| Identifier | Protein names | Gene names | Cross reference refseq | Length | Species | 
| P36576 | Arrestin-C; Cone arrestin; cArr; Retinal cone arrestin-3; Fragment; | Arr3; Car; | NULL | 92 | rat | 
| Q6TXF1 | Arrestin domain-containing protein 3; Liver regeneration-related protein LRRG00048; | Arrdc3; | NP_001007798.1; | 414 | rat | 
| Q7TP90 | Arrestin domain-containing protein 4; Liver regeneration-related protein LRRG041/LRRGT00117; | Arrdc4; | NP_001041318.1; | 300 | rat | 
| P37200 | Arrestin-E; Fragment; | Ear; | NULL | 72 | rat | 
| P36577 | Arrestin-D; Fragment; | Dar; | NULL | 71 | rat | 
| P15887 | S-arrestin; 48 kDa protein; Retinal S-antigen; S-AG; Rod photoreceptor arrestin; | Sag; | NP_037155.2;XP_008765418.1; | 403 | rat | 
| P50430 | Arylsulfatase B; ASB; EC 3.1.6.12; N-acetylgalactosamine-4-sulfatase; G4S; | Arsb; | NP_254278.1; | 528 | rat | 
| Q32KJ9 | Arylsulfatase G; ASG; EC 3.1.6.-; | Arsg; | NP_001041342.1;XP_006247661.1;XP_006247662.1;XP_006247663.1;XP_006247664.1;XP_006247665.1;XP_006247666.1;XP_006247668.1;XP_006247669.1;XP_006247670.1;XP_008766590.1;XP_008766591.1; | 526 | rat | 
| Q32KJ8 | Arylsulfatase I; ASI; EC 3.1.6.-; | Arsi; | NP_001041346.1; | 573 | rat | 
| Q32KJ2 | Arylsulfatase K; ASK; EC 3.1.6.-; | Arsk; | NP_001041382.1; | 563 | rat | 
| Q6AYE8 | Artemin; | Artn; | NP_445849.1;XP_006238746.1;XP_006238747.1;XP_006238749.1; | 224 | rat | 
| A6YP92 | Homeobox protein ARX; Aristaless-related homeobox; | Arx; | NP_001093644.1; | 566 | rat | 
| P50297 | Arylamine N-acetyltransferase 1; EC 2.3.1.5; Arylamide acetylase 1; N-acetyltransferase type 1; AT-1; NAT-1; | Nat1; Aac1; | NP_001032392.1;NP_001032393.1;NP_446305.1;XP_006253063.1;XP_006253064.1;XP_006253065.1;XP_006253066.1; | 290 | rat | 
| P50298 | Arylamine N-acetyltransferase 2; EC 2.3.1.5; Arylamide acetylase 2; N-acetyltransferase type 2; AT-2; NAT-2; | Nat2; Aac2; | NP_446306.1; | 290 | rat | 
| Q8VHT6 | Arsenite methyltransferase; EC 2.1.1.137; Methylarsonite methyltransferase; S-adenosyl-L-methionine:arsenic(III) methyltransferase; | As3mt; Cyt19; | NP_543166.1; | 369 | rat | 
| Q6P7S1 | Acid ceramidase; AC; ACDase; Acid CDase; EC 3.5.1.23; Acylsphingosine deacylase; N-acylsphingosine amidohydrolase; | Asah1; | NP_445859.2; | 394 | rat | 
| Q91XT9 | Neutral ceramidase; N-CDase; NCDase; EC 3.5.1.23; Acylsphingosine deacylase 2; N-acylsphingosine amidohydrolase 2; [Cleaved into: Neutral ceramidase soluble form]; | Asah2; | NP_446098.1;XP_006231323.1;XP_006231325.1;XP_006231329.1;XP_006231330.1;XP_006231332.1;XP_008758541.1;XP_008758542.1; | 761 | rat | 
| Q1AAU6 | Arf-GAP with SH3 domain, ANK repeat and PH domain-containing protein 1; 130 kDa phosphatidylinositol 4,5-bisphosphate-dependent ARF1 GTPase-activating protein; ADP-ribosylation factor-directed GTPase-activating protein 1; ARF GTPase-activating protein 1; 癷?癸 | Asap1; Ddef1; | NP_001037710.1; | 1144 | rat | 
| P0C927 | Ankyrin repeat and SOCS box protein 14; | Asb14; | NULL | 596 | rat | 
| Q5U2S6 | Ankyrin repeat and SOCS box protein 2; ASB-2; | Asb2; | NP_001011984.1; | 634 | rat | 
