4F1G

Human insulin

Experimental procedure

Experimental method	SINGLE WAVELENGTH
Source type	SYNCHROTRON
Source details	LNLS BEAMLINE W01B-MX2
Synchrotron site	LNLS
Beamline	W01B-MX2
Temperature [K]	100
Detector technology	CCD
Collection date	2010-10-01
Detector	MARMOSAIC 225 mm CCD
Wavelength(s)	1.45860
Spacegroup name	H 3
Unit cell lengths	82.090, 82.090, 33.810
Unit cell angles	90.00, 90.00, 120.00

Refinement procedure

Resolution	41.040 - 1.637
R-factor	0.1696
Rwork	0.167
R-free	0.22160
Structure solution method	MOLECULAR REPLACEMENT
RMSD bond length	0.026
RMSD bond angle	2.130
Data reduction software	MOSFLM
Data scaling software	SCALA (3.2.25)
Phasing software	PHASER (2.1.4)
Refinement software	REFMAC (5.5.0102)

Data quality characteristics

	Overall	Inner shell	Outer shell
Low resolution limit [Å]	41.045	24.500	1.730
High resolution limit [Å]	1.637	5.180	1.637
Rmerge	0.062	0.039	0.267
Total number of observations		1056	3564
Number of reflections	9281
<I/σ(I)>	12.9	15.3	1.7
Completeness [%]	88.7	98.8	93.1
Redundancy	2.9	3.2	2.5

Crystallization Conditions

crystal ID	method	pH	temperature	details
1	VAPOR DIFFUSION, HANGING DROP	5.5	291	2 uL 0.1 M sodium phosphate, pH 5.5, 10% w/v PEG6000 + 2 uL 100 U/mL human insulin (Humulin R, lot # A 560347), cryoprotectant: mother liquor + 10% glycerol, VAPOR DIFFUSION, HANGING DROP, temperature 291K