3.2 A cryo-EM ArfA-RF2 ribosome rescue complex (Structure II)
Domain Annotation: SCOP2 Classification SCOP2 Database Homepage
| Chains | Type | Family Name | Domain Identifier | Family Identifier | Provenance Source (Version) |
|---|---|---|---|---|---|
| F [auth 03] | SCOP2B Superfamily | Ribosomal protein L1p/L10e-like | 8065348 | 3001911 | SCOP2B (2022-06-29) |
| G [auth 04] | SCOP2B Superfamily | Translation proteins SH3-like KOW motif containing domain | 8035393 | 3000334 | SCOP2B (2022-06-29) |
| G [auth 04] | SCOP2B Superfamily | Nucleic acid-binding proteins | 8035394 | 3000135 | SCOP2B (2022-06-29) |
| H [auth 05] | SCOP2B Superfamily | Translational proteins | 8032955 | 3000811 | SCOP2B (2022-06-29) |
| I [auth 06] | SCOP2B Superfamily | Ribosomal protein L4 | 8096356 | 3001146 | SCOP2B (2022-06-29) |
| J [auth 07] | SCOP2B Superfamily | RL5-like | 8096352 | 3001709 | SCOP2B (2022-06-29) |
| K [auth 08] | SCOP2B Superfamily | Ribosomal protein L6 | 8035398 | 3000724 | SCOP2B (2022-06-29) |
| K [auth 08] | SCOP2B Superfamily | Ribosomal protein L6 | 8035397 | 3000724 | SCOP2B (2022-06-29) |
| L [auth 09] | SCOP2B Superfamily | Ribosomal protein L9 C-domain | 8032958 | 3000329 | SCOP2B (2022-06-29) |
| L [auth 09] | SCOP2B Superfamily | L9 N-domain-like | 8032960 | 3000338 | SCOP2B (2022-06-29) |
| M [auth 10] | SCOP2B Superfamily | Ribosomal protein L10-like | 8079773 | 3000665 | SCOP2B (2022-06-29) |
| N [auth 11] | SCOP2B Superfamily | Ribosomal L11/L12e N-terminal domain-like | 8032963 | 3000950 | SCOP2B (2022-06-29) |
| N [auth 11] | SCOP2B Superfamily | Ribosomal protein L11, C-terminal domain | 8032961 | 3001186 | SCOP2B (2022-06-29) |
| O [auth 12] | SCOP2B Superfamily | Ribosomal protein L13 | 8096350 | 3001134 | SCOP2B (2022-06-29) |
| P [auth 13] | SCOP2B Superfamily | 50S Ribosomal protein L14-like | 8103358 | 3000433 | SCOP2B (2022-06-29) |
| Q [auth 14] | SCOP2B Superfamily | Ribosomal proteins L15p and L18e | 8070553 | 3001045 | SCOP2B (2022-06-29) |
| R [auth 15] | SCOP2B Superfamily | Ribosomal protein L16p/L10e | 8096366 | 3000884 | SCOP2B (2022-06-29) |
| S [auth 16] | SCOP2B Superfamily | Prokaryotic ribosomal protein L17 | 8035409 | 3000995 | SCOP2B (2022-06-29) |
| T [auth 17] | SCOP2B Superfamily | Translational machinery components | 8032969 | 3000571 | SCOP2B (2022-06-29) |
| U [auth 18] | SCOP2B Superfamily | Translation proteins SH3-like KOW motif containing domain | 8096364 | 3000334 | SCOP2B (2022-06-29) |
| V [auth 19] | SCOP2B Superfamily | Ribosomal protein L20 | 8096382 | 3000563 | SCOP2B (2022-06-29) |
| W [auth 20] | SCOP2B Superfamily | l21p-like | 8096354 | 3002005 | SCOP2B (2022-06-29) |
| X [auth 21] | SCOP2B Superfamily | Ribosomal protein L22 | 8096336 | 3001078 | SCOP2B (2022-06-29) |
| Y [auth 22] | SCOP2B Superfamily | Ribosomal proteins S24e, L23 and L15e | 8035415 | 3000210 | SCOP2B (2022-06-29) |
