▁line ▁sometimes ▁contained ▁more ▁than ▁one ▁header , ▁separated ▁by ▁a ▁^ A ▁( Control - A ) ▁character . ▁In ▁the ▁original ▁Pear son ▁FA ST A ▁format , ▁one ▁or ▁more ▁comments , ▁distinguished ▁by ▁a ▁semi - colon ▁at ▁the ▁beginning ▁of ▁the ▁line , ▁may ▁occur ▁after ▁the ▁header . ▁Some ▁databases ▁and ▁bio in format ics ▁applications ▁do ▁not ▁recognize ▁these ▁comments ▁and ▁follow ▁the ▁NC BI ▁FA ST A ▁specification . ▁An ▁example ▁of ▁a ▁multiple ▁sequence ▁FA ST A ▁file ▁follows : ▁ ▁> SE QU EN CE _ 1 ▁M TE IT A AM V KE L RE ST G AG M MD CK N AL SET NG DF DK AV Q LL RE K GL G K AA K K AD RL AA EG ▁L V SV K V SD DF T IA AM R PS Y LS Y ED LD M TF V EN EY K AL V AE LE K EN E ERR RL K DP N K PE H K ▁IP Q F AS R K QL SD A IL KE AE E K I KE EL K A Q G K PE K I WD N II PG K M NS FI AD NS QL DS K LT L ▁M G Q F Y V MD DK K TV EQ V IA E KE KE F GG K IK IVE F IC FE V GE G LE K K T ED FA AE V AA QL ▁> SE QU EN