P21 (disambiguation)

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p21 is a cyclin-dependent kinase inhibitor.

P21 or P-21 may also refer to:

Proteins

Vessels

Other uses


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P52 may refer to:

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The North American P-51 Mustang is an American World War II fighter aircraft.

P24 or P-24 may refer to:

p21

p21Cip1, also known as cyclin-dependent kinase inhibitor 1 or CDK-interacting protein 1, is a cyclin-dependent kinase inhibitor (CKI) that is capable of inhibiting all cyclin/CDK complexes, though is primarily associated with inhibition of CDK2. p21 represents a major target of p53 activity and thus is associated with linking DNA damage to cell cycle arrest. This protein is encoded by the CDKN1A gene located on chromosome 6 (6p21.2) in humans.

P30 or P-30 may refer to:

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<span class="mw-page-title-main">PAK1</span> Mammalian protein found in Homo sapiens

Serine/threonine-protein kinase PAK 1 is an enzyme that in humans is encoded by the PAK1 gene.

<span class="mw-page-title-main">PAK4</span> Mammalian protein found in Homo sapiens

Serine/threonine-protein kinase PAK 4 is an enzyme that in humans is encoded by the PAK4 gene.

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Protector-class coastal patrol boat

The Protector-class coastal patrol boats are a class of coastal patrol boats of the Maritime Squadron of the Armed Forces of Malta. They are 87-foot (27 m) patrol boats based on the Stan 2600 patrol vessel design from the Netherlands shipbuilding firm Damen Group. The Hong Kong Police were the first organization to order vessels based on this design. The United States Coast Guard (USCG) has 73 patrol boats from this class, where they are known as the Marine Protector class. Malta ordered two vessels, and they were built by Bollinger Shipyards to the USCG specifications under the US$13 Million grant from the United States provided by the United States Securities Act of 2000. They were given pennant numbers P51 and P52. In 2013, both patrol boats were upgraded with new equipment including infrared cameras and a rigid hull inflatable boat. The upgrade cost €1.7 million and was co-funded by the European Union’s External Fund.

<i>P21</i>-class patrol vessel

The P21 class is a class of inshore patrol vessels of the Armed Forces of Malta's Maritime Squadron. They are alternatively known as the Austal class after their builder.

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