All articles starting with R

RP FLIP

RP FLIP, or FLoating Instrument Platform, was a Scripps Institution spar buoy that flipped upright at sea to serve as a stable research lab from 1962 to 2023.

RP Global

RP Global is an independent renewable energy producer founded in 1984 and headquartered in Vienna and Madrid, developing solar, wind, hydro, and storage projects across seven European markets.

RP-1

RP-1, or Rocket Propellant 1, is a highly refined kerosene used with liquid oxygen in rockets such as the Atlas, Saturn V, and SpaceX Falcon 9.

Sep 19, 2026

RP-Sanjiv Goenka Group

The RP-Sanjiv Goenka Group, also known as the RPSG Group, is an Indian conglomerate headquartered in Kolkata, created in 2011 when Rama Prasad Goenka's businesses were divided between his sons.

RP2350

RP2350 is a 32-bit dual-core microcontroller family designed by Raspberry Pi and released in August 2024, succeeding the RP2040 and debuting on the $5 Pico 2.

RP7214 (RP-7214) is an oral small-molecule inhibitor of dihydroorotate dehydrogenase (DHODH) developed by Rhizen Pharmaceuticals, tested in phase 2 for mild COVID-19 and planned for AML, later discontinued.

RPA1

RPA1 (replication protein A1, Gene ID 6117) is the human 17p13.3 gene encoding the 70 kDa largest subunit of the RPA ssDNA-binding heterotrimer, with four OB-fold domains (DBD-F, A, B, C) supporting replication, repair, recombination, and telomere maintenance.

RPC athletes at the 2020 Summer Paralympics

RPC athletes at the 2020 Summer Paralympics: Russian Paralympic Committee team of 243 athletes competing neutrally in Tokyo, winning 36 gold, 33 silver, 49 bronze medals for fourth place.

RPD machine gun

The RPD, or Ruchnoy Pulemyot Degtyaryova, is a Soviet 7.62×39mm belt-fed light machine gun designed by Vasily Degtyaryov and first issued to Soviet infantry in 1953.

RPD trial

RPD trial (NCT00651625): University of New Mexico randomized controlled trial comparing the reciprocating procedure device safety syringe with a conventional syringe in 437 patients; RPD cut procedural pain, procedure time, and tissue trauma across arthrocentesis, injection, and anesthesia studies.

RPG (programming language)

RPG, short for Report Program Generator, is a business-oriented programming language created by IBM in 1961 for producing reports from punched-card data on the IBM 1401.

RPG Group

RPG Group, also known as RPG Enterprises, is an Indian diversified conglomerate founded by Rama Prasad Goenka in 1979, whose flagships include CEAT and KEC International.

RPG Maker (RPGツクール)

RPG Maker (RPGツクール, RPG Tsukūru) is a family of RPG game engines by Gotcha Gotcha Games/KADOKAWA, built on tile maps, event scripting, and JavaScript plugins; MZ and MV cost $79.99, and Yume Nikki, To the Moon, and Omori were made with it.

RPG-2

The RPG-2 (Russian РПГ-2) is a Soviet shoulder-fired recoilless launcher that fired the PG-2 grenade and was the standard Soviet infantry antitank weapon from 1949.

RPG-29

The RPG-29, also known as the RPG-29 Vampir, is a Soviet reusable shoulder-fired anti-tank grenade launcher adopted in 1989 that fires a tandem shaped-charge rocket built to defeat reactive armor.

RPG-32

The RPG-32, known in Russia as Barkas or Hashim and in Jordan as Nashshab, is a multi-caliber anti-tank launcher designed by Russia's Bazalt for Jordan.

RPG-7 (РПГ-7)

The RPG-7 (РПГ-7), from the Russian for hand-held anti-tank grenade launcher, is a Soviet reloadable, shoulder-fired launcher adopted in 1961 and still in service worldwide.

RPGR

RPGR (retinitis pigmentosa GTPase regulator) is an X-linked gene encoding a connecting-cilium protein with six RCC1-like domains that interacts with RPGRIP1; mutations in its ORF15 exon cause 70-90% of X-linked retinitis pigmentosa and AAV gene therapies are in trials.

RPK (Ручной пулемёт Калашникова)

The RPK (Ruchnoy Pulemyot Kalashnikova) is a Soviet 7.62×39 mm light machine gun, a heavy-barreled, bipod-mounted derivative of the AKM adopted in 1961 to replace the RPD.

RPK-6 Vodopad

RPK-6 Vodopad, NATO name SS-N-16 Stallion, is a Soviet rocket-assisted anti-submarine system, in service since 1981, that fires homing torpedoes or nuclear depth charges from submarine torpedo tubes.

RPK-74 (РПК-74)

The RPK-74 is a Soviet 5.45×39mm light machine gun derived from the AK-74, adopted in 1974 as the squad automatic weapon of motorized rifle units.

RPL (networking protocol)

RPL, the Routing Protocol for Low-Power and Lossy Networks, is an IPv6 routing protocol standardized by the IETF in 2012 for constrained Internet of Things networks.

RPL11

RPL11 (ribosomal protein L11, uL5) is a human gene at 1p36.11 encoding a 178-aa 60S ribosomal subunit protein that inhibits MDM2 to activate p53; mutations cause Diamond-Blackfan anemia 7.

RPL12

RPL12, also called uL11 or ribosomal protein L12, is a 165-aa protein of the eukaryotic 60S ribosome's GTPase-associated center, reported in 2025 as a conserved ribophagy receptor; distinct from mitochondrial MRPL12.

RPL17

RPL17 (uL22, ribosomal protein L17) is a human gene at 18q21.1 encoding a 60S ribosomal subunit protein; loss-of-function variants cause Diamond-Blackfan anemia with atypical 5.8SC-containing ribosomes, and the protein also participates in hepatitis C virus assembly.

RPL3

RPL3 (uL3, ribosomal protein L3) is a human 22q13.1 gene encoding a 60S large-subunit ribosomal protein near the peptidyl transferase center, with p53-independent stress-response roles; its paralog RPL3L causes neonatal dilated cardiomyopathy.

RPL4

RPL4 (ribosomal protein L4, uL4) is a human chromosome 15q22.31 gene encoding a conserved 60S ribosomal subunit protein of 425 amino acids that lines the peptide exit tunnel and shows prognostic signals in several cancers.

Oct 20, 2026

RPL5

RPL5 (ribosomal protein L5, uL18; Gene ID 6125) encodes a 60S ribosomal subunit protein that binds 5S rRNA as the 5S RNP, regulates MDM2-p53, and when mutated causes Diamond-Blackfan anemia 6.

RPL7

RPL7 (ribosomal protein L7, uL30) is a human gene at 8q21.11 encoding a 60S ribosomal subunit protein with a BZIP-like domain that binds DNA and RNA and can inhibit cell-free translation; it is an autoantigen in lupus and has many processed pseudogenes.