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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：P14123 New Search
68PDB entries
68Biological assembly
68chain/assembly records
UNP PDB Protein and construct Assembly Composition class Protein state Molecular copy count PDB declaration Consistency status
P14123 1ffk RIBOSOMAL PROTEIN L18 Author chain K Reference sequence 1–185 1 Protein–RNA Heteromer Protein 27 RNA 2 29-meric （29） Consistent with all polymers
P14123 1jj2 RIBOSOMAL PROTEIN L18 Author chain M Reference sequence 1–186 1 Protein–RNA Heteromer Protein 28 RNA 2 30-meric （30） Consistent with all polymers
P14123 1k73 RIBOSOMAL PROTEIN L18 Author chain O Reference sequence 1–186 1 Protein–RNA Heteromer Protein 28 RNA 2 30-meric （30） Consistent with all polymers
P14123 1k8a RIBOSOMAL PROTEIN L18 Author chain O Reference sequence 1–186 1 Protein–RNA Heteromer Protein 28 RNA 2 30-meric （30） Consistent with all polymers
P14123 1k9m RIBOSOMAL PROTEIN L18 Author chain O Reference sequence 1–186 1 Protein–RNA Heteromer Protein 28 RNA 2 30-meric （30） Consistent with all polymers
P14123 1kc8 RIBOSOMAL PROTEIN L18 Author chain O Reference sequence 1–186 1 Protein–RNA Heteromer Protein 28 RNA 2 30-meric （30） Consistent with all polymers
P14123 1kd1 RIBOSOMAL PROTEIN L18 Author chain O Reference sequence 1–186 1 Protein–RNA Heteromer Protein 28 RNA 2 30-meric （30） Consistent with all polymers
P14123 1kqs RIBOSOMAL PROTEIN L18 Author chain M Reference sequence 1–186 1 Protein–RNA Heteromer Protein 28 RNA 4 32-meric （32） Consistent with all polymers
P14123 1m1k RIBOSOMAL PROTEIN L18 Author chain O Reference sequence 1–186 1 Protein–RNA Heteromer Protein 28 RNA 2 30-meric （30） Consistent with all polymers
P14123 1m90 RIBOSOMAL PROTEIN L18 Author chain O Reference sequence 1–186 1 Protein–RNA Heteromer Protein 28 RNA 3 31-meric （31） Consistent with all polymers
P14123 1n8r 50S ribosomal protein L18P Author chain O Reference sequence 1–186 1 Protein–RNA Heteromer Protein 28 RNA 2 30-meric （30） Consistent with all polymers
P14123 1nji 50S ribosomal protein L18P Author chain O Reference sequence 1–186 1 Protein–RNA Heteromer Protein 28 RNA 2 30-meric （30） Consistent with all polymers
P14123 1q7y 50S ribosomal protein L18P Author chain O Reference sequence 1–186 1 Other combination Heteromer Protein 28 DNA 1 RNA 2 31-meric （31） Consistent with all polymers
P14123 1q81 50S ribosomal protein L18P Author chain O Reference sequence 1–186 1 Protein–RNA Heteromer Protein 28 RNA 3 31-meric （31） Consistent with all polymers
P14123 1q82 50S ribosomal protein L18P Author chain O Reference sequence 1–186 1 Protein–RNA Heteromer Protein 28 RNA 3 31-meric （31） Consistent with all polymers
P14123 1q86 50S ribosomal protein L18P Author chain O Reference sequence 1–186 1 Protein–RNA Heteromer Protein 28 RNA 4 32-meric （32） Consistent with all polymers
P14123 1qvf 50S ribosomal protein L18P Author chain M Reference sequence 1–186 1 Protein–RNA Heteromer Protein 28 RNA 3 31-meric （31） Consistent with all polymers
P14123 1qvg 50S ribosomal protein L18P Author chain M Reference sequence 1–186 1 Protein–RNA Heteromer Protein 28 RNA 5 33-meric （33） Consistent with all polymers
P14123 1s72 50S ribosomal protein L18P Author chain N Reference sequence 0–186 1 Protein–RNA Heteromer Protein 29 RNA 2 31-meric （31） Consistent with all polymers
P14123 1vq4 50S ribosomal protein L18P Author chain N Reference sequence 0–186 1 Protein–RNA Heteromer Protein 29 RNA 3 32-meric （32） Consistent with all polymers
P14123 1vq5 50S ribosomal protein L18P Author chain N Reference sequence 0–186 1 Protein–RNA Heteromer Protein 29 RNA 3 32-meric （32） Consistent with all polymers
P14123 1vq6 50S ribosomal protein L18P Author chain N Reference sequence 0–186 1 Protein–RNA Heteromer Protein 29 RNA 4 33-meric （33） Consistent with all polymers
