3PRA

Structural analysis of protein folding by the Methanococcus jannaschii chaperone FKBP26

X-RAY DIFFRACTION

Crystallization

Crystalization Experiments
ID	Method	pH	Temperature	Details
1	hanging drop		298	6% PMME2K, 0.2 M (NH4)2SO4, pH 100 mM HEPES, pH 7.25, hanging drop, temperature 298K

Crystal Properties
Matthews coefficient	Solvent content
2.42	49.11

Crystal Data

Unit Cell
Length ( Å )	Angle ( ˚ )
a = 45.984	α = 90
b = 67.886	β = 95.29
c = 54.466	γ = 90

Symmetry
Space Group	P 1 21 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			2000-10-01	M	SINGLE WAVELENGTH

Radiation Source
ID #	Source	Type	Wavelength List	Synchrotron Site	Beamline
1	SYNCHROTRON	NSLS BEAMLINE X4A		NSLS	X4A

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	2.4	30	99.4	0.054	25.4			13060

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)
	2.4	2.44	100		0.239			628

Refinement

Statistics
Diffraction ID	Structure Solution Method	Cross Validation method	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	MOLECULAR REPLACEMENT	THROUGHOUT	2.4	19.76	13040	636	100	0.2371	0.2343	0.2911	RANDOM	53.662

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]
-2.15		0.04	1.32		0.84

RMS Deviations
Key	Refinement Restraint Deviation
r_dihedral_angle_2_deg	42.478
r_dihedral_angle_3_deg	17.72
r_dihedral_angle_4_deg	17.225
r_dihedral_angle_1_deg	5.22
r_scangle_it	2.611
r_scbond_it	1.615
r_angle_refined_deg	1.227
r_mcangle_it	1.139
r_mcbond_it	0.672
r_nbtor_refined	0.303

RMS Deviations
Key	Refinement Restraint Deviation
r_dihedral_angle_2_deg	42.478
r_dihedral_angle_3_deg	17.72
r_dihedral_angle_4_deg	17.225
r_dihedral_angle_1_deg	5.22
r_scangle_it	2.611
r_scbond_it	1.615
r_angle_refined_deg	1.227
r_mcangle_it	1.139
r_mcbond_it	0.672
r_nbtor_refined	0.303
r_nbd_refined	0.209
r_symmetry_vdw_refined	0.2
r_xyhbond_nbd_refined	0.147
r_symmetry_hbond_refined	0.122
r_chiral_restr	0.075
r_bond_refined_d	0.01
r_gen_planes_refined	0.004

Non-Hydrogen Atoms Used in Refinement
Non-Hydrogen Atoms	Number
Protein Atoms	2326
Nucleic Acid Atoms
Solvent Atoms	154
Heterogen Atoms

Software

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

RCSB PDB Core Operations are funded by the National Science Foundation (DBI-1832184), 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.