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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：P52756 New Search
11PDB entries
12Biological assembly
12chain/assembly records
Main Difference Dimensions in This Set
Different construct Different mutation/modification Different assembly state Different ligand/ion Different experimental method Different experimental conditions Different structure-quality metrics

Difference tags compare only the current result set; every original PDB and assembly record remains separate.

Related-Structure Differences

Each row represents one biological assembly in one PDB entry; multiple monomers of the same protein are listed separately.

PDB Entry Assembly / Oligomeric State Construct Mutations and Modifications Ligands, Ions and Non-polymers Experimental Method Experimental Conditions Structure Quality
2LK0 Solution structure and binding studies of the RanBP2-type zinc finger of RBM5 Deposited 2011-09-30 Assembly 1 Protein monomer Monomer；Protein × 1 PDB declaration: monomeric（1） Consistent with protein count
Chain A 181–210（30 aa） Fragment：RanBP2-type zinc finger residues 181-210
Non-standard monomer：Yes (specific site not provided by mmCIF) ZN ZINC ION × 1 SOLUTION NMR
NMR measurement conditions pH 5.7；293 K；Ionic strength (raw mmCIF value) 0；Pressure ambient
NMR sample composition 100 uM RBM5-ZF1, 150 uM ZINC ION, 90% H2O/10% D2O | 90% H2O/10% D2O
Resolution not provided
2LK1 Solution structure and binding studies of the RanBP2-type zinc finger of RBM5 Deposited 2011-09-30 Assembly 1 Protein monomer Monomer；Protein × 1 PDB declaration: monomeric（1） Consistent with protein count
Chain A 181–210（30 aa） Fragment：RanBP2-type zinc finger residues 181-210
Non-standard monomer：Yes (specific site not provided by mmCIF) AQN 9,10-dioxo-9,10-dihydroanthracene-2-sulfonic acid × 1 ZN ZINC ION × 1 SOLUTION NMR
NMR measurement conditions pH 5.7；293 K；Ionic strength (raw mmCIF value) 0；Pressure ambient
NMR sample composition 100 uM RBM5-ZF1, 150 uM ZINC ION, 500 uM AQN, 90% H2O/10% D2O | 90% H2O/10% D2O
Resolution not provided
2LKZ Solution structure of the second RRM domain of RBM5 Deposited 2011-10-23 Assembly 1 Protein monomer Monomer；Protein × 1 PDB declaration: monomeric（1） Consistent with protein count
Chain A 231–316（86 aa） Fragment：RRM 2 domain, UNP residues 231-316
Not recorded No recorded non-water small molecule SOLUTION NMR
NMR measurement conditions pH 6.4；298 K；Pressure ambient
NMR sample composition 40 mM sodium phosphate-1, 50 mM sodium chloride-2, 2 mM EDTA-3, 1 mM sodium azide-4, 90% H2O/10% D2O | 90% H2O/10% D2O
NMR sample composition 40 mM sodium phosphate-5, 50 mM sodium chloride-6, 2 mM EDTA-7, 1 mM sodium azide-8, 100% D2O | 100% D2O
Resolution not provided
5MF9 Solution structure of the RBM5 OCRE domain in complex with polyproline SmN peptide. Deposited 2016-11-17 Assembly 1 Protein heterocomplex Heteromer；Protein × 2 PDB declaration: dimeric（2） Consistent with protein count
Chain A 451–511（61 aa） Fragment：UNP residues 451-511
Not recorded No recorded non-water small molecule SOLUTION NMR
NMR measurement conditions pH 6.5；298 K；Ionic strength (raw mmCIF value) 50；Pressure 1
NMR sample composition 2 mM [U-99% 15N] 15N, 2 mM [U-99% 13C; U-99% 15N] 13C_15N, 2 mM [U-13C; U-15N] unlabel, 90% H2O/10% D2O | 90% H2O/10% D2O
Resolution not provided
5MFY RBM5 OCRE domain Deposited 2016-11-19 Assembly 1 Protein monomer Monomer；Protein × 1 PDB declaration: monomeric（1） Consistent with protein count
Chain A 451–511（61 aa） Fragment：UNP residues 451-511
Not recorded No recorded non-water small molecule SOLUTION NMR
NMR measurement conditions pH 6.5；298 K；Ionic strength (raw mmCIF value) 70；Pressure 1
