2O3Q

Structural Basis for Formation and Hydrolysis of Calcium Messenger Cyclic ADP-ribose by Human CD38

X-RAY DIFFRACTION

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Starting Model(s)

Initial Refinement Model(s)
Type	Source	Accession Code	Details
experimental model	PDB	1YH3	PDB entry 1YH3

Crystallization

Crystalization Experiments
ID	Method	pH	Temperature	Details
1	VAPOR DIFFUSION, HANGING DROP	6.5	300	100 mM MES, 12% PEG4000, pH 6.5, VAPOR DIFFUSION, HANGING DROP, temperature 300K

Crystal Properties
Matthews coefficient	Solvent content
2.32	46.93

Crystal Data

Unit Cell
Length ( Å )	Angle ( ˚ )
a = 41.937	α = 105.89
b = 53.28	β = 92.1
c = 65.919	γ = 94.81

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 210		2006-01-29	M	SINGLE WAVELENGTH

Radiation Source
ID #	Source	Type	Wavelength List	Synchrotron Site	Beamline
1	SYNCHROTRON	CHESS BEAMLINE A1	0.976	CHESS	A1

Data Collection

Overall
ID #	Resolution (High)	Resolution (Low)	Percent Possible (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	1.98	30	91.9			37397	34368	3	3

Highest Resolution Shell
ID #	Resolution (High)	Resolution (Low)	Percent Possible (All)	Percent Possible (Observed)	Mean I Over Sigma (Observed)	Redundancy	Number Unique Reflections (All)
1	1.98	2.05	96.7

Refinement

Statistics
Diffraction ID	Structure Solution Method	Cross Validation method	Starting model	Resolution (High)	Resolution (Low)	Number Reflections (All)	Number Reflections (Observed)	Number Reflections (R-Free)	Percent Reflections (Observed)	R-Factor (All)	R-Factor (Observed)	R-Work	R-Free	R-Free Selection Details	Mean Isotropic B
X-RAY DIFFRACTION	MOLECULAR REPLACEMENT	THROUGHOUT	PDB entry 1YH3	1.98	20	32092	32092	1713	100	0.21056	0.21056	0.20693	0.27821	RANDOM	34.171

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]
-0.86	0.59	0.31	0.46	0.34	0.7

RMS Deviations
Key	Refinement Restraint Deviation
r_dihedral_angle_2_deg	38.846
r_dihedral_angle_4_deg	24.575
r_dihedral_angle_3_deg	20.04
r_dihedral_angle_1_deg	8.377
r_scangle_it	5.326
r_scbond_it	3.83
r_angle_refined_deg	2.52
r_mcangle_it	2.26
r_mcbond_it	1.486
r_nbtor_refined	0.32
r_nbd_refined	0.274
r_symmetry_vdw_refined	0.269
r_symmetry_hbond_refined	0.245
r_xyhbond_nbd_refined	0.216
r_chiral_restr	0.184
r_bond_refined_d	0.035
r_gen_planes_refined	0.013
r_bond_other_d
r_angle_other_deg
r_gen_planes_other
r_nbd_other
r_nbtor_other
r_xyhbond_nbd_other
r_metal_ion_refined
r_metal_ion_other
r_symmetry_vdw_other
r_symmetry_hbond_other
r_symmetry_metal_ion_refined
r_symmetry_metal_ion_other
r_mcbond_other
r_rigid_bond_restr
r_sphericity_free
r_sphericity_bonded

Non-Hydrogen Atoms Used in Refinement
Non-Hydrogen Atoms	Number
Protein Atoms	4016
Nucleic Acid Atoms
Solvent Atoms	291
Heterogen Atoms	70

Software

Software
Software Name	Purpose
REFMAC	refinement
ADSC	data collection
HKL-3000	data reduction
HKL-3000	data scaling
MOLREP	phasing