| Identifier | Protein names | Gene names | Cross reference refseq | Length | Species |
| Q2T9W4 | Actin-like protein 9; | ACTL9; ACTL7C; | NP_001033658.1; | 416 | cow |
| Q3B7N2 | Alpha-actinin-1; Alpha-actinin cytoskeletal isoform; F-actin cross-linking protein; Non-muscle alpha-actinin-1; | ACTN1; | NP_001030428.1; | 892 | cow |
| Q3ZC55 | Alpha-actinin-2; Alpha-actinin skeletal muscle isoform 2; F-actin cross-linking protein; | ACTN2; | NP_001029807.1; | 894 | cow |
| Q0III9 | Alpha-actinin-3; Alpha-actinin skeletal muscle isoform 3; F-actin cross-linking protein; | ACTN3; | NP_001069625.1; | 901 | cow |
| A5D7D1 | Alpha-actinin-4; F-actin cross-linking protein; Non-muscle alpha-actinin 4; | ACTN4; | NP_001091521.1; | 911 | cow |
| P68138 | Actin, alpha skeletal muscle; Alpha-actin-1; | ACTA1; ACTA; | NP_776650.1;XP_005226247.1;XP_005226248.1;XP_005226249.1; | 377 | cow |
| Q2TA43 | Actin-related protein T2; ARP-T2; | ACTRT2; | NP_001033204.1; | 377 | cow |
| A4IFE3 | Beta-centractin; Actin-related protein 1B; ARP1B; | ACTR1B; | NP_001096808.1; | 376 | cow |
| Q28041 | Activin receptor type-1; EC 2.7.11.30; Activin receptor type I; ACTR-I; Serine/threonine-protein kinase receptor R1; SKR1; | ACVR1; ACVRLK2; | NULL | 509 | cow |
| P46446 | Aspartoacylase; EC 3.5.1.15; Aminoacylase-2; ACY-2; | ASPA; ACY2; | NULL | 313 | cow |
| P41500 | Acylphosphatase-1; EC 3.6.1.7; Acylphosphatase, erythrocyte/testis isozyme; Acylphosphatase, organ-common type isozyme; Acylphosphate phosphohydrolase 1; | ACYP1; ACYPE; | NP_001039447.1;XP_005212005.1; | 101 | cow |
| P07033 | Acylphosphatase-2; EC 3.6.1.7; Acylphosphatase, muscle type isozyme; Acylphosphate phosphohydrolase 2; | ACYP2; ACYP; | NP_001106701.1; | 99 | cow |
| Q10741 | Disintegrin and metalloproteinase domain-containing protein 10; ADAM 10; EC 3.4.24.81; Kuzbanian protein homolog; Mammalian disintegrin-metalloprotease; Myelin-associated metalloproteinase; CD antigen CD156c; | ADAM10; MADM; | NP_776921.1; | 748 | cow |
| P18130 | Alpha-1A adrenergic receptor; Alpha-1A adrenoreceptor; Alpha-1A adrenoceptor; Alpha-1C adrenergic receptor; | ADRA1A; ADRA1C; | NP_776923.1; | 466 | cow |
| Q28838 | Alpha-2A adrenergic receptor; Alpha-2A adrenoreceptor; Alpha-2A adrenoceptor; Alpha-2AAR; Alpha-2D adrenergic receptor; | ADRA2A; | NP_776924.1; | 452 | cow |
| O77700 | Alpha-2B adrenergic receptor; Alpha-2B adrenoreceptor; Alpha-2B adrenoceptor; Alpha-2BAR; Fragment; | ADRA2B; | NULL | 392 | cow |
| Q0VC13 | Adenosine deaminase-like protein; EC 3.5.4.-; | ADAL; | NP_001069045.1; | 351 | cow |
| O77780 | Disintegrin and metalloproteinase domain-containing protein 2; ADAM 2; Fertilin subunit beta; PH-30; PH30; PH30-beta; | ADAM2; FTNB; | NP_776653.1; | 745 | cow |
| Q5E9J7 | tRNA-specific adenosine deaminase 2; EC 3.5.4.-; Deaminase domain-containing protein 1; tRNA-specific adenosine-34 deaminase subunit ADAT2; | DEADC1; ADAT2; | NP_001029952.1; | 191 | cow |
| P56658 | Adenosine deaminase; EC 3.5.4.4; Adenosine aminohydrolase; | ADA; | NP_776312.1; | 363 | cow |
