PLP
PLP is the abbreviation for
- La Palma in Panama - International Airport Code
- Packet Layer Protocol , an X.25 protocol layer
- Parliamentary Labor Party , the faction of the Labor Party in the British Parliament
- Partidu Libertasaun Popular , an East Timorese party
- Peace Love and Pitbulls , a former Swedish-Dutch industrial metal band
- Progressive Labor Party , both a supranational communist party in the US and a small, left-wing Australian party
- Proteolipid protein , a 4- transmembrane protein of 276 amino acids ; the main protein of the myelin in the CNS
- Pyridoxal phosphate , one of the most important coenzymes in the animal organism, which is involved in various amino acid reactions
- Prosopographic lexicon of the time of palaeologists , published by the Austrian Academy of Sciences
- PCR length polymorphism , also RFLP ( restriction fragment length polymorphism )
