RE: PITC amino acid standards?

James Ferguson (JamesF@minimed.com)
Wed, 10 Feb 1999 11:08:55 -0800

> From: Ariel Gaathon
> Sent: Wednesday, February 10, 1999 6:44 AM
> To: Recipients of ABRF List
> Cc: Recipients of ABRF List
> Subject: Re: PITC amino acid standards?
>
> Sigma used to have PTH-AA in their Catalogue. (PTH-Trp, for example was
> #P-2752). Most PTH-AA are stable if kept desiccated as instructed (<0C in
> the dark).
>
> On Tue, 9 Feb 1999 mcada002@mc.duke.edu wrote:
>
> > ABRF,
> >
> > Is there a commercial or otherwise source for PITC amino acid
> > standards?
> >
> PTC-amino acids (Phenylisothiocarbamyl-, aka PicoTag) and PTH-amino acids
> (the hydantoins) are quite different in their stability. I believe they
> are both made using PITC. Which do you mean when you are referring to
> PITC-AA's
>