Table 4 Definitions of highly conserved and lineage-specific elements

Any

Highly Conserved Element

HCE

Minimum % identity > 90%*

Tammar wallaby

Marsupial-Specific Element

MSE

Average marsupial % identity < 80%

Maximum eutherian % identity < 20%

Tammar wallaby

Unidentified in Opossum

UIO

Opossum % identity <10%

Average eutherian % identity > 50%

Human

Eutherian-Specific Element

ESE

Average eutherian % identity > 80%

Maximum marsupial % identity < 20%