| Z [auth 23] | SCOP2B Superfamily | Translation proteins SH3-like KOW motif containing domain | 8096358 | 3000334 | SCOP2B (2022-06-29) |
| AA [auth 24] | SCOP2B Superfamily | Ribosomal protein L25-like | 8042538 | 3001161 | SCOP2B (2022-06-29) |
| BA [auth 25] | SCOP2B Superfamily | Ribosomal L27 protein-like | 8096338 | 3000539 | SCOP2B (2022-06-29) |
| CA [auth 26] | SCOP2B Superfamily | L28p-like | 8035424 | 3001966 | SCOP2B (2022-06-29) |
| DA [auth 27] | SCOP2B Superfamily | Ribosomal protein L29 (L29p) | 8096370 | 3000713 | SCOP2B (2022-06-29) |
| EA [auth 28] | SCOP2B Superfamily | Ribosomal protein L30p/L7e | 8096372 | 3001378 | SCOP2B (2022-06-29) |
| HA [auth 31] | SCOP2B Superfamily | Zn-binding ribosomal proteins | 8096362 | 3001320 | SCOP2B (2022-06-29) |
| JA [auth 33] | SCOP2B Superfamily | L35p-like | 8035388 | 3000790 | SCOP2B (2022-06-29) |
| KA [auth 34] | SCOP2B Superfamily | Ribosomal protein L36 | 8035391 | 3001346 | SCOP2B (2022-06-29) |
| NA [auth Z] | SCOP2B Superfamily | RNA-binding domain, RBD | 8054399 | 3000110 | SCOP2B (2022-06-29) |
| NA [auth Z] | SCOP2B Superfamily | Peptidyl-tRNA hydrolase domain-like | 8054401 | 3001421 | SCOP2B (2022-06-29) |
| NA [auth Z] | SCOP2B Superfamily | Release factor N-terminal domain-like | 8038812 | 3001827 | SCOP2B (2022-06-29) |
| OA [auth B] | SCOP2B Superfamily | SIS domain/Ribosomal protein S2-like | 8063838 | 3001397 | SCOP2B (2022-06-29) |
| QA [auth D] | SCOP2B Superfamily | Alpha-L RNA-binding motif | 8083400 | 3001473 | SCOP2B (2022-06-29) |
| SA [auth F] | SCOP2B Superfamily | Ribosomal protein S6 | 8066495 | 3001323 | SCOP2B (2022-06-29) |
| TA [auth G] | SCOP2B Superfamily | Ribosomal protein S7 | 8077979 | 3000799 | SCOP2B (2022-06-29) |
| UA [auth H] | SCOP2B Superfamily | Ribosomal protein S8 | 8079059 | 3000709 | SCOP2B (2022-06-29) |
| VA [auth I] | SCOP2B Superfamily | Ribosomal protein S5 domain 2-like | 8082661 | 3000100 | SCOP2B (2022-06-29) |
| WA [auth J] | SCOP2B Superfamily | Ribosomal protein S10 | 8102681 | 3001336 | SCOP2B (2022-06-29) |
| XA [auth K] | SCOP2B Superfamily | Translational machinery components | 8035368 | 3000571 | SCOP2B (2022-06-29) |
| YA [auth L] | SCOP2B Superfamily | Nucleic acid-binding proteins | 8106545 | 3000135 | SCOP2B (2022-06-29) |
| ZA [auth M] | SCOP2B Superfamily | S13-like H2TH domain | 8098358 | 3000053 | SCOP2B (2022-06-29) |
| AB [auth N] | SCOP2B Superfamily | Glucocorticoid receptor-like (DNA-binding domain) | 8052568 | 3000068 | SCOP2B (2022-06-29) |
| BB [auth O] | SCOP2B Superfamily | S15/NS1 RNA-binding domain | 8032375 | 3001284 | SCOP2B (2022-06-29) |
| DB [auth Q] | SCOP2B Superfamily | Nucleic acid-binding proteins | 8059276 | 3000135 | SCOP2B (2022-06-29) |
| FB [auth S] | SCOP2B Superfamily | Ribosomal protein S19 | 8103915 | 3000686 | SCOP2B (2022-06-29) |
