| AN1-type zinc finger protein 6 (Fragment) | ZFAND6 | H3BT16 | 1 |
| Anamorsin | CIAPIN1 | H3BUG4 | 1 |
| Anaphase-promoting complex subunit 4 | ANAPC4 | D6RFM7 | 1 |
| Angio-associated migratory cell protein (Fragment) | AAMP | H7C0R2 | 1 |
| Angiomotin-like protein 1 | AMOTL1 | Q8IY63 | 1 |
| Angiopoietin-1 (ANG-1) | ANGPT1 KIAA0003 | Q5HYA0 | 1 |
| Angiopoietin-2 | ANGPT2 | E7EVQ3 | 1 |
| Angiotensin-converting enzyme | ACE | J3QSC7 | 1 |
| Angiotensin-converting enzyme 2 (EC 3.4.17.23) (ACE-related carboxypeptidase) (Angiotensin-converting enzyme homolog) (ACEH) (Metalloprotease MPROT15) [Cleaved into: Processed angiotensin-converting enzyme 2] | ACE2 UNQ868/PRO1885 | C7ECU1 | 1 |
| Angiotensinogen (Fragment) | AGT | A7L3A3 | 1 |
| Anion exchange protein | SLC4A10 | E7EW28 | 1 |
| Anion exchange protein 3 (AE 3) (Anion exchanger 3) (CAE3/BAE3) (Cardiac/brain band 3-like protein) (Neuronal band 3-like protein) (Solute carrier family 4 member 3) | SLC4A3 AE3 | P48751 | 1 |
| Anion exchange protein 4 (AE 4) (Anion exchanger 4) (Sodium bicarbonate cotransporter 5) (Solute carrier family 4 member 9) | SLC4A9 AE4 SBC5 | Q96Q91 | 1 |
| ANKRD33 protein | ANKRD33 | Q0VAA8 | 1 |
| Ankylosis, progressive homolog (Fragment) | 0 | Q53HE9 | 1 |
| Ankyrin repeat and MYND domain containing 2, isoform CRA_c (Ankyrin repeat and MYND domain-containing protein 2) | ANKMY2 hCG_19294 | G3V0G5 | 1 |
| Ankyrin repeat and MYND domain-containing protein 1 (Testis-specific ankyrin-like protein 1) (Zinc finger MYND domain-containing protein 13) | ANKMY1 TSAL1 ZMYND13 | Q9P2S6 | 1 |
| Ankyrin repeat and SAM domain-containing protein 6 (Ankyrin repeat domain-containing protein 14) (SamCystin) (Sterile alpha motif domain-containing protein 6) (SAM domain-containing protein 6) | ANKS6 ANKRD14 PKDR1 SAMD6 | Q68DC2 | 1 |
| Ankyrin repeat and SOCS box protein 1 (ASB-1) | ASB1 KIAA1146 | Q9Y576 | 1 |
| Ankyrin repeat and SOCS box protein 18 (ASB-18) | ASB18 | Q6ZVZ8 | 1 |
| Ankyrin repeat and SOCS box protein 2 (ASB-2) | ASB2 | Q96Q27 | 1 |
| Ankyrin repeat and SOCS box protein 2 (Fragment) | ASB2 | G3V484 | 1 |
| Ankyrin repeat and SOCS box protein 4 (ASB-4) | ASB4 | Q9Y574 | 1 |
| Ankyrin repeat and SOCS box protein 6 | ASB6 | F6TX30 | 1 |
| Ankyrin repeat and SOCS box protein 9 (ASB-9) | ASB9 | Q96DX5 | 1 |
| Ankyrin repeat and sterile alpha motif domain-containing protein 1B | ANKS1B | J3QSU0 | 1 |
| Ankyrin repeat and sterile alpha motif domain-containing protein 1B (Fragment) | ANKS1B | H0YI72 | 1 |
| Ankyrin repeat domain 11 variant (Fragment) | 0 | Q59GC3 | 1 |
| Ankyrin repeat domain-containing protein 13C | ANKRD13C | Q8N6S4 | 1 |
