| Identifier | Protein names | Gene names | Cross reference refseq | Length | Species |
| Q05204 | Lysosome-associated membrane glycoprotein 1; LAMP-1; Lysosome-associated membrane protein 1; CD107 antigen-like family member A; Chromaffin granule-associated membrane glycoprotein IIA; CD antigen CD107a; | LAMP1; | NP_001068592.1; | 409 | cow |
| A4FV27 | Lysosome-associated membrane glycoprotein 5; Lysosome-associated membrane protein 5; LAMP-5; | LAMP5; | NP_001076887.1; | 280 | cow |
| Q6QRN8 | Lysosomal-associated transmembrane protein 4A; | LAPTM4A; | NP_991368.1; | 233 | cow |
| Q71SV0 | Lysosomal-associated transmembrane protein 4B; | LAPTM4B; | NP_991371.1; | 226 | cow |
| Q2KJA5 | Lysosomal-associated transmembrane protein 5; Lysosomal-associated multitransmembrane protein 5; | LAPTM5; | NP_001039583.1; | 264 | cow |
| Q28880 | Lingual antimicrobial peptide; | LAP; | NULL | 64 | cow |
| Q3B7M5 | LIM and SH3 domain protein 1; LASP-1; | LASP1; | NP_001030471.1; | 260 | cow |
| Q0VCM6 | Large neutral amino acids transporter small subunit 4; L-type amino acid transporter 4; Solute carrier family 43 member 2; | SLC43A2; LAT4; | NP_001069014.1; | 568 | cow |
| Q58CT8 | Lymphocyte transmembrane adapter 1; Membrane-associated adapter protein LAX; | LAX1; LAX; | NP_001015674.1; | 387 | cow |
| P10881 | Lupus La protein homolog; La autoantigen homolog; La ribonucleoprotein; | SSB; | NP_788838.1;XP_005202366.1; | 404 | cow |
| A5PJU8 | Protein LBH; | LBH; | NP_001092622.1;XP_005212942.1; | 105 | cow |
| Q8MI28 | Limbin; | EVC2; LBN; | NP_776352.1; | 1209 | cow |
| Q2TBI0 | Lipopolysaccharide-binding protein; LBP; | LBP; | NP_001033763.1; | 481 | cow |
| Q3SX41 | Luc7-like protein 3; Cisplatin resistance-associated-overexpressed protein; | LUC7L3; CROP; | NP_001029856.1;XP_005220659.1; | 432 | cow |
| A7E3D8 | Lebercilin-like protein; Leber congenital amaurosis 5-like protein; | LCA5L; | NP_001181997.1;XP_005202035.1;XP_005202036.1; | 670 | cow |
| Q3T0H0 | Leucine carboxyl methyltransferase 1; EC 2.1.1.233; [Phosphatase 2A protein]-leucine-carboxy methyltransferase 1; | LCMT1; | NP_001069956.1; | 332 | cow |
| Q3T056 | L-lactate dehydrogenase A-like 6B; EC 1.1.1.27; | LDHAL6B; | NP_001030352.1; | 381 | cow |
| P19858 | L-lactate dehydrogenase A chain; LDH-A; EC 1.1.1.27; LDH muscle subunit; LDH-M; | LDHA; | NP_776524.1;XP_005226796.1; | 332 | cow |
| Q5E9B1 | L-lactate dehydrogenase B chain; LDH-B; EC 1.1.1.27; | LDHB; | NP_776525.1; | 334 | cow |
| P01131 | Low-density lipoprotein receptor; LDL receptor; Fragment; | LDLR; | NULL | 264 | cow |
