5P1L

Automated refinement of diffraction data obtained from an endothiapepsin crystal treated with fragment 104

Experimental procedure

Experimental method	SINGLE WAVELENGTH
Source type	SYNCHROTRON
Source details	BESSY BEAMLINE 14.2
Synchrotron site	BESSY
Beamline	14.2
Temperature [K]	100
Detector technology	CCD
Collection date	2014-05-09
Detector	MARMOSAIC 225 mm CCD
Wavelength(s)	0.91841
Spacegroup name	P 1 21 1
Unit cell lengths	45.275, 72.925, 52.684
Unit cell angles	90.00, 109.34, 90.00

Refinement procedure

Resolution	28.122 - 1.249
R-factor	0.1281
Rwork	0.127
R-free	0.14190
Structure solution method	MOLECULAR REPLACEMENT
Starting model (for MR)	4y5l
RMSD bond length	0.007
RMSD bond angle	1.189
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]	42.720		1.330
High resolution limit [Å]	1.250	3.740	1.250
Rmerge	0.044	0.020	0.417
Rmeas	0.051	0.024	0.481
Total number of observations	370382
Number of reflections	89045	3399	14283
<I/σ(I)>	18.78	58.91	3.38
Completeness [%]	99.6	99	99.2
Redundancy	4.159
CC(1/2)	0.999	0.999	0.874

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 104 with the SMILES code CC[C@@H](C)N1CCC(=O)NC1=O