Isoleusina
| Isoleusina | |
|---|---|
| Nama sistematik | Asam 2S,3S-2-amino-3-metilpentanoat |
| Singkatan | Ile I |
| Kode genetik | AUU AUC AUA |
| Rumus kimia | C6H13NO2 |
| Massa molekul | 131,18 g mol−1 |
| Titik lebur | 284 °C |
| Massa jenis | ? g cm−3 |
| Titik isoelektrik | 6,02 |
| pKa | 2,26 9,60 |
| Nomor CAS | 73-32-5 |
| SMILES | CCC(C)C(N)C(=O)O |
 
| |
Isoleusina adalah satu dari asam amino penyusun protein yang dikode oleh DNA. Rumus kimianya sama dengan leusin tetapi susunan atom-atomnya berbeda. Ini berakibat pada sifat yang berbeda. Isoleusina bersifat hidrofobik (tidak larut dalam air) dan esensial bagi manusia.
 |
| L-isoleusina (2S,3S) & D-isoleusina (2R,3R) |
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| L-allo-isoleusina (2S,3R) & D-allo-isoleusina (2R,3S) |
Walaupun berdasarkan strukturnya ada empat kemungkinan stereoisomer seperti treonin, isoleusina alam hanya tersedia dalam satu bentuk saja (lihat boks).
Pranala luar
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