| HB [auth U] | SCOP2B Superfamily | Ribosomal protein S21 | 8053090 | 3002159 | SCOP2B (2022-06-29) |
| CB [auth P] | SCOP2B Superfamily | Ribosomal protein S16 | 8106547 | 3000680 | SCOP2B (2022-06-29) |
| GA [auth 30] | SCOP2B Superfamily | Zn-binding ribosomal proteins | 8096380 | 3001320 | SCOP2B (2022-06-29) |
| FA [auth 29] | SCOP2B Superfamily | L28p-like | 8032740 | 3001966 | SCOP2B (2022-06-29) |
Domain Annotation: ECOD Classification ECOD Database Homepage
| Chains | Family Name | Domain Identifier | Architecture | Possible Homology | Homology | Topology | Family | Provenance Source (Version) |
|---|---|---|---|---|---|---|---|---|
| F [auth 03] | e5u9f031 | A: Thioredoxin-like | X: Nucleic acid-binding protein | H: Chelatase-like | T: AHAS-like_ACT | F: | ECOD (20:10:01) | |
| G [auth 04] | e5u9f041 | A: Thioredoxin-like | X: Nucleic acid-binding protein | H: Chelatase-like | T: AHAS-like_ACT | F: | ECOD (20:10:01) | |
| H [auth 05] | e5u9f051 | A: Thioredoxin-like | X: Nucleic acid-binding protein | H: Chelatase-like | T: AHAS-like_ACT | F: | ECOD (20:10:01) | |
| I [auth 06] | e5u9f061 | A: Thioredoxin-like | X: Nucleic acid-binding protein | H: Chelatase-like | T: AHAS-like_ACT | F: | ECOD (20:10:01) | |
| J [auth 07] | e5u9f071 | A: Thioredoxin-like | X: Nucleic acid-binding protein | H: Chelatase-like | T: AHAS-like_ACT | F: | ECOD (20:10:01) | |
| K [auth 08] | e5u9f081 | A: Thioredoxin-like | X: Nucleic acid-binding protein | H: Chelatase-like | T: AHAS-like_ACT | F: | ECOD (20:10:01) | |
| L [auth 09] | e5u9f091 | A: Thioredoxin-like | X: Nucleic acid-binding protein | H: Chelatase-like | T: AHAS-like_ACT | F: | ECOD (20:10:01) | |
| M [auth 10] | e5u9f101 | A: Thioredoxin-like | X: Nucleic acid-binding protein | H: Chelatase-like | T: AHAS-like_ACT | F: | ECOD (20:10:01) | |
| N [auth 11] | e5u9f111 | A: Thioredoxin-like | X: Nucleic acid-binding protein | H: Chelatase-like | T: AHAS-like_ACT | F: | ECOD (20:10:01) | |
| O [auth 12] | e5u9f121 | A: Thioredoxin-like | X: Nucleic acid-binding protein | H: Chelatase-like | T: AHAS-like_ACT | F: | ECOD (20:10:01) | |
| P [auth 13] | e5u9f131 | A: Thioredoxin-like | X: Nucleic acid-binding protein | H: Chelatase-like | T: AHAS-like_ACT | F: | ECOD (20:10:01) | |
| Q [auth 14] | e5u9f141 | A: Thioredoxin-like | X: Nucleic acid-binding protein | H: Chelatase-like | T: AHAS-like_ACT | F: | ECOD (20:10:01) | |
| R [auth 15] | e5u9f151 | A: Thioredoxin-like | X: Nucleic acid-binding protein | H: Chelatase-like | T: AHAS-like_ACT | F: | ECOD (20:10:01) | |
| S [auth 16] | e5u9f161 | A: Thioredoxin-like | X: Nucleic acid-binding protein | H: Chelatase-like | T: AHAS-like_ACT | F: | ECOD (20:10:01) | |
| T [auth 17] | e5u9f171 | A: Thioredoxin-like | X: Nucleic acid-binding protein | H: Chelatase-like | T: AHAS-like_ACT | F: | ECOD (20:10:01) | |
