Phylip/Paml alignment output file explanation ?

Question

[sunnykevin97]

HI This a phylip output , 5 - no of species. what is the meaning of "42" ?

5    42
Turkey    AAGCTNGGGC ATTTCAGGGT GAGCCCGGGC AATACAGGGT AT
Salmogair AAGCCTTGGC AGTGCAGGGT GAGCCGTGGC CGGGCACGGT AT
H.Sapiens ACCGGTTGGC CGTTCAGGGT ACAGGTTGGC CGTTCAGGGT AA
Chimp     AAACCCTTGC CGTTACGCTT AAACCGAGGC CGGGACACTC AT
Gorilla   AAACCCTTGC CGGTACGCTT AAACCATTGC CGGTACGCTT AA

Thanks Kevin

Answer 1

[Dave Carlson]

42 is the length of the alignment. See the following link (which also appears to be the source of your phylip file):

http://scikit-bio.org/docs/0.2.3/generated/skbio.io.phylip.html#format-specification