| A [auth D] | IPR002942 | RNA-binding S4 domain | Domain |
| A [auth D] | IPR022801 | Small ribosomal subunit protein uS4 | Family |
| A [auth D] | IPR018079 | Small ribosomal subunit protein uS4, conserved site | Conserved Site |
| A [auth D] | IPR001912 | Small ribosomal subunit protein uS4, N-terminal | Domain |
| A [auth D] | IPR036986 | RNA-binding S4 domain superfamily | Homologous Superfamily |
| A [auth D] | IPR005709 | Small ribosomal subunit protein uS4, bacteria | Family |
| B [auth E] | IPR000851 | Small ribosomal subunit protein uS5 | Family |
| B [auth E] | IPR005324 | Small ribosomal subunit protein uS5, C-terminal | Domain |
| B [auth E] | IPR005712 | Small ribosomal subunit protein uS5, bacteria | Family |
| B [auth E] | IPR013810 | Small ribosomal subunit protein uS5, N-terminal | Domain |
| B [auth E] | IPR020568 | Ribosomal protein uS5 domain 2-type superfamily | Homologous Superfamily |
| B [auth E] | IPR018192 | Small ribosomal subunit protein uS5, N-terminal, conserved site | Conserved Site |
| B [auth E] | IPR014721 | Small ribosomal subunit protein uS5 domain 2-type fold, subgroup | Homologous Superfamily |
| C [auth F] | IPR020815 | Small ribosomal subunit protein bS6, conserved site | Conserved Site |
| C [auth F] | IPR000529 | Small ribosomal subunit protein bS6 | Family |
| C [auth F] | IPR020814 | Small ribosomal subunit protein bS6, plastid/chloroplast | Family |
| C [auth F] | IPR035980 | Small ribosomal subunit protein bS6 superfamily | Homologous Superfamily |
| C [auth F] | IPR014717 | Translation elongation factor EF1B/small ribosomal subunit protein bS6 | Homologous Superfamily |
| D [auth H] | IPR000630 | Small ribosomal subunit protein uS8 | Family |
| D [auth H] | IPR047863 | Small ribosomal subunit protein uS8, conserved site | Conserved Site |
| D [auth H] | IPR035987 | Small ribosomal subunit protein uS8 superfamily | Homologous Superfamily |
| E [auth L] | IPR005679 | Ribosomal protein uS12, bacteria | Family |
| E [auth L] | IPR006032 | Small ribosomal subunit protein uS12 | Family |
| E [auth L] | IPR012340 | Nucleic acid-binding, OB-fold | Homologous Superfamily |
| F [auth O] | IPR009068 | uS15/NS1, RNA-binding domain superfamily | Homologous Superfamily |
| F [auth O] | IPR000589 | Small ribosomal subunit protein uS15 | Family |
| F [auth O] | IPR005290 | Small ribosomal subunit protein uS15, bacteria | Family |
| G [auth P] | IPR023803 | Small ribosomal subunit protein bS16 domain superfamily | Homologous Superfamily |
| G [auth P] | IPR000307 | Small ribosomal subunit protein bS16 | Family |
| G [auth P] | IPR020592 | Small ribosomal subunit protein bS16, conserved site | Conserved Site |
| H [auth Q] | IPR019979 | Small ribosomal subunit protein uS17, conserved site | Conserved Site |
| H [auth Q] | IPR019984 | Small ribosomal subunit protein uS17, bacteria/chloroplast | Family |
| H [auth Q] | IPR012340 | Nucleic acid-binding, OB-fold | Homologous Superfamily |
| H [auth Q] | IPR000266 | Small ribosomal subunit protein uS17 | Family |
| I [auth R] | IPR001648 | Small ribosomal subunit protein bS18 | Family |
| I [auth R] | IPR018275 | Small ribosomal subunit protein bS18, conserved site | Conserved Site |
| I [auth R] | IPR036870 | Small ribosomal subunit protein bS18 superfamily | Homologous Superfamily |
| J [auth T] | IPR036510 | Small ribosomal subunit protein bS20 superfamily | Homologous Superfamily |
| J [auth T] | IPR002583 | Small ribosomal subunit protein bS20 | Family |
| L [auth B] | IPR005706 | Small ribosomal subunit protein uS2, bacteria/mitochondria/plastid | Family |
| L [auth B] | IPR023591 | Small ribosomal subunit protein uS2, flavodoxin-like domain superfamily | Homologous Superfamily |
| L [auth B] | IPR018130 | Small ribosomal subunit protein uS2, conserved site | Conserved Site |
| L [auth B] | IPR001865 | Small ribosomal subunit protein uS2 | Family |
| M [auth K] | IPR001971 | Small ribosomal subunit protein uS11 | Family |
| M [auth K] | IPR036967 | Small ribosomal subunit protein uS11 superfamily | Homologous Superfamily |
| M [auth K] | IPR019981 | Small ribosomal subunit protein uS11, bacteria | Family |
| M [auth K] | IPR018102 | Small ribosomal subunit protein uS11, conserved site | Conserved Site |