| Identifier | Protein names | Gene names | Cross reference refseq | Length | Species |
| Q17QJ0 | Histone chaperone ASF1B; Anti-silencing function protein 1 homolog B; | ASF1B; | NP_001068921.1; | 202 | cow |
| Q32LE5 | Isoaspartyl peptidase/L-asparaginase; EC 3.4.19.5; EC 3.5.1.1; Asparaginase-like protein 1; Beta-aspartyl-peptidase; Isoaspartyl dipeptidase; L-asparagine amidohydrolase; [Cleaved into: Isoaspartyl peptidase/L-asparaginase alpha chain; Isoaspartyl peptida癷?癸 | ASRGL1; | NP_001070503.1; | 308 | cow |
| A2VDP0 | Ashwin; | NULL | NP_001075008.1;XP_005212510.1; | 232 | cow |
| Q29414 | Agouti-signaling protein; ASP; Agouti switch protein; | ASIP; | NP_996674.1; | 133 | cow |
| Q3ZC91 | Acid sphingomyelinase-like phosphodiesterase 3a; ASM-like phosphodiesterase 3a; EC 3.1.4.-; | SMPDL3A; | NP_001030191.1; | 450 | cow |
| P10950 | Acetylserotonin O-methyltransferase; EC 2.1.1.4; Hydroxyindole O-methyltransferase; HIOMT; | ASMT; | NP_803459.1; | 345 | cow |
| Q0VD19 | Sphingomyelin phosphodiesterase; EC 3.1.4.12; Acid sphingomyelinase; aSMase; | SMPD1; | NP_001068655.1; | 625 | cow |
| A5PJI5 | ATPase ASNA1; EC 3.6.-.-; Arsenical pump-driving ATPase; Arsenite-stimulated ATPase; | ASNA1; | NP_001092334.1; | 348 | cow |
| Q0V8E4 | Asparagine synthetase domain-containing protein 1; | ASNSD1; | NP_001029852.1; | 640 | cow |
| Q1LZA3 | Asparagine synthetase [glutamine-hydrolyzing]; EC 6.3.5.4; Glutamine-dependent asparagine synthetase; | ASNS; | NP_001069121.1;XP_005205202.1;XP_005205203.1; | 561 | cow |
| A1L515 | Aspartate beta-hydroxylase domain-containing protein 1; EC 1.14.11.-; | ASPHD1; | NP_001075210.1; | 367 | cow |
| Q28056 | Aspartyl/asparaginyl beta-hydroxylase; EC 1.14.11.16; Aspartate beta-hydroxylase; ASP beta-hydroxylase; Peptide-aspartate beta-dioxygenase; | ASPH; | NP_777182.1; | 754 | cow |
| P62285 | Abnormal spindle-like microcephaly-associated protein homolog; Fragment; | ASPM; | NULL | 3371 | cow |
| Q3ZBN5 | Asporin; | ASPN; | NP_001029481.1; | 370 | cow |
| P14568 | Argininosuccinate synthase; EC 6.3.4.5; Citrulline--aspartate ligase; | ASS1; ASS; | NP_776317.1; | 412 | cow |
| Q2M2T6 | Protein Asterix; Protein WDR83OS homolog; | WDR83OS; | NP_001039475.1; | 106 | cow |
| Q8WMX8 | Ankyrin repeat, SAM and basic leucine zipper domain-containing protein 1; Germ cell-specific ankyrin, SAM and basic leucine zipper domain-containing protein; | ASZ1; GASZ; | NP_776488.1; | 475 | cow |
| Q08DA1 | Sodium/potassium-transporting ATPase subunit alpha-1; Na(+)/K(+) ATPase alpha-1 subunit; EC 3.6.3.9; Sodium pump subunit alpha-1; | ATP1A1; | NP_001070266.1; | 1021 | cow |
| A2VDL6 | Sodium/potassium-transporting ATPase subunit alpha-2; Na(+)/K(+) ATPase alpha-2 subunit; EC 3.6.3.9; Sodium pump subunit alpha-2; | ATP1A2; | NP_001074993.1; | 1020 | cow |
| Q28030 | Sodium/potassium-transporting ATPase subunit beta-2; Sodium/potassium-dependent ATPase subunit beta-2; | ATP1B2; | NP_777102.1; | 290 | cow |
