Experiment: 5F9G

pnGFP1.5-Y.Cro: circularly permuted green fluorescent protein (with a tyrosine-derived chromophore)

X-RAY DIFFRACTION

Starting Model(s)

Initial Refinement Model(s)
Type	Source	Accession Code	Details
experimental model	PDB	1EMB

Crystallization

Crystalization Experiments
ID	Method	pH	Temperature	Details
1	VAPOR DIFFUSION, HANGING DROP	8	295	pnGFP1.5-Y.Cro in buffer 50mM Hepes pH 7.5, 0.3M NaCl, 1mM beta-mercaptoethanol, A280=52; Crystals were grown in drops of 1ul protein solution: 1ul well solution containing 20-22% PEG 3350, 0.25M potassium thiocyanate, 0.1M Tris pH 8.0

Crystal Properties
Matthews coefficient	Solvent content
2.62	53.14

Crystal Data

Unit Cell
Length ( Å )	Angle ( ˚ )
a = 57.258	α = 90
b = 57.258	β = 90
c = 185.392	γ = 90

Symmetry
Space Group	P 43 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	100	CCD	ADSC QUANTUM 315	cryo:24% PEG 3350, .25M KSCN, .15M NaCl, 50mM Hepes 7.5 plus either 20% Ethylene glycol or 60% ethylene glycol and .8M NDSB-201	2014-03-29	M	SINGLE WAVELENGTH

Radiation Source
ID #	Source	Type	Wavelength List	Synchrotron Site	Beamline
1	SYNCHROTRON	ALS BEAMLINE 5.0.1	0.987	ALS	5.0.1

Data Collection

Overall
ID #	Resolution (High)	Resolution (Low)	Percent Possible (Observed)	R Merge I (Observed)	CC (Half)	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	2.75	40	99.8	0.089	0.968	80.4	24.7		14821

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	2.75	2.8	100		0.92	8	27.1

Refinement

Statistics
Diffraction ID	Structure Solution Method	Cross Validation method	Starting model	Resolution (High)	Resolution (Low)	Cut-off Sigma (F)	Number Reflections (Observed)	Number Reflections (R-Free)	Percent Reflections (Observed)	R-Factor (Observed)	R-Work (Depositor)	R-Work (DCC)	R-Free (Depositor)	R-Free (DCC)	R-Free Selection Details	Mean Isotropic B
X-RAY DIFFRACTION	MOLECULAR REPLACEMENT	FREE R-VALUE	1EMB	2.772	24.682	1.34	8260	410	97.88	0.2075	0.2028	0.2103	0.2947	0.2951	Random selection

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	17.38
f_angle_d	1.442
f_chiral_restr	0.049
f_bond_d	0.01
f_plane_restr	0.007

Non-Hydrogen Atoms Used in Refinement
Non-Hydrogen Atoms	Number
Protein Atoms	1825
Nucleic Acid Atoms
Solvent Atoms	16
Heterogen Atoms

Software

Software
Software Name	Purpose
PHENIX	refinement
HKL-2000	data reduction
HKL-2000	data scaling
PHENIX	phasing