Current Protein Identity：P04631
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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 |
|---|---|---|---|---|---|---|---|
| 1B4C SOLUTION STRUCTURE OF RAT APO-S100B USING DIPOLAR COUPLINGS Deposited 1998-12-17 | Assembly 1 Protein homooligomer Homooligomer；Protein × 2 PDB declaration: dimeric（2） Consistent with protein count |
Chain A
1–91（91 aa）
Chain B
1–91（91 aa）
|
Not recorded | No recorded non-water small molecule | SOLUTION NMR |
NMR measurement conditions
pH 6.5；310 K；Ionic strength (raw mmCIF value) 25mM；Pressure 1
|
Resolution not provided |
| 1DT7 SOLUTION STRUCTURE OF THE C-TERMINAL NEGATIVE REGULATORY DOMAIN OF P53 IN A COMPLEX WITH CA2+-BOUND S100B(BB) Deposited 2000-01-11 | Assembly 1 Protein heterocomplex Heteromer；Protein × 4 PDB declaration: tetrameric（4） Consistent with protein count |
Chain A
1–92（92 aa）
Fragment：BETA CHAIN
Chain B
1–92（92 aa）
Fragment：BETA CHAIN
|
Not recorded | CA CALCIUM ION × 4 | SOLUTION NMR |
NMR measurement conditions
pH 6.5；310 K；Ionic strength (raw mmCIF value) 25 mM；Pressure ambient
NMR sample composition
3-6 mM S100 (subunit concentration), 0.1 mM EDTA, 0.34 mM NaN3, 5 mM DTT, 17 mM NaCl, 10 mM d11-tris-HCl, 7% D2O, 6-13 mM CaCl2, 4.8-10 mM p53 peptide | 7% D2O, 93% H2O
|
Resolution not provided |
| 1MWN Solution NMR structure of S100B bound to the high-affinity target peptide TRTK-12 Deposited 2002-09-30 | Assembly 1 Protein heterocomplex Heteromer；Protein × 4 PDB declaration: tetrameric（4） Consistent with protein count |
Chain A
0–91（92 aa）
Chain B
0–91（92 aa）
|
Not recorded | CA CALCIUM ION × 4 | SOLUTION NMR |
NMR measurement conditions
pH 6.5；310 K；Ionic strength (raw mmCIF value) 25 mM；Pressure ambient
NMR sample composition
2.2 mM S100B (subunit concentration), 5.2 mM CaCl2, 2.6 mