3KZN

Crystal structure of N-acetyl-L-ornithine transcarbamylase complexed with N-acetyl-L-ornirthine

Replaces:  1ZQ6

Experimental procedure

Experimental method	SINGLE WAVELENGTH
Source type	SYNCHROTRON
Source details	CHESS BEAMLINE F1
Synchrotron site	CHESS
Beamline	F1
Temperature [K]	95
Detector technology	CCD
Collection date	2004-12-04
Detector	ADSC QUANTUM 4
Wavelength(s)	0.9186
Spacegroup name	I 21 3
Unit cell lengths	130.198, 130.198, 130.198
Unit cell angles	90.00, 90.00, 90.00

Refinement procedure

Resolution	41.170 - 1.800
Rwork	0.189
R-free	0.21200
Structure solution method	MOLECULAR REPLACEMENT
Starting model (for MR)	3kzk
RMSD bond length	0.005
RMSD bond angle	1.200
Data reduction software	HKL-2000
Data scaling software	HKL-2000
Phasing software	AMoRE
Refinement software	CNS (1.1)

Data quality characteristics

	Overall	Outer shell
Low resolution limit [Å]	50.000	1.860
High resolution limit [Å]	1.800	1.800
Rmerge	0.083	0.490
Number of reflections	33955
<I/σ(I)>	25.4	2.8
Completeness [%]	99.6	96.1
Redundancy	5.6

Crystallization Conditions

crystal ID	method	pH	temperature	details
1	hanging drop	6	291	Lithium sulfate, Bis-tris, PEG3350, pH 6.0, hanging drop, temperature 291K