9O3Q

Apo-structure of a chondroitinase

Experimental procedure

Experimental method	SINGLE WAVELENGTH
Source type	ROTATING ANODE
Source details	RIGAKU MICROMAX-007 HF
Temperature [K]	291.15
Detector technology	PIXEL
Collection date	2024-06-27
Detector	DECTRIS PILATUS 200K
Wavelength(s)	1.5418
Spacegroup name	P 21 21 21
Unit cell lengths	69.284, 84.043, 112.870
Unit cell angles	90.00, 90.00, 90.00

Refinement procedure

Resolution	29.520 - 1.750
R-factor	0.187
Rwork	0.185
R-free	0.21770
Structure solution method	MOLECULAR REPLACEMENT
RMSD bond length	0.007
RMSD bond angle	0.982
Refinement software	REFMAC (5.0.32)

Data quality characteristics

	Overall	Outer shell
Low resolution limit [Å]	30.000	1.780
High resolution limit [Å]	1.750	1.750
Rmeas	0.083	0.649
Rpim	0.031	0.357
Number of reflections	2203325	67228
<I/σ(I)>	20.6	1.8
Completeness [%]	99.8	99.5
Redundancy	4.9	3
CC(1/2)	0.998	0.924

Crystallization Conditions

crystal ID	method	pH	temperature	details
1	VAPOR DIFFUSION, HANGING DROP	6.5	291.15	100 mM MES:NaOH pH 6.5, 300 mM MgCl2, and 12.5% PEG 4000