| IPR035104 | Ribosomal protein S1-like | Family |
| IPR003029 | S1 domain | Domain |
| IPR050437 | Small ribosomal subunit protein bS1-like | Family |
| IPR000110 | Small ribosomal subunit protein bS1 | Family |
| IPR012340 | Nucleic acid-binding, OB-fold | Homologous Superfamily |
| IPR005706 | Small ribosomal subunit protein uS2, bacteria/mitochondria/plastid | Family |
| IPR023591 | Small ribosomal subunit protein uS2, flavodoxin-like domain superfamily | Homologous Superfamily |
| IPR018130 | Small ribosomal subunit protein uS2, conserved site | Conserved Site |
| IPR001865 | Small ribosomal subunit protein uS2 | Family |
| IPR001351 | Small ribosomal subunit protein uS3, C-terminal | Domain |
| IPR009019 | K homology domain superfamily, prokaryotic type | Homologous Superfamily |
| IPR004087 | K Homology domain | Domain |
| IPR004044 | K Homology domain, type 2 | Domain |
| IPR015946 | K homology domain-like, alpha/beta | Homologous Superfamily |
| IPR036419 | Ribosomal protein S3, C-terminal domain superfamily | Homologous Superfamily |
| IPR005704 | Small ribosomal subunit protein uS3, bacterial-type | Family |
| IPR018280 | Small ribosomal subunit protein uS3, conserved site | Conserved Site |
| IPR018079 | Small ribosomal subunit protein uS4, conserved site | Conserved Site |
| IPR002942 | RNA-binding S4 domain | Domain |
| IPR001912 | Small ribosomal subunit protein uS4, N-terminal | Domain |
| IPR036986 | RNA-binding S4 domain superfamily | Homologous Superfamily |
| IPR005709 | Small ribosomal subunit protein uS4, bacterial-type | Family |
| IPR022801 | Small ribosomal subunit protein uS4 | Family |
| IPR000851 | Small ribosomal subunit protein uS5 | Family |
| IPR005324 | Small ribosomal subunit protein uS5, C-terminal | Domain |
| IPR013810 | Small ribosomal subunit protein uS5, N-terminal | Domain |
| IPR020568 | Ribosomal protein uS5 domain 2-type superfamily | Homologous Superfamily |
| IPR018192 | Small ribosomal subunit protein uS5, N-terminal, conserved site | Conserved Site |
| IPR005712 | Small ribosomal subunit protein uS5, bacterial-type | Family |
| IPR014721 | Small ribosomal subunit protein uS5 domain 2-type fold, subgroup | Homologous Superfamily |
| IPR020815 | Small ribosomal subunit protein bS6, conserved site | Conserved Site |
| IPR000529 | Small ribosomal subunit protein bS6 | Family |
| IPR020814 | Small ribosomal subunit protein bS6, plastid/chloroplast | Family |
| IPR035980 | Small ribosomal subunit protein bS6 superfamily | Homologous Superfamily |
| IPR014717 | Translation elongation factor EF1B/small ribosomal subunit protein bS6 | Homologous Superfamily |
| IPR020606 | Small ribosomal subunit protein uS7, conserved site | Conserved Site |
| IPR036823 | Small ribosomal subunit protein uS7 domain superfamily | Homologous Superfamily |
| IPR000235 | Small ribosomal subunit protein uS7 | Family |
| IPR005717 | Small ribosomal subunit protein uS7, bacterial/organellar-type | Family |
| IPR023798 | Small ribosomal subunit protein uS7 domain | Domain |
| IPR000630 | Small ribosomal subunit protein uS8 | Family |
| IPR047863 | Small ribosomal subunit protein uS8, conserved site | Conserved Site |
| IPR035987 | Small ribosomal subunit protein uS8 superfamily | Homologous Superfamily |
| IPR020574 | Small ribosomal subunit protein uS9, conserved site | Conserved Site |
| IPR023035 | Small ribosomal subunit protein uS9, bacterial/plastid | Family |
