1HZO

STRUCTURE OF CLASS A CEPHALOSPORINASE FROM PROTEUS VULGARIS K1

Experimental procedure

Experimental method	SINGLE WAVELENGTH
Source type	ROTATING ANODE
Source details	RIGAKU RU200
Temperature [K]	100
Detector technology	AREA DETECTOR
Collection date	1999-05-03
Detector	SIEMENS HI-STAR
Wavelength(s)	1.542
Spacegroup name	P 21 21 21
Unit cell lengths	58.650, 66.150, 134.394
Unit cell angles	90.00, 90.00, 90.00

Refinement procedure

Resolution	44.000 - 1.750
R-factor	0.169 *
Rwork	0.169
R-free	0.19300
Structure solution method	MOLECULAR REPLACEMENT
Starting model (for MR)	1bza
RMSD bond length	0.004
RMSD bond angle	1.200 *
Data reduction software	X-GEN
Data scaling software	X-GEN
Phasing software	AMoRE
Refinement software	CNS (1.0)

Data quality characteristics

	Overall	Outer shell
Low resolution limit [Å]	44.000	1.860
High resolution limit [Å]	1.750	1.750
Rmerge	0.052 *	0.200 *
Total number of observations	284238 *
Number of reflections	49364	5658 *
<I/σ(I)>	18.5	3.2
Completeness [%]	92.0 *	65 *
Redundancy	5.76	2.7

Crystallization Conditions

crystal ID	method	pH	temperature	details
1	VAPOR DIFFUSION, SITTING DROP	6.25	293	PEG 6000, MES, pH 6.25, VAPOR DIFFUSION, SITTING DROP, temperature 293K

Crystallization Reagents in Literatures

ID	crystal ID	solution	reagent name	concentration (unit)	details
1	1	drop	protein	5 (mg/ml)
2	1	drop	PEG6000	12.5 (%(w/v))
3	1	drop	MES	12.5 (mM)	pH6.25
4	1	reservoir	PEG	25 (%)
5	1	reservoir	MES	25 (mM)