AP1 or AP-1 may refer to:
Biology
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Activator protein 1
Activator protein 1 (AP-1) is a transcription factor that regulates gene expression in response to a variety of stimuli, including cytokines, growth factors, stress, and bacterial and viral infections. AP-1 controls a number of cellular proce ...
, dimeric transcription factor
*
Adaptor protein 1, tetrameric clathrin-associated complex
Transportation
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Autopista AP-1
The Autopista AP-1 (also known in Spanish as ''Autopista del Norte'') is a Spanish '' autopista''. It has two separate sections: the first from Burgos to Armiñón, and the second from Etxabarri Ibiña (a hamlet close to Vitoria-Gasteiz) to Eib ...
, a Spanish motorway
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Caproni A.P.1, a 1934 Italian attack aircraft monoplane
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USS ''Henderson'' (AP-1)
Other uses
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Protocol I
Protocol I (sometimes referred to as Additional Protocol I or AP 1) is a 1977 amendment protocol to the Geneva Conventions relating to the protection of victims of ''international conflicts'', extending to "armed conflicts in which peoples are ...
, or AP 1, a 1977 amendment to the Geneva Conventions
See also
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API (disambiguation)
An API, or application programming interface, is any defined inter-program interface.
API or api may also refer to:
Companies and organizations
* Academic Programs International, an American study-abroad provider
* American Petroleum Instit ...
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