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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：P55957 New Search
14PDB entries
19Biological assembly
19chain/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
1ZY3 Structural model of complex of Bcl-w protein with Bid BH3-peptide Deposited 2005-06-09 Assembly 1 Protein heterocomplex Heteromer；Protein × 2 PDB declaration: dimeric（2） Consistent with protein count
Chain B 82–101（20 aa）
Mutation：R203K No recorded non-water small molecule SOLUTION NMR
NMR measurement conditions pH 7；303 K；Ionic strength (raw mmCIF value) 10 mM NaCl；Pressure 1
NMR sample composition 0.7 mM Bcl-w U-15N,13C, 0.7 mM Bid BH3-peptide, 20 mM phosphate buffer, 90% H2O, 10% D2O | 90% H2O/10% D2O
NMR sample composition 0.7 mM Bcl-w U-15N, 0.7 mM Bid BH3-peptide, 20 mM phosphate buffer, 90% H2O, 10% D2O | 90% H2O/10% D2O
NMR sample composition 0.7 mM Bid BH3-peptide U-15N, 0.7 mM Bcl-w, 20 mM phosphate buffer, 90% H2O, 10% D2O | 90% H2O/10% D2O
Resolution not provided
2BID HUMAN PRO-APOPTOTIC PROTEIN BID Deposited 1999-01-27 Assembly 1 Protein monomer Monomer；Protein × 1 PDB declaration: monomeric（1） Consistent with protein count
Chain A 1–195（195 aa）
Not recorded No recorded non-water small molecule SOLUTION NMR
NMR measurement conditions pH 6.5；298 K；Pressure 1
Resolution not provided
2KBW Solution Structure of human Mcl-1 complexed with human Bid_BH3 peptide Deposited 2008-12-09 Assembly 1 Protein heterocomplex Heteromer；Protein × 2 PDB declaration: dimeric（2） Consistent with protein count
Chain B 76–106（31 aa） Fragment：BH3 motif, residues 76-106
Not recorded No recorded non-water small molecule SOLUTION NMR
NMR measurement conditions pH 6.5；303 K；Ionic strength (raw mmCIF value) 20；Pressure ambient
NMR sample composition 0.5 mM [U-95% 15N] Mcl-1-1, 0.5 mM Bid_BH3-2, 20 mM HEPES-3, 1 mM DTT-4, 90% H2O/10% D2O | 90% H2O/10% D2O
NMR sample composition 0.5 mM Mcl-1-5, 0.5 mM [U-95% 15N] Bid_BH3-6, 20 mM HEPES-7, 1 mM DTT-8, 90% H2O/10% D2O | 90% H2O/10% D2O
NMR sample composition 0.5 mM [U-95% 13C; U-95% 15N] Mcl-1-9, 0.5 mM Bid_BH3-10, 20 mM HEPES-11, 1 mM DTT-12, 90% H2O/10% D2O | 90% H2O/10% D2O
NMR sample composition 0.5 mM [U-95% 13C; U-95% 15N] Mcl-1-13, 0.5 mM Bid_BH3-14, 20 mM HEPES-15, 1 mM DTT-16, 100 % [U-100% 2H] D2O-17, 100% D2O | 100% D2O
NMR sample composition 0.5 mM Mcl-1-18, 0.5 mM [U-95% 13C; U-95% 15N] Bid_BH3-19, 20 mM HEPES-20, 1 mM DTT-21, 90% H2O/10% D2O | 90% H2O/10% D2O
NMR sample composition 0.5 mM Mcl-1-22, 0.5 mM [U-95% 13C; U-95% 15N] Bid_BH3-23, 20 mM HEPES-24, 1 mM DTT-25, 100 % [U-100% 2H] D2O-26, 100% D2O | 100% D2O
NMR sample composition 0.4 mM [U-95% 15N] Mcl-1-27, 0.4 mM Bid_BH3-28, 20 mM HEPES-29, 1 mM DTT-30, 6 mg/mL Pf1 phage-31, 90% H2O/10% D2O | 90% H2O/10% D2O
NMR sample composition 0.4 mM Mcl-1-32, 0.4 mM [U-95% 15N] Bid_BH3-33, 20 mM HEPES-34, 1 mM DTT-35, 8 mg/mL Pf1 phage-36, 90% H2O/10% D2O | 90% H2O/10% D2O
Resolution not provided
2M5I NMR structures of human apoptotic protein tBid in LPPG micelle Deposited 2013-02-25 Assembly 1 Protein monomer Monomer；Protein × 1 PDB declaration: monomeric（1） Consistent with protein count
Chain A 61–195（135 aa）
Not recorded No recorded non-water small molecule SOLUTION NMR
NMR measurement conditions pH 6.6；318 K；Ionic strength (raw mmCIF value) 0.1；Pressure ambient
NMR sample composition 0.5 mM [U-15N] tBid in LPPG micelle, 0.8 mM [U-13C; U-15N] tBid in LPPG micelle, 0.8 mM [U-100% 15N; U-80% 2H] tBid in LPPG micelle, 90% H2O/10% D2O | 90% H2O/10% D2O
