One exmaple for FASTA format:

> SPI_BACBR

MKTIRTGMMTLAALAVLGTNVVSATSEPVKELSVNVNGQHIEQAAIFDKGQQTVLVPLRD

VAESLGFQVKWNAETKAAEVNKGAIFSYAKVGEDRYPFAKMYKTLGAEPRLLNGNTYVPV

AFVDEILQAEVNVTDDAVTVVDEESDVAPVRTGTITTLNKREDGGVSFQLNGYETGIILH

VDKETKITTADGKELKPEDLQLGMEVEATHQKFMAMSMPQSGAVSIVVKSGLETPEVLGT

AGKVASIDKDQEGSYKMLVEGQALAENAPEKVALIVGKDTKIVSAKDNKELAPEDLKAEM

KVFAYYGPKLTRSLPPIGVAEKIVVE

> PRSG_ECOLI

MKKWLPAFLFLSLSGCNDALAANQSTMFYSFNDNIYRPQLSVKVTDIVQFIVDINSASST

ATLSYVACNGFTWTHGLYWSEYFAWLVVPKHVSYNGYNIYLELQSRGSFSLDAEDNDNYY

LTKGFAWDEANTSGQTCFNIGEKRSLAWSFGGVTLNARLPVDLPKGDYTFPVKFLRGIQR

NNYDYIGGRYKIPSSLMKTFPFNGTLNFSIKNTGGCRPSAQSLEINHGDLSINSANNHYA

AQTLSVSCDVPTNIRFFLLSNTNPAYSHGQQFSVGLGHGWDSIISINGVDTGETTMRWYR

AGTQNLTTGSRLYGESSKIQPGVLSGSATLLMILP