NMR measurement conditions pH 6.5；298 K；Ionic strength (raw mmCIF value) 70；Pressure 1
NMR sample composition 1 mM [U-100% 13C; U-100% 15N] ocre5, 20 mM sodium phosphate, 50 mM sodium chloride, 10 % D2O, 90 % H2O, 90% H2O/10% D2O | 90% H2O/10% D2O
Resolution not provided
7PCV Crystal structure of RBM5 RRM1-zinc finger Deposited 2021-08-04 Assembly 1 Protein monomer Monomer；Protein × 1 PDB declaration: monomeric（1） Consistent with protein count
Chain A 94–210（117 aa）
Not recorded ZN ZINC ION × 1 X-RAY DIFFRACTION
X-ray crystallization conditions VAPOR DIFFUSION, HANGING DROP；277 K；0.1M BICINE pH 8.5, 12% PEG 6000, 10% 1M cesium chloride
Resolution 2.42 Å R-free 0.313
7PCV Crystal structure of RBM5 RRM1-zinc finger Deposited 2021-08-04 Assembly 2 Protein monomer Monomer；Protein × 1 PDB declaration: monomeric（1） Consistent with protein count
Chain B 94–210（117 aa）
Not recorded ZN ZINC ION × 1 X-RAY DIFFRACTION
X-ray crystallization conditions VAPOR DIFFUSION, HANGING DROP；277 K；0.1M BICINE pH 8.5, 12% PEG 6000, 10% 1M cesium chloride
Resolution 2.42 Å R-free 0.313
9ZE0 Cryo-EM structure of the endogenous U2/branchpoint spliceosomal complex (Proximal DHX15 state) Deposited 2025-11-26 Assembly 1 Protein–RNA Heteromer；Protein × 13 PDB declaration: pentadecameric（15） Consistent with all polymers
Chain A 1–815（815 aa）
Not recorded ZN ZINC ION × 3 ELECTRON MICROSCOPY
cryo-EM buffer pH 7.9；20 mM HEPES-KOH pH 7.9, 150 mM NaCl, 1.5 mM MgCl2, 10 mM DTT, 4.5% glycerol
cryo-EM vitrification conditions Cryogen ETHANE
Resolution 3.43 Å
9ZE2 Cryo-EM structure of the endogenous U2/branchpoint spliceosomal complex (core) Deposited 2025-11-27 Assembly 1 Protein–RNA Heteromer；Protein × 10 PDB declaration: dodecameric（12） Consistent with all polymers
Chain A 1–815（815 aa）
Not recorded ZN ZINC ION × 3 ELECTRON MICROSCOPY
cryo-EM buffer pH 7.9；20 mM HEPES-KOH pH 7.9, 150 mM NaCl, 1.5 mM MgCl2, 10 mM DTT, 4.5% glycerol
cryo-EM vitrification conditions Cryogen ETHANE
Resolution 3.26 Å
9ZE3 Cryo-EM structure of the endogenous U2/branchpoint spliceosomal complex (Distal DHX15 state) Deposited 2025-11-27 Assembly 1 Protein–RNA Heteromer；Protein × 13 PDB declaration: pentadecameric（15） Consistent with all polymers
Chain A 1–815（815 aa）
Not recorded ZN ZINC ION × 3 ELECTRON MICROSCOPY
cryo-EM buffer pH 7.9；20 mM HEPES-KOH pH 7.9, 150 mM NaCl, 1.5 mM MgCl2, 10 mM DTT, 4.5% glycerol
cryo-EM vitrification conditions Cryogen ETHANE
Resolution 3.93 Å
9ZEC Cryo-EM structure of the endogenous U2/branchpoint spliceosomal complex (SF3A state 1) Deposited 2025-11-29 Assembly 1 Protein–RNA Heteromer；Protein × 11 PDB declaration: tridecameric（13） Consistent with all polymers
Chain A 1–815（815 aa）
Not recorded ZN ZINC ION × 3 ELECTRON MICROSCOPY
cryo-EM buffer pH 7.9；20 mM HEPES-KOH pH 7.9, 150 mM NaCl, 1.5 mM MgCl2, 10 mM DTT, 4.5% glycerol
cryo-EM vitrification conditions Cryogen ETHANE
Resolution 3.61 Å
9ZED Cryo-EM structure of the endogenous U2/branchpoint spliceosomal complex (SF3A state 2) Deposited 2025-11-29 Assembly 1 Protein–RNA Heteromer；Protein × 11 PDB declaration: tridecameric（13） Consistent with all polymers
Chain A 1–815（815 aa）
Not recorded ZN ZINC ION × 3 ELECTRON MICROSCOPY
cryo-EM buffer pH 7.9；20 mM HEPES-KOH pH 7.9, 150 mM NaCl, 1.5 mM MgCl2, 10 mM DTT, 4.5% glycerol
cryo-EM vitrification conditions Cryogen ETHANE
Resolution 3.94 Å

This page presents structural evidence recorded in PDB/mmCIF.“No recorded non-water small molecule” does not prove that the experimental sample was ligand-free; experimental conditions belong to the PDB experiment, while ligands and copy counts are shown for each biological assembly.