1T0H

Crystal structure of the Rattus norvegicus voltage gated calcium channel beta subunit isoform 2a

X-RAY DIFFRACTION

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Crystallization

Crystalization Experiments
ID	Method	pH	Temperature	Details
1	VAPOR DIFFUSION, HANGING DROP	8	281	Tris-Cl, NaCl, PEG 4000, pH 8, VAPOR DIFFUSION, HANGING DROP, temperature 281K

Crystal Properties
Matthews coefficient	Solvent content
2.3	45.2

Crystal Data

Unit Cell
Length ( Å )	Angle ( ˚ )
a = 36.176	α = 107.34
b = 45.26	β = 95.75
c = 58.701	γ = 97

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	100	CCD	ADSC QUANTUM 4		2004-01-18	M	MAD

Radiation Source
ID #	Source	Type	Wavelength List	Synchrotron Site	Beamline
1	SYNCHROTRON	ALS BEAMLINE 8.3.1	1.0199, 0.9796	ALS	8.3.1

Data Collection

Overall
ID #	Resolution (High)	Resolution (Low)	Percent Possible (Observed)	R Sym 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	1.97	30	100	0.069	27.51	5.19	24274	24274	1	1	31.255

Highest Resolution Shell
ID #	Resolution (High)	Resolution (Low)	Percent Possible (All)	Percent Possible (Observed)	R-Sym I (Observed)	Mean I Over Sigma (Observed)	Redundancy	Number Unique Reflections (All)
	1.97	2.04	96.5		0.305	2.45	2.17	2402

Refinement

Statistics
Diffraction ID	Structure Solution Method	Cross Validation method	Resolution (High)	Resolution (Low)	Number Reflections (All)	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	1.97	55.05	24274	22945	1214	97.83	0.18693	0.18547	0.21321	RANDOM	23.714

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]
-0.17	-0.31	0.32	-0.41	-0.4	0.33

RMS Deviations
Key	Refinement Restraint Deviation
r_dihedral_angle_1_deg	6.165
r_scangle_it	4.988
r_scbond_it	2.983
r_mcangle_it	1.744
r_angle_refined_deg	1.48
r_mcbond_it	0.911
r_angle_other_deg	0.84
r_symmetry_vdw_other	0.286
r_nbd_other	0.24
r_nbd_refined	0.212
r_symmetry_vdw_refined	0.17
r_xyhbond_nbd_refined	0.147
r_symmetry_hbond_refined	0.104
r_nbtor_other	0.088
r_chiral_restr	0.085
r_bond_refined_d	0.016
r_gen_planes_refined	0.006
r_gen_planes_other	0.003
r_bond_other_d	0.002

Non-Hydrogen Atoms Used in Refinement
Non-Hydrogen Atoms	Number
Protein Atoms	2228
Nucleic Acid Atoms
Solvent Atoms	148
Heterogen Atoms	1

Software

Software
Software Name	Purpose
REFMAC	refinement
DENZO	data reduction
SCALEPACK	data scaling
CNS	phasing