1. Input sequence and parameters
Type a species name in the text box:
Paste a (Multi)FASTA sequence :
   [ or fetch and use an example: Pectobacterium sp. SCRI1043]  
Upload a sequence file in (Multi)FASTA (.fa, .fna) or GBK (.gbk) or GBFF (.gbff) format:
Left flank length:  Right flank length: 
2. Search putative CRISPRs using the following options
Word size:  Minimum word repetition >= Maximum distance between words:  
3. Filter out poor CRISPRs using one or more of the following parameters
Min. repeat length >= Min. number of repeats >= CRISPR likelihood score >= 
4. Optional parameters [can be modified once the output is generated]
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