| U [auth 18] | e5u9f181 | A: Thioredoxin-like | X: Nucleic acid-binding protein | H: Chelatase-like | T: AHAS-like_ACT | F: | ECOD (20:10:01) | |
| V [auth 19] | e5u9f191 | A: Thioredoxin-like | X: Nucleic acid-binding protein | H: Chelatase-like | T: AHAS-like_ACT | F: | ECOD (20:10:01) | |
| W [auth 20] | e5u9f201 | A: Thioredoxin-like | X: Nucleic acid-binding protein | H: Chelatase-like | T: AHAS-like_ACT | F: | ECOD (20:10:01) | |
| X [auth 21] | e5u9f211 | A: Thioredoxin-like | X: Nucleic acid-binding protein | H: Chelatase-like | T: AHAS-like_ACT | F: | ECOD (20:10:01) | |
| Y [auth 22] | e5u9f221 | A: Thioredoxin-like | X: Nucleic acid-binding protein | H: Chelatase-like | T: AHAS-like_ACT | F: | ECOD (20:10:01) | |
| Z [auth 23] | e5u9f231 | A: Thioredoxin-like | X: Nucleic acid-binding protein | H: Chelatase-like | T: AHAS-like_ACT | F: | ECOD (20:10:01) | |
| AA [auth 24] | e5u9f241 | A: Thioredoxin-like | X: Nucleic acid-binding protein | H: Chelatase-like | T: AHAS-like_ACT | F: | ECOD (20:10:01) | |
| BA [auth 25] | e5u9f251 | A: Thioredoxin-like | X: Nucleic acid-binding protein | H: Chelatase-like | T: AHAS-like_ACT | F: | ECOD (20:10:01) | |
| CA [auth 26] | e5u9f261 | A: Thioredoxin-like | X: Nucleic acid-binding protein | H: Chelatase-like | T: AHAS-like_ACT | F: | ECOD (20:10:01) | |
| DA [auth 27] | e5u9f271 | A: Thioredoxin-like | X: Nucleic acid-binding protein | H: Chelatase-like | T: AHAS-like_ACT | F: | ECOD (20:10:01) | |
| EA [auth 28] | e5u9f281 | A: Thioredoxin-like | X: Nucleic acid-binding protein | H: Chelatase-like | T: AHAS-like_ACT | F: | ECOD (20:10:01) | |
| HA [auth 31] | e5u9f311 | A: Thioredoxin-like | X: Nucleic acid-binding protein | H: Chelatase-like | T: AHAS-like_ACT | F: | ECOD (20:10:01) | |
| IA [auth 32] | e5u9f321 | A: Thioredoxin-like | X: Nucleic acid-binding protein | H: Chelatase-like | T: AHAS-like_ACT | F: | ECOD (20:10:01) | |
| JA [auth 33] | e5u9f331 | A: Thioredoxin-like | X: Nucleic acid-binding protein | H: Chelatase-like | T: AHAS-like_ACT | F: | ECOD (20:10:01) | |
| KA [auth 34] | e5u9f341 | A: Thioredoxin-like | X: Nucleic acid-binding protein | H: Chelatase-like | T: AHAS-like_ACT | F: | ECOD (20:10:01) | |
| NA [auth Z] | e5u9fZ1 | A: Thioredoxin-like | X: Nucleic acid-binding protein | H: Chelatase-like | T: AHAS-like_ACT | F: | ECOD (20:10:01) | |
| OA [auth B] | e5u9fB1 | A: Thioredoxin-like | X: Nucleic acid-binding protein | H: Chelatase-like | T: AHAS-like_ACT | F: | ECOD (20:10:01) | |
| PA [auth C] | e5u9fC1 | A: Thioredoxin-like | X: Nucleic acid-binding protein | H: Chelatase-like | T: AHAS-like_ACT | F: | ECOD (20:10:01) | |
| QA [auth D] | e5u9fD1 | A: Thioredoxin-like | X: Nucleic acid-binding protein | H: Chelatase-like | T: AHAS-like_ACT | F: | ECOD (20:10:01) | |
| RA [auth E] | e5u9fE1 | A: Thioredoxin-like | X: Nucleic acid-binding protein | H: Chelatase-like | T: AHAS-like_ACT | F: | ECOD (20:10:01) | |
