8JKC

Crystal structure of the Green fluorescent protein SE_A277 variant at pH 4.5

Experimental procedure

Experimental method	SINGLE WAVELENGTH
Source type	SYNCHROTRON
Source details	PAL/PLS BEAMLINE 5C (4A)
Synchrotron site	PAL/PLS
Beamline	5C (4A)
Temperature [K]	193
Detector technology	CCD
Collection date	2022-06-14
Detector	MARMOSAIC 225 mm CCD
Wavelength(s)	0.9793
Spacegroup name	P 21 21 21
Unit cell lengths	75.787, 80.632, 179.331
Unit cell angles	90.00, 90.00, 90.00

Refinement procedure

Resolution	48.020 - 1.950
R-factor	0.2022
Rwork	0.201
R-free	0.24640
Structure solution method	MOLECULAR REPLACEMENT
RMSD bond length	0.008
RMSD bond angle	1.121
Data reduction software	HKL-2000
Data scaling software	HKL-2000
Phasing software	PHENIX
Refinement software	PHENIX ((1.19.2_4158: ???))

Data quality characteristics

	Overall	Inner shell	Outer shell
Low resolution limit [Å]	50.000	50.000	2.020
High resolution limit [Å]	1.950	4.200	1.950
Rmerge	0.126	0.084	0.415
Rmeas	0.133	0.088	0.464
Rpim	0.041	0.024	0.202
Total number of observations	664241
Number of reflections	80378	8486	7689
<I/σ(I)>	5.2
Completeness [%]	99.2	99.6	96.3
Redundancy	8.3	12.2	4.5
CC(1/2)	0.980	0.990	0.280

Crystallization Conditions

crystal ID	method	pH	temperature	details
1	VAPOR DIFFUSION, HANGING DROP	4.5	298	0.1M sodium acetate pH 4.5, 2.2M Sodium Chloride