21EK

Crystal structure of a cupin protein (tm1459, presequence-truncated H52A mutant) soaked in CuSO4

Experimental procedure

Experimental method	SINGLE WAVELENGTH
Source type	SYNCHROTRON
Source details	SPRING-8 BEAMLINE BL44XU
Synchrotron site	SPring-8
Beamline	BL44XU
Temperature [K]	100
Detector technology	PIXEL
Collection date	2025-06-19
Detector	DECTRIS EIGER X 16M
Wavelength(s)	0.899995
Spacegroup name	P 32 2 1
Unit cell lengths	52.215, 52.215, 98.314
Unit cell angles	90.00, 90.00, 120.00

Refinement procedure

Resolution	45.220 - 1.162
R-factor	0.1473
Rwork	0.146
R-free	0.17270
Structure solution method	MOLECULAR REPLACEMENT
RMSD bond length	0.012
RMSD bond angle	0.025
Data reduction software	XDS
Data scaling software	XDS
Phasing software	PHASER
Refinement software	SHELXL

Data quality characteristics

	Overall	Outer shell
Low resolution limit [Å]	45.220	1.230
High resolution limit [Å]	1.162	1.162
Rmerge	0.034	0.630
Number of reflections	103335	16669
<I/σ(I)>	18.46	2.07
Completeness [%]	100.0	99.9
Redundancy	5.11	4.88
CC(1/2)	0.999	0.780

Crystallization Conditions

crystal ID	method	pH	temperature	details
1	VAPOR DIFFUSION, HANGING DROP	6	293	25% w/v Jeffamine ED-2001, 0.1M MES