3DG1

Segment SSTNVG derived from IAPP

X-RAY DIFFRACTION

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Crystallization

Crystalization Experiments
ID	Method	pH	Temperature	Details
1	VAPOR DIFFUSION, HANGING DROP		293	30% MPD, no buffer, VAPOR DIFFUSION, HANGING DROP, temperature 293K

Crystal Data

Unit Cell
Length ( Å )	Angle ( ˚ )
a = 41.4	α = 90
b = 4.785	β = 115.88
c = 18.594	γ = 90

Symmetry
Space Group	C 1 2 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	MARMOSAIC 225 mm CCD		2007-07-21	M	SINGLE WAVELENGTH

Radiation Source
ID #	Source	Type	Wavelength List	Synchrotron Site	Beamline
1	SYNCHROTRON	SLS BEAMLINE X06SA	1.0	SLS	X06SA

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	1.65	90	97.9	0.17	5.5	2.8	460	460			30.7

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	1.65	1.71	97.4		0.524		3.1	37

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 (Observed)	R-Work	R-Free	R-Free Selection Details	Mean Isotropic B
X-RAY DIFFRACTION	MOLECULAR REPLACEMENT	THROUGHOUT	poly-alanine beta strand	1.66	18.62	459	459	45	95.62	0.211	0.207	0.244	RANDOM	19.277

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]
0.05		-0.17	-0.92		0.73

RMS Deviations
Key	Refinement Restraint Deviation
r_dihedral_angle_2_deg	75.296
r_dihedral_angle_1_deg	4.208
r_dihedral_angle_3_deg	2.845
r_mcangle_it	2.248
r_mcbond_it	1.634
r_scangle_it	1.458
r_scbond_it	1.451
r_angle_refined_deg	1.011
r_angle_other_deg	0.455
r_mcbond_other	0.361
r_symmetry_vdw_other	0.286
r_nbd_other	0.217
r_nbtor_refined	0.156
r_symmetry_hbond_refined	0.114
r_nbtor_other	0.082
r_symmetry_vdw_refined	0.076
r_chiral_restr	0.057
r_nbd_refined	0.016
r_bond_refined_d	0.006
r_gen_planes_refined	0.003
r_bond_other_d	0.002
r_gen_planes_other

Non-Hydrogen Atoms Used in Refinement
Non-Hydrogen Atoms	Number
Protein Atoms	39
Nucleic Acid Atoms
Solvent Atoms	2
Heterogen Atoms

Software

Software
Software Name	Purpose
DENZO	data reduction
SCALEPACK	data scaling
PHASER	phasing
REFMAC	refinement
PDB_EXTRACT	data extraction