A3
Encyclopedia
A3, A03, A-3, A.3, A.III or A 3 can refer to:
In biology
- A3 regulatory sequence, a sequence for the insulin gene
- Adenosine A3 receptorAdenosine A3 receptorThe adenosine A3 receptor, also known as ADORA3, is an adenosine receptor, but also denotes the human gene encoding it.- Function :Adenosine A3 receptors are G protein-coupled receptors that couple to Gi/Gq and are involved in a variety of intracellular signaling pathways and physiological functions...
, a human gene - Annexin A3Annexin A3Annexin A3 is a protein that in humans is encoded by the ANXA3 gene.It is abnormally expressed in fetuses of both IVF and ICSI, which may contribute to the increase risk of birth defects in these ART.-Further reading:...
, a human gene - ATC code A03ATC code A03-A03AA Synthetic anticholinergics, esters with tertiary amino group:-A03AA Synthetic anticholinergics, esters with tertiary amino group:-A03AA Synthetic anticholinergics, esters with tertiary amino group::A03AA01 Oxyphencyclimine:A03AA03 Camylofin...
Drugs for functional gastrointestinal disorders, a subgroup of the Anatomical Therapeutic Chemical Classification System - Brachydactyly type A3, a disease
- British NVC community A3 (Spirodela polyrhiza - Hydrocharis morsus-ranae community), a British Isles plants community
- Gibberellin A3, a plant hormone
- HLA-A3HLA-A3HLA-A3 is a human leukocyte antigen serotype within HLA-A serotype group. The serotype is determined by the antibody recognition of α3 subset of HLA-A α-chains. For A3, the alpha, "A", chain are encoded by the HLA-A*03 allele group and the β-chain are encoded by B2M locus. This group currently is...
, a Human MHC Serotype HLA-A - Subfamily A3, a rhodopsin-like receptorsRhodopsin-like receptorsRhodopsin-like receptors are a family of proteins that comprise the largest group of G protein-coupled receptors.- Scope :G-protein-coupled receptors, GPCRs, constitute a vast protein family that encompasses a wide range of functions...
subfamily - Urea transporter A3, a trans-membrane protein
In games
- A3 - Assault on the Aerie of the Slave Lords, a 1981 module for the Dungeons & Dragons fantasy role-playing game
- A.III, A-Train III, a 1992 computer game
- Alpha TrionAlpha TrionAlpha Trion is a fictional character in the various Transformers universes. Alpha Trion is one of the Thirteen Primes, thus all his portrayals are considered to be the same individual. He is generally depicted as an ancient mechanoid with a link to Optimus Prime...
, as the former name of this character from the Transformers Series - A03, Encyclopaedia of Chess Openings code for Bird's OpeningBird's OpeningBird's Opening is a chess opening characterised by the move:Bird's is a standard but never popular flank opening. White's strategic ideas involve control of the e5-square without occupying it, but his first move is also non-developing and slightly weakens his kingside...
In sports
- A3 Champions CupA3 Champions CupA3 Champions Cup was an annual football tournament sanctioned by the East Asian Football Federation. It began in 2003, involving the league champions of China, Japan and South Korea. The host nation also invited an additional team, making this a four team tournament. South Korea was the most...
, a club football tournament also known as the East Asian Champions Cup - Arrows A3Arrows A3The Arrows A3 was a Formula One car which the Arrows team used to compete in the 1980 and 1981 Formula One seasons.-Complete Formula One World Championship results:...
, a 1980 racing car - a Grade (climbing)Grade (climbing)In rock climbing, mountaineering and other climbing disciplines, climbers give a climbing grade to a route that concisely describes the difficulty and danger of climbing the route...
In vehicles
- A-3 lifeboatA-3 lifeboatThe A-3 lifeboat was an airborne lifeboat developed by the EDO Corporation in 1947 for the United States Air Force as a successor to the Higgins Industries A-1 lifeboat...
