D-arabinose

WordNet

1. the 4th letter of the Roman alphabet (同)d

PrepTutorEJDIC

1. deuteriumの化学記号
2. (おもに人称代名詞・固有名詞(人名),thereの後で)had, wouldの短縮形 / (疑問文でwhere,what,whenの後で)didの短縮形;Where'd he go?=Where did he go?

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出典(authority):フリー百科事典『ウィキペディア（Wikipedia）』「2016/10/18 04:08:22」(JST)

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Arabinose

Names
IUPAC name Arabinose
Other names Pectinose
Identifiers
CAS Number	147-81-9 Y 10323-20-3 (D) N 5328-37-0 (L) N
ChEBI	CHEBI:46983 Y
ChemSpider	59687 Y
ECHA InfoCard	100.023.831
EC Number	205-699-8
Jmol 3D model	Interactive image Interactive image
PubChem	5460291
InChI InChI=1S/C5H10O5/c6-1-3(8)5(10)4(9)2-7/h1,3-5,7-10H,2H2/t3-,4-,5+/m1/s1 Y Key: PYMYPHUHKUWMLA-WDCZJNDASA-N Y InChI=1/C5H10O5/c6-1-3(8)5(10)4(9)2-7/h1,3-5,7-10H,2H2/t3-,4-,5+/m1/s1 Key: PYMYPHUHKUWMLA-WDCZJNDABW
SMILES O=C[C@@H](O)[C@H](O)[C@H](O)CO C([C@H]([C@H]([C@@H](C=O)O)O)O)O
Properties
Chemical formula	C5H10O5
Molar mass	150.13 g/mol
Appearance	Colorless crystals as prisms or needles
Density	1.585 g/cm3 (20 ºC)
Melting point	164 to 165 °C (327 to 329 °F; 437 to 438 K)
Solubility in water	Soluble
Hazards
NFPA 704	1 1 0
Related compounds
Related aldopentoses	Ribose Xylose Lyxose
Except where otherwise noted, data are given for materials in their standard state (at 25 °C [77 °F], 100 kPa).
N verify (what is YN ?)
Infobox references

Arabinose is an aldopentose – a monosaccharide containing five carbon atoms, and including an aldehyde (CHO) functional group.

For biosynthetic reasons, most saccharides are almost always more abundant in nature as the "D"-form, or structurally analogous to D-glyceraldehyde. However, L-arabinose is in fact more common than D-arabinose in nature and is found in nature as a component of biopolymers such as hemicellulose and pectin.

The L-arabinose operon, also known as the araBAD operon, has been the subject of much biomolecular research. The operon directs the catabolism of arabinose in E. coli, and it is dynamically activated in the presence of arabinose and the absence of glucose.

A classic method for the organic synthesis of arabinose from glucose is the Wohl degradation.

D-Arabinose
α-D-Arabinofuranose	β-D-Arabinofuranose
α-D-Arabinopyranose	β-D-Arabinopyranose

Etymology

Arabinose gets its name from gum arabic, from which it was first isolated.

Use

In synthetic biology, arabinose is often used as a one-way or reversible switch for protein expression under the P_bad promoter in E. coli. This on-switch can be negated by the presence of glucose or reversed off by the addition of glucose in the culture medium which is a form of catabolite repression.

Some organic acid tests check for the presence of arabinose, which may indicate overgrowth of intestinal yeast such as Candida albicans or other yeast/fungus species.

See also

• Arabinosyl nucleosides

Notes

References

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• The journal of physical chemistry. B.J Phys Chem B.2017 May 18;121(19):4968-4980. doi: 10.1021/acs.jpcb.7b01838. Epub 2017 May 3.
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Japanese Journal

• Novel process for producing 6-deoxy monosaccharides from L-fucose by coupling and sequential enzymatic method

• Journal of bioscience and bioengineering 121(1), 1-6, 2016-01
• NAID 40020727050

• 3P-075 Lactobacillus nodensisのD-arabinose代謝経路の解析(代謝工学,一般講演)

• 日本生物工学会大会講演要旨集 67, 289, 2015-09-25
• NAID 110010009490

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