5P2Z

Automated refinement of diffraction data obtained from an endothiapepsin crystal treated with fragment 152

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	2013-01-23
Detector	MARMOSAIC 225 mm CCD
Wavelength(s)	0.91841
Spacegroup name	P 1 21 1
Unit cell lengths	45.218, 73.130, 52.588
Unit cell angles	90.00, 109.19, 90.00

Refinement procedure

Resolution	25.400 - 1.519
R-factor	0.1408
Rwork	0.139
R-free	0.17850
Structure solution method	MOLECULAR REPLACEMENT
Starting model (for MR)	4y5l
RMSD bond length	0.008
RMSD bond angle	1.153
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]	42.705		1.610
High resolution limit [Å]	1.520	4.530	1.520
Rmerge	0.098	0.028	0.664
Rmeas	0.112	0.032	0.765
Total number of observations	202923
Number of reflections	48709	1913	6944
<I/σ(I)>	14.5	47.72	2.46
Completeness [%]	97.5	99.1	86.1
Redundancy	4.166
CC(1/2)	0.998	0.999	0.743

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 152 with the SMILES code O=C(NN1C=NC2=CC=CC=C12)NC1=CC=CC=C1