| E [auth r] | IPR039411 | Ribosomal biogenesis NSA2 family | Family |
| E [auth r] | IPR022309 | Ribosomal protein eS8/ribosomal biogenesis NSA2 | Family |
| H [auth A] | IPR026532 | Ribosome biogenesis protein BRX1 | Family |
| H [auth A] | IPR007109 | Brix domain | Domain |
| I [auth J] | IPR008610 | Eukaryotic rRNA processing | Family |
| G [auth 7] | IPR037650 | 60S ribosomal subunit assembly/export protein Loc1 | Family |
| F [auth w] | IPR024576 | Ribosomal RNA methyltransferase Spb1, domain of unknown function DUF3381 | Domain |
| F [auth w] | IPR012920 | Ribosomal RNA methyltransferase, SPB1-like, C-terminal | Domain |
| F [auth w] | IPR029063 | S-adenosyl-L-methionine-dependent methyltransferase superfamily | Homologous Superfamily |
| F [auth w] | IPR002877 | Ribosomal RNA methyltransferase, FtsJ domain | Domain |
| F [auth w] | IPR015507 | Ribosomal RNA large subunit methyltransferase E | Family |
| F [auth w] | IPR028589 | AdoMet-dependent rRNA methyltransferase SPB1-like | Family |
| F [auth w] | IPR050082 | Ribosomal RNA large subunit methyltransferase RlmE | Family |
| D [auth q] | IPR018314 | RsmB/NOL1/NOP2-like, conserved site | Conserved Site |
| D [auth q] | IPR001678 | SAM-dependent methyltransferase RsmB-F/NOP2-type domain | Domain |
| D [auth q] | IPR029063 | S-adenosyl-L-methionine-dependent methyltransferase superfamily | Homologous Superfamily |
| D [auth q] | IPR023267 | RNA (C5-cytosine) methyltransferase | Family |
| D [auth q] | IPR011023 | Nop2p | Domain |
| D [auth q] | IPR023273 | RNA (C5-cytosine) methyltransferase, NOP2 | Family |
| D [auth q] | IPR049560 | SAM-dependent methyltransferase RsmB-F/NOP2-type, catalytic core | Domain |
| C [auth m] | IPR019775 | WD40 repeat, conserved site | Conserved Site |
| C [auth m] | IPR036322 | WD40-repeat-containing domain superfamily | Homologous Superfamily |
| C [auth m] | IPR028598 | WD repeat BOP1/Erb1 | Family |
| C [auth m] | IPR001680 | WD40 repeat | Repeat |
| C [auth m] | IPR012953 | BOP1, N-terminal domain | Domain |
| C [auth m] | IPR015943 | WD40/YVTN repeat-like-containing domain superfamily | Homologous Superfamily |
| B [auth l] | IPR015947 | PUA-like superfamily | Homologous Superfamily |
| B [auth l] | IPR005155 | UPF0113, PUA domain | Domain |
| B [auth l] | IPR016686 | Ribosome biogenesis factor, NIP7 | Family |
| B [auth l] | IPR036974 | PUA domain superfamily | Homologous Superfamily |
| B [auth l] | IPR040598 | 60S ribosome subunit biogenesis protein NIP7, pre-PUA domain | Domain |
| B [auth l] | IPR002478 | PUA domain | Domain |
| B [auth l] | IPR055359 | 60S ribosome subunit biogenesis protein Nip7, pre-PUA domain, eukaryotes | Domain |
| K [auth a] | IPR050257 | Large ribosomal subunit protein eL8/uL1-like | Family |
| K [auth a] | IPR023673 | Large ribosomal subunit protein uL1, conserved site | Conserved Site |
| K [auth a] | IPR016095 | Large ribosomal subunit protein uL1, 3-layer alpha/beta-sandwich domain | Homologous Superfamily |
| K [auth a] | IPR023674 | Ribosomal protein uL1-like | Homologous Superfamily |
| K [auth a] | IPR002143 | Large ribosomal subunit protein uL1 | Family |
| K [auth a] | IPR028364 | Ribosomal protein uL1/ribosomal biogenesis protein | Family |
| J [auth b] | IPR024926 | Nucleolar GTP-binding protein 1 | Family |
| J [auth b] | IPR031167 | OBG-type guanine nucleotide-binding (G) domain | Domain |
| J [auth b] | IPR012973 | NOG, C-terminal | Domain |
| J [auth b] | IPR010674 | Nucleolar GTP-binding protein 1, Rossman-fold domain | Domain |
| J [auth b] | IPR041623 | NOG1, N-terminal helical domain | Domain |
| J [auth b] | IPR006073 | GTP binding domain | Domain |
| J [auth b] | IPR027417 | P-loop containing nucleoside triphosphate hydrolase | Homologous Superfamily |