Search protein database by size?

Reinhard Doelz doelz at
Wed Oct 19 07:50:32 EST 1994

Michael Parker (mparker at wrote:
: I need to identify all proteins in swiss_prot, PIR, and genepept which
: are Saccharomyces
: and between 12Kdal and 20Kdal.  Anyone know how to do this??

Thure Etzold's SRS can do a 'sequence length' with an expression like 
you want. A result looks like the following

Q1 (retrieval) := "[Sequence-SeqLength#120:200]" found 24405 entries 
   7257 entries from SWISSPROT 
   17134 entries from TREMBL 
   14 entries from SWISSNEW 

The WWW interface for this may be looked at with
or - good luck!


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