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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：P18138 New Search
67PDB entries
67Biological assembly
67chain/assembly records
UNP PDB Protein and construct Assembly Composition class Protein state Molecular copy count PDB declaration Consistency status
P18138 1ffk RIBOSOMAL PROTEIN L31E Author chain U Reference sequence 1–91 1 Protein–RNA Heteromer Protein 27 RNA 2 29-meric （29） Consistent with all polymers
P18138 1jj2 RIBOSOMAL PROTEIN L31E Author chain W Reference sequence 1–91 1 Protein–RNA Heteromer Protein 28 RNA 2 30-meric （30） Consistent with all polymers
P18138 1k73 RIBOSOMAL PROTEIN L31E Author chain Y Reference sequence 1–91 1 Protein–RNA Heteromer Protein 28 RNA 2 30-meric （30） Consistent with all polymers
P18138 1k8a RIBOSOMAL PROTEIN L31E Author chain Y Reference sequence 1–91 1 Protein–RNA Heteromer Protein 28 RNA 2 30-meric （30） Consistent with all polymers
P18138 1k9m RIBOSOMAL PROTEIN L31E Author chain Y Reference sequence 1–91 1 Protein–RNA Heteromer Protein 28 RNA 2 30-meric （30） Consistent with all polymers
P18138 1kc8 RIBOSOMAL PROTEIN L31E Author chain Y Reference sequence 1–91 1 Protein–RNA Heteromer Protein 28 RNA 2 30-meric （30） Consistent with all polymers
P18138 1kd1 RIBOSOMAL PROTEIN L31E Author chain Y Reference sequence 1–91 1 Protein–RNA Heteromer Protein 28 RNA 2 30-meric （30） Consistent with all polymers
P18138 1kqs RIBOSOMAL PROTEIN L31E Author chain W Reference sequence 1–91 1 Protein–RNA Heteromer Protein 28 RNA 4 32-meric （32） Consistent with all polymers
P18138 1m1k RIBOSOMAL PROTEIN L31E Author chain Y Reference sequence 1–91 1 Protein–RNA Heteromer Protein 28 RNA 2 30-meric （30） Consistent with all polymers
P18138 1m90 RIBOSOMAL PROTEIN L31E Author chain Y Reference sequence 1–91 1 Protein–RNA Heteromer Protein 28 RNA 3 31-meric （31） Consistent with all polymers
P18138 1n8r 50S ribosomal protein L31E Author chain Y Reference sequence 1–91 1 Protein–RNA Heteromer Protein 28 RNA 2 30-meric （30） Consistent with all polymers
P18138 1nji 50S ribosomal protein L31E Author chain Y Reference sequence 1–91 1 Protein–RNA Heteromer Protein 28 RNA 2 30-meric （30） Consistent with all polymers
P18138 1q7y 50S ribosomal protein L31e Author chain Y Reference sequence 1–91 1 Other combination Heteromer Protein 28 DNA 1 RNA 2 31-meric （31） Consistent with all polymers
P18138 1q81 50S ribosomal protein L31e Author chain Y Reference sequence 1–91 1 Protein–RNA Heteromer Protein 28 RNA 3 31-meric （31） Consistent with all polymers
P18138 1q82 50S ribosomal protein L31e Author chain Y Reference sequence 1–91 1 Protein–RNA Heteromer Protein 28 RNA 3 31-meric （31） Consistent with all polymers
P18138 1q86 50S ribosomal protein L31e Author chain Y Reference sequence 1–91 1 Protein–RNA Heteromer Protein 28 RNA 4 32-meric （32） Consistent with all polymers
P18138 1qvf 50S ribosomal protein L31e Author chain W Reference sequence 1–91 1 Protein–RNA Heteromer Protein 28 RNA 3 31-meric （31） Consistent with all polymers
P18138 1qvg 50S ribosomal protein L31e Author chain W Reference sequence 1–91 1 Protein–RNA Heteromer Protein 28 RNA 5 33-meric （33） Consistent with all polymers
P18138 1s72 50S ribosomal protein L31e Author chain X Reference sequence 0–91 1 Protein–RNA Heteromer Protein 29 RNA 2 31-meric （31） Consistent with all polymers
P18138 1vq4 50S ribosomal protein L31e Author chain X Reference sequence 0–91 1 Protein–RNA Heteromer Protein 29 RNA 3 32-meric （32） Consistent with all polymers
P18138 1vq5 50S ribosomal protein L31e Author chain X Reference sequence 0–91 1 Protein–RNA Heteromer Protein 29 RNA 3 32-meric （32） Consistent with all polymers
