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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：O75533 New Search
72PDB entries
78Biological assembly
89chain/assembly records
UNP PDB Protein and construct Assembly Composition class Protein state Molecular copy count PDB declaration Consistency status
O75533 2f9d Splicing factor 3B subunit 1 Author chain P Reference sequence 373–415 1 Protein heterocomplex Heteromer Protein 2 dimeric （2） Consistent with protein count
O75533 2f9d Splicing factor 3B subunit 1 Author chain Q Reference sequence 373–415 1 Protein heterocomplex Heteromer Protein 2 dimeric （2） Consistent with protein count
O75533 2f9d Splicing factor 3B subunit 1 Author chain P Reference sequence 373–415 2 Protein heterocomplex Heteromer Protein 2 dimeric （2） Consistent with protein count
O75533 2f9d Splicing factor 3B subunit 1 Author chain Q Reference sequence 373–415 2 Protein heterocomplex Heteromer Protein 2 dimeric （2） Consistent with protein count
O75533 2f9j Splicing factor 3B subunit 1 Author chain P Reference sequence 381–415 1 Protein heterocomplex Heteromer Protein 2 dimeric （2） Consistent with protein count
O75533 2f9j Splicing factor 3B subunit 1 Author chain Q Reference sequence 381–415 1 Protein heterocomplex Heteromer Protein 2 dimeric （2） Consistent with protein count
O75533 2f9j Splicing factor 3B subunit 1 Author chain P Reference sequence 381–415 2 Protein heterocomplex Heteromer Protein 2 dimeric （2） Consistent with protein count
O75533 2f9j Splicing factor 3B subunit 1 Author chain Q Reference sequence 381–415 2 Protein heterocomplex Heteromer Protein 2 dimeric （2） Consistent with protein count
O75533 2fho spliceosomal protein SF3b155 Author chain A Reference sequence 379–424 1 Protein heterocomplex Heteromer Protein 2 dimeric （2） Consistent with protein count
O75533 2peh Splicing factor 3B subunit 1 Author chain C Reference sequence 333–342 1 Protein heterocomplex Heteromer Protein 2 dimeric （2） Consistent with protein count
O75533 2peh Splicing factor 3B subunit 1 Author chain D Reference sequence 333–342 1 Protein heterocomplex Heteromer Protein 2 dimeric （2） Consistent with protein count
O75533 2peh Splicing factor 3B subunit 1 Author chain C Reference sequence 333–342 2 Protein heterocomplex Heteromer Protein 2 dimeric （2） Consistent with protein count
O75533 2peh Splicing factor 3B subunit 1 Author chain D Reference sequence 333–342 2 Protein heterocomplex Heteromer Protein 2 dimeric （2） Consistent with protein count
O75533 2peh Splicing factor 3B subunit 1 Author chain C Reference sequence 333–342 3 Protein heterocomplex Heteromer Protein 4 tetrameric （4） Consistent with protein count
O75533 2peh Splicing factor 3B subunit 1 Author chain D Reference sequence 333–342 3 Protein heterocomplex Heteromer Protein 4 tetrameric （4） Consistent with protein count
O75533 3lqv Splicing factor 3B subunit 1 Author chain P Reference sequence 377–415 1 Protein heterocomplex Heteromer Protein 2 dimeric （2） Consistent with protein count
O75533 3lqv Splicing factor 3B subunit 1 Author chain Q Reference sequence 377–415 1 Protein heterocomplex Heteromer Protein 2 dimeric （2） Consistent with protein count
O75533 3lqv Splicing factor 3B subunit 1 Author chain P Reference sequence 377–415 2 Protein heterocomplex Heteromer Protein 2 dimeric （2） Consistent with protein count
O75533 3lqv Splicing factor 3B subunit 1 Author chain Q Reference sequence 377–415 2 Protein heterocomplex Heteromer Protein 2 dimeric （2） Consistent with protein count
O75533 4oz1 Splicing factor 3B subunit 1 Author chain C Reference sequence 333–342 1 Protein heterocomplex Heteromer Protein 3 trimeric （3） Consistent with protein count
O75533 5ife Splicing factor 3B subunit 1 Author chain C Reference sequence 1–1304 1 Protein heterocomplex Heteromer Protein 4 tetrameric （4） Consistent with protein count
