Filter Protein

Filter Protein removes non-protein characters from text. Use this program when you wish to remove digits and blank spaces from a sequence to make it suitable for other applications.

Paste the raw sequence or one or more FASTA sequences into the text area below. Input limit is 100,000 characters.:

• remove non 'ACDEFGHIKLMNPQRSTVWY' characters remove non 'ACDEFGHIKLMNPQRSTVWY*' characters remove non 'ABCDEFGHIKLMNPQRSTVWXYZ.' characters remove non 'ABCDEFGHIKLMNPQRSTVWXYZ*.' characters remove white space remove digits remove digits and white space remove everything except lowercase letters remove everything except uppercase letters
• replace removed characters with nothing replace removed characters with 'n' replace removed characters with 'N' replace removed characters with 'x' replace removed characters with 'X' replace removed characters with '-' replace removed characters with '?' replace removed characters with '*'
• convert remaining characters to uppercase convert remaining characters to lowercase don't change the case of remaining characters