3H42

Crystal structure of PCSK9 in complex with Fab from LDLR competitive antibody

Experimental procedure

Experimental method	SINGLE WAVELENGTH
Source type	SYNCHROTRON
Source details	ALS BEAMLINE 5.0.2
Synchrotron site	ALS
Beamline	5.0.2
Temperature [K]	100
Detector technology	CCD
Detector	ADSC QUANTUM 315
Wavelength(s)	1.0000
Spacegroup name	C 1 2 1
Unit cell lengths	264.721, 137.352, 69.885
Unit cell angles	90.00, 102.84, 90.00

Refinement procedure

Resolution	40.000 - 2.300
R-factor	0.192
Rwork	0.191
R-free	0.20900
Structure solution method	MOLECULAR REPLACEMENT
Starting model (for MR)	2pmw
RMSD bond length	0.005
RMSD bond angle	0.852
Data reduction software	MOSFLM
Data scaling software	SCALA
Phasing software	MOLREP
Refinement software	CNS

Data quality characteristics

	Overall	Outer shell
Low resolution limit [Å]	40.000	2.420
High resolution limit [Å]	2.300	2.300
Rmerge	0.079	0.589
Number of reflections	107766
<I/σ(I)>	11	2.5
Completeness [%]	99.9	100
Redundancy	3.5	3.6

Crystallization Conditions

crystal ID	method	pH	temperature	details
1	VAPOR DIFFUSION, SITTING DROP	8.3	293	0.1 M Tris-HCl, 0.2 M Sodium acetate, 10-15% PEG 4000, 3-6% Dextran sodium salt (Mr 5000), pH 8.3, VAPOR DIFFUSION, SITTING DROP, temperature 293K