| USP21 | Q9UK80 | PRRG1-202 | ENST00000449135 | 4481 nt | APPRIS P1 TSL 1 (best) BASIC | 3.21 | □□□□□ -1.9 | | |
| USP21 | Q9UK80 | TFEC-201 | ENST00000265440 | 6628 nt | TSL 1 (best) BASIC | 3.21 | □□□□□ -1.9 | | |
| USP21 | Q9UK80 | Y_RNA.73-201 | ENST00000362910 | 113 nt | BASIC | 3.21 | □□□□□ -1.9 | | |
| USP21 | Q9UK80 | SNORA14A-201 | ENST00000364773 | 135 nt | BASIC | 3.21 | □□□□□ -1.9 | | |
| USP21 | Q9UK80 | SNORA26.9-201 | ENST00000391322 | 122 nt | BASIC | 3.21 | □□□□□ -1.9 | | |
| USP21 | Q9UK80 | AC010255.2-201 | ENST00000505209 | 428 nt | TSL 3 BASIC | 3.21 | □□□□□ -1.9 | | |
| USP21 | Q9UK80 | AC007229.1-201 | ENST00000590455 | 412 nt | BASIC | 3.21 | □□□□□ -1.9 | | |
| USP21 | Q9UK80 | FAS-AS1.2-201 | ENST00000620386 | 170 nt | BASIC | 3.21 | □□□□□ -1.9 | | |
| USP21 | Q9UK80 | MIR1291-201 | ENST00000627649 | 87 nt | BASIC | 3.21 | □□□□□ -1.9 | | |
| USP21 | Q9UK80 | AC245427.9-201 | ENST00000633713 | 53 nt | APPRIS P1 BASIC | 3.21 | □□□□□ -1.9 | | |
| USP21 | Q9UK80 | MIR3202-2-201 | ENST00000635980 | 79 nt | BASIC | 3.21 | □□□□□ -1.9 | | |
| USP21 | Q9UK80 | SLCO1B3-201 | ENST00000261196 | 2840 nt | APPRIS P1 TSL 1 (best) BASIC | 3.21 | □□□□□ -1.9 | | |
| USP21 | Q9UK80 | MIR340-201 | ENST00000362125 | 95 nt | BASIC | 3.2 | □□□□□ -1.9 | | |
| USP21 | Q9UK80 | RNU6-1099P-201 | ENST00000363533 | 107 nt | BASIC | 3.2 | □□□□□ -1.9 | | |
| USP21 | Q9UK80 | SNORA33-201 | ENST00000363664 | 130 nt | BASIC | 3.2 | □□□□□ -1.9 | | |
| USP21 | Q9UK80 | SNORA2.2-201 | ENST00000365473 | 135 nt | BASIC | 3.2 | □□□□□ -1.9 | | |
| USP21 | Q9UK80 | MIR759-201 | ENST00000390224 | 91 nt | BASIC | 3.2 | □□□□□ -1.9 | | |
| USP21 | Q9UK80 | U8.13-201 | ENST00000390842 | 128 nt | BASIC | 3.2 | □□□□□ -1.9 | | |
| USP21 | Q9UK80 | RPL39P25-201 | ENST00000449384 | 154 nt | BASIC | 3.2 | □□□□□ -1.9 | | |
| USP21 | Q9UK80 | RNU7-164P-201 | ENST00000459221 | 62 nt | BASIC | 3.2 | □□□□□ -1.9 | | |
| USP21 | Q9UK80 | AC122707.1-201 | ENST00000502882 | 219 nt | TSL 2 BASIC | 3.2 | □□□□□ -1.9 | | |
| USP21 | Q9UK80 | AC026436.1-201 | ENST00000510537 | 270 nt | BASIC | 3.2 | □□□□□ -1.9 | | |
| USP21 | Q9UK80 | RNU6-1291P-201 | ENST00000516591 | 104 nt | BASIC | 3.2 | □□□□□ -1.9 | | |
| USP21 | Q9UK80 | RNU6-521P-201 | ENST00000516663 | 105 nt | BASIC | 3.2 | □□□□□ -1.9 | | |
| USP21 | Q9UK80 | RNU6-965P-201 | ENST00000516721 | 96 nt | BASIC | 3.2 | □□□□□ -1.9 | | |