, a 1947 lifeboat for carrying by the SB-29 Superfortress - Abrial A-3 Oricou, a French touring aircraft designed in 1927
- Audi A3Audi A3The Audi A3 is a small family car produced by the German automaker Audi since 1996. Two generations of A3 exist, both based on the Volkswagen Group A platform, which they share with several other models such as the Audi TT, Volkswagen Golf, Volkswagen Caddy and Volkswagen Touran as well as SEAT...
, a model of automobile - Aussat (Optus) A3, a 1987 Australian telecommunication satellite
- Bavarian A IIIBavarian A IIIThe Bavarian A III 2-2-2 engines were German steam locomotives in service with the Royal Bavarian State Railways .Once again these engines were used to experiment with a short boiler and Meyer expansion valve gear...
, a 1851 German steam locomotive model - LNER Gresley Classes A1 and A3LNER Gresley Classes A1 and A3The London and North Eastern Railway LNER Gresley Classes A1 and A3 locomotives represented two distinct stages in the history of the British 4-6-2 "Pacific" steam locomotives designed by Nigel Gresley...
, a Pacific Locomotive Designed by Sir Nigel Gresley - PRR A3, an American PRR 0-4-0 steam locomotive
- Prussian A 3, a 1910 German railbus
- SP&S Class A3, a 1914 steam locomotives class
In weapons or military
- A-3 Falcon, a variant of the Curtiss FalconCurtiss FalconThe Curtiss Falcon is a family of military biplane aircraft built by the United States aircraft manufacturer Curtiss Aeroplane and Motor Company during the 1920s. Most saw service as part of the United States Army Air Corps as observation aircraft with the designations O-1 and O-11, or as the...
, an attack aircraft manufactured by the Curtiss Aircraft Company - A-3 SkywarriorA-3 SkywarriorThe Douglas A-3 Skywarrior was originally designed as a strategic bomber for the United States Navy and was among the longest serving carrier-based jet aircraft in history. It entered service in the mid-1950s and was retired in 1991...
, a strategic bomber manufactured by Douglas Aircraft Company - AUG A3, a variant of the Austrian Steyr AUG rifle
- Focke-Wulf A 3, a WWI German Focke-Wulf aircraft
- Fokker A.III, a 1915 armed version of the Fokker M.5 aircraft
- HMS A3HMS A3HMS A3 was an early Royal Navy submarine.She was a member of the first British A-class of submarines, although slightly bigger than the lead boat, . She was built at Vickers, Barrow-in-Furness and was commissioned on 13 July 1904. She was accidentally rammed whilst surfacing by the submarine tender...
, a British A class submarine of the Royal Navy - M16A3, a variant of the American M16 rifle
- M60A3, a variant of the American M60 PattonM60 PattonThe 105 mm Gun Full Tracked Combat Tank, M60, also known unofficially as the M60 Patton, is a first-generation main battle tank introduced in December 1960. It was widely used by the U.S. and its Cold War allies, especially those in NATO, and remains in service throughout the world today...
tank - Polaris A-3 missile, an American submarine-launched missile
- Wendes artilleriregementeWendes artilleriregementeWendes artilleriregemente , designation A 3, was a Swedish Army artillery regiment that traced its origins back to the 17th century. It was disbanded in 2000. The regiment's soldiers were originally recruited from Skåne, and it was also garrisoned there.- History :The regiment has its origins in...
designation, a former Swedish Army artillery regiment - A3, the staff designation for air force headquarters staff concerned with operations
- In the United Kingdom, the A3 Air Operations Branch of the Joint Force Air Component Headquarters
- USS Grampus (SS-4)USS Grampus (SS-4)USS Grampus , a Plunger-class submarine later named A-3, was the fourth ship of the United States Navy to be named for two members of the dolphin family : Grampus griseus, also known as Risso's dolphin, and Orcinus orca, also known as the killer whale.Her keel was laid down on 10 December 1900 at...
