A good tool should leave "b" as is: it is ASX (the standard ambiguity
code for ASP or ASN). "j", "o" and "u" are a different matter :-)
http://www.uniprot.org/manual/non_std
"Selenocyteine [sic!] and pyrrolysine are represented in the sequence using
the one-letter codes U for selenocysteine and O for pyrrolysine"
--Gerard
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Gerard J. Kleywegt
http://xray.bmc.uu.se/gerard mailto:ger...@xray.bmc.uu.se
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The opinions in this message are fictional. Any similarity
to actual opinions, living or dead, is purely coincidental.
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Little known gastromathematical curiosity: let "z" be the
radius and "a" the thickness of a pizza. Then the volume
of that pizza is equal to pi*z*z*a !
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