9M6J

Crystal structure of S. aureus protein A bound to a camelid single-domain antibody

Experimental procedure

Experimental method	SINGLE WAVELENGTH
Source type	SYNCHROTRON
Source details	SSRF BEAMLINE BL10U2
Synchrotron site	SSRF
Beamline	BL10U2
Temperature [K]	100
Detector technology	PIXEL
Collection date	2024-11-22
Detector	DECTRIS EIGER X 16M
Wavelength(s)	0.9792
Spacegroup name	C 2 2 21
Unit cell lengths	78.580, 98.120, 52.650
Unit cell angles	90.00, 90.00, 90.00

Refinement procedure

Resolution	25.310 - 2.000
R-factor	0.194
Rwork	0.192
R-free	0.22560
Structure solution method	MOLECULAR REPLACEMENT
RMSD bond length	0.006
RMSD bond angle	0.773
Data reduction software	xia2
Data scaling software	xia2
Phasing software	PHENIX (1.18.2_3874)
Refinement software	PHENIX (1.18.2_3874)

Data quality characteristics

	Overall	Outer shell
Low resolution limit [Å]	61.340	2.050
High resolution limit [Å]	2.000	2.000
Rmerge		0.117
Number of reflections	13903	981
<I/σ(I)>	37.1
Completeness [%]	98.8
Redundancy	11.4
CC(1/2)	0.997	0.993

Crystallization Conditions

crystal ID	method	pH	temperature	details
1	VAPOR DIFFUSION, SITTING DROP		293	2.0 M Ammonium sulfate