3NT3

CRYSTAL STRUCTURE OF LSSmKate2 red fluorescent proteins with large Stokes shift

X-RAY DIFFRACTION

Starting Model(s)

Initial Refinement Model(s)
Type	Source	Accession Code	Details
experimental model	PDB	3KCS	PDB ENTRY 3KCS

Crystallization

Crystalization Experiments
ID	Method	pH	Temperature	Details
1	VAPOR DIFFUSION, SITTING DROP	4.5	298	0.1 M Na-acetate, 25% PEG 3350, pH 4.5, VAPOR DIFFUSION, SITTING DROP, temperature 298K

Crystal Properties
Matthews coefficient	Solvent content
2.04	39.65

Crystal Data

Unit Cell
Length ( Å )	Angle ( ˚ )
a = 71.704	α = 90
b = 49.454	β = 93.13
c = 127.171	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 315		2009-08-26		SINGLE WAVELENGTH

Radiation Source
ID #	Source	Type	Wavelength List	Synchrotron Site	Beamline
1	SYNCHROTRON	NSLS BEAMLINE X29A	1.08	NSLS	X29A

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	1.5	50	96.2	0.052	14.6	4.9		137175

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)
	1.5	1.53	94		0.398		4.8	6659

Refinement

Statistics
Diffraction ID	Structure Solution Method	Cross Validation method	Starting model	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	PDB ENTRY 3KCS	1.5	19.99	137082	6886	96	0.1753	0.1739	0.2018	RANDOM	15.7046

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
r_dihedral_angle_2_deg	35.947
r_dihedral_angle_3_deg	13.505
r_dihedral_angle_4_deg	12.504
r_dihedral_angle_1_deg	6.867
r_scbond_it	4.133
r_mcangle_it	2.655
r_angle_refined_deg	1.672
r_scangle_it	1.532
r_mcbond_it	1.095
r_chiral_restr	0.096

RMS Deviations
Key	Refinement Restraint Deviation
r_dihedral_angle_2_deg	35.947
r_dihedral_angle_3_deg	13.505
r_dihedral_angle_4_deg	12.504
r_dihedral_angle_1_deg	6.867
r_scbond_it	4.133
r_mcangle_it	2.655
r_angle_refined_deg	1.672
r_scangle_it	1.532
r_mcbond_it	1.095
r_chiral_restr	0.096
r_bond_refined_d	0.012
r_gen_planes_refined	0.007

Non-Hydrogen Atoms Used in Refinement
Non-Hydrogen Atoms	Number
Protein Atoms	7150
Nucleic Acid Atoms
Solvent Atoms	966
Heterogen Atoms	12

Software

Software
Software Name	Purpose
SCALEPACK	data scaling
REFMAC	refinement
PDB_EXTRACT	data extraction
CBASS	data collection
HKL-2000	data reduction
PHASER	phasing

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.