cloning vector for 23kb

[ibbl100 at indyvax.iupui.edu]

In article <3cem1c$qrt at clss3.bangor.ac.uk>, osp086 at clss1.bangor.ac.uk ( Mr. C.S.Wilding) writes:
> Does anyone know where I can get a vector to accept 23kb with PstI ends?
> Thanks
> 
>      *****************************************************************
>      * 	CRAIG WILDING,		       E-mail: OSP086 at BANGOR.AC.UK   *
>      *	SCHOOL OF OCEAN SCIENCES,      Phone: (0)248 351151 ext.2899 *
>      *	UNIVERSITY OF WALES (BANGOR),  Fax:(0)248 716367  	     *
>      *	MENAI BRIDGE, 	           				     *
>      *	GWYNEDD, LL59 5EY,					     *
>      *	WALES, U.K.						     *
>      ****************************************************************
	I've gotten pUC 19 to take 23 KB.  The efficiency was low, though.  
Steve