POP4 may refer to:
*
POP4 (gene)
Ribonuclease P protein subunit p29 is an enzyme that in humans is encoded by the ''POP4'' gene.
Interactions
POP4 has been shown to interact
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*POP4, a proposed version of the
Post Office Protocol
In computing, the Post Office Protocol (POP) is an application-layer Internet standard protocol used by e-mail clients to retrieve e-mail from a mail server. POP version 3 (POP3) is the version in common use, and along with IMAP the most comm ...
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