| Identifier | Protein names | Gene names | Cross reference refseq | Length | Species |
| A5HK05 | Amyloid protein-binding protein 2; Amyloid beta precursor protein-binding protein 2; APP-BP2; | Appbp2; | NP_001094439.1; | 585 | rat |
| D3ZQX4 | Anaphase-promoting complex subunit 15; APC15; | Anapc15; | NP_001163906.1;XP_006229922.1;XP_006229923.1;XP_006229924.1; | 132 | rat |
| A1L1K3 | Anaphase-promoting complex subunit 5; APC5; Cyclosome subunit 5; | Anapc5; | NP_001073616.1; | 727 | rat |
| P70478 | Adenomatous polyposis coli protein; Protein APC; | Apc; | NP_036631.1; | 2842 | rat |
| Q9R0R3 | Apelin; APJ endogenous ligand; [Cleaved into: Apelin-36; Apelin-31; Apelin-28; Apelin-13]; | Apln; Apel; | NP_113800.1; | 77 | rat |
| P43138 | DNA-(apurinic or apyrimidinic site) lyase; EC 3.1.-.-; EC 4.2.99.18; APEX nuclease; APEN; Apurinic-apyrimidinic endonuclease 1; AP endonuclease 1; REF-1; Redox factor-1; [Cleaved into: DNA-(apurinic or apyrimidinic site) lyase, mitochondrial]; | Apex1; Ape Apex Ref1; | NP_077062.1;XP_006251975.1; | 317 | rat |
| Q9JHG3 | Apelin receptor; Angiotensin receptor-like 1; B78; G-protein coupled receptor APJ; GPCR34; | Aplnr; Agtrl1 Apj; | NP_112639.1; | 377 | rat |
| Q6B959 | Apolipoprotein L domain-containing protein 1; Vascular early response gene protein; | Apold1; Verge; | NP_001003403.1; | 246 | rat |
| P15943 | Amyloid-like protein 2; APLP-2; Sperm membrane protein YWK-II; | Aplp2; | NULL | 765 | rat |
| Q7TP48 | Adipocyte plasma membrane-associated protein; | Apmap; | NP_001029175.1;XP_008760584.1; | 376 | rat |
| P04639 | Apolipoprotein A-I; Apo-AI; ApoA-I; Apolipoprotein A1; [Cleaved into: Proapolipoprotein A-I (ProapoA-I)]; | Apoa1; | NP_036870.1; | 259 | rat |
| P04638 | Apolipoprotein A-II; Apo-AII; ApoA-II; Apolipoprotein A2; [Cleaved into: Proapolipoprotein A-II (ProapoA-II)]; | Apoa2; | NP_037244.1;XP_006250300.1;XP_006250301.1; | 102 | rat |
| P02651 | Apolipoprotein A-IV; Apo-AIV; ApoA-IV; Apolipoprotein A4; | Apoa4; | NP_036869.1; | 391 | rat |
| Q9QUH3 | Apolipoprotein A-V; Apo-AV; ApoA-V; Apolipoprotein A5; Regeneration-associated protein 3; | Apoa5; Rap3; | NP_001264193.1;NP_542143.1; | 367 | rat |
| Q7TMA5 | Apolipoprotein B-100; Apo B-100; [Cleaved into: Apolipoprotein B-48 (Apo B-48)]; | Apob; | NP_062160.2; | 4743 | rat |
| P19939 | Apolipoprotein C-I; Apo-CIB; ApoC-IB; Apolipoprotein C1; Liver regeneration-related protein LRRG04; [Cleaved into: Truncated apolipoprotein C-I (Apo-CIB') (ApoC-IB')]; | Apoc1; | NP_001103466.1;NP_036956.1; | 88 | rat |
| P06759 | Apolipoprotein C-III; Apo-CIII; ApoC-III; Apolipoprotein C3; | Apoc3; | NULL | 101 | rat |
| P55797 | Apolipoprotein C-IV; Apo-CIV; ApoC-IV; Apolipoprotein C4; Apolipoprotein E-linked; ECL; | Apoc4; Ecl; | NP_001102889.1; | 124 | rat |
| P23593 | Apolipoprotein D; Apo-D; ApoD; | Apod; | NP_036909.1; | 189 | rat |
| P02650 | Apolipoprotein E; Apo-E; | Apoe; | NP_001257610.1;NP_001257611.1;NP_001257612.1;NP_001257613.1;NP_620183.2; | 312 | rat |
