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Protein Structures and Oligomeric States

Enter a protein name, UniProt accession or PDB ID. Name searches ask you to confirm the protein identity before related structures are queried.

Current Protein Identity：P75541 New Search
33PDB entries
33Biological assembly
33chain/assembly records
UNP PDB Protein and construct Assembly Composition class Protein state Molecular copy count PDB declaration Consistency status
P75541 7ooc 30S ribosomal protein S18 Author chain Q Reference sequence 1–104 1 Protein–RNA Heteromer Protein 20 RNA 1 21-meric （21） Consistent with all polymers
P75541 7p6z 30S ribosomal protein S18 Author chain Q Reference sequence 1–104 1 Protein–RNA Heteromer Protein 50 RNA 5 55-meric （55） Consistent with all polymers
P75541 7pah 30S ribosomal protein S18 Author chain Q Reference sequence 1–104 1 Protein–RNA Heteromer Protein 49 RNA 5 54-meric （54） Consistent with all polymers
P75541 7pai 30S ribosomal protein S18 Author chain Q Reference sequence 1–104 1 Protein–RNA Heteromer Protein 49 RNA 4 53-meric （53） Consistent with all polymers
P75541 7paj 30S ribosomal protein S18 Author chain Q Reference sequence 1–104 1 Protein–RNA Heteromer Protein 50 RNA 6 56-meric （56） Consistent with all polymers
P75541 7pak 30S ribosomal protein S18 Author chain Q Reference sequence 1–104 1 Protein–RNA Heteromer Protein 50 RNA 5 55-meric （55） Consistent with all polymers
P75541 7pal 30S ribosomal protein S18 Author chain Q Reference sequence 1–104 1 Protein–RNA Heteromer Protein 50 RNA 6 56-meric （56） Consistent with all polymers
P75541 7pam 30S ribosomal protein S18 Author chain Q Reference sequence 1–104 1 Protein–RNA Heteromer Protein 49 RNA 5 54-meric （54） Consistent with all polymers
P75541 7pan 30S ribosomal protein S18 Author chain Q Reference sequence 1–104 1 Protein–RNA Heteromer Protein 49 RNA 5 54-meric （54） Consistent with all polymers
P75541 7pao 30S ribosomal protein S18 Author chain Q Reference sequence 1–104 1 Protein–RNA Heteromer Protein 51 RNA 5 56-meric （56） Consistent with all polymers
P75541 7paq 30S ribosomal protein S18 Author chain Q Reference sequence 1–104 1 Protein–RNA Heteromer Protein 51 RNA 5 56-meric （56） Consistent with all polymers
P75541 7par 30S ribosomal protein S18 Author chain Q Reference sequence 1–104 1 Protein–RNA Heteromer Protein 51 RNA 5 56-meric （56） Consistent with all polymers
P75541 7pas 30S ribosomal protein S18 Author chain Q Reference sequence 1–104 1 Protein–RNA Heteromer Protein 49 RNA 4 53-meric （53） Consistent with all polymers
P75541 7ph9 30S ribosomal protein S18 Author chain Q Reference sequence 1–104 1 Protein–RNA Heteromer Protein 49 RNA 4 53-meric （53） Consistent with all polymers
P75541 7pha 30S ribosomal protein S18 Author chain Q Reference sequence 1–104 1 Protein–RNA Heteromer Protein 50 RNA 5 55-meric （55） Consistent with all polymers
P75541 7phb 30S ribosomal protein S18 Author chain Q Reference sequence 1–104 1 Protein–RNA Heteromer Protein 50 RNA 6 56-meric （56） Consistent with all polymers
P75541 7phc 30S ribosomal protein S18 Author chain Q Reference sequence 1–104 1 Protein–RNA Heteromer Protein 49 RNA 5 54-meric （54） Consistent with all polymers
P75541 7pi8 30S ribosomal protein S18 Author chain Q Reference sequence 1–104 1 Protein–RNA Heteromer Protein 49 RNA 4 53-meric （53） Consistent with all polymers
P75541 7pi9 30S ribosomal protein S18 Author chain Q Reference sequence 1–104 1 Protein–RNA Heteromer Protein 50 RNA 5 55-meric （55） Consistent with all polymers
P75541 7pia 30S ribosomal protein S18 Author chain Q Reference sequence 1–104 1 Protein–RNA Heteromer Protein 49 RNA 5 54-meric （54） Consistent with all polymers
P75541 7pib 30S ribosomal protein S18 Author chain Q Reference sequence 1–104 1 Protein–RNA Heteromer Protein 51 RNA 5 56-meric （56） Consistent with all polymers
P75541 7pic 30S ribosomal protein S18 Author chain Q Reference sequence 1–104 1 Protein–RNA Heteromer Protein 49 RNA 4 53-meric （53） Consistent with all polymers
P75541 7pio 30S ribosomal protein S18 Author chain Q Reference sequence 1–104 1 Protein–RNA Heteromer Protein 49 RNA 4 53-meric （53） Consistent with all polymers
P75541 7pip 30S ribosomal protein S18 Author chain Q Reference sequence 1–104 1 Protein–RNA Heteromer Protein 50 RNA 5 55-meric （55） Consistent with all polymers
P75541 7piq 30S ribosomal protein S18 Author chain Q Reference sequence 1–104 1 Protein–RNA Heteromer Protein 49 RNA 5 54-meric （54） Consistent with all polymers
P75541 7pir 30S ribosomal protein S18 Author chain Q Reference sequence 1–104 1 Protein–RNA Heteromer Protein 49 RNA 5 54-meric （54） Consistent with all polymers
P75541 7pis 30S ribosomal protein S18 Author chain Q Reference sequence 1–104 1 Protein–RNA Heteromer Protein 51 RNA 5 56-meric （56） Consistent with all polymers
P75541 7pit 30S ribosomal protein S18 Author chain Q Reference sequence 1–104 1 Protein–RNA Heteromer Protein 51 RNA 5 56-meric （56） Consistent with all polymers
P75541 8p6p 30S ribosomal protein S18 Author chain Q Reference sequence 1–104 1 Protein–RNA Heteromer Protein 21 RNA 5 26-meric （26） Consistent with all polymers
P75541 8p7x 30S ribosomal protein S18 Author chain Q Reference sequence 1–104 1 Protein–RNA Heteromer Protein 51 RNA 7 58-meric （58） Consistent with all polymers
P75541 8p7y 30S ribosomal protein S18 Author chain Q Reference sequence 1–104 1 Protein–RNA Heteromer Protein 52 RNA 7 59-meric （59） Consistent with all polymers
P75541 8p8v 30S ribosomal protein S18 Author chain Q Reference sequence 1–104 1 Protein–RNA Heteromer Protein 52 RNA 7 59-meric （59） Consistent with all polymers
P75541 8p8w 30S ribosomal protein S18 Author chain Q Reference sequence 1–104 1 Protein–RNA Heteromer Protein 52 RNA 6 58-meric （58） Consistent with all polymers

“Homomeric versus heteromeric classification follows protein identity; different constructs of the same UniProt entry still require comparison of reference-sequence ranges, mutations and missing segments. Assemblies marked for review remain visible but are not included in the highest-confidence candidate set.