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Homocystine information


Not to be confused with homocysteine.
Homocystine
Names
IUPAC name
(2S,2′S)-4,4'-Disulfanediylbis(2-aminobutanoic acid)
Other names
L-Homocystine; L-4,4′-Dithiobis(2-aminobutanoic acid)
Identifiers
CAS Number
  • 626-72-2 checkY
3D model (JSmol)
  • Interactive image
ChEBI
  • CHEBI:141698
ECHA InfoCard 100.009.966 Edit this at Wikidata
PubChem CID
  • 439579
UNII
  • 804AS222UE checkY
CompTox Dashboard (EPA)
  • DTXSID001019905 Edit this at Wikidata
InChI
  • InChI=1S/C8H16N2O4S2/c9-5(7(11)12)1-3-15-16-4-2-6(10)8(13)14/h5-6H,1-4,9-10H2,(H,11,12)(H,13,14)/t5-,6-/m0/s1
    Key: ZTVZLYBCZNMWCF-WDSKDSINSA-N
SMILES
  • C(CSSCC[C@@H](C(=O)O)N)[C@@H](C(=O)O)N
Properties
Chemical formula
 C8H16N2O4S2
Molar mass 268.35 g·mol−1
Appearance colorless solid
Melting point 281–284 °C (538–543 °F; 554–557 K)[1]
Except where otherwise noted, data are given for materials in their standard state (at 25 °C [77 °F], 100 kPa).
Infobox references

Homocystine is the organosulfur compound with the formula (HO2CCH(NH2)CH2CH2S)2. It is disulfide derived from oxidation of homocysteine.[2] Its relationship with homocysteine is analogous to the relationship between cystine and cysteine.

  1. ^ "L-Homocystine". Sigma-Aldrich.
  2. ^ Jackson, Peter; Stanley, Keith; Luzio, J. Paul (1986). "Specific fluorescent detection of disulphide-bridged peptides on thin-layer chromatograms". Biochemical Society Transactions. 14 (4): 750–751. doi:10.1042/bst0140750.

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Homocystine

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Homocystine is the organosulfur compound with the formula (HO2CCH(NH2)CH2CH2S)2. It is disulfide derived from oxidation of homocysteine. Its relationship...

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Hyperhomocysteinemia

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by an abnormally high level of total homocysteine (that is, including homocystine and homocysteine-cysteine disulfide) in the blood, conventionally described...

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Transhydrogenase

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Glutathione—cystine transhydrogenase Lactate—malate transhydrogenase Glutathione—homocystine transhydrogenase Glutathione—CoA-glutathione transhydrogenase This set...

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Homocysteine

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Milton J.; Steinman, Harry G. (1952). "The Electrolytic Reduction of Homocystine at a Controlled Reference Potential". Journal of the American Chemical...

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Sodium nitroprusside

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disulfide bonds liberates cysteine from cystine as well as homocysteine from homocystine. Next, sodium nitroprusside is added to the solution and it reacts with...

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Adenosylhomocysteinase

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promoting the buildup of S-adenosyl-L-homocystine (due to equilibrium constant favors S-adenosyl-L-homocystine), a potent inhibitor of methyl transfer...

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Homocysteic acid

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methionine metabolism. Homocysteic acid is prepared by the oxidation of homocystine with aqueous bromine. Grandes, P; Kq, KQD; Morino, P; Cuénod, M; Streit...

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Renal vein thrombosis

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due to a mutation to the CBS gene. This mutation causes the amino acid homocystine not to be used properly thus high levels build up in the blood, damaging...

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Translocase

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related molecules including djenkolate, lanthionine, diaminopimelate and homocystine. (1) ATP + H2O + L-cystine [cystine - binding protein][side 1] = ADP...

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