P14123 1vq7 50S ribosomal protein L18P Author chain N Reference sequence 0–186 1 Protein–RNA Heteromer Protein 29 RNA 3 32-meric （32） Consistent with all polymers
P14123 1vq8 50S ribosomal protein L18P Author chain N Reference sequence 0–186 1 Protein–RNA Heteromer Protein 29 RNA 3 32-meric （32） Consistent with all polymers
P14123 1vq9 50S ribosomal protein L18P Author chain N Reference sequence 0–186 1 Protein–RNA Heteromer Protein 29 RNA 3 32-meric （32） Consistent with all polymers
P14123 1vqk 50S ribosomal protein L18P Author chain N Reference sequence 0–186 1 Protein–RNA Heteromer Protein 29 RNA 3 32-meric （32） Consistent with all polymers
P14123 1vql 50S ribosomal protein L18P Author chain N Reference sequence 0–186 1 Protein–RNA Heteromer Protein 29 RNA 3 32-meric （32） Consistent with all polymers
P14123 1vqm 50S ribosomal protein L18P Author chain N Reference sequence 0–186 1 Protein–RNA Heteromer Protein 29 RNA 3 32-meric （32） Consistent with all polymers
P14123 1vqn 50S ribosomal protein L18P Author chain N Reference sequence 0–186 1 Protein–RNA Heteromer Protein 29 RNA 4 33-meric （33） Consistent with all polymers
P14123 1vqo 50S ribosomal protein L18P Author chain N Reference sequence 0–186 1 Protein–RNA Heteromer Protein 29 RNA 3 32-meric （32） Consistent with all polymers
P14123 1vqp 50S ribosomal protein L18P Author chain N Reference sequence 0–186 1 Protein–RNA Heteromer Protein 29 RNA 3 32-meric （32） Consistent with all polymers
P14123 1w2b 50S RIBOSOMAL PROTEIN L18P Author chain M Reference sequence 1–186 1 Protein–RNA Heteromer Protein 29 RNA 2 31-meric （31） Consistent with all polymers
P14123 1yhq 50S ribosomal protein L18P Author chain N Reference sequence 0–186 1 Protein–RNA Heteromer Protein 29 RNA 2 31-meric （31） Consistent with all polymers
P14123 1yi2 50S ribosomal protein L18P Author chain N Reference sequence 0–186 1 Protein–RNA Heteromer Protein 29 RNA 2 31-meric （31） Consistent with all polymers
P14123 1yij 50S ribosomal protein L18P Author chain N Reference sequence 0–186 1 Protein–RNA Heteromer Protein 29 RNA 2 31-meric （31） Consistent with all polymers
P14123 1yit 50S RIBOSOMAL PROTEIN L18P Author chain N Reference sequence 0–186 1 Protein–RNA Heteromer Protein 30 RNA 2 32-meric （32） Consistent with all polymers
P14123 1yj9 50S ribosomal protein L18P Author chain N Reference sequence 0–186 1 Protein–RNA Heteromer Protein 29 RNA 2 31-meric （31） Consistent with all polymers
P14123 1yjn 50S ribosomal protein L18P Author chain N Reference sequence 0–186 1 Protein–RNA Heteromer Protein 29 RNA 2 31-meric （31） Consistent with all polymers
P14123 1yjw 50S ribosomal protein L18 Author chain N Reference sequence 1–187 1 Protein–RNA Heteromer Protein 30 RNA 2 32-meric （32） Consistent with all polymers
P14123 2otj 50S ribosomal protein L18P Author chain N Reference sequence 1–187 1 Protein–RNA Heteromer Protein 29 RNA 2 31-meric （31） Consistent with all polymers
P14123 2otl 50S ribosomal protein L18P Author chain N Reference sequence 1–187 1 Protein–RNA Heteromer Protein 29 RNA 2 31-meric （31） Consistent with all polymers
P14123 2qa4 50S ribosomal protein L18P Author chain N Reference sequence 1–187 1 Protein–RNA Heteromer Protein 29 RNA 2 31-meric （31） Consistent with all polymers
P14123 2qex 50S ribosomal protein L18P Author chain N Reference sequence 1–187 1 Protein–RNA Heteromer Protein 29 RNA 2 31-meric （31） Consistent with all polymers
P14123 3cc2 50S ribosomal protein L18P Author chain N Reference sequence 1–187 1 Protein–RNA Heteromer Protein 29 RNA 2 31-meric （31） Consistent with all polymers
P14123 3cc4 50S ribosomal protein L18P Author chain N Reference sequence 1–187 1 Protein–RNA Heteromer Protein 29 RNA 2 31-meric （31） Consistent with all polymers
