4OQW

Crystal structure of mCardinal far-red fluorescent protein

X-RAY DIFFRACTION

Crystallization

Crystalization Experiments
ID	Method	pH	Temperature	Details
1	VAPOR DIFFUSION, HANGING DROP	7.6	300	0.1 M Tris pH 7.6 - 8.0, 0.2 M CaCl2, 10 mM TCEP, 22 - 25% PEG 4000 , VAPOR DIFFUSION, HANGING DROP, temperature 300K

Crystal Properties
Matthews coefficient	Solvent content
2.93	58.02

Crystal Data

Unit Cell
Length ( Å )	Angle ( ˚ )
a = 53.2	α = 90
b = 136.7	β = 90.1
c = 167.6	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	ADSC QUANTUM 315r		2013-11-23	M	SINGLE WAVELENGTH

Radiation Source
ID #	Source	Type	Wavelength List	Synchrotron Site	Beamline
1	SYNCHROTRON	ALS BEAMLINE 8.2.2	1.0	ALS	8.2.2

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	2.21	47.562	95	0.131	5.5			113638		-3

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	2.21	2.27	94.2		0.822	1.18

Refinement

Statistics
Diffraction ID	Structure Solution 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	R-Free Selection Details	Mean Isotropic B
X-RAY DIFFRACTION	MOLECULAR REPLACEMENT	2.21	47.562	1.34	113418	2092	94.83	0.2249	0.2225	0.2511	RANDOM	42.16

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	13.26
f_angle_d	0.861
f_chiral_restr	0.035
f_bond_d	0.004
f_plane_restr	0.003

Non-Hydrogen Atoms Used in Refinement
Non-Hydrogen Atoms	Number
Protein Atoms	13735
Nucleic Acid Atoms
Solvent Atoms	671
Heterogen Atoms

Software

Software
Software Name	Purpose
XSCALE	data scaling
PHASER	phasing
PHENIX	refinement
PDB_EXTRACT	data extraction
XDS	data scaling

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.