/usr/share/EMBOSS/test/data/nuc.pat is in emboss-test 6.6.0-1.
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 | >pat1
cggccctaaccctagcccta
>pat2 <mismatch=1>
cg(2)c(3)taac
cctagc(3)ta
>pat3
cggc(2,4)taac(2,5)
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