1DLY

X-RAY CRYSTAL STRUCTURE OF HEMOGLOBIN FROM THE GREEN UNICELLULAR ALGA CHLAMYDOMONAS EUGAMETOS

Experimental procedure

Experimental method	SINGLE WAVELENGTH
Source type	SYNCHROTRON
Source details	ESRF BEAMLINE BM14
Synchrotron site	ESRF
Beamline	BM14
Temperature [K]	100
Detector technology	IMAGE PLATE
Collection date	1998-09-02
Detector	MARRESEARCH
Spacegroup name	P 21 21 21
Unit cell lengths	34.598, 53.082, 67.186
Unit cell angles	90.00, 90.00, 90.00

Refinement procedure

Resolution	30.000 - 1.800
R-factor	0.192
Rwork	0.192
R-free	0.21100 *
RMSD bond length	0.018
RMSD bond angle	1.650
Data reduction software	DENZO
Data scaling software	SCALEPACK
Phasing software	PHASES
Refinement software	CNS

Data quality characteristics

	Overall	Outer shell
Low resolution limit [Å]	30.000	1.890
High resolution limit [Å]	1.800	1.800
Rmerge	0.056 *	0.126
<I/σ(I)>	20
Completeness [%]	98.6 *	99.6
Redundancy	3	2

Crystallization Conditions

crystal ID	method	pH	temperature	details
1	Vapor diffusion *	5.5	4 *	ammonium sulphate, sodium acetate, cyanide, pH 5.5, VAPOR DIFFUSION, HANGING DROP, temperature 277K

Crystallization Reagents in Literatures

ID	crystal ID	solution	reagent name	concentration (unit)	details
1	1	drop	protein	40 (mg/ml)
2	1	reservoir	ammonium sulfate	55 (%)
3	1	reservoir	sodium acetate	50 (mM)
4	1	reservoir	potassium cyanide	5 (mM)