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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：Q9BZB8 New Search
5PDB entries
5Biological assembly
5chain/assembly records
Main Difference Dimensions in This Set
Different construct Different mutation/modification Different assembly state Different ligand/ion Different experimental conditions

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
2M13 The ZZ domain of cytoplasmic polyadenylation element binding protein 1 (CPEB1) Deposited 2012-11-14 Assembly 1 Protein monomer Monomer；Protein × 1 PDB declaration: monomeric（1） Consistent with protein count
Chain A 504–566（63 aa） Fragment：ZZ domain of CPEB1
Not recorded ZN ZINC ION × 2 SOLUTION NMR
NMR measurement conditions pH 7；298 K；Ionic strength (raw mmCIF value) 200；Pressure ambient
NMR sample composition 0.3 mM [U-100% 13C; U-100% 15N] CPEB1-ZZ G-P-504, 20 mM TRIS, 200 mM sodium chloride, 1 mM DTT, 90% H2O/10% D2O | 90% H2O/10% D2O
NMR sample composition 0.3 mM [U-100% 13C; U-100% 15N] CPEB1-ZZ T498S, 50 mM potassium phosphate, 200 mM potassium chloride, 5 mM DTT, 90% H2O/10% D2O | 90% H2O/10% D2O
Resolution not provided
2MKE Solution structure of CPEB1 ZZ domain in the free state Deposited 2014-02-06 Assembly 1 Protein monomer Monomer；Protein × 1 PDB declaration: monomeric（1） Consistent with protein count
Chain A 426–486（61 aa） Fragment：UNP residues 426-486
Not recorded ZN ZINC ION × 2 SOLUTION NMR
NMR measurement conditions pH 6.5；303 K；Ionic strength (raw mmCIF value) 0.15；Pressure ambient
NMR sample composition 0.4-0.6 mM [U-100% 13C; U-100% 15N] CPEB1ZZ-1, 0.4-0.6 mM [U-100% 15N] CPEB1ZZ-2, 90% H2O/10% D2O | 90% H2O/10% D2O
Resolution not provided
2MKH Solution structure of tandem RRM domains of cytoplasmic polyadenylation element binding protein 1 (CPEB1) in free state Deposited 2014-02-07 Assembly 1 Protein monomer Monomer；Protein × 1 PDB declaration: monomeric（1） Consistent with protein count
Chain A 219–434（216 aa） Fragment：UNP residues 219-434
Not recorded No recorded non-water small molecule SOLUTION NMR
NMR measurement conditions pH 6.5；303 K；Ionic strength (raw mmCIF value) 0.15；Pressure ambient
NMR sample composition 100 mM sodium chloride-1, 1 mM DTT-2, 1 mM magnesium sulphate-3, 50 mM sodium phosphate-4, 90% H2O/10% D2O | 90% H2O/10% D2O
Resolution not provided
2MKK Structural model of tandem RRM domains of cytoplasmic polyadenylation element binding protein 1 (CPEB1) in complex with RNA Deposited 2014-02-07 Assembly 1 Protein–RNA Monomer；Protein × 1 PDB declaration: dimeric（2） Consistent with all polymers
Chain A 219–430（212 aa） Fragment：UNP residues 219-430
Not recorded No recorded non-water small molecule SOLUTION NMR
NMR measurement conditions pH 6.5；313 K；Ionic strength (raw mmCIF value) 0.15；Pressure ambient
NMR sample composition 0.4-0.6 mM [U-100% 13C; U-100% 15N; U-80% 2H] CPEB1RRM12-1, 0.4-0.6 mM 5'-UUUUA-3'-2, 100 mM sodium chloride-3, 50 mM sodium phosphate-4, 1 mM DTT-5, 1 mM magnesium sulfate-6, 90% H2O/10% D2O | 90% H2O/10% D2O
NMR sample composition 0.4-0.6 mM [U-100% 13C; U-100% 15N] CPEB1RRM12-7, 0.4-0.6 mM 5'-UUUUA-3'-8, 100 mM sodium chloride-9, 50 mM sodium phosphate-10, 1 mM DTT-11, 1 mM magnesium sulfate-12, 90% H2O/10% D2O | 90% H2O/10% D2O
NMR sample composition 0.4-0.6 mM [U-100% 13C; U-100% 15N] CPEB1RRM12-13, 0.4-0.6 mM 5'-UUUUA-3'-14, 100 mM sodium chloride-15, 50 mM sodium phosphate-16, 1 mM DTT-17, 1 mM magnesium sulfate-18, 100% D2O | 100% D2O
NMR sample composition 0.4-0.6 mM [U-100% 15N] CPEB1RRM12-19, 0.4-0.6 mM 5'-UUUUA-3'-20, 100 mM sodium chloride-21, 50 mM sodium phosphate-22, 1 mM DTT-23, 1 mM magnesium sulfate-24, 90% H2O/10% D2O | 90% H2O/10% D2O
NMR sample composition 0.4-0.6 mM [U-100% 15N] CPEB1RRM12-25, 0.4-0.6 mM 5'-UUUUA-3'-26, 100 mM sodium chloride-27, 50 mM sodium phosphate-28, 1 mM DTT-29, 1 mM magnesium sulfate-30, 100% D2O | 100% D2O
NMR sample composition 0.4-0.6 mM [U-100% 15N] CPEB1RRM12-31, 0.4-0.6 mM 5'-CUUUA-3'-32, 100 mM sodium chloride-33, 50 mM sodium phosphate-34, 1 mM DTT-35, 1 mM magnesium sulfate-36, 100% D2O | 100% D2O
NMR sample composition 0.4-0.6 mM [U-100% 13C; U-100% 15N] CPEB1RRM12-37, 0.4-0.6 mM 5'-CUUUA-3'-38, 100 mM sodium chloride-39, 50 mM sodium phosphate-40, 1 mM DTT-41, 1 mM magnesium sulfate-42, 100% D2O | 100% D2O
Resolution not provided
2N1O PIN1 WW domain in complex with a phosphorylated CPEB1 derived peptide Deposited 2015-04-13 Assembly 1 Protein heterocomplex Heteromer；Protein × 2 PDB declaration: dimeric（2） Consistent with protein count
Chain B 206–213（8 aa） Fragment：UNP residues 206-213
Non-standard monomer：Yes (specific site not provided by mmCIF) No recorded non-water small molecule SOLUTION NMR
NMR measurement conditions pH 7；285 K；Pressure ambient
NMR sample composition 1 mM Pin1, 3 mM CPEB1, 10 % [U-100% 2H] D2O, 20 mM [U-100% 2H] TRIS, 130 mM sodium chloride, 90% H2O/10% D2O | 90% H2O/10% D2O
Resolution not provided

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.