| ETC | electron transport chain; esophageal tracheal combitude; estimated time of conception |
|---|---|
| Fd | the amino-terminal portion of the heavy chain of an immunoglobulin molecule; ferredoxin |
| FSHB | follicle-stimulating hormone, beta chain |
| FTH | ferritin heavy chain; fracture threshold |
| FTL | ferritin light chain |
| long-chain-fatty-acyl-glutamate deacylase | <enzyme> Lca aminoacylase I almost specific to l-glutamate-containing lipoamino acids; lca aminoacylase II acts on fatty acyl amino acids with chain lengths between c11 and c16 Registry number: EC 3.5.1.55 Synonym: lca aminoacylase I, lca aminoacylase II, n-long chain acyl aminoacylase (26 Jun 1999) |
|---|---|
| LTDH short chain dehydrogenase | <enzyme> Has been sequenced; responsible for methotrexate resistance; isolated from leishmania sp. Registry number: EC 1.3.- Synonym: ltdh gene product, pteridine reductase 1, ptr1 gene product, hmtx(r) gene product (26 Jun 1999) |