5P6N

Automated refinement of diffraction data obtained from an endothiapepsin crystal treated with fragment 284

Experimental procedure

Experimental method	SINGLE WAVELENGTH
Source type	SYNCHROTRON
Source details	BESSY BEAMLINE 14.1
Synchrotron site	BESSY
Beamline	14.1
Temperature [K]	100
Detector technology	PIXEL
Collection date	2013-07-18
Detector	DECTRIS PILATUS 6M
Wavelength(s)	0.91841
Spacegroup name	P 1 21 1
Unit cell lengths	45.298, 72.891, 52.905
Unit cell angles	90.00, 109.46, 90.00

Refinement procedure

Resolution	19.167 - 1.109
R-factor	0.1276
Rwork	0.127
R-free	0.14130
Structure solution method	MOLECULAR REPLACEMENT
Starting model (for MR)	4y5l
RMSD bond length	0.006
RMSD bond angle	1.197
Data reduction software	XDS
Data scaling software	XDS
Phasing software	PHASER (2.5.7)
Refinement software	PHENIX

Data quality characteristics

	Overall	Inner shell	Outer shell
Low resolution limit [Å]	19.167		1.180
High resolution limit [Å]	1.110	3.280	1.110
Rmerge	0.040	0.017	0.487
Rmeas	0.047	0.020	0.571
Total number of observations	467856
Number of reflections	127133	4976	20178
<I/σ(I)>	16.94	67.22	2.53
Completeness [%]	99.4	98.7	98.1
Redundancy	3.68
CC(1/2)	1.000	0.999	0.799

Crystallization Conditions

crystal ID	method	pH	temperature	details
1	VAPOR DIFFUSION, SITTING DROP	4.6	290	0.1 M ammonium acetate, 0.1 M sodium acetate, 24-30% PEG 4000; crystal obtained by streak-seeding and soaked with 90 mM of fragment 284 with the SMILES code O[C@@H](COCC1=CC=CC=C1F)CN1CCCC1