5OYT

Automated refinement of diffraction data obtained from an endothiapepsin crystal treated with fragment 4

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	CCD
Collection date	2012-09-04
Detector	MARMOSAIC 225 mm CCD
Wavelength(s)	0.91842
Spacegroup name	P 1 21 1
Unit cell lengths	45.463, 73.012, 52.576
Unit cell angles	90.00, 108.87, 90.00

Refinement procedure

Resolution	37.064 - 1.589
R-factor	0.168
Rwork	0.166
R-free	0.21340
Structure solution method	MOLECULAR REPLACEMENT
Starting model (for MR)	4y5l
RMSD bond length	0.010
RMSD bond angle	1.225
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]	43.018		1.690
High resolution limit [Å]	1.590	4.740	1.590
Rmerge	0.073	0.031	0.491
Rmeas	0.085	0.036	0.565
Total number of observations	180363
Number of reflections	43597	1685	7012
<I/σ(I)>	14.6	37.32	2.89
Completeness [%]	99.4	98.9	98.9
Redundancy	4.137
CC(1/2)	0.998	0.998	0.795

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 4 with the SMILES code CC1=CC=CC(=C1)C(=O)NN