NMR sample composition 1.0 mM [U-100% 13C; U-100% 15N] tBid in LPPG micelle, 100% D2O | 100% D2O
Resolution not provided
4BD2 Bax domain swapped dimer in complex with BidBH3 Deposited 2012-10-04 Assembly 1 Protein heterocomplex Heteromer；Protein × 4 PDB declaration: tetrameric（4） Consistent with protein count
Chain C 76–109（34 aa） Fragment：RESIDUES 76-109
Not recorded No recorded non-water small molecule X-RAY DIFFRACTION
X-ray crystallization conditions 1.4 M SODIUM CITRATE, 0.1 M SODIUM CACODYLATE PH 5.75
Resolution 2.21 Å R-free 0.227
4QVE Crystal structure of Bcl-xL in complex with BID BH3 domain Deposited 2014-07-14 Assembly 1 Protein heterocomplex Heteromer；Protein × 2 PDB declaration: dimeric（2） Consistent with protein count
Chain B 76–109（34 aa） Fragment：BID BH3, UNP RESIDUES 76-109
Not recorded IMD IMIDAZOLE × 1 X-RAY DIFFRACTION
X-ray crystallization conditions VAPOR DIFFUSION, HANGING DROP；pH 10.5；291 K；2.0M Ammonium Sulphate, 0.2M Lithium Sulphate, 0.1M CAPS pH 10.5, VAPOR DIFFUSION, HANGING DROP, temperature 291K
Resolution 2.05 Å R-free 0.224
4ZEQ Crystal Structure of human BFL-1 in complex with tBid BH3 peptide, Northeast Structural Genomics Consortium Target HX9247 Deposited 2015-04-20 Assembly 1 Protein heterocomplex Heteromer；Protein × 2 PDB declaration: dimeric（2） Consistent with protein count
Chain B 125–150（26 aa） Fragment：UNP Residues 125-150
Not recorded No recorded non-water small molecule X-RAY DIFFRACTION
X-ray crystallization conditions VAPOR DIFFUSION, HANGING DROP；pH 6.4；295 K；Sodium Malonate
Resolution 1.80 Å R-free 0.239
4ZIG Crystal Structure of core/latch dimer of Bax in complex with BidBH3mini Deposited 2015-04-28 Assembly 1 Protein heterocomplex Heteromer；Protein × 4 PDB declaration: tetrameric（4） Consistent with protein count
Chain B 125–144（20 aa） Fragment：BH3 motif
Non-standard monomer：Yes (specific site not provided by mmCIF) No recorded non-water small molecule X-RAY DIFFRACTION
X-ray crystallization conditions VAPOR DIFFUSION, SITTING DROP；pH 6.5；277 K；Tri-sodium citrate, Sodium cacodylate
Resolution 2.20 Å R-free 0.229
4ZII Crystal Structure of core/latch dimer of BaxI66A in complex with BidBH3 Deposited 2015-04-28 Assembly 1 Protein heterocomplex Heteromer；Protein × 4 PDB declaration: tetrameric（4） Consistent with protein count
Chain C 122–155（34 aa） Fragment：BH3 motif
Not recorded EDO 1,2-ETHANEDIOL × 10 X-RAY DIFFRACTION
X-ray crystallization conditions VAPOR DIFFUSION, SITTING DROP；pH 6.5；277 K；Tri-sodium citrate, sodium cacodylate
Resolution 2.19 Å R-free 0.223
5AJJ Crystal structure of variola virus virulence factor F1L in complex with human Bid BH3 domain Deposited 2015-02-25 Assembly 1 Protein heterocomplex Heteromer；Protein × 4 PDB declaration: tetrameric（4） Consistent with protein count
Chain B 79–112（34 aa） Fragment：UNP RESIDUES 79-112
Not recorded GOL GLYCEROL × 2 ACT ACETATE ION × 2 X-RAY DIFFRACTION
X-ray crystallization conditions pH 6.5；1.8 M SODIUM ACETATE AND 0.1 M HEPES PH 6.5
Resolution 1.75 Å R-free 0.208
7M5A Crystal Structure of human BAK in complex with W3W5_BID Deposited 2021-03-23 Assembly 1 Protein heterocomplex Heteromer；Protein × 2 PDB declaration: dimeric（2） Consistent with protein count
Chain B 80–100（21 aa）
Not recorded No recorded non-water small molecule X-RAY DIFFRACTION
X-ray crystallization conditions EVAPORATION；293 K；0.2 M Potassium Sodium tartrate, 20% PEG 3350
Resolution 1.50 Å R-free 0.219