| USP21 | Q9UK80 | DEFB131E-201 | ENST00000532329 | 154 nt | BASIC | 3.2 | □□□□□ -1.9 | | |
| USP21 | Q9UK80 | IGKV1-33-202 | ENST00000558152 | 324 nt | APPRIS ALT2 TSL 5 BASIC | 3.2 | □□□□□ -1.9 | | |
| USP21 | Q9UK80 | AC027045.1-201 | ENST00000609065 | 202 nt | TSL 5 BASIC | 3.2 | □□□□□ -1.9 | | |
| USP21 | Q9UK80 | IGKV1D-33-202 | ENST00000611734 | 324 nt | APPRIS ALT2 TSL 5 BASIC | 3.2 | □□□□□ -1.9 | | |
| USP21 | Q9UK80 | AC092881.1-201 | ENST00000638218 | 2733 nt | BASIC | 3.19 | □□□□□ -1.9 | | |
| USP21 | Q9UK80 | Y_RNA.244-201 | ENST00000364484 | 109 nt | BASIC | 3.19 | □□□□□ -1.9 | | |
| USP21 | Q9UK80 | RNU6-438P-201 | ENST00000365561 | 103 nt | BASIC | 3.19 | □□□□□ -1.9 | | |
| USP21 | Q9UK80 | Y_RNA.410-201 | ENST00000383992 | 113 nt | BASIC | 3.19 | □□□□□ -1.9 | | |
| USP21 | Q9UK80 | RNU6-816P-201 | ENST00000390914 | 107 nt | BASIC | 3.19 | □□□□□ -1.9 | | |
| USP21 | Q9UK80 | RNU6-1268P-201 | ENST00000391214 | 107 nt | BASIC | 3.19 | □□□□□ -1.9 | | |
| USP21 | Q9UK80 | RNU6-1239P-201 | ENST00000391310 | 107 nt | BASIC | 3.19 | □□□□□ -1.9 | | |
| USP21 | Q9UK80 | RNU2-35P-201 | ENST00000516446 | 142 nt | BASIC | 3.19 | □□□□□ -1.9 | | |
| USP21 | Q9UK80 | RNU6ATAC12P-201 | ENST00000516542 | 115 nt | BASIC | 3.19 | □□□□□ -1.9 | | |
| USP21 | Q9UK80 | AC009930.1-201 | ENST00000522330 | 191 nt | TSL 5 BASIC | 3.19 | □□□□□ -1.9 | | |
| USP21 | Q9UK80 | MIR3163-201 | ENST00000581592 | 73 nt | BASIC | 3.19 | □□□□□ -1.9 | | |
| USP21 | Q9UK80 | MIR4765-201 | ENST00000585007 | 77 nt | BASIC | 3.19 | □□□□□ -1.9 | | |
| USP21 | Q9UK80 | FAR1-204 | ENST00000532502 | 5820 nt | TSL 2 BASIC | 3.19 | □□□□□ -1.9 | | |
| USP21 | Q9UK80 | DNAH12-208 | ENST00000495027 | 12146 nt | APPRIS P1 TSL 5 BASIC | 3.19 | □□□□□ -1.9 | | |
| USP21 | Q9UK80 | FAM35CP-201 | ENST00000554755 | 2470 nt | BASIC | 3.18 | □□□□□ -1.9 | | |
| USP21 | Q9UK80 | ZNF271P-202 | ENST00000465539 | 1970 nt | BASIC | 3.18 | □□□□□ -1.9 | | |
| USP21 | Q9UK80 | AC016717.2-201 | ENST00000609089 | 5141 nt | BASIC | 3.18 | □□□□□ -1.9 | | |
| USP21 | Q9UK80 | ATF2-204 | ENST00000409437 | 3697 nt | TSL 5 BASIC | 3.18 | □□□□□ -1.9 | | |
| USP21 | Q9UK80 | RNA5SP456-201 | ENST00000364002 | 114 nt | BASIC | 3.18 | □□□□□ -1.9 | | |
| USP21 | Q9UK80 | RNY1P6-201 | ENST00000384193 | 109 nt | BASIC | 3.18 | □□□□□ -1.9 | | |
| USP21 | Q9UK80 | MIR489-201 | ENST00000384923 | 84 nt | BASIC | 3.18 | □□□□□ -1.9 | | |
