Re: A Question about strings in lists

*To*: mathgroup at smc.vnet.net*Subject*: [mg102261] Re: A Question about strings in lists*From*: pfalloon <pfalloon at gmail.com>*Date*: Mon, 3 Aug 2009 05:46:24 -0400 (EDT)*References*: <h53nup$1ga$1@smc.vnet.net>

On Aug 2, 7:57 pm, Marwa Abd El-Wahaab <m.a.elwah... at gmail.com> wrote: > Dear Sir, > > I have a question about lists > > If I recall a protein sequence for example, the output will be > > { ACDQXXYWT ............... } > > This output contains amino acids but as one element in list & its length is > =1 > > How can I transform this one element to this form > > {A,C,D,Q,X,X,Y,W,T,......... } > > So, the length will be number of amino acids the protein contains > > I need your advice > > Thanks in advance > > *Marwa Ali Abd El Wahaab > Teaching Assistant* > Faculty of Engineering > Mansoura University In[1]:= s = {"ABCDEF"}; In[2]:= Characters[First[s]] Out[2]= {A,B,C,D,E,F} Mathematica has many functions for working with strings which are fairly well-documented, and in a case like this shouldn't be too hard to find.