5OYV

Automated refinement of diffraction data obtained from an endothiapepsin crystal treated with fragment 6

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)	0.91841
Spacegroup name	P 1 21 1
Unit cell lengths	45.458, 72.484, 52.492
Unit cell angles	90.00, 108.66, 90.00

Refinement procedure

Resolution	37.025 - 1.439
R-factor	0.1422
Rwork	0.141
R-free	0.17360
Structure solution method	MOLECULAR REPLACEMENT
Starting model (for MR)	4y5l
RMSD bond length	0.008
RMSD bond angle	1.237
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]	43.068		1.530
High resolution limit [Å]	1.440	4.300	1.440
Rmerge	0.058	0.027	0.395
Rmeas	0.067	0.031	0.471
Total number of observations	235169
Number of reflections	57858	2260	8880
<I/σ(I)>	16.15	42.37	2.95
Completeness [%]	98.9	99.3	94.4
Redundancy	4.064
CC(1/2)	0.999	0.999	0.815

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 6 with the SMILES code C[C@H]1C(C#N)=C(C)NC2=C1C(=O)CC(C)(C)C2