2GEP

SULFITE REDUCTASE HEMOPROTEIN, OXIDIZED, SIROHEME FEIII [4FE-4S] +2,SULFITE COMPLEX

Replaces:  1GEP

Experimental procedure

Source type	SYNCHROTRON
Source details	SSRL BEAMLINE BL7-1
Synchrotron site	SSRL
Beamline	BL7-1
Temperature [K]	277
Detector technology	IMAGE PLATE
Collection date	1995-03-02
Detector	MARRESEARCH
Spacegroup name	P 21 21 21
Unit cell lengths	69.800, 77.400, 87.800
Unit cell angles	90.00, 90.00, 90.00

Refinement procedure

Resolution	10.000 - 1.900
R-factor	0.175
Rwork	0.175
Structure solution method	MOLECULAR REPLACEMENT
Starting model (for MR)	1GEP
RMSD bond length	0.009
RMSD bond angle	1.500
Data reduction software	DENZO
Data scaling software	SCALEPACK
Phasing software	X-PLOR (3.1)
Refinement software	X-PLOR (3.1)

Data quality characteristics

	Overall	Outer shell
Low resolution limit [Å]	20.000	2.000
High resolution limit [Å]	1.900	1.900
Rmerge	0.070 *	0.298 *
Number of reflections	36483
<I/σ(I)>	29.8	6.9
Completeness [%]	97.5	96.2
Redundancy	4.2

Crystallization Conditions

crystal ID	method	pH	temperature	details
1	Vapor diffusion, sitting drop *	7.7 *		pH 7.9

Crystallization Reagents in Literatures

ID	crystal ID	solution	reagent name	concentration (unit)	details
1	1	drop	protein	6 (mg/ml)
2	1	reservoir	potassium phosphate	65 (mM)
3	1	reservoir	EDTA	0.1 (M)
4	1	reservoir	PEGMW8000	15 (%)