| ελληνικά | ell-000 |
| κυστεΐνη | |
| català | cat-000 | cisteïna |
| čeština | ces-000 | cystein |
| dansk | dan-000 | cystein |
| Deutsch | deu-000 | Cystein |
| English | eng-000 | cysteine |
| Esperanto | epo-000 | cisteino |
| suomi | fin-000 | kysteiini |
| français | fra-000 | cystéine |
| italiano | ita-000 | cisteina |
| polski | pol-000 | cysteina |
| português | por-000 | cisteína |
| română | ron-000 | cisteină |
| русский | rus-000 | цистеи́н |
| русский | rus-000 | цистеин |
| español | spa-000 | cisteína |
| español | spa-000 | cistina |
| svenska | swe-000 | cystein |