A sequence in Fasta format should have the identifier on one row, starting with a > sign, and the amino acid sequence in the following rows:

>tr|O97311|O97311_PLAF7 Rifin (3D7-rifT3-7)
MKVHYFNIFLFSLPLNIILLSSQVYNQRNHYMKPHTYTNRSLCECELYAPSNYDNDPEMK
AVMQGFDRQTSQRFEEYNERLLENKQKCKEQCNKEIQKIILKDKLEKELMDKIVTLDTDI
QSDAIPTCVCEKSVADKVEKTCLKCAGVLGGGVTPAWGLISGIVYTGWKTAALAAATKEA
IAEAAAKGAAAGLKAGVKSVISEVSSLFGVSTIDDKALGLVINATNYRDAQLISGAIYKQ
FEMTCMPPGALPNLSNPICISMWSKFVSTNGSSRDLIKNNIKTYVQSFVSQAETTAAHVT
KTTTEKVTTELTTEKTGEIAATYMGYQTPIIASIVAILVIVLVMVIIYLILRYRRKKKMK
KKLQYIKLLEE