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 Pantothenic acid, also called vitamin B5 is a water-soluble B vitamin and therefore an essential nutrient. All animals require pantothenic acid in order to synthesize coenzyme A (CoA) – essential for fatty acid metabolism – as well as to, i ...

(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 The Alekhine's Defence is a chess opening that begins with the moves: :1. e4 Nf6 Black tempts White's pawns forward to form a broad , with plans to undermine and attack the white structure later in the spirit of hypermodern defence. White's i ...

(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 ''Babylon 5'' is an American space opera television series created by writer and producer J. Michael Straczynski, under the Babylonian Productions label, in association with Straczynski's Synthetic Worlds Ltd. and Warner Bros. Domestic Tel ...

'', 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 The Mazda B-series engine - not to be confused with the Mazda B-Series truck - is a small-sized, iron-block, inline four-cylinder with belt-driven SOHC and DOHC valvetrain ranging in displacement from 1.1 to 1.8 litres. It was used from front-w ...

series * B-5, the manufacturer's model number for the

Blackburn Baffin The Blackburn B-5 Baffin biplane torpedo bomber designed and produced by the British aircraft manufacturer Blackburn Aircraft. It was a development of the Ripon, the chief change being that a 545 hp (406 kW) Bristol Pegasus I.MS radial ...

biplane * B5 platform, the series designator for

Audi A4 The Audi A4 is a line of compact executive cars produced since 1994 by the German car manufacturer Audi, a subsidiary of the Volkswagen Group. The A4 has been built in five generations and is based on the Volkswagen Group B platform. The first ...

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 The Kinner B-5 was a popular five cylinder American radial engine for light general and sport aircraft of the 1930s. Design and development The B-5 was a development of the earlier K-5 with slightly greater power and dimensions. The main change ...

, 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

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See also