/usr/share/EMBOSS/test/data/molwts.dat is in emboss-test 6.4.0-2.
This file is owned by root:root, with mode 0o644.
The actual contents of the file can be viewed below.
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927.450380
1045.572
1068.397129
1121.431124
1163.584593
1305.660840
1428.596448
1479.748341
1502.549157
1554.591658
1567.686209
1576.708354
1639.868056
1748.611920
1753.745298
1880.841178
2383.99
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