2V5M

Structural basis for Dscam isoform specificity

X-RAY DIFFRACTION

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Crystallization

Crystalization Experiments
ID	Method	pH	Temperature	Details
1				1.5 M AMMONIUM SULPHATE, 0.1 M HEPES PH 7.5

Crystal Properties
Matthews coefficient	Solvent content
4.6	73

Crystal Data

Unit Cell
Length ( Å )	Angle ( ˚ )
a = 99.172	α = 90
b = 99.172	β = 90
c = 163.991	γ = 90

Symmetry
Space Group	P 42 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 CCD	MIRRORS	2005-02-08	M	MAD

Radiation Source
ID #	Source	Type	Wavelength List	Synchrotron Site	Beamline
1	SYNCHROTRON	APS BEAMLINE 19-ID		APS	19-ID

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	1.95	20	97.8	0.08	23.4	4.8		271422

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	1.95	2	91		0.51	1.9

Refinement

Statistics
Diffraction ID	Structure Solution Method	Cross Validation method	Starting model	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	NONE	1.95	20	56543	3003	98.6	0.171	0.169	0.205	RANDOM	43.77

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]
0.58			0.58		-1.15

RMS Deviations
Key	Refinement Restraint Deviation
r_dihedral_angle_2_deg	32.855
r_dihedral_angle_4_deg	21.852
r_dihedral_angle_3_deg	16.024
r_dihedral_angle_1_deg	7.451
r_scangle_it	5.959
r_scbond_it	4.469
r_angle_refined_deg	2.656
r_mcangle_it	2.631
r_mcbond_it	2.263
r_angle_other_deg	1.508
r_symmetry_hbond_refined	0.42
r_symmetry_vdw_refined	0.334
r_symmetry_vdw_other	0.322
r_nbd_refined	0.294
r_xyhbond_nbd_refined	0.285
r_nbd_other	0.248
r_nbtor_refined	0.189
r_chiral_restr	0.15
r_nbtor_other	0.113
r_bond_refined_d	0.014
r_gen_planes_refined	0.012
r_bond_other_d	0.002
r_gen_planes_other	0.002
r_xyhbond_nbd_other
r_metal_ion_refined
r_metal_ion_other
r_symmetry_hbond_other
r_symmetry_metal_ion_refined
r_symmetry_metal_ion_other
r_mcbond_other
r_mcangle_other
r_scbond_other
r_scangle_other
r_long_range_B_refined
r_long_range_B_other
r_rigid_bond_restr
r_sphericity_free
r_sphericity_bonded

Non-Hydrogen Atoms Used in Refinement
Non-Hydrogen Atoms	Number
Protein Atoms	3014
Nucleic Acid Atoms
Solvent Atoms	709
Heterogen Atoms	62

Software

Software
Software Name	Purpose
REFMAC	refinement
DENZO	data reduction
SCALEPACK	data scaling
SHELX	phasing
SHARP	phasing
DM	phasing