1Y7G

T-To-T(high) quaternary transitions in human hemoglobin: betaN102A deoxy low-salt (1 test set)

Experimental procedure

Experimental method	SINGLE WAVELENGTH
Source type	ROTATING ANODE
Source details	RIGAKU RU200
Temperature [K]	177
Detector technology	IMAGE PLATE
Collection date	2001-09-04
Detector	RIGAKU RAXIS IV
Wavelength(s)	1.5418
Spacegroup name	P 21 21 2
Unit cell lengths	97.200, 99.500, 65.600
Unit cell angles	90.00, 90.00, 90.00

Refinement procedure

Resolution	10.000 - 2.100
Rwork	0.189
R-free	0.26400
Structure solution method	MOLECULAR REPLACEMENT
Starting model (for MR)	1y0t
RMSD bond length	0.010
RMSD bond angle	0.025
Data reduction software	MOSFLM
Data scaling software	SCALA
Phasing software	X-PLOR
Refinement software	PROLSQ

Data quality characteristics

	Overall	Outer shell
Low resolution limit [Å]	25.200	2.270
High resolution limit [Å]	2.100	2.100
Rmerge	0.084	0.302
Number of reflections	34634
<I/σ(I)>	8.4	2.4
Completeness [%]	91.6	84
Redundancy	2.8	2.4

Crystallization Conditions

crystal ID	method	pH	temperature	details
1	batch	7	298	10% PEG 6000, 10 mM potassium phosphate, 100 mM potassium chloride, 3 mM sodium dithionite, 10 mg/ml Hb, pH 7.0, batch, temperature 298K