| USP21 | Q9UK80 | TRAJ31-201 | ENST00000390506 | 57 nt | APPRIS P1 BASIC | 3.18 | □□□□□ -1.9 | | |
| USP21 | Q9UK80 | MIR548O-201 | ENST00000408583 | 114 nt | BASIC | 3.18 | □□□□□ -1.9 | | |
| USP21 | Q9UK80 | AL353689.1-201 | ENST00000438895 | 199 nt | BASIC | 3.18 | □□□□□ -1.9 | | |
| USP21 | Q9UK80 | AC233266.1-201 | ENST00000454518 | 96 nt | BASIC | 3.18 | □□□□□ -1.9 | | |
| USP21 | Q9UK80 | RPL39P39-201 | ENST00000455840 | 151 nt | BASIC | 3.18 | □□□□□ -1.9 | | |
| USP21 | Q9UK80 | RNU7-61P-201 | ENST00000515897 | 61 nt | BASIC | 3.18 | □□□□□ -1.9 | | |
| USP21 | Q9UK80 | RNU2-13P-201 | ENST00000515909 | 113 nt | BASIC | 3.18 | □□□□□ -1.9 | | |
| USP21 | Q9UK80 | RNU6-856P-201 | ENST00000516959 | 98 nt | BASIC | 3.18 | □□□□□ -1.9 | | |
| USP21 | Q9UK80 | AC022254.1-201 | ENST00000567857 | 235 nt | BASIC | 3.18 | □□□□□ -1.9 | | |
| USP21 | Q9UK80 | AC002984.1-201 | ENST00000591692 | 448 nt | BASIC | 3.18 | □□□□□ -1.9 | | |
| USP21 | Q9UK80 | AL160408.5-201 | ENST00000607759 | 526 nt | TSL 4 BASIC | 3.18 | □□□□□ -1.9 | | |
| USP21 | Q9UK80 | AC242852.1-201 | ENST00000612151 | 96 nt | BASIC | 3.18 | □□□□□ -1.9 | | |
| USP21 | Q9UK80 | AC244015.1-201 | ENST00000622301 | 99 nt | BASIC | 3.18 | □□□□□ -1.9 | | |
| USP21 | Q9UK80 | NEB-218 | ENST00000603639 | 25578 nt | APPRIS ALT2 TSL 5 BASIC | 3.18 | □□□□□ -1.9 | | |
| USP21 | Q9UK80 | NEB-219 | ENST00000604864 | 25578 nt | APPRIS ALT2 TSL 5 BASIC | 3.18 | □□□□□ -1.9 | | |
| USP21 | Q9UK80 | KIAA1107-202 | ENST00000636278 | 4065 nt | APPRIS P1 TSL 5 BASIC | 3.18 | □□□□□ -1.9 | | |
| USP21 | Q9UK80 | IDE-201 | ENST00000265986 | 5877 nt | APPRIS P1 TSL 1 (best) BASIC | 3.18 | □□□□□ -1.9 | | |
| USP21 | Q9UK80 | PTPN22-206 | ENST00000525799 | 2118 nt | TSL 1 (best) BASIC | 3.17 | □□□□□ -1.9 | | |
| USP21 | Q9UK80 | DDIAS-201 | ENST00000329143 | 3367 nt | APPRIS P2 TSL 1 (best) BASIC | 3.17 | □□□□□ -1.9 | | |
| USP21 | Q9UK80 | RNU6-497P-201 | ENST00000365316 | 104 nt | BASIC | 3.17 | □□□□□ -1.9 | | |
| USP21 | Q9UK80 | RNU6-1189P-201 | ENST00000383958 | 107 nt | BASIC | 3.17 | □□□□□ -1.9 | | |
| USP21 | Q9UK80 | U8.17-201 | ENST00000391292 | 132 nt | BASIC | 3.17 | □□□□□ -1.9 | | |
| USP21 | Q9UK80 | RNU6-938P-201 | ENST00000411285 | 103 nt | BASIC | 3.17 | □□□□□ -1.9 | | |
| USP21 | Q9UK80 | AC060773.1-201 | ENST00000421698 | 310 nt | BASIC | 3.17 | □□□□□ -1.9 | | |
| USP21 | Q9UK80 | SNORD36C-201 | ENST00000516733 | 66 nt | BASIC | 3.17 | □□□□□ -1.9 | | |
