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Names | |
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IUPAC name
(2S,2′S)-4,4'-Disulfanediylbis(2-aminobutanoic acid)
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Other names
L-Homocystine; L-4,4′-Dithiobis(2-aminobutanoic acid)
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Identifiers | |
3D model (JSmol)
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ChEBI | |
ECHA InfoCard | 100.009.966 |
PubChem CID
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UNII | |
CompTox Dashboard (EPA)
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Properties | |
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).
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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.
References
- ^ "L-Homocystine". Sigma-Aldrich.
- ^ 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.