P18138 1vq6 50S ribosomal protein L31e Author chain X Reference sequence 0–91 1 Protein–RNA Heteromer Protein 29 RNA 4 33-meric （33） Consistent with all polymers
P18138 1vq7 50S ribosomal protein L31e Author chain X Reference sequence 0–91 1 Protein–RNA Heteromer Protein 29 RNA 3 32-meric （32） Consistent with all polymers
P18138 1vq8 50S ribosomal protein L31e Author chain X Reference sequence 0–91 1 Protein–RNA Heteromer Protein 29 RNA 3 32-meric （32） Consistent with all polymers
P18138 1vq9 50S ribosomal protein L31e Author chain X Reference sequence 0–91 1 Protein–RNA Heteromer Protein 29 RNA 3 32-meric （32） Consistent with all polymers
P18138 1vqk 50S ribosomal protein L31e Author chain X Reference sequence 0–91 1 Protein–RNA Heteromer Protein 29 RNA 3 32-meric （32） Consistent with all polymers
P18138 1vql 50S ribosomal protein L31e Author chain X Reference sequence 0–91 1 Protein–RNA Heteromer Protein 29 RNA 3 32-meric （32） Consistent with all polymers
P18138 1vqm 50S ribosomal protein L31e Author chain X Reference sequence 0–91 1 Protein–RNA Heteromer Protein 29 RNA 3 32-meric （32） Consistent with all polymers
P18138 1vqn 50S ribosomal protein L31e Author chain X Reference sequence 0–91 1 Protein–RNA Heteromer Protein 29 RNA 4 33-meric （33） Consistent with all polymers
P18138 1vqo 50S ribosomal protein L31e Author chain X Reference sequence 0–91 1 Protein–RNA Heteromer Protein 29 RNA 3 32-meric （32） Consistent with all polymers
P18138 1vqp 50S ribosomal protein L31e Author chain X Reference sequence 0–91 1 Protein–RNA Heteromer Protein 29 RNA 3 32-meric （32） Consistent with all polymers
P18138 1w2b 50S RIBOSOMAL PROTEIN L31E Author chain W Reference sequence 1–91 1 Protein–RNA Heteromer Protein 29 RNA 2 31-meric （31） Consistent with all polymers
P18138 1yhq 50S ribosomal protein L31e Author chain X Reference sequence 0–91 1 Protein–RNA Heteromer Protein 29 RNA 2 31-meric （31） Consistent with all polymers
P18138 1yi2 50S ribosomal protein L31e Author chain X Reference sequence 0–91 1 Protein–RNA Heteromer Protein 29 RNA 2 31-meric （31） Consistent with all polymers
P18138 1yij 50S ribosomal protein L31e Author chain X Reference sequence 0–91 1 Protein–RNA Heteromer Protein 29 RNA 2 31-meric （31） Consistent with all polymers
P18138 1yit 50S RIBOSOMAL PROTEIN L31E Author chain X Reference sequence 0–91 1 Protein–RNA Heteromer Protein 30 RNA 2 32-meric （32） Consistent with all polymers
P18138 1yj9 50S ribosomal protein L31e Author chain X Reference sequence 0–91 1 Protein–RNA Heteromer Protein 29 RNA 2 31-meric （31） Consistent with all polymers
P18138 1yjn 50S ribosomal protein L31e Author chain X Reference sequence 0–91 1 Protein–RNA Heteromer Protein 29 RNA 2 31-meric （31） Consistent with all polymers
P18138 1yjw 50S ribosomal protein L31e Author chain X Reference sequence 1–92 1 Protein–RNA Heteromer Protein 30 RNA 2 32-meric （32） Consistent with all polymers
P18138 2otj 50S ribosomal protein L31e Author chain X Reference sequence 1–92 1 Protein–RNA Heteromer Protein 29 RNA 2 31-meric （31） Consistent with all polymers
P18138 2otl 50S ribosomal protein L31e Author chain X Reference sequence 1–92 1 Protein–RNA Heteromer Protein 29 RNA 2 31-meric （31） Consistent with all polymers
P18138 2qa4 50S RIBOSOMAL PROTEIN L31E Author chain X Reference sequence 1–92 1 Protein–RNA Heteromer Protein 29 RNA 2 31-meric （31） Consistent with all polymers
P18138 2qex 50S ribosomal protein L31e Author chain X Reference sequence 1–92 1 Protein–RNA Heteromer Protein 29 RNA 2 31-meric （31） Consistent with all polymers
P18138 3cc2 50S ribosomal protein L31e Author chain X Reference sequence 1–92 1 Protein–RNA Heteromer Protein 29 RNA 2 31-meric （31） Consistent with all polymers