| SA [auth F] | e5u9fF1 | A: Thioredoxin-like | X: Nucleic acid-binding protein | H: Chelatase-like | T: AHAS-like_ACT | F: | ECOD (20:10:01) | |
| TA [auth G] | e5u9fG1 | A: Thioredoxin-like | X: Nucleic acid-binding protein | H: Chelatase-like | T: AHAS-like_ACT | F: | ECOD (20:10:01) | |
| UA [auth H] | e5u9fH1 | A: Thioredoxin-like | X: Nucleic acid-binding protein | H: Chelatase-like | T: AHAS-like_ACT | F: | ECOD (20:10:01) | |
| VA [auth I] | e5u9fI1 | A: Thioredoxin-like | X: Nucleic acid-binding protein | H: Chelatase-like | T: AHAS-like_ACT | F: | ECOD (20:10:01) | |
| WA [auth J] | e5u9fJ1 | A: Thioredoxin-like | X: Nucleic acid-binding protein | H: Chelatase-like | T: AHAS-like_ACT | F: | ECOD (20:10:01) | |
| XA [auth K] | e5u9fK1 | A: Thioredoxin-like | X: Nucleic acid-binding protein | H: Chelatase-like | T: AHAS-like_ACT | F: | ECOD (20:10:01) | |
| YA [auth L] | e5u9fL1 | A: Thioredoxin-like | X: Nucleic acid-binding protein | H: Chelatase-like | T: AHAS-like_ACT | F: | ECOD (20:10:01) | |
| ZA [auth M] | e5u9fM1 | A: Thioredoxin-like | X: Nucleic acid-binding protein | H: Chelatase-like | T: AHAS-like_ACT | F: | ECOD (20:10:01) | |
| AB [auth N] | e5u9fN1 | A: Thioredoxin-like | X: Nucleic acid-binding protein | H: Chelatase-like | T: AHAS-like_ACT | F: | ECOD (20:10:01) | |
| BB [auth O] | e5u9fO1 | A: Thioredoxin-like | X: Nucleic acid-binding protein | H: Chelatase-like | T: AHAS-like_ACT | F: | ECOD (20:10:01) | |
| DB [auth Q] | e5u9fQ1 | A: Thioredoxin-like | X: Nucleic acid-binding protein | H: Chelatase-like | T: AHAS-like_ACT | F: | ECOD (20:10:01) | |
| EB [auth R] | e5u9fR1 | A: Thioredoxin-like | X: Nucleic acid-binding protein | H: Chelatase-like | T: AHAS-like_ACT | F: | ECOD (20:10:01) | |
| FB [auth S] | e5u9fS1 | A: Thioredoxin-like | X: Nucleic acid-binding protein | H: Chelatase-like | T: AHAS-like_ACT | F: | ECOD (20:10:01) | |
| GB [auth T] | e5u9fT1 | A: Thioredoxin-like | X: Nucleic acid-binding protein | H: Chelatase-like | T: AHAS-like_ACT | F: | ECOD (20:10:01) | |
| HB [auth U] | e5u9fU1 | A: Thioredoxin-like | X: Nucleic acid-binding protein | H: Chelatase-like | T: AHAS-like_ACT | F: | ECOD (20:10:01) | |
| CB [auth P] | e5u9fP1 | A: Thioredoxin-like | X: Nucleic acid-binding protein | H: Chelatase-like | T: AHAS-like_ACT | F: | ECOD (20:10:01) | |
| GA [auth 30] | e5u9f301 | A: Thioredoxin-like | X: Nucleic acid-binding protein | H: Chelatase-like | T: AHAS-like_ACT | F: | ECOD (20:10:01) | |
| FA [auth 29] | e5u9f291 | A: Thioredoxin-like | X: Nucleic acid-binding protein | H: Chelatase-like | T: AHAS-like_ACT | F: | ECOD (20:10:01) |
Protein Family Annotation Pfam Database Homepage
| Chains | Accession | Name | Description | Comments | Source |
|---|---|---|---|---|---|
