3BXC

Monomeric Far-red Fluorescent Protein mKate Crystallized at pH 9.0

X-RAY DIFFRACTION

Crystallization

Crystalization Experiments
ID	Method	pH	Temperature	Details
1		9	293	20% w/v PEG 6000, 1.0M LiCl, 0.1M Bicine pH 9.0, VAPOR DIFFUSION, HANGING DROP, temperature 293K

Crystal Properties
Matthews coefficient	Solvent content
2.06	40.15

Crystal Data

Unit Cell
Length ( Å )	Angle ( ˚ )
a = 73.474	α = 90
b = 104.481	β = 106.09
c = 123.226	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	MARMOSAIC 300 mm CCD			M	SINGLE WAVELENGTH

Radiation Source
ID #	Source	Type	Wavelength List	Synchrotron Site	Beamline
1	SYNCHROTRON	APS BEAMLINE 22-ID	1.0	APS	22-ID

Data Collection

Overall
ID #	Resolution (High)	Resolution (Low)	Percent Possible (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	2.6	30	89.2				49319

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)
	2.6	2.69	65.8		0.445

Refinement

Statistics
Diffraction ID	Structure Solution Method	Resolution (High)	Resolution (Low)	Number Reflections (Observed)	Number Reflections (R-Free)	Percent Reflections (Observed)	R-Work	R-Free	Mean Isotropic B
X-RAY DIFFRACTION		2.6	29.71	48880	2508	88.7	0.235	0.282	57.49

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]
-1.975		-8.436	-4.18		6.155

RMS Deviations
Key	Refinement Restraint Deviation
f_dihedral_angle_d	11.773
f_angle_d	0.87
f_chiral_restr	0.059
f_bond_d	0.008
f_plane_restr	0.003

Non-Hydrogen Atoms Used in Refinement
Non-Hydrogen Atoms	Number
Protein Atoms	13989
Nucleic Acid Atoms
Solvent Atoms	341
Heterogen Atoms

Software

Software
Software Name	Purpose
PHENIX	refinement
SCALEPACK	data scaling
REFMAC	refinement
PDB_EXTRACT	data extraction
SERGUI	data collection
HKL-2000	data reduction
HKL-2000	data scaling
MOLREP	phasing
DENZO	data reduction

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.