| Ankyrin repeat domain-containing protein 17 (Fragment) | ANKRD17 | H0YM23 | 1 |
| Ankyrin repeat domain-containing protein 2 (Skeletal muscle ankyrin repeat protein) (hArpp) | ANKRD2 ARPP | Q9GZV1 | 1 |
| Ankyrin repeat domain-containing protein 23 (Diabetes-related ankyrin repeat protein) (Muscle ankyrin repeat protein 3) | ANKRD23 DARP | Q86SG2 | 1 |
| Ankyrin repeat domain-containing protein 29 | ANKRD29 | Q8N6D5 | 1 |
| Ankyrin repeat domain-containing protein 30A | ANKRD30A | Q5W026 | 1 |
| Ankyrin repeat domain-containing protein 30A (Serologically defined breast cancer antigen NY-BR-1) | ANKRD30A | Q9BXX3 | 1 |
| Ankyrin repeat domain-containing protein 33 | ANKRD33 C12orf7 | Q7Z3H0 | 1 |
| Ankyrin repeat domain-containing protein 33B | ANKRD33B | A6NCL7 | 1 |
| Ankyrin repeat domain-containing protein 34B | ANKRD34B | A5PLL1 | 1 |
| Ankyrin repeat domain-containing protein 34C | ANKRD34C | P0C6C1 | 1 |
| Ankyrin repeat domain-containing protein 35 | ANKRD35 | Q8N283 | 1 |
| Ankyrin repeat domain-containing protein 36B (CLL-associated antigen KW-1) | ANKRD36B | Q8N2N9 | 1 |
| Ankyrin repeat domain-containing protein 36C (Fragment) | ANKRD36C | H0YDI7 | 1 |
| Ankyrin repeat domain-containing protein 6 (Fragment) | ANKRD6 | E5RJR9 | 1 |
| Ankyrin repeat domain-containing protein 61 | ANKRD61 | A6NGH8 | 1 |
| Ankyrin repeat domain-containing protein 66 | ANKRD66 | B4E2M5 | 1 |
| Ankyrin repeat domain-containing protein 66 (Fragment) | ANKRD66 | H3BTF0 | 1 |
| Ankyrin repeat domain-containing protein 7 (Testis-specific protein TSA806) | ANKRD7 | Q92527 | 1 |
| Ankyrin repeat domain-containing protein SOWAHA (Ankyrin repeat domain-containing protein 43) (Protein sosondowah homolog A) | SOWAHA ANKRD43 | Q2M3V2 | 1 |
| Ankyrin repeat domain-containing protein SOWAHB (Ankyrin repeat domain-containing protein 56) (Protein sosondowah homolog B) | SOWAHB ANKRD56 | A6NEL2 | 1 |
| Ankyrin-3 (ANK-3) (Ankyrin-G) | ANK3 | Q5CZH9 | 1 |
| Ankyrin-3 (ANK-3) (Ankyrin-G) | ANK3 | Q13484 | 1 |
| Ankyrin-3 (Fragment) | ANK3 | H0Y3A4 | 1 |
| Annexin | 0 | B3KRQ1 | 1 |
| Annexin | ANXA1 | B5BU38 | 1 |
| Annexin | 0 | B4DHY4 | 1 |
| Annexin | ANXA8L1 | A0A087WUP0 | 1 |
| Annexin | ANXA6 | E5RI05 | 1 |
| Annexin | ANXA8 | A0A087WTN9 | 1 |
| Annexin (Fragment) | 0 | Q53FB5 | 1 |
| Annexin (Fragment) | ANXA6 hCG_39152 | A0A0S2Z377 | 1 |
| Annexin (Fragment) | ANXA2 | H0YKX9 | 1 |
| Annexin (Fragment) | ANXA6 | H0YC77 | 1 |
| Annexin A2 | ANXA2 | H0YKN4 | 1 |
| Annexin A6 (67 kDa calelectrin) (Annexin VI) (Annexin-6) (Calphobindin-II) (CPB-II) (Chromobindin-20) (Lipocortin VI) (Protein III) (p68) (p70) | ANXA6 ANX6 | E9PGK1 | 1 |