P14123 3cc7 50S ribosomal protein L18P Author chain N Reference sequence 1–187 1 Protein–RNA Heteromer Protein 29 RNA 2 31-meric （31） Consistent with all polymers
P14123 3cce 50S ribosomal protein L18P Author chain N Reference sequence 1–187 1 Protein–RNA Heteromer Protein 29 RNA 2 31-meric （31） Consistent with all polymers
P14123 3ccj 50S ribosomal protein L18P Author chain N Reference sequence 1–187 1 Protein–RNA Heteromer Protein 29 RNA 2 31-meric （31） Consistent with all polymers
P14123 3ccl 50S ribosomal protein L18P Author chain N Reference sequence 1–187 1 Protein–RNA Heteromer Protein 29 RNA 2 31-meric （31） Consistent with all polymers
P14123 3ccm 50S ribosomal protein L18P Author chain N Reference sequence 1–187 1 Protein–RNA Heteromer Protein 29 RNA 2 31-meric （31） Consistent with all polymers
P14123 3ccq 50S ribosomal protein L18P Author chain N Reference sequence 1–187 1 Protein–RNA Heteromer Protein 29 RNA 2 31-meric （31） Consistent with all polymers
P14123 3ccr 50S ribosomal protein L18P Author chain N Reference sequence 1–187 1 Protein–RNA Heteromer Protein 29 RNA 2 31-meric （31） Consistent with all polymers
P14123 3ccs 50S ribosomal protein L18P Author chain N Reference sequence 1–187 1 Protein–RNA Heteromer Protein 29 RNA 2 31-meric （31） Consistent with all polymers
P14123 3ccu 50S ribosomal protein L18P Author chain N Reference sequence 1–187 1 Protein–RNA Heteromer Protein 29 RNA 2 31-meric （31） Consistent with all polymers
P14123 3ccv 50S ribosomal protein L18P Author chain N Reference sequence 1–187 1 Protein–RNA Heteromer Protein 29 RNA 2 31-meric （31） Consistent with all polymers
P14123 3cd6 50S ribosomal protein L18P Author chain N Reference sequence 1–187 1 Protein–RNA Heteromer Protein 29 RNA 3 32-meric （32） Consistent with all polymers
P14123 3cma 50S ribosomal protein L18P Author chain N Reference sequence 1–187 1 Protein–RNA Heteromer Protein 29 RNA 4 33-meric （33） Consistent with all polymers
P14123 3cme 50S ribosomal protein L18P Author chain N Reference sequence 1–187 1 Protein–RNA Heteromer Protein 29 RNA 4 33-meric （33） Consistent with all polymers
P14123 3cpw 50S ribosomal protein L18P Author chain M Reference sequence 1–187 1 Protein–RNA Heteromer Protein 28 RNA 3 31-meric （31） Consistent with all polymers
P14123 3cxc RIBOSOMAL PROTEIN L18 Author chain M Reference sequence 1–186 1 Protein–RNA Heteromer Protein 28 RNA 3 31-meric （31） Consistent with all polymers
P14123 3g4s 50S ribosomal protein L18P Author chain N Reference sequence 2–187 1 Protein–RNA Heteromer Protein 29 RNA 2 31-meric （31） Consistent with all polymers
P14123 3g6e 50S ribosomal protein L18P Author chain N Reference sequence 2–187 1 Protein–RNA Heteromer Protein 29 RNA 2 31-meric （31） Consistent with all polymers
P14123 3g71 50S ribosomal protein L18P Author chain N Reference sequence 2–187 1 Protein–RNA Heteromer Protein 29 RNA 2 31-meric （31） Consistent with all polymers
P14123 3i55 50S ribosomal protein L18P Author chain N Reference sequence 1–187 1 Other combination Heteromer Protein 29 DNA 1 RNA 2 32-meric （32） Consistent with all polymers
P14123 3i56 50S ribosomal protein L18P Author chain N Reference sequence 1–187 1 Protein–RNA Heteromer Protein 29 RNA 2 31-meric （31） Consistent with all polymers
P14123 3ow2 50S ribosomal protein L18P Author chain M Reference sequence 1–186 1 Protein–RNA Heteromer Protein 28 RNA 2 30-meric （30） Consistent with all polymers
P14123 4v42 50S RIBOSOMAL PROTEIN L18 Author chain BQ Reference sequence 1–186 1 Insufficient information Heteromer Protein 42 RNA 7 49-meric （49） Consistent with all polymers
P14123 4v9f 50S ribosomal protein L18P Author chain N Reference sequence 1–187 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.