MP Protein ID  sort | Molecule Page Name  sort | Functional Category  sort | Status  | Publication Date  sort |
| A001417 | L-selectin | Cell surface, misc. | Unassigned | - |
| A000032 | Laforin | Protein phosphatase, dual-specificity | Assigned | - |
| A001380 | Lambda 5 | Immunoglobulin superfamily | Assigned | - |
| A003668 | Lamin A/C | Nuclear, misc. | Assigned | 21 Jul 2006 |
| A001381 | Laminin alpha 1 | Secreted protein | Assigned | - |
| A001382 | Laminin alpha 2 | Secreted protein | Unassigned | - |
| A002887 | Laminin alpha 4 | Cytoskeletal protein | Unassigned | - |
| A003778 | Laminin alpha 5 | Cytoskeletal protein | Assigned | - |
| A001383 | Laminin beta 1 | Secreted protein | Unassigned | - |
| A001384 | Laminin beta 2 | Secreted protein | Assigned | 22 Feb 2008 |
| A001385 | Laminin beta 3 | Secreted protein | Assigned | - |
| A002888 | Laminin beta 4 | Cytoskeletal protein | Unassigned | - |
| A001386 | Laminin gamma 1 | Secreted protein | Unassigned | - |
| A001387 | Laminin gamma 2 | Secreted protein | Assigned | - |
| A002889 | Laminin gamma 3 | Cytoskeletal protein | Unassigned | - |
| A002886 | Laminin, alpha 3 | Cytoskeletal protein | Unassigned | - |
| A001388 | Lamp1 | Cytosolic, misc. | Unassigned | - |
| A001389 | Lamp2 | Cytosolic, misc. | Unassigned | - |
| A001390 | Lar | Receptor, protein phosphatase, tyrosine | Unassigned | - |
| A001391 | Last | Adaptor/scaffold | Unassigned | - |
| A001392 | Lat | Adaptor/scaffold | Unassigned | - |
| A003809 | Lat2 | Adaptor/scaffold | Assigned | 10 Feb 2006 |
| A003625 | Lats1 | Protein kinase, Ser/Thr | Unassigned | - |
| A003429 | Lats2 | Protein kinase, Ser/Thr | Unassigned | - |
| A001394 | Lck | Protein kinase, tyrosine (non-receptor) | Assigned | - |
| A003167 | Lcmt1 | Enzyme, misc. | Assigned | 9 Oct 2006 |
| A003862 | Lcmt2 | Enzyme, misc. | Assigned | 26 Nov 2008 |
| A004186 | LCoR | Transcription; coactivator/corepressor | Assigned | - |
| A001396 | Lef1 | Transcription factor | Assigned | - |
| A003042 | Lemur tyrosine kinase 2 | Receptor, tyrosine kinase | Unassigned | - |
| A001397 | Leptin | Secreted protein | Unassigned | - |
| A001398 | Leptin receptor | Receptor, cytokine | Unassigned | - |
| A001399 | Leukotriene B4 receptor, type 1 | Receptor, GPCR | Unassigned | - |
| A001400 | Leukotriene B4 receptor, type 2 | Receptor, GPCR | Assigned | - |
| A001401 | Leukotriene CysLT1 receptor | Receptor, GPCR | Assigned | - |
| A001402 | Leukotriene CysLT2 receptor | Receptor, GPCR | Assigned | - |
| A003293 | Leupaxin | Adhesin/agglutinin | Unassigned | - |
| A001404 | Lfc | Guanine nucleotide exchange factor, Rac/Rho | Unassigned | - |
| A002197 | Lgn | Cytosolic, misc. | Assigned | - |
| A002958 | Lgr4 | Receptor, GPCR | Assigned | - |
| A002960 | Lgr5 | Receptor, GPCR | Assigned | - |
| A002968 | Lgr6 | Receptor, GPCR | Assigned | - |
| A002969 | Lgr7 | Receptor, GPCR | Assigned | - |
| A002959 | Lgr8 | Receptor, GPCR | Assigned | - |
| A001405 | Lif receptor | Receptor, cytokine | Unassigned | - |
| A001406 | Light | Cytokine | Unassigned | - |
| A003525 | Lilra1 | Receptor, misc. | Unassigned | - |
| A003526 | Lilra2 | Receptor, misc. | Unassigned | - |
| A003527 | Lilra3 | Receptor, misc. | Unassigned | - |
| A003060 | Lilrb1 | Cell surface, misc. | Assigned | - |
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