2Q96

E. coli methionine aminopeptidase Mn-form with inhibitor A18

Experimental procedure

Experimental method	SINGLE WAVELENGTH
Source type	ROTATING ANODE
Source details	RIGAKU
Detector technology	IMAGE PLATE
Detector	RIGAKU RAXIS IV
Wavelength(s)	1.5418
Spacegroup name	P 1 21 1
Unit cell lengths	39.285, 62.028, 52.426
Unit cell angles	90.00, 108.76, 90.00

Refinement procedure

Resolution	19.936 - 1.600
Rwork	0.211
R-free	0.23500
Structure solution method	MOLECULAR REPLACEMENT
Starting model (for MR)	1xnz
RMSD bond length	0.004
RMSD bond angle	1.305
Data reduction software	MOSFLM
Data scaling software	SCALA
Phasing software	MOLREP
Refinement software	CNS

Data quality characteristics

	Overall	Inner shell	Outer shell
Low resolution limit [Å]	19.936	19.940	1.690
High resolution limit [Å]	1.600	5.060	1.600
Rmerge	0.038	0.026	0.138
Total number of observations		3646	15554
Number of reflections	31502
<I/σ(I)>	15.2	24.5	4.9
Completeness [%]	99.9	98.2	99.6
Redundancy	3.6	3.6	3.4

Crystallization Conditions

crystal ID	method	pH	temperature	details
1	VAPOR DIFFUSION, HANGING DROP	6.5	291	10-15% PEG 20000, 0.1 M MES (pH 6.5), vapor diffusion, hanging drop, temperature 291K