| USP21 | Q9UK80 | AC087685.1-201 | ENST00000587507 | 141 nt | BASIC | 3.17 | □□□□□ -1.9 | | |
| USP21 | Q9UK80 | AC023490.1-201 | ENST00000614584 | 375 nt | TSL 2 BASIC | 3.17 | □□□□□ -1.9 | | |
| USP21 | Q9UK80 | AC011718.1-201 | ENST00000622906 | 375 nt | TSL 1 (best) BASIC | 3.17 | □□□□□ -1.9 | | |
| USP21 | Q9UK80 | CACNB4-222 | ENST00000636350 | 7654 nt | TSL 5 BASIC | 3.17 | □□□□□ -1.9 | | |
| USP21 | Q9UK80 | GABRG2-209 | ENST00000638660 | 3799 nt | TSL 5 BASIC | 3.16 | □□□□□ -1.9 | | |
| USP21 | Q9UK80 | MAPK10-266 | ENST00000641066 | 6555 nt | BASIC | 3.16 | □□□□□ -1.9 | | |
| USP21 | Q9UK80 | RNU4-36P-201 | ENST00000364294 | 144 nt | BASIC | 3.16 | □□□□□ -1.9 | | |
| USP21 | Q9UK80 | RNY1P1-201 | ENST00000364372 | 112 nt | BASIC | 3.16 | □□□□□ -1.9 | | |
| USP21 | Q9UK80 | RNU6-1276P-201 | ENST00000365372 | 104 nt | BASIC | 3.16 | □□□□□ -1.9 | | |
| USP21 | Q9UK80 | CD24P4-201 | ENST00000382840 | 243 nt | BASIC | 3.16 | □□□□□ -1.9 | | |
| USP21 | Q9UK80 | SNORA67.3-201 | ENST00000384366 | 140 nt | BASIC | 3.16 | □□□□□ -1.9 | | |
| USP21 | Q9UK80 | MIR522-201 | ENST00000385071 | 87 nt | BASIC | 3.16 | □□□□□ -1.9 | | |
| USP21 | Q9UK80 | RNU6-644P-201 | ENST00000391155 | 98 nt | BASIC | 3.16 | □□□□□ -1.9 | | |
| USP21 | Q9UK80 | Y_RNA.601-201 | ENST00000410500 | 113 nt | BASIC | 3.16 | □□□□□ -1.9 | | |
| USP21 | Q9UK80 | HMGN2P34-201 | ENST00000437647 | 269 nt | BASIC | 3.16 | □□□□□ -1.9 | | |
| USP21 | Q9UK80 | RNA5SP112-201 | ENST00000515937 | 99 nt | BASIC | 3.16 | □□□□□ -1.9 | | |
| USP21 | Q9UK80 | RNU7-25P-201 | ENST00000516544 | 62 nt | BASIC | 3.16 | □□□□□ -1.9 | | |
| USP21 | Q9UK80 | RNA5SP490-201 | ENST00000517141 | 136 nt | BASIC | 3.16 | □□□□□ -1.9 | | |
| USP21 | Q9UK80 | RNU6-586P-201 | ENST00000517265 | 104 nt | BASIC | 3.16 | □□□□□ -1.9 | | |
| USP21 | Q9UK80 | AC022469.2-201 | ENST00000554759 | 396 nt | TSL 5 BASIC | 3.16 | □□□□□ -1.9 | | |
| USP21 | Q9UK80 | MIR4305-201 | ENST00000583252 | 102 nt | BASIC | 3.16 | □□□□□ -1.9 | | |
| USP21 | Q9UK80 | MIR548Z-201 | ENST00000584743 | 97 nt | BASIC | 3.16 | □□□□□ -1.9 | | |
| USP21 | Q9UK80 | HSPE1P19-201 | ENST00000603327 | 295 nt | BASIC | 3.16 | □□□□□ -1.9 | | |
| USP21 | Q9UK80 | AC012531.4-201 | ENST00000616509 | 177 nt | BASIC | 3.16 | □□□□□ -1.9 | | |
| USP21 | Q9UK80 | WARS-244 | ENST00000627608 | 123 nt | TSL 5 BASIC | 3.16 | □□□□□ -1.9 | | |