O75533 5o9z Splicing factor 3B subunit 1 Author chain v Reference sequence 1–1304 1 Protein–RNA Heteromer Protein 52 RNA 5 57-meric （57） Consistent with all polymers
O75533 5z56 Splicing factor 3B subunit 1 Author chain 1 Reference sequence 1–1304 1 Protein–RNA Heteromer Protein 55 RNA 4 59-meric （59） Consistent with all polymers
O75533 5z57 Splicing factor 3B subunit 1 Author chain 1 Reference sequence 1–1304 1 Protein–RNA Heteromer Protein 53 RNA 4 57-meric （57） Consistent with all polymers
O75533 5z58 Splicing factor 3B subunit 1 Author chain 1 Reference sequence 1–1304 1 Protein–RNA Heteromer Protein 42 RNA 4 46-meric （46） Consistent with all polymers
O75533 5zya Splicing factor 3B subunit 1 Author chain C Reference sequence 1–1304 1 Protein heterocomplex Heteromer Protein 4 tetrameric （4） Consistent with protein count
O75533 6ah0 Splicing factor 3B subunit 1 Author chain 1 Reference sequence 1–1304 1 Protein–RNA Heteromer Protein 52 RNA 5 57-meric （57） Consistent with all polymers
O75533 6ahd Splicing factor 3B subunit 1 Author chain 1 Reference sequence 1–1304 1 Protein–RNA Heteromer Protein 58 RNA 5 63-meric （63） Consistent with all polymers
O75533 6en4 Splicing factor 3B subunit 1 Author chain C Reference sequence 453–1304 1 Protein heterocomplex Heteromer Protein 4 tetrameric （4） Consistent with protein count
O75533 6ff4 Splicing factor 3B subunit 1 Author chain u Reference sequence 1–1304 1 Protein–RNA Heteromer Protein 24 RNA 4 28-meric （28） Consistent with all polymers
O75533 6ff7 Splicing factor 3B subunit 1 Author chain u Reference sequence 1–1304 1 Protein–RNA Heteromer Protein 57 RNA 4 61-meric （61） Consistent with all polymers
O75533 6qx9 Splicing factor 3B subunit 1 Author chain B1 Reference sequence 1–1304 1 Protein–RNA Heteromer Protein 65 RNA 6 71-meric （71） Consistent with all polymers
O75533 6y50 Splicing factor 3B subunit 1 Author chain u Reference sequence 1–1304 1 Protein–RNA Heteromer Protein 8 RNA 1 nonameric （9） Consistent with all polymers
O75533 6y53 Splicing factor 3B subunit 1 Author chain u Reference sequence 1–1304 1 Protein–RNA Heteromer Protein 18 RNA 1 nonadecameric （19） Consistent with all polymers
O75533 6y5q Splicing factor 3B subunit 1 Author chain u Reference sequence 1–1304 1 Protein–RNA Heteromer Protein 21 RNA 1 22-meric （22） Consistent with all polymers
O75533 7abg Splicing factor 3B subunit 1 Author chain u Reference sequence 1–1304 1 Protein–RNA Heteromer Protein 54 RNA 4 58-meric （58） Consistent with all polymers
O75533 7abh Splicing factor 3B subunit 1 Author chain u Reference sequence 1–1304 1 Protein–RNA Heteromer Protein 14 RNA 2 hexadecameric （16） Consistent with all polymers
O75533 7abi Splicing factor 3B subunit 1 Author chain u Reference sequence 1–1304 1 Protein–RNA Heteromer Protein 52 RNA 4 56-meric （56） Consistent with all polymers
O75533 7b0i Splicing factor 3B subunit 1 Author chain C Reference sequence 453–1304 1 Protein heterocomplex Heteromer Protein 4 tetrameric （4） Consistent with protein count
O75533 7b91 Splicing factor 3B subunit 1 Author chain C Reference sequence 453–1304 1 Protein heterocomplex Heteromer Protein 4 tetrameric （4） Consistent with protein count
O75533 7b92 Splicing factor 3B subunit 1 Author chain C Reference sequence 453–1304 1 Protein heterocomplex Heteromer Protein 4 tetrameric （4） Consistent with protein count
O75533 7b9c Splicing factor 3B subunit 1 Author chain C Reference sequence 453–1304 1 Insufficient information Heteromer Protein 4 tetrameric （4） Consistent with protein count
O75533 7dvq Splicing factor 3B subunit 1 Author chain 1 Reference sequence 1–1304 1 Protein–RNA Heteromer Protein 45 RNA 4 49-meric （49） Consistent with all polymers