| D [auth Y] | PF03889 | Alternative ribosome-rescue factor A (ArfA) | Alternative ribosome-rescue factor A | During translation of messenger RNAs by ribosomes, translation sometimes pauses or stalls. Ribosomes stalled on mRNAs need to be rescued for reuse in order to maintain proper translation capacity. Rescue systems such as ArfA-RF2 and ArfB (formerly kn ... | Domain |
| F [auth 03] | PF00687 | Ribosomal protein L1p/L10e family (Ribosomal_L1) | Ribosomal protein L1p/L10e family | This family includes prokaryotic L1 and eukaryotic L10. | Domain |
| G [auth 04] | PF03947 | Ribosomal Proteins L2, C-terminal domain (Ribosomal_L2_C) | Ribosomal Proteins L2, C-terminal domain | Domain | |
| G [auth 04] | PF00181 | Ribosomal Proteins L2, RNA binding N-terminal domain (Ribosomal_L2_N) | Ribosomal Proteins L2, RNA binding N-terminal domain | Domain | |
| H [auth 05] | PF00297 | Ribosomal protein L3 (Ribosomal_L3) | Ribosomal protein L3 | - | Family |
| I [auth 06] | PF00573 | Ribosomal protein L4/L1 family (Ribosomal_L4) | Ribosomal protein L4/L1 family | - | Family |
| J [auth 07] | PF00281 | Ribosomal protein L5 (Ribosomal_L5) | Ribosomal protein L5 | Domain | |
| J [auth 07] | PF00673 | ribosomal L5P family C-terminus (Ribosomal_L5_C) | ribosomal L5P family C-terminus | This region is found associated with Pfam:PF00281. | Domain |
| K [auth 08] | PF00347 | Ribosomal protein L6 (Ribosomal_L6) | Ribosomal protein L6 | Domain | |
| L [auth 09] | PF01281 | Ribosomal protein L9, N-terminal domain (Ribosomal_L9_N) | Ribosomal protein L9, N-terminal domain | Domain | |
| L [auth 09] | PF03948 | Ribosomal protein L9, C-terminal domain (Ribosomal_L9_C) | Ribosomal protein L9, C-terminal domain | Domain | |
| M [auth 10] | PF00466 | Ribosomal protein L10 (Ribosomal_L10) | Ribosomal protein L10 | - | Family |
| N [auth 11] | PF03946 | Ribosomal protein L11, N-terminal domain (Ribosomal_L11_N) | Ribosomal protein L11, N-terminal domain | The N-terminal domain of Ribosomal protein L11 adopts an alpha/beta fold and is followed by the RNA binding C-terminal domain. | Domain |
| N [auth 11] | PF00298 | Ribosomal protein L11, RNA binding domain (Ribosomal_L11) | Ribosomal protein L11, RNA binding domain | Domain | |
| O [auth 12] | PF00572 | Ribosomal protein L13 (Ribosomal_L13) | Ribosomal protein L13 | - | Family |
| P [auth 13] | PF00238 | Ribosomal protein L14p/L23e (Ribosomal_L14) | Ribosomal protein L14p/L23e | Domain | |
| Q [auth 14] | PF00828 | Ribosomal proteins 50S-L15, 50S-L18e, 60S-L27A (Ribosomal_L27A) | Ribosomal proteins 50S-L15, 50S-L18e, 60S-L27A | This family includes higher eukaryotic ribosomal 60S L27A, archaeal 50S L18e, prokaryotic 50S L15, fungal mitochondrial L10, plant L27A, mitochondrial L15 and chloroplast L18-3 proteins. | Domain |
| R [auth 15] | PF00252 | Ribosomal protein L16p/L10e (Ribosomal_L16) | Ribosomal protein L16p/L10e | Domain | |
| S [auth 16] | PF01196 | Ribosomal protein L17 (Ribosomal_L17) | Ribosomal protein L17 | - | Family |
