B5, B05, B-5 may refer to:

Biology

* ATC code B05 (''Blood substitutes and perfusion solutions''), a therapeutic subgroup of the Anatomical Therapeutic Chemical Classification System * Cytochrome ''b''₅, ubiquitous electron transport hemoproteins **

Cytochrome b5, type A Cytochrome b5, form A (gene name CYB5A), is a human microsomal cytochrome b5. Cytochrome b5 is a membrane bound hemoprotein which functions as an electron carrier for several membrane bound oxygenases. It has two isoforms produced by alternative s ...

, a human microsomal cytochrome b5 *

HLA-B5 HLA-B5 (B5) is an HLA- B serotype. B5 is a broad antigen serotype that recognizes the B51 and B52 split antigen Split(s) or The Split may refer to: Places * Split, Croatia, the largest coastal city in Croatia * Split Island, Canada, an isla ...

, an HLA-B serotype * Pantothenic acid (a.k.a. vitamin B₅), a water-soluble vitamin *

Procyanidin B5 Procyanidin B5 is a B type proanthocyanidin. Procyanidin B5 is an epicatechin-(4β → 6)-epicatechin dimer. Natural occurrences It can be found in grape seeds, in '' Hibiscus cannabinus'' (kenaf) root and bark, and in black chokeberries (''Ar ...

, a B type proanthocyanidin

Entertainment

* Alekhine's Defence (ECO code B5), a chess opening beginning with the moves e4 Nf6 *

B5 (band) B5, previously known as TNT Boyz and Audio, is an American Contemporary R&B, R&B group originating from St. Petersburg, Florida, which later relocated to Atlanta, Georgia. The group consists of the five Breeding family brothers, Dustin Michael ...

, an R&B boy band ** ''B5'' (album), B5's self-titled debut album * '' Babylon 5'', an American science fiction television series

Transport

Amadeus (airline) Amadeus Flugdienst was a German airline An airline is a company that provides civil aviation, air transport services for traveling passengers and freight. Airlines use aircraft to supply these services and may form partnerships or Airli ...

(IATA code: B5), an airline based in Germany (1996–2004) * B5 and B5 DOHC, models of the Mazda B engine series * B-5, the manufacturer's model number for the Blackburn Baffin biplane * B5 platform, the series designator for Audi A4 from 1994–2001 *

Bundesstraße 5 The Bundesstraße 5 (abbr. B5) is a German federal highway running in a northwesterly to southeasterly direction from the Danish border near Niebüll to Frankfurt (Oder). It provides a direct route for motorists traveling between Berlin and Hambu ...

, a German federal highway * , a Royal Navy ''B''-class submarine *

Keystone B-5 The Keystone B-5 is a light bomber made by the Keystone Aircraft company for the United States Army Air Corps in the early 1930s. The B-5A was a Keystone B-3A with Wright Cyclone rather than Pratt & Whitney engines. Design and development Three ...

, a light bomber made for the US Army Air Corps in the early 1930s * Kinner B-5, a popular five cylinder American radial engine of the 1930s *

NSB B5 NSB Class 5 or B5 is a series of passenger carriages built by Strømmens Værksted for the Norwegian State Railways. Built between 1977 and 1981, they went through a major upgrade between 2008 and 2012. Sixty-three units were delivered. Each is l ...

(Class 5), a series of passenger carriages built by Strømmens Værksted for the Norwegian State Railways * PRR B5, an American

0-6-0 Under the Whyte notation for the classification of steam locomotives, represents the wheel arrangement of no leading wheels, six powered and coupled driving wheels on three axles and no trailing wheels. This was the most common wheel arrangemen ...

steam locomotive * SM ''UB-5'', a German Type UB I submarine or U-boat in the German Imperial Navy * B5

biodiesel Biodiesel is a form of diesel fuel derived from plants or animals and consisting of long-chain fatty acid esters. It is typically made by chemically reacting lipids such as animal fat (tallow), soybean oil, or some other vegetable oil with ...

Other

Baseball5 Baseball5 (B5) is an internationally played safe haven game with many of the same rules as baseball and softball, which is governed alongside those sports by the World Baseball Softball Confederation (WBSC). The game revolves around two teams ...

, the five-a-side version of baseball *

B5 Championships B3: Battle by the Bay, the B4 Championships, and the B5 Championships were the first three instances of the open fighting game event that is now known as the annual Evolution Championship Series. B3 was created by Tom and Tony Cannon, Joey Cuellar, ...

, a 2001 fighting game tournament * %B5, the percent-encoding for the letter μ * B5, a paper size of the B series defined in

ISO 216 ISO 216 is an international standard for paper sizes, used around the world except in North America and parts of Latin America. The standard defines the "A", "B" and "C" series of paper sizes, including A4, the most commonly available paper size ...

* B5, a category of

stellar classification In astronomy, stellar classification is the classification of stars based on their stellar spectrum, spectral characteristics. Electromagnetic radiation from the star is analyzed by splitting it with a Prism (optics), prism or diffraction grati ...

Bensen B-5 The Bensen B-5 was a small rotor kite developed by Igor Bensen in the United States and offered and marketed for home building in 1954. Dubbed the "Gyro-Glider", it was the first of several such designs that would be sold by Bensen Aircraft Corpor ...

, a small rotor kite *

Border Five Border Five (Border 5; B5) is an informal forum on customs and border management policy issues with participation from Australia, Canada, New Zealand, the United Kingdom and the United States. The participating authorities are: * Department of Home ...

Biology

Entertainment

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See also