3FCA

Genetic Incorporation of a Metal-ion Chelating Amino Acid into proteins as biophysical probe

X-RAY DIFFRACTION

Crystallization

Crystalization Experiments
ID	Method	pH	Temperature	Details
1	VAPOR DIFFUSION, HANGING DROP	8.5	293	0.1 M Tris, 50% PEG 400, 200 mM NaCl, pH 8.5, VAPOR DIFFUSION, HANGING DROP, temperature 293K

Crystal Properties
Matthews coefficient	Solvent content
2.77	55.55

Crystal Data

Unit Cell
Length ( Å )	Angle ( ˚ )
a = 135.858	α = 90
b = 135.858	β = 90
c = 74.939	γ = 90

Symmetry
Space Group	P 42 21 2

Diffraction

Diffraction Experiment
ID #	Crystal ID	Scattering Type	Data Collection Temperature	Detector	Detector Type	Details	Collection Date	Monochromator	Protocol
1	1	x-ray	121	CCD	ADSC QUANTUM 315		2008-08-27	M	SINGLE WAVELENGTH

Radiation Source
ID #	Source	Type	Wavelength List	Synchrotron Site	Beamline
1	SYNCHROTRON	ALS BEAMLINE 5.0.2		ALS	5.0.2

Data Collection

Overall
ID #	Resolution (High)	Resolution (Low)	Percent Possible (Observed)	R Merge I (Observed)	R Sym 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	2.149	96.23	99.4	0.076	0.085	67.7	9.2	354615	38516		1

Highest Resolution Shell
ID #	Resolution (High)	Resolution (Low)	Percent Possible (All)	Percent Possible (Observed)	R Merge I (Observed)	R-Sym I (Observed)	Mean I Over Sigma (Observed)	Redundancy	Number Unique Reflections (All)
	2.149	2.23	96.4		0.173	0.185	20.2	9	3661

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	SAD	THROUGHOUT	2.149	96.23	38407	1929	99.15	0.209	0.207	0.244	RANDOM	29.044

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]
-0.25			-0.25		0.5

RMS Deviations
Key	Refinement Restraint Deviation
r_dihedral_angle_2_deg	36.228
r_dihedral_angle_4_deg	17.203
r_dihedral_angle_3_deg	15.323
r_dihedral_angle_1_deg	5.262
r_scangle_it	3.019
r_scbond_it	1.86
r_angle_refined_deg	1.228
r_mcangle_it	1.144
r_mcbond_it	0.731
r_nbtor_refined	0.302

RMS Deviations
Key	Refinement Restraint Deviation
r_dihedral_angle_2_deg	36.228
r_dihedral_angle_4_deg	17.203
r_dihedral_angle_3_deg	15.323
r_dihedral_angle_1_deg	5.262
r_scangle_it	3.019
r_scbond_it	1.86
r_angle_refined_deg	1.228
r_mcangle_it	1.144
r_mcbond_it	0.731
r_nbtor_refined	0.302
r_symmetry_vdw_refined	0.249
r_nbd_refined	0.228
r_symmetry_hbond_refined	0.186
r_xyhbond_nbd_refined	0.166
r_chiral_restr	0.082
r_bond_refined_d	0.01
r_gen_planes_refined	0.004

Non-Hydrogen Atoms Used in Refinement
Non-Hydrogen Atoms	Number
Protein Atoms	4376
Nucleic Acid Atoms
Solvent Atoms	164
Heterogen Atoms	2

Software

Software
Software Name	Purpose
DENZO	data reduction
SCALEPACK	data scaling
PHASES	phasing
RESOLVE	phasing
REFMAC	refinement
PDB_EXTRACT	data extraction
HKL-2000	data collection

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.