| Annexin A6 (Fragment) | ANXA6 | E5RFF0 | 1 |
| Anoctamin | 0 | B3KX12 | 1 |
| Anoctamin | 0 | B4DZA5 | 1 |
| Anoctamin (Fragment) | ANO1 | Q8NCT7 | 1 |
| Anoctamin-2 (Transmembrane protein 16B) | ANO2 C12orf3 TMEM16B | Q9NQ90 | 1 |
| Anoctamin-3 (Transmembrane protein 16C) | ANO3 C11orf25 TMEM16C GENX-3947 | Q9BYT9 | 1 |
| Anoctamin-4 (Transmembrane protein 16D) | ANO4 TMEM16D | Q32M45 | 1 |
| Anoctamin-5 (Gnathodiaphyseal dysplasia 1 protein) (Transmembrane protein 16E) | ANO5 GDD1 TMEM16E | Q75V66 | 1 |
| Anoctamin-6 (Small-conductance calcium-activated nonselective cation channel) (SCAN channel) (Transmembrane protein 16F) | ANO6 TMEM16F | E9PB30 | 1 |
| ANP32A protein | ANP32A | Q3KPI8 | 1 |
| Anterior gradient protein 2 homolog | AGR2 | B5MC07 | 1 |
| Anterior gradient protein 2 homolog (Fragment) | AGR2 | C9J3E2 | 1 |
| Anterior gradient protein 2 homolog (Fragment) | AGR2 | H7C3Z9 | 1 |
| Anthrax toxin receptor 2 | ANTXR2 | J3KPY9 | 1 |
| Anti-Mpl scFv (Fragment) | 0 | A2J423 | 1 |
| Anti-mucin1 light chain variable region (Fragment) | 0 | A2JA16 | 1 |
| Anti-streptococcal/anti-myosin immunoglobulin kappa light chain variable region (Fragment) | 0 | Q96SA9 | 1 |
| Antigen MLAA-20 (Fragment) | 0 | Q6WG76 | 1 |
| Antithrombin (Fragment) | AT3 | Q8IZZ9 | 1 |
| Antithrombin-III (SERPINC1 protein) | SERPINC1 | Q8TCE1 | 1 |
| AP-1 complex subunit mu-1 | AP1M1 | E7ENJ6 | 1 |
| AP-1 complex subunit mu-1 | AP1M1 | K7EJL1 | 1 |
| AP-1 complex subunit mu-1 (Fragment) | AP1M1 | K7EQ90 | 1 |
| AP-1 complex subunit mu-2 (Fragment) | AP1M2 | K7ERH5 | 1 |
| AP-1 complex subunit mu-2 (Fragment) | AP1M2 | K7EJJ1 | 1 |
| AP-1 complex subunit mu-2 (Fragment) | AP1M2 | K7EMG5 | 1 |
| AP-1 complex subunit sigma-1A (Adaptor protein complex AP-1 subunit sigma-1A) (Adaptor-related protein complex 1 subunit sigma-1A) (Clathrin assembly protein complex 1 sigma-1A small chain) (Clathrin coat assembly protein AP19) (Golgi adaptor HA1/AP1 adaptin sigma-1A subunit) (HA1 19 kDa subunit) (Sigma 1a subunit of AP-1 clathrin) (Sigma-adaptin 1A) (Sigma1A-adaptin) | AP1S1 AP19 CLAPS1 | Q9BTN4 | 1 |
| AP-1 complex subunit sigma-2 | AP1S2 | F6SFB5 | 1 |
| AP-2 complex subunit alpha-1 (Fragment) | AP2A1 | M0R2D9 | 1 |
| AP-2 complex subunit alpha-2 (Fragment) | AP2A2 | E9PPZ3 | 1 |
| AP-2 complex subunit alpha-2 (Fragment) | AP2A2 | E9PS94 | 1 |
| AP-2 complex subunit alpha-2 (Fragment) | AP2A2 | E9PNC4 | 1 |
| AP-2 complex subunit beta (Fragment) | AP2B1 | K7EJX1 | 1 |
| AP-2 complex subunit mu | AP2M1 | E9PFW3 | 1 |
| AP-2 complex subunit mu (Fragment) | AP2M1 | C9JTK4 | 1 |
| AP-2 complex subunit mu (Fragment) | AP2M1 | C9JJ47 | 1 |