| IPR020568 | Ribosomal protein uS5 domain 2-type superfamily | Homologous Superfamily |
| IPR000754 | Small ribosomal subunit protein uS9 | Family |
| IPR014721 | Small ribosomal subunit protein uS5 domain 2-type fold, subgroup | Homologous Superfamily |
| IPR027486 | Small ribosomal subunit protein uS10 domain | Domain |
| IPR036838 | Small ribosomal subunit protein uS10 domain superfamily | Homologous Superfamily |
| IPR018268 | Small ribosomal subunit protein uS10, conserved site | Conserved Site |
| IPR001848 | Small ribosomal subunit protein uS10 | Family |
| IPR001971 | Small ribosomal subunit protein uS11 | Family |
| IPR019981 | Small ribosomal subunit protein uS11, bacterial-type | Family |
| IPR036967 | Small ribosomal subunit protein uS11 superfamily | Homologous Superfamily |
| IPR018102 | Small ribosomal subunit protein uS11, conserved site | Conserved Site |
| IPR005679 | Ribosomal protein uS12, bacterial-type | Family |
| IPR006032 | Small ribosomal subunit protein uS12 | Family |
| IPR012340 | Nucleic acid-binding, OB-fold | Homologous Superfamily |
| IPR018269 | Small ribosomal subunit protein uS13, conserved site | Conserved Site |
| IPR027437 | Small ribosomal subunit protein uS13, C-terminal | Homologous Superfamily |
| IPR001892 | Small ribosomal subunit protein uS13 | Family |
| IPR010979 | Small ribosomal subunit protein uS13-like, H2TH | Homologous Superfamily |
| IPR019980 | Small ribosomal subunit protein uS13, bacterial-type | Family |
| IPR001209 | Small ribosomal subunit protein uS14 | Family |
| IPR018271 | Small ribosomal subunit protein uS14, conserved site | Conserved Site |
| IPR023036 | Small ribosomal subunit protein uS14, bacteria/plastid | Family |
| IPR009068 | uS15/NS1, RNA-binding domain superfamily | Homologous Superfamily |
| IPR000589 | Small ribosomal subunit protein uS15 | Family |
| IPR005290 | Small ribosomal subunit protein uS15, bacterial-type | Family |
| IPR023803 | Small ribosomal subunit protein bS16 domain superfamily | Homologous Superfamily |
| IPR000307 | Small ribosomal subunit protein bS16 | Family |
| IPR020592 | Small ribosomal subunit protein bS16, conserved site | Conserved Site |
| IPR019979 | Small ribosomal subunit protein uS17, conserved site | Conserved Site |
| IPR019984 | Small ribosomal subunit protein uS17, bacteria/chloroplast | Family |
| IPR012340 | Nucleic acid-binding, OB-fold | Homologous Superfamily |
| IPR000266 | Small ribosomal subunit protein uS17 | Family |
| IPR001648 | Small ribosomal subunit protein bS18 | Family |
| IPR018275 | Small ribosomal subunit protein bS18, conserved site | Conserved Site |
| IPR036870 | Small ribosomal subunit protein bS18 superfamily | Homologous Superfamily |
| IPR002222 | Small ribosomal subunit protein uS19 | Family |
| IPR005732 | Small ribosomal subunit protein uS19, bacterial-type | Family |
| IPR023575 | Small ribosomal subunit protein uS19, superfamily | Homologous Superfamily |
| IPR020934 | Small ribosomal subunit protein uS19, conserved site | Conserved Site |
| IPR036510 | Small ribosomal subunit protein bS20 superfamily | Homologous Superfamily |
| IPR002583 | Small ribosomal subunit protein bS20 | Family |
| IPR038380 | Small ribosomal subunit protein bS21 superfamily | Homologous Superfamily |
| IPR018278 | Small ribosomal subunit protein bS21, conserved site | Conserved Site |
| IPR001911 | Small ribosomal subunit protein bS21 | Family |