P18138 3cc4 50S ribosomal protein L31e Author chain X Reference sequence 1–92 1 Protein–RNA Heteromer Protein 29 RNA 2 31-meric （31） Consistent with all polymers
P18138 3cc7 50S ribosomal protein L31e Author chain X Reference sequence 1–92 1 Protein–RNA Heteromer Protein 29 RNA 2 31-meric （31） Consistent with all polymers
P18138 3cce 50S ribosomal protein L31e Author chain X Reference sequence 1–92 1 Protein–RNA Heteromer Protein 29 RNA 2 31-meric （31） Consistent with all polymers
P18138 3ccj 50S ribosomal protein L31e Author chain X Reference sequence 1–92 1 Protein–RNA Heteromer Protein 29 RNA 2 31-meric （31） Consistent with all polymers
P18138 3ccl 50S ribosomal protein L31e Author chain X Reference sequence 1–92 1 Protein–RNA Heteromer Protein 29 RNA 2 31-meric （31） Consistent with all polymers
P18138 3ccm 50S ribosomal protein L31e Author chain X Reference sequence 1–92 1 Protein–RNA Heteromer Protein 29 RNA 2 31-meric （31） Consistent with all polymers
P18138 3ccq 50S ribosomal protein L31e Author chain X Reference sequence 1–92 1 Protein–RNA Heteromer Protein 29 RNA 2 31-meric （31） Consistent with all polymers
P18138 3ccr 50S ribosomal protein L31e Author chain X Reference sequence 1–92 1 Protein–RNA Heteromer Protein 29 RNA 2 31-meric （31） Consistent with all polymers
P18138 3ccs 50S ribosomal protein L31e Author chain X Reference sequence 1–92 1 Protein–RNA Heteromer Protein 29 RNA 2 31-meric （31） Consistent with all polymers
P18138 3ccu 50S ribosomal protein L31e Author chain X Reference sequence 1–92 1 Protein–RNA Heteromer Protein 29 RNA 2 31-meric （31） Consistent with all polymers
P18138 3ccv 50S ribosomal protein L31e Author chain X Reference sequence 1–92 1 Protein–RNA Heteromer Protein 29 RNA 2 31-meric （31） Consistent with all polymers
P18138 3cd6 50S ribosomal protein L31e Author chain X Reference sequence 1–92 1 Protein–RNA Heteromer Protein 29 RNA 3 32-meric （32） Consistent with all polymers
P18138 3cma 50S ribosomal protein L31e Author chain X Reference sequence 1–92 1 Protein–RNA Heteromer Protein 29 RNA 4 33-meric （33） Consistent with all polymers
P18138 3cme 50S ribosomal protein L31e Author chain X Reference sequence 1–92 1 Protein–RNA Heteromer Protein 29 RNA 4 33-meric （33） Consistent with all polymers
P18138 3cpw 50S ribosomal protein L31e Author chain W Reference sequence 1–92 1 Protein–RNA Heteromer Protein 28 RNA 3 31-meric （31） Consistent with all polymers
P18138 3cxc RIBOSOMAL PROTEIN L31E Author chain W Reference sequence 1–91 1 Protein–RNA Heteromer Protein 28 RNA 3 31-meric （31） Consistent with all polymers
P18138 3g4s 50S ribosomal protein L31e Author chain X Reference sequence 8–89 1 Protein–RNA Heteromer Protein 29 RNA 2 31-meric （31） Consistent with all polymers
P18138 3g6e 50S ribosomal protein L31e Author chain X Reference sequence 8–89 1 Protein–RNA Heteromer Protein 29 RNA 2 31-meric （31） Consistent with all polymers
P18138 3g71 50S ribosomal protein L31e Author chain X Reference sequence 8–89 1 Protein–RNA Heteromer Protein 29 RNA 2 31-meric （31） Consistent with all polymers
P18138 3i55 50S ribosomal protein L31e Author chain X Reference sequence 1–92 1 Other combination Heteromer Protein 29 DNA 1 RNA 2 32-meric （32） Consistent with all polymers
P18138 3i56 50S ribosomal protein L31e Author chain X Reference sequence 1–92 1 Protein–RNA Heteromer Protein 29 RNA 2 31-meric （31） Consistent with all polymers
P18138 3ow2 50S ribosomal protein L31e Author chain W Reference sequence 7–88 1 Protein–RNA Heteromer Protein 28 RNA 2 30-meric （30） Consistent with all polymers
P18138 4v9f 50S ribosomal protein L31e Author chain X Reference sequence 1–92 1 Protein–RNA Heteromer Protein 32 RNA 2 34-meric （34） 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.