3ZTF

X-ray Structure of the Cyan Fluorescent Protein mTurquoise2 (K206A mutant)

X-RAY DIFFRACTION

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Starting Model(s)

Initial Refinement Model(s)
Type	Source	Accession Code	Details
experimental model	PDB	2YE0	PDB ENTRY 2YE0

Crystallization

Crystalization Experiments
ID	Method	pH	Temperature	Details
1		7.25		30 MG/ML PROTEIN, 19% PEG 8000, 100 MM MGCL2, 100 MM HEPES PH 7.25 .

Crystal Properties
Matthews coefficient	Solvent content
2	40

Crystal Data

Unit Cell
Length ( Å )	Angle ( ˚ )
a = 51.01	α = 90
b = 62.549	β = 90
c = 70.356	γ = 90

Symmetry
Space Group	P 21 21 21

Diffraction

Diffraction Experiment
ID #	Crystal ID	Scattering Type	Data Collection Temperature	Detector	Detector Type	Details	Collection Date	Monochromator	Protocol
1	1	x-ray	100	PIXEL	DECTRIS PILATUS 6M	TOROIDAL MIRROR	2011-07-03	M	SINGLE WAVELENGTH

Radiation Source
ID #	Source	Type	Wavelength List	Synchrotron Site	Beamline
1	SYNCHROTRON	ESRF BEAMLINE ID29		ESRF	ID29

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	1.31	46.7	96.1	0.06	10.8	4.2		52472		2

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	1.31	1.38	94.6		0.7	2	4.4

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 2YE0	1.31	35.18	49733	2628	95.55	0.13429	0.13205	0.17737	RANDOM	19.36

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]
-0.58			0.49		0.1

RMS Deviations
Key	Refinement Restraint Deviation
r_dihedral_angle_2_deg	37.363
r_sphericity_free	31.433
r_sphericity_bonded	16.037
r_dihedral_angle_4_deg	15.295
r_dihedral_angle_3_deg	12.325
r_dihedral_angle_1_deg	6.495
r_rigid_bond_restr	3.496
r_angle_refined_deg	1.705
r_angle_other_deg	0.92
r_chiral_restr	0.107
r_bond_refined_d	0.014
r_gen_planes_refined	0.008
r_bond_other_d	0.001
r_gen_planes_other	0.001
r_nbd_refined
r_nbd_other
r_nbtor_refined
r_nbtor_other
r_xyhbond_nbd_refined
r_xyhbond_nbd_other
r_metal_ion_refined
r_metal_ion_other
r_symmetry_vdw_refined
r_symmetry_vdw_other
r_symmetry_hbond_refined
r_symmetry_hbond_other
r_symmetry_metal_ion_refined
r_symmetry_metal_ion_other
r_mcbond_it
r_mcbond_other
r_mcangle_it
r_mcangle_other
r_scbond_it
r_scbond_other
r_scangle_it
r_scangle_other
r_long_range_B_refined
r_long_range_B_other

Non-Hydrogen Atoms Used in Refinement
Non-Hydrogen Atoms	Number
Protein Atoms	1893
Nucleic Acid Atoms
Solvent Atoms	212
Heterogen Atoms

Software

Software
Software Name	Purpose
REFMAC	refinement
XDS	data reduction
SCALA	data scaling
REFMAC	phasing