| U [auth 18] | PF01245 | Ribosomal protein L19 (Ribosomal_L19) | Ribosomal protein L19 | - | Family |
| V [auth 19] | PF00453 | Ribosomal protein L20 (Ribosomal_L20) | Ribosomal protein L20 | - | Family |
| W [auth 20] | PF00829 | Ribosomal prokaryotic L21 protein (Ribosomal_L21p) | Ribosomal prokaryotic L21 protein | - | Family |
| X [auth 21] | PF00237 | Ribosomal protein L22p/L17e (Ribosomal_L22) | Ribosomal protein L22p/L17e | This family includes L22 from prokaryotes and chloroplasts and L17 from eukaryotes. | Domain |
| Y [auth 22] | PF00276 | Ribosomal protein L23 (Ribosomal_L23) | Ribosomal protein L23 | - | Family |
| Z [auth 23] | PF17136 | Large ribosomal subunit protein uL24, C-terminal domain (ribosomal_L24) | Large ribosomal subunit protein uL24, C-terminal domain | This entry describes the C-terminal domain in large ribosomal subunit protein uL24 (also known as RPL26). RPL26 is one of the proteins from the large ribosomal subunit. In their mature form, these proteins have 103 to 150 amino-acid residues. RPL26 m ... | Domain |
| Z [auth 23] | PF00467 | KOW motif (KOW) | KOW motif | - | Family |
| AA [auth 24] | PF01386 | Ribosomal L25p family (Ribosomal_L25p) | Ribosomal L25p family | Ribosomal protein L25 is an RNA binding protein, that binds 5S rRNA. This family includes Ctc from B. subtilis Swiss:P14194, which is induced by stress. | Domain |
| CA [auth 26] | PF00830 | Ribosomal L28 family (Ribosomal_L28) | Ribosomal L28 family | - | Family |
| DA [auth 27] | PF00831 | Ribosomal L29 protein (Ribosomal_L29) | Ribosomal L29 protein | - | Family |
| EA [auth 28] | PF00327 | Ribosomal protein L30p/L7e (Ribosomal_L30) | Ribosomal protein L30p/L7e | This family includes prokaryotic L30 and eukaryotic L7. | Domain |
| HA [auth 31] | PF00471 | Ribosomal protein L33 (Ribosomal_L33) | Ribosomal protein L33 | - | Family |
| IA [auth 32] | PF00468 | Ribosomal protein L34 (Ribosomal_L34) | Ribosomal protein L34 | - | Family |
| JA [auth 33] | PF01632 | Ribosomal protein L35 (Ribosomal_L35p) | Ribosomal protein L35 | - | Family |
| KA [auth 34] | PF00444 | Ribosomal protein L36 (Ribosomal_L36) | Ribosomal protein L36 | Domain | |
| NA [auth Z] | PF03462 | PCRF domain (PCRF) | PCRF domain | This domain is found in peptide chain release factors. | Domain |
| NA [auth Z] | PF00472 | RF-1 domain (RF-1) | RF-1 domain | This domain is found in peptide chain release factors such as RF-1 (Swiss:P07011) and RF-2 (Swiss:P07012), and a number of smaller proteins of unknown function such as Swiss:P40711. This domain contains the peptidyl-tRNA hydrolase activity. The domai ... | Domain |
| OA [auth B] | PF00318 | Ribosomal protein S2 (Ribosomal_S2) | Ribosomal protein S2 | - | Family |
| PA [auth C] | PF07650 | KH domain (KH_2) | KH domain | Domain | |
