| Identifier | Protein names | Gene names | Cross reference refseq | Length | Species |
| D3ZAL8 | Leucine-rich repeat transmembrane neuronal protein 3; | Lrrtm3; | NP_001099857.1; | 582 | rat |
| B4F7C5 | Leucine-rich repeat transmembrane neuronal protein 4; | Lrrtm4; | NP_001128218.1; | 590 | rat |
| Q62813 | Limbic system-associated membrane protein; LSAMP; | Lsamp; Lamp; | NP_058938.1;XP_006248401.1; | 338 | rat |
| Q5BJT6 | Large subunit GTPase 1 homolog; EC 3.6.1.-; | Lsg1; | NP_001013439.1; | 655 | rat |
| P01230 | Lutropin subunit beta; Lutropin beta chain; Luteinizing hormone subunit beta; LH-B; LSH-B; LSH-beta; | Lhb; | NP_001029147.1;NP_036990.1; | 141 | rat |
| P16235 | Lutropin-choriogonadotropic hormone receptor; LH/CG-R; Luteinizing hormone receptor; LSH-R; | Lhcgr; | NP_037110.1; | 700 | rat |
| Q9WU74 | Lipolysis-stimulated lipoprotein receptor; Lipolysis-stimulated remnant receptor; | Lsr; Lisch7; | NP_116005.1;XP_006228906.1;XP_006228907.1; | 593 | rat |
| Q9Z2K5 | Target of rapamycin complex subunit LST8; TORC subunit LST8; G protein beta subunit-like; Protein GbetaL; Mammalian lethal with SEC13 protein 8; mLST8; | Mlst8; Gbl Lst8; | NP_071799.2; | 326 | rat |
| Q9R0Q2 | Leukotriene B4 receptor 1; LTB4-R 1; LTB4-R1; | Ltb4r; Blt; | NP_067688.1;XP_006252073.1;XP_006252074.1; | 351 | rat |
| Q924U0 | Leukotriene B4 receptor 2; LTB4-R 2; LTB4-R2; LTB4 receptor JULF2; | Ltb4r2; | NP_446092.1;XP_008768880.1; | 358 | rat |
| Q00918 | Latent-transforming growth factor beta-binding protein 1; LTBP-1; Transforming growth factor beta-1-binding protein 1; TGF-beta-1-BP-1; Transforming growth factor beta-1-masking protein large subunit; | Ltbp1; | NP_067598.1; | 1712 | rat |
| O35806 | Latent-transforming growth factor beta-binding protein 2; LTBP-2; | Ltbp2; | NP_067597.2; | 1764 | rat |
| Q925U2 | Leukotriene C4 synthase; LTC4 synthase; EC 4.4.1.20; Leukotriene-C(4) synthase; | Ltc4s; | NP_446091.2; | 150 | rat |
| Q6P791 | Ragulator complex protein LAMTOR1; Late endosomal/lysosomal adaptor and MAPK and MTOR activator 1; Lipid raft adaptor protein p18; | Lamtor1; | NP_954533.1;XP_002727613.1;XP_002730282.1; | 161 | rat |
| Q5U204 | Ragulator complex protein LAMTOR3; Late endosomal/lysosomal adaptor and MAPK and MTOR activator 3; Mitogen-activated protein kinase kinase 1-interacting protein 1; | Lamtor3; Map2k1ip1; | NP_001008376.1;XP_006233445.1;XP_006233447.1; | 124 | rat |
| Q68FR7 | Protein LTV1 homolog; | Ltv1; | NP_001014179.1; | 470 | rat |
| P51886 | Lumican; Keratan sulfate proteoglycan lumican; KSPG lumican; | Lum; Lcn Ldc; | NP_112312.1; | 338 | rat |
| Q5BJW5 | Leucine rich adaptor protein 1-like; | Lurap1l; | NP_001020193.1; | 221 | rat |
| D4A8G3 | Leucine rich adaptor protein 1; Leucine repeat adapter protein 35A; | Lurap1; Lrap35a Lrp35a; | NP_001102733.1; | 239 | rat |
| Q9ESV1 | Leucine zipper protein 1; Leucine zipper motif-containing protein; | Luzp1; Luzp; | NULL | 1051 | rat |
