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ExPASy Logo RandSeq - Random protein sequence generator

RandSeq is a tool which generates a random protein sequence.
Please fill out this form to submit the parameters for the generation of a random sequence.
Size of the sequence (20 to 9999 amino acids):

Composition of the sequence:
Equal composition for all amino acids
Composition of a specific sequence - please enter a SWISS-PROT/TrEMBL ID or AC:
Average amino acid composition (computed from SWISS-PROT)
User specified composition in percent (example: 6.30):

    Ala:  Arg:  Asn:  Asp: 

    Cys:  Gln:  Glu:  Gly: 

    His:  Ile:  Leu:  Lys: 

    Met:  Phe:  Pro:  Ser: 

    Thr:  Trp:  Tyr:  Val:
To generate the sequence:

To clear all fields:

Last modified 11/May/1999 by ELG
ExPASy Home page Site Map Search ExPASy Contact us Swiss-Prot Proteomics tools
Hosted by NCSC USMirror sites:Canada China Korea Switzerland Taiwan