7M5B Crystal Structure of human BAK in complex with M3W5_BID Deposited 2021-03-23 Assembly 1 Protein heterocomplex Heteromer；Protein × 2 PDB declaration: dimeric（2） Consistent with protein count
Chain B 80–100（21 aa）
Not recorded CU COPPER (II) ION × 1 X-RAY DIFFRACTION
X-ray crystallization conditions EVAPORATION；pH 6.5；293 K；15% PEG 4000 0.2 M NaCl 0.1 MES 6.5
Resolution 1.85 Å R-free 0.205
7M5B Crystal Structure of human BAK in complex with M3W5_BID Deposited 2021-03-23 Assembly 2 Protein heterocomplex Heteromer；Protein × 2 PDB declaration: dimeric（2） Consistent with protein count
Chain D 80–100（21 aa）
Not recorded No recorded non-water small molecule X-RAY DIFFRACTION
X-ray crystallization conditions EVAPORATION；pH 6.5；293 K；15% PEG 4000 0.2 M NaCl 0.1 MES 6.5
Resolution 1.85 Å R-free 0.205
7P33 Epstein-Barr virus encoded Bcl-2 homolog BHRF-1 in complex with Bid BH3 peptide Deposited 2021-07-07 Assembly 1 Protein heterocomplex Heteromer；Protein × 2 PDB declaration: dimeric（2） Consistent with protein count
Chain G 76–109（34 aa）
Not recorded No recorded non-water small molecule X-RAY DIFFRACTION
X-ray crystallization conditions VAPOR DIFFUSION, SITTING DROP；293 K；0.4M Ammonium phosphate mono basic
Resolution 2.79 Å R-free 0.274
7P33 Epstein-Barr virus encoded Bcl-2 homolog BHRF-1 in complex with Bid BH3 peptide Deposited 2021-07-07 Assembly 2 Protein heterocomplex Heteromer；Protein × 2 PDB declaration: dimeric（2） Consistent with protein count
Chain F 76–109（34 aa）
Not recorded No recorded non-water small molecule X-RAY DIFFRACTION
X-ray crystallization conditions VAPOR DIFFUSION, SITTING DROP；293 K；0.4M Ammonium phosphate mono basic
Resolution 2.79 Å R-free 0.274
7P33 Epstein-Barr virus encoded Bcl-2 homolog BHRF-1 in complex with Bid BH3 peptide Deposited 2021-07-07 Assembly 3 Protein heterocomplex Heteromer；Protein × 2 PDB declaration: dimeric（2） Consistent with protein count
Chain H 76–109（34 aa）
Not recorded EDO 1,2-ETHANEDIOL × 1 X-RAY DIFFRACTION
X-ray crystallization conditions VAPOR DIFFUSION, SITTING DROP；293 K；0.4M Ammonium phosphate mono basic
Resolution 2.79 Å R-free 0.274
7P33 Epstein-Barr virus encoded Bcl-2 homolog BHRF-1 in complex with Bid BH3 peptide Deposited 2021-07-07 Assembly 4 Protein heterocomplex Heteromer；Protein × 2 PDB declaration: dimeric（2） Consistent with protein count
Chain I 76–109（34 aa）
Not recorded PO4 PHOSPHATE ION × 1 X-RAY DIFFRACTION
X-ray crystallization conditions VAPOR DIFFUSION, SITTING DROP；293 K；0.4M Ammonium phosphate mono basic
Resolution 2.79 Å R-free 0.274
7P33 Epstein-Barr virus encoded Bcl-2 homolog BHRF-1 in complex with Bid BH3 peptide Deposited 2021-07-07 Assembly 5 Protein heterocomplex Heteromer；Protein × 2 PDB declaration: dimeric（2） Consistent with protein count
Chain J 76–109（34 aa）
Not recorded No recorded non-water small molecule X-RAY DIFFRACTION
X-ray crystallization conditions VAPOR DIFFUSION, SITTING DROP；293 K；0.4M Ammonium phosphate mono basic
Resolution 2.79 Å R-free 0.274
7QTW Kaposi sarcoma associated herpes virus(KSHV) encoded apoptosis inhibitor, KsBcl-2 in complex with Bid BH3 Deposited 2022-01-17 Assembly 1 Protein heterocomplex Heteromer；Protein × 2 PDB declaration: dimeric（2） Consistent with protein count
Chain B 76–109（34 aa）
Not recorded EDO 1,2-ETHANEDIOL × 4 X-RAY DIFFRACTION
X-ray crystallization conditions VAPOR DIFFUSION, SITTING DROP；pH 4.6；293 K；0.1 M Sodium acetate pH 4.6 8% PEG 4000
Resolution 1.41 Å R-free 0.215

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.