The input file for program alpro containing the aligned sequences should have the following format - The file can begin with a general documentation line which must start with a "*". Sequences are then listed one after the other. Each sequence can begin with its own documentation line which must start with a "*". The sequence then follows, it shouldn't contain any blanks but can be on several lines. Gaps should be denoted with the "-" symbol. Each sequence must end with a "." . Example - * protseq.globin: aligned globin sequences *Frog HEMOGLOBIN BETA CHAIN - EDIBLE FROG ---------------DLVSGFWGKV--DA---HKIGGEALARLLVVYPWTQRYFTTFGNL GSADAIC-----HNA---KVLAHG-EKVLAAIGEGLKHPENLKAHY--AKL-SEYHSNK- ---LHVDPANFRLLGNVFITVLARHF-QH-EFTPELQ-. *African Elephant HEMOGLOBIN BETA CHAIN - AFRICAN ELEPHANT ---------LTAAEKTQVTNLWGKV--NV---KELGGEALSRLLVVYPWTRRFFEHFGDL STAEAVL-----HNA---KVLAHG-EKVLTSFGEGLKHLDNLKGTF--ADL-SELHCDK- ---LHVDPENFRLLGNVLVIVLARHF-GK-EFTPDVQ-. *Goat HEMOGLOBIN BETA-A CHAIN - GOAT ---------LTAEEKAAVTGFWGKV--KV---DEVGAEALGRLLVVYPWTQRFFEHFGDL SSADAVM-----NNA---KVKAHG-KKVLDSFSNGMKHLDDLKGTF--AQL-SELHCDK- ---LHVDPENFKLLGNVLVVVLARHH-GS-EFTPLLQ-A. *Primate HEMOGLOBIN BETA CHAIN - HUMAN, CHIMPANZEES, AND GORILLA ---------LTPEEKSAVTALWGKV--NV---DEVGGEALGRLLVVYPWTQRFFESFGDL STPDAVM-----GNP---KVKAHG-KKVLGAFSDGLAHLDNLKGTF--ATL-SELHCDK- ---LHVDPENFRLLGNVLVCVLAHHF-GK-EFTPPVQ-A. *Gibbon HEMOGLOBIN BETA CHAIN - COMMON GIBBON (TENTATIVE SEQUENCE) ---------LTPEEKSAVTALWGKV--NV---DEVGGEALGRLLVVYPWTQRFFESFGDL STPDAVM-----GNP---KVKAHG-KKVLGAFSDGLAHLDNLKGTF--AQL-SELHCDK- ---LHVDPENFRLLGNVLVCVLAHHF-GK-EFTPQVQ-A. *Dog HEMOGLOBIN BETA CHAIN - DOG AND COYOTE ---------LTAEEKSLVSGLWGKV--NV---DEVGGEALGRLLIVYPWTQRFFDSFGDL STPDAVM-----SNA---KVKAHG-KKVLNSFSDGLKNLDNLKGTF--AKL-SELHCDK- ---LHVDPENFKLLGNVLVCVLAHHF-GK-EFTPQVQ-A. *Horse HEMOGLOBIN BETA CHAIN - HORSE ---------LSGEEKAAVLALWDKV--NE---EEVGGEALGRLLVVYPWTQRFFDSFGDL SNPGAVM-----GNP---KVKAHG-KKVLHSFGEGVHHLDNLKGTF--AAL-SELHCDK- ---LHVDPENFRLLGNVLVVVLARHF-GK-DFTPELQ-A. *Human, Chimp HEMOGLOBIN GAMMA CHAINS - HUMAN AND CHIMPANZEE ---------FTEEDKATITSLWGKV--NV---EDAGGETLGRLLVVYPWTQRFFDSFGNL SSASAIM-----GNP---KVKAHG-KKVLTSLGDAIKHLDDLKGTF--AQL-SELHCDK- ---LHVDPENFKLLGNVLVTVLAIHF-GK-EFTPEVQ-A.