3H5F

Switching the Chirality of the Metal Environment Alters the Coordination Mode in Designed Peptides.

X-RAY DIFFRACTION

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Crystallization

Crystalization Experiments
ID	Method	pH	Temperature	Details
1	VAPOR DIFFUSION	6.5	293	200 mM MgCl2, 50% PEG 200, pH 6.5, VAPOR DIFFUSION, temperature 293K

Crystal Properties
Matthews coefficient	Solvent content
2.2	44.17

Crystal Data

Unit Cell
Length ( Å )	Angle ( ˚ )
a = 77.827	α = 90
b = 29.244	β = 118.8
c = 44.46	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	93	CCD	MAR CCD		2007-07-02	M	SINGLE WAVELENGTH

Radiation Source
ID #	Source	Type	Wavelength List	Synchrotron Site	Beamline
1	SYNCHROTRON	APS BEAMLINE 21-ID-D	1.00001	APS	21-ID-D

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	1.86	50	98.3	0.059	40.189	3.5	7121	7471

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	1.86	1.93	100		0.211		3.7	748

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	2jgo	1.86	24.4	7121	7465	344	98.26	0.202	0.199	0.255	RANDOM	28.08

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]
0.1		0.14	-0.04		0.08

RMS Deviations
Key	Refinement Restraint Deviation
r_dihedral_angle_2_deg	39.394
r_dihedral_angle_3_deg	14.585
r_scangle_it	3.898
r_dihedral_angle_1_deg	3.825
r_scbond_it	3.248
r_angle_refined_deg	1.62
r_mcangle_it	1.465
r_mcbond_it	1.248
r_angle_other_deg	0.913
r_mcbond_other	0.344
r_xyhbond_nbd_refined	0.292
r_nbd_refined	0.279
r_symmetry_vdw_refined	0.249
r_symmetry_hbond_refined	0.199
r_nbd_other	0.195
r_symmetry_metal_ion_refined	0.195
r_metal_ion_refined	0.193
r_nbtor_refined	0.183
r_symmetry_vdw_other	0.181
r_nbtor_other	0.13
r_chiral_restr	0.099
r_bond_refined_d	0.019
r_gen_planes_refined	0.006
r_bond_other_d	0.002
r_gen_planes_other	0.001

Non-Hydrogen Atoms Used in Refinement
Non-Hydrogen Atoms	Number
Protein Atoms	708
Nucleic Acid Atoms
Solvent Atoms	70
Heterogen Atoms	11

Software

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