4QDJ

Crystal structure of magnesium protoporphyrin IX methyltransferase (ChlM) from Synechocystis PCC 6803 with bound SAM

Experimental procedure

Experimental method	SINGLE WAVELENGTH
Source type	SYNCHROTRON
Source details	SSRF BEAMLINE BL17U
Synchrotron site	SSRF
Beamline	BL17U
Temperature [K]	100
Detector technology	CCD
Collection date	2013-04-10
Detector	ADSC QUANTUM 315r
Wavelength(s)	0.9793
Spacegroup name	P 21 21 21
Unit cell lengths	49.319, 61.026, 68.892
Unit cell angles	90.00, 90.00, 90.00

Refinement procedure

Resolution	33.514 - 1.600
R-factor	0.1434
Rwork	0.141
R-free	0.17970
Structure solution method	SAD
RMSD bond length	0.003
RMSD bond angle	0.840
Data reduction software	HKL-2000
Data scaling software	HKL-2000
Phasing software	PHENIX (1.8.1_1168)
Refinement software	PHENIX ((phenix.refine: 1.8.1_1168))

Data quality characteristics

	Overall	Outer shell
Low resolution limit [Å]	50.000	1.660
High resolution limit [Å]	1.600	1.600
Number of reflections	27515
Completeness [%]	97.9	84.3

Crystallization Conditions

crystal ID	method	pH	temperature	details
1	VAPOR DIFFUSION, HANGING DROP	6.7	277	0.1M MES pH 6.7, 10% PEG 3350, 200mM NaCl, VAPOR DIFFUSION, HANGING DROP, temperature 277K
1	VAPOR DIFFUSION, HANGING DROP	6.7	277	0.1M MES pH 6.7, 10% PEG 3350, 200mM NaCl, VAPOR DIFFUSION, HANGING DROP, temperature 277K