint Deviation
r_dihedral_angle_2_deg	31.479
r_dihedral_angle_4_deg	22.112
r_dihedral_angle_3_deg	17.079
r_dihedral_angle_1_deg	6.658
r_scangle_it	4.312
r_mcangle_it	3.885
r_scbond_it	3.028
r_mcbond_it	2.422
r_angle_refined_deg	1.353
r_chiral_restr	0.081
r_bond_refined_d	0.015
r_gen_planes_refined	0.006

Non-Hydrogen Atoms Used in Refinement
Non-Hydrogen Atoms	Number
Protein Atoms	1174
Nucleic Acid Atoms
Solvent Atoms	10
Heterogen Atoms	4

Software

Software
Software Name	Purpose
DENZO	data reduction
SCALEPACK	data scaling
SOLVE	phasing
RESOLVE	phasing
REFMAC	refinement
PDB_EXTRACT	data extraction
HKL-2000	data collection
HKL-2000	data reduction
HKL-2000	data scaling