/usr/share/genometools/gtdata/trans/TransProt6 is in genometools-common 1.5.8-2.
This file is owned by root:root, with mode 0o644.
The actual contents of the file can be viewed below.
1 2 3 4 5 6 7 8 | # 6-character Dayhoff alphabet
C A
AGPST C
DENQ D
HKR E
ILMVJ F
FWY G
XUBZO*- X
|