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Initiator methionine

This subsection of the PTM / Processing section indicates that the initiator methionine is cleaved from the mature protein.

Example: Q9H425

Cleavage of the initiator methionine is one of the most common protein modifications and occurs co-translationally.

This subsection is only present when cleavage has been experimentally proven or when it can be propagated ‘By similarity’ with closely related homologs.
Example: P31946

The comment ‘The displayed sequence is further processed into a mature form’ is added in the corresponding 'Sequence' section.
Example: P31946

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