, a Plunger class submarine of the United States Navy - A3J, the original designation of the US Navy's A-5 VigilanteA-5 VigilanteThe North American A-5 Vigilante was a carrier-based supersonic bomber designed for the United States Navy. Its service in the nuclear strike role to replace the A-3 Skywarrior was very short; however, as the RA-5C, it saw extensive service during the Vietnam War in the tactical strike...
bomber - Aggregate 3, the 3rd design in the Aggregate family of rockets, precursor to the V-2 rocket, developed by the Germans during World War II
In music
- a musical noteNoteIn music, the term note has two primary meanings:#A sign used in musical notation to represent the relative duration and pitch of a sound;#A pitched sound itself....
, the A below Middle C - Alabama 3Alabama 3Alabama 3 are a British band mixing rock, dance, blues, country, and gospel styles, founded in Brixton, London, in 1995. In the United States, they are known as A3, allegedly to avoid any possible legal conflict with the country music band Alabama...
, a band known as A3 in the U.S. to avoid confusion with the country group Alabama - A-3, a Yamaha combo organ
- Alkaline TrioAlkaline TrioAlkaline Trio is an American punk rock band that formed in McHenry, Illinois, in 1996. The band's line-up consists of Matt Skiba , Dan Andriano , and Derek Grant...
, a rockRock musicRock music is a genre of popular music that developed during and after the 1960s, particularly in the United Kingdom and the United States. It has its roots in 1940s and 1950s rock and roll, itself heavily influenced by rhythm and blues and country music...
band
In government
- A-3 visa, a document given to employees of A-1 and A-2 Visa Holders who are representing a foreign government inside the United States of America
- In town and country planning in the United KingdomTown and country planning in the United KingdomTown and Country Planning is the land use planning system governments use to balance economic development and environmental quality. Each country of the United Kingdom has its own planning system that is responsible for town and country planning devolved to the Northern Ireland Assembly, the...
, A3 is the code for permission to use specific land or premises for restaurants and cafés
other
- A-003A-003A-003 was the fourth abort test of the Apollo spacecraft.-Objectives:Apollo mission A-003 was the fourth mission to demonstrate the abort capability of the Apollo launch escape system...
, the fourth abort test of the Apollo spacecraft - Biu-Mandara A.3 languagesBiu-Mandara A.3 languagesThe Kamwe languages, group A.3 of the Biu–Mandara branch of the Afro-Asiatic family, are mainly spoken in Far North Province, Cameroon, as well as in Adamawa State, Nigeria....
, an Afro-Asiatic family of languages mainly spoken in Far North Province, Cameroon as well as in Adamawa State, Nigeria - Cowon A3, an audio media player
- The IATA code for Aegean AirlinesAegean AirlinesAegean Airlines S.A. is the largest Greek airline by total number of passengers carried. A Star Alliance member since June 2010, it operates scheduled and charter services from Athens and Thessaloniki to other major Greek destinations as well as to a number of European destinations...
- TongaTongaTonga, officially the Kingdom of Tonga , is a state and an archipelago in the South Pacific Ocean, comprising 176 islands scattered over of ocean in the South Pacific...
aircraft registrationAircraft registrationAn aircraft registration is a unique alphanumeric string that identifies a civil aircraft, in similar fashion to a licence plate on an automobile...
code - ARITH-MATICARITH-MATICARITH-MATIC is an extension of Grace Hopper's A-2 programming language, developed around 1955. ARITH-MATIC was originally known as A-3, but was renamed by the marketing department of Remington Rand UNIVAC.-External links:*...
, as the former name for this programming language - A3A3A3, A03, A-3, A.3, A.III or A 3 can refer to:-In biology :* A3 regulatory sequence, a sequence for the insulin gene* Adenosine A3 receptor, a human gene* Annexin A3, a human gene...
, research chemical