| Identifier | Protein names | Gene names | Cross reference refseq | Length | Species | 
| F1LPQ2 | Activating signal cointegrator 1 complex subunit 3; EC 3.6.4.12; | Ascc3; | NULL | 2197 | rat | 
| P19359 | Achaete-scute homolog 1; | Ascl1; Ash1 Mash-1; | NP_071779.1; | 233 | rat | 
| P19360 | Achaete-scute homolog 2; Mash2; | Ascl2; Ash2 Mash-2 Mash2; | NP_113691.1; | 260 | rat | 
| Q8VI04 | Isoaspartyl peptidase/L-asparaginase; EC 3.4.19.5; EC 3.5.1.1; Asparaginase-like protein 1; Asparaginase-like sperm autoantigen; Beta-aspartyl-peptidase; Glial asparaginase; Isoaspartyl dipeptidase; L-asparagine amidohydrolase; [Cleaved into: Isoaspartyl 癷?癸 | Asrgl1; Alp Gliap Hiob; | NP_659557.1; | 333 | rat | 
| P02706 | Asialoglycoprotein receptor 1; ASGP-R 1; ASGPR 1; Hepatic lectin 1; HL-1; rHL-1; | Asgr1; Asgr-1; | NP_036635.1;XP_006246641.1; | 284 | rat | 
| P08290 | Asialoglycoprotein receptor 2; ASGP-R 2; ASGPR 2; Hepatic lectin R2/3; HL-2; rHL-2; | Asgr2; Asgr-2; | NP_058885.1;XP_006246738.1; | 301 | rat | 
| Q5RJT0 | Ashwin; | NULL | NP_001008517.1; | 232 | rat | 
| P55926 | Acid-sensing ion channel 1; ASIC1; Amiloride-sensitive cation channel 2, neuronal; Brain sodium channel 2; BNaC2; | Asic1; Accn2 Bnac2; | NP_077068.1;XP_006257440.1;XP_006257443.1; | 526 | rat | 
| Q62962 | Acid-sensing ion channel 2; ASIC2; Amiloride-sensitive brain sodium channel; Amiloride-sensitive brain sodium channel 2; Amiloride-sensitive cation channel 1, neuronal; Amiloride-sensitive cation channel neuronal 1; Brain sodium channel 1; BNC1; BNaC1; Ma癷?癸 | Asic2; Accn1 Bnac1 Mdeg; | NP_001029186.1;NP_037024.2; | 512 | rat | 
| O35240 | Acid-sensing ion channel 3; ASIC3; Amiloride-sensitive cation channel 3; Dorsal root ASIC; DRASIC; | Asic3; Accn3 Drasic; | NP_775158.1; | 533 | rat | 
| Q9JHS6 | Acid-sensing ion channel 4; ASIC4; Amiloride-sensitive cation channel 4; Spinal chord ASIC; | Asic4; Accn4 Spasic; | NP_071570.2; | 539 | rat | 
| Q9R0W5 | Acid-sensing ion channel 5; ASIC5; Amiloride-sensitive cation channel 5; Brain-liver-intestine amiloride-sensitive Na(+) channel; BLINaC; | Asic5; Accn5 Blinac; | NP_071563.1; | 495 | rat | 
| Q99JA2 | Agouti-signaling protein; ASP; Agouti switch protein; | Asip; A; | NP_443211.1; | 131 | rat | 
| Q641Z7 | Acid sphingomyelinase-like phosphodiesterase 3a; ASM-like phosphodiesterase 3a; EC 3.1.4.-; | Smpdl3a; Asml3a; | NP_001005539.1; | 445 | rat | 
| B3GSH5 | Acetylserotonin O-methyltransferase; EC 2.1.1.4; Hydroxyindole O-methyltransferase; | Asmt; Hiomt; | NP_653360.2; | 432 | rat | 
| P49088 | Asparagine synthetase [glutamine-hydrolyzing]; EC 6.3.5.4; Glutamine-dependent asparagine synthetase; | Asns; | NP_037211.2;XP_006236151.1; | 561 | rat | 
| Q5I0J9 | Putative L-aspartate dehydrogenase; EC 1.4.1.21; Aspartate dehydrogenase domain-containing protein; | Aspdh; | NP_001009643.2; | 297 | rat | 
| P30919 | N(4)-(Beta-N-acetylglucosaminyl)-L-asparaginase; EC 3.5.1.26; Aspartylglucosaminidase; AGA; Glycosylasparaginase; N4-(N-acetyl-beta-glucosaminyl)-L-asparagine amidase; [Cleaved into: Glycosylasparaginase alpha chain; Glycosylasparaginase beta chain]; | Aga; | NP_001026811.1; | 345 | rat | 
| Q5HZW3 | Aspartate beta-hydroxylase domain-containing protein 2; EC 1.14.11.-; | Asphd2; | NP_001009716.1;XP_008767567.1;XP_008767568.1;XP_008767569.1;XP_008767570.1;XP_008767571.1;XP_008767572.1;XP_008767573.1; | 343 | rat | 
| P09034 | Argininosuccinate synthase; EC 6.3.4.5; Citrulline--aspartate ligase; | Ass1; Ass; | NP_037289.1;XP_006233973.1; | 412 | rat | 