| PA [auth C] | PF00189 | Ribosomal protein S3, C-terminal domain (Ribosomal_S3_C) | Ribosomal protein S3, C-terminal domain | This family contains a central domain Pfam:PF00013, hence the amino and carboxyl terminal domains are stored separately. This is a minimal carboxyl-terminal domain. Some are much longer. | Domain |
| QA [auth D] | PF00163 | Ribosomal protein S4/S9 N-terminal domain (Ribosomal_S4) | Ribosomal protein S4/S9 N-terminal domain | - | Family |
| QA [auth D] | PF01479 | S4 domain (S4) | S4 domain | The S4 domain is a small domain consisting of 60-65 amino acid residues that was detected in the bacterial ribosomal protein S4, eukaryotic ribosomal S9, two families of pseudouridine synthases, a novel family of predicted RNA methylases, a yeast pro ... | Domain |
| RA [auth E] | PF03719 | Ribosomal protein S5, C-terminal domain (Ribosomal_S5_C) | Ribosomal protein S5, C-terminal domain | Domain | |
| RA [auth E] | PF00333 | Ribosomal protein S5, N-terminal domain (Ribosomal_S5) | Ribosomal protein S5, N-terminal domain | Domain | |
| SA [auth F] | PF01250 | Ribosomal protein S6 (Ribosomal_S6) | Ribosomal protein S6 | Domain | |
| TA [auth G] | PF00177 | Ribosomal protein S7p/S5e (Ribosomal_S7) | Ribosomal protein S7p/S5e | This family contains ribosomal protein S7 from prokaryotes and S5 from eukaryotes. | Domain |
| UA [auth H] | PF00410 | Ribosomal protein S8 (Ribosomal_S8) | Ribosomal protein S8 | Domain | |
| VA [auth I] | PF00380 | Ribosomal protein S9/S16 (Ribosomal_S9) | Ribosomal protein S9/S16 | - | Family |
| WA [auth J] | PF00338 | Ribosomal protein S10p/S20e (Ribosomal_S10) | Ribosomal protein S10p/S20e | This family includes small ribosomal subunit S10 from prokaryotes and S20 from eukaryotes. | Domain |
| XA [auth K] | PF00411 | Ribosomal protein S11 (Ribosomal_S11) | Ribosomal protein S11 | - | Family |
| YA [auth L] | PF00164 | Ribosomal protein S12/S23 (Ribosom_S12_S23) | Ribosomal protein S12/S23 | This protein is known as S12 in bacteria and archaea and S23 in eukaryotes. | Domain |
| ZA [auth M] | PF00416 | Ribosomal protein S13/S18 (Ribosomal_S13) | Ribosomal protein S13/S18 | - | Family |
| AB [auth N] | PF00253 | Ribosomal protein S14p/S29e (Ribosomal_S14) | Ribosomal protein S14p/S29e | - | Family |
| BB [auth O] | PF00312 | Ribosomal protein S15 (Ribosomal_S15) | Ribosomal protein S15 | Domain | |
| DB [auth Q] | PF00366 | Ribosomal protein S17 (Ribosomal_S17) | Ribosomal protein S17 | Domain | |
| EB [auth R] | PF01084 | Ribosomal protein S18 (Ribosomal_S18) | Ribosomal protein S18 | - | Family |
| FB [auth S] | PF00203 | Ribosomal protein S19 (Ribosomal_S19) | Ribosomal protein S19 | Domain | |
| CB [auth P] | PF00886 | Ribosomal protein S16 (Ribosomal_S16) | Ribosomal protein S16 | - | Family |
| GA [auth 30] | PF01783 | Ribosomal L32p protein family (Ribosomal_L32p) | Ribosomal L32p protein family | - | Family |
| FA [auth 29] | PF01197 | Ribosomal protein L31 (Ribosomal_L31) | Ribosomal protein L31 | - | Family |














