4P4V

Hexamer formed by a macrocyclic peptide derived from beta-2-microglobulin (63-69) - (ORN)YLL(PHI)YTE(ORN)KVA(MAA)AVK

X-RAY DIFFRACTION

Crystallization

Crystalization Experiments
ID	Method	pH	Temperature	Details
1	VAPOR DIFFUSION, HANGING DROP	8	298	0.1 M Tris, pH 8.0; 0.3 M lithium sulfate; 45% PEG 400

Crystal Properties
Matthews coefficient	Solvent content
3.61	65.89

Crystal Data

Unit Cell
Length ( Å )	Angle ( ˚ )
a = 62.03	α = 90
b = 62.03	β = 90
c = 44.676	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 QUANTUM 315		2013-10-15	M	SINGLE WAVELENGTH

Radiation Source
ID #	Source	Type	Wavelength List	Synchrotron Site	Beamline
1	SYNCHROTRON	ALS BEAMLINE 8.2.1	1.0	ALS	8.2.1

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	1.97	31.3	99.88	0.03705	13.24	2		6556

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	1.97	2.04	99.2		0.3766	2	2

Refinement

Statistics
Diffraction ID	Structure Solution Method	Cross Validation method	Resolution (High)	Resolution (Low)	Cut-off Sigma (F)	Number Reflections (Observed)	Number Reflections (R-Free)	Percent Reflections (Observed)	R-Factor (Observed)	R-Work	R-Free	Mean Isotropic B
X-RAY DIFFRACTION		FREE R-VALUE	1.97	31.299	1.34	11748	1192	99.65	0.1975	0.1946	0.2218

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]

RMS Deviations
Key	Refinement Restraint Deviation
f_dihedral_angle_d	30.442
f_angle_d	1.276
f_chiral_restr	0.058
f_bond_d	0.008
f_plane_restr	0.005

Non-Hydrogen Atoms Used in Refinement
Non-Hydrogen Atoms	Number
Protein Atoms	396
Nucleic Acid Atoms
Solvent Atoms	15
Heterogen Atoms	18

Software

Software
Software Name	Purpose
PHENIX	refinement

RCSB PDB Core Operations are funded by the U.S. National Science Foundation (DBI-2321666), the US Department of Energy (DE-SC0019749), and the National Cancer Institute, National Institute of Allergy and Infectious Diseases, and National Institute of General Medical Sciences of the National Institutes of Health under grant R01GM133198.