O75533 7evn Splicing factor 3B subunit 1 Author chain C Reference sequence 452–1304 1 Protein heterocomplex Heteromer Protein 5 pentameric （5） Consistent with protein count
O75533 7evo Splicing factor 3B subunit 1 Author chain 1 Reference sequence 1–1304 1 Protein–RNA Heteromer Protein 20 RNA 1 21-meric （21） Consistent with all polymers
O75533 7omf Splicing factor 3B subunit 1 Author chain C Reference sequence 453–1304 1 Protein heterocomplex Heteromer Protein 4 tetrameric （4） Consistent with protein count
O75533 7onb Splicing factor 3B subunit 1 Author chain C Reference sequence 1–1304 1 Protein–RNA Heteromer Protein 9 RNA 2 undecameric （11） Consistent with all polymers
O75533 7opi Splicing factor 3B subunit 1 Author chain C Reference sequence 453–1304 1 Insufficient information Heteromer Protein 4 tetrameric （4） Consistent with protein count
O75533 7q3l Splicing factor 3B subunit 1 Author chain A Reference sequence 1–1304 1 Protein–RNA Heteromer Protein 8 RNA 1 nonameric （9） Consistent with all polymers
O75533 7q4o Splicing factor 3B subunit 1 Author chain A Reference sequence 1–1304 1 Protein–RNA Heteromer Protein 8 RNA 2 decameric （10） Consistent with all polymers
O75533 7q4p Splicing factor 3B subunit 1 Author chain A Reference sequence 1–1304 1 Protein–RNA Heteromer Protein 7 RNA 1 octameric （8） Consistent with all polymers
O75533 7qtt Splicing factor 3B subunit 1 Author chain C Reference sequence 1–1304 1 Protein–RNA Heteromer Protein 33 RNA 4 37-meric （37） Consistent with all polymers
O75533 7sn6 Splicing factor 3B subunit 1 Author chain C Reference sequence 333–351 1 Protein heterocomplex Heteromer Protein 2 dimeric （2） Consistent with protein count
O75533 7sn6 Splicing factor 3B subunit 1 Author chain D Reference sequence 333–351 1 Protein heterocomplex Heteromer Protein 2 dimeric （2） Consistent with protein count
O75533 7sn6 Splicing factor 3B subunit 1 Author chain C Reference sequence 333–351 2 Protein heterocomplex Heteromer Protein 2 dimeric （2） Consistent with protein count
O75533 7sn6 Splicing factor 3B subunit 1 Author chain D Reference sequence 333–351 2 Protein heterocomplex Heteromer Protein 2 dimeric （2） Consistent with protein count
O75533 7vpx Splicing factor 3B subunit 1 Author chain 1 Reference sequence 1–1304 1 Protein–RNA Heteromer Protein 31 RNA 4 35-meric （35） Consistent with all polymers
O75533 8ch6 Splicing factor 3B subunit 1 Author chain C Reference sequence 1–1304 1 Protein–RNA Heteromer Protein 55 RNA 4 59-meric （59） Consistent with all polymers
O75533 8h6e Splicing factor 3B subunit 1 Author chain 2G Reference sequence 1–1304 1 Protein–RNA Heteromer Protein 56 RNA 5 61-meric （61） Consistent with all polymers
O75533 8h6j Splicing factor 3B subunit 1 Author chain 2G Reference sequence 1–1304 1 Protein–RNA Heteromer Protein 56 RNA 5 61-meric （61） Consistent with all polymers
O75533 8h6k Splicing factor 3B subunit 1 Author chain 2G Reference sequence 1–1304 1 Protein–RNA Heteromer Protein 58 RNA 5 63-meric （63） Consistent with all polymers
O75533 8h6l Splicing factor 3B subunit 1 Author chain 2G Reference sequence 1–1304 1 Protein–RNA Heteromer Protein 54 RNA 5 59-meric （59） Consistent with all polymers
O75533 8hk1 Splicing factor 3B subunit 1 Author chain 1 Reference sequence 1–1304 1 Protein–RNA Heteromer Protein 20 RNA 1 21-meric （21） Consistent with all polymers
O75533 8i0p Splicing factor 3B subunit 1 Author chain 1 Reference sequence 1–1304 1 Protein–RNA Heteromer Protein 47 RNA 4 51-meric （51） Consistent with all polymers
O75533 8i0r Splicing factor 3B subunit 1 Author chain 1 Reference sequence 1–1304 1 Protein–RNA Heteromer Protein 51 RNA 4 55-meric （55） Consistent with all polymers
O75533 8i0s Splicing factor 3B subunit 1 Author chain 1 Reference sequence 1–1304 1 Protein–RNA Heteromer Protein 46 RNA 4 50-meric （50） Consistent with all polymers
O75533 8i0t Splicing factor 3B subunit 1 Author chain 1 Reference sequence 1–1304 1 Protein–RNA Heteromer Protein 52 RNA 4 56-meric （56） Consistent with all polymers
O75533 8i0u Splicing factor 3B subunit 1 Author chain 1 Reference sequence 1–1304 1 Protein–RNA Heteromer Protein 49 RNA 4 53-meric （53） Consistent with all polymers
O75533 8i0v Splicing factor 3B subunit 1 Author chain 1 Reference sequence 1–1304 1 Protein–RNA Heteromer Protein 47 RNA 4 51-meric （51） Consistent with all polymers
O75533 8qo9 Splicing factor 3B subunit 1 Author chain B1 Reference sequence 1–1304 1 Protein–RNA Heteromer Protein 66 RNA 5 71-meric （71） Consistent with all polymers
O75533 8qxd Splicing factor 3B subunit 1 Author chain B1 Reference sequence 1–1304 1 Protein–RNA Heteromer Protein 56 RNA 5 61-meric （61） Consistent with all polymers
O75533 8qzs Splicing factor 3B subunit 1 Author chain B1 Reference sequence 1–1304 1 Protein–RNA Heteromer Protein 61 RNA 7 68-meric （68） Consistent with all polymers
O75533 8r08 Splicing factor 3B subunit 1 Author chain B1 Reference sequence 1–1304 1 Protein–RNA Heteromer Protein 64 RNA 7 71-meric （71） Consistent with all polymers
O75533 8r09 Splicing factor 3B subunit 1 Author chain B1 Reference sequence 1–1304 1 Protein–RNA Heteromer Protein 54 RNA 6 60-meric （60） Consistent with all polymers
O75533 8r0a Splicing factor 3B subunit 1 Author chain B1 Reference sequence 1–1304 1 Protein–RNA Heteromer Protein 56 RNA 6 62-meric （62） Consistent with all polymers
O75533 8r0b Splicing factor 3B subunit 1 Author chain B1 Reference sequence 1–1304 1 Protein–RNA Heteromer Protein 54 RNA 6 60-meric （60） Consistent with all polymers
O75533 8rm5 Splicing factor 3B subunit 1 Author chain B1 Reference sequence 1–1304 1 Protein–RNA Heteromer Protein 54 RNA 6 60-meric （60） Consistent with all polymers
O75533 8y7e Splicing factor 3B subunit 1 Author chain 1 Reference sequence 1–1304 1 Protein–RNA Heteromer Protein 15 RNA 2 heptadecameric （17） Consistent with all polymers
O75533 9k1o Splicing factor 3B subunit 1 Author chain C Reference sequence 453–1304 1 Protein–RNA Heteromer Protein 4 RNA 2 hexameric （6） Consistent with all polymers
O75533 9k1q Splicing factor 3B subunit 1 Author chain C Reference sequence 453–1304 1 Protein–RNA Heteromer Protein 4 RNA 2 hexameric （6） Consistent with all polymers
O75533 9k1r Splicing factor 3B subunit 1 Author chain C Reference sequence 453–1304 1 Protein–RNA Heteromer Protein 4 RNA 2 hexameric （6） Consistent with all polymers
O75533 9k1w Splicing factor 3B subunit 1 Author chain C Reference sequence 453–1304 1 Protein–RNA Heteromer Protein 4 RNA 2 hexameric （6） Consistent with all polymers
O75533 9k1y Splicing factor 3B subunit 1 Author chain C Reference sequence 453–1304 1 Protein–RNA Heteromer Protein 4 RNA 2 hexameric （6） Consistent with all polymers
O75533 9r8v Splicing factor 3B subunit 1 Author chain B1 Reference sequence 1–1304 1 Protein–RNA Heteromer Protein 59 RNA 4 63-meric （63） Consistent with all polymers
O75533 9ze0 Splicing factor 3B subunit 1 Author chain B1 Reference sequence 1–1304 1 Protein–RNA Heteromer Protein 13 RNA 2 pentadecameric （15） Consistent with all polymers
O75533 9ze2 Splicing factor 3B subunit 1 Author chain B1 Reference sequence 1–1304 1 Protein–RNA Heteromer Protein 10 RNA 2 dodecameric （12） Consistent with all polymers
O75533 9ze3 Splicing factor 3B subunit 1 Author chain B1 Reference sequence 1–1304 1 Protein–RNA Heteromer Protein 13 RNA 2 pentadecameric （15） Consistent with all polymers
O75533 9zec Splicing factor 3B subunit 1 Author chain B1 Reference sequence 1–1304 1 Protein–RNA Heteromer Protein 11 RNA 2 tridecameric （13） Consistent with all polymers
O75533 9zed Splicing factor 3B subunit 1 Author chain B1 Reference sequence 1–1304 1 Protein–RNA Heteromer Protein 11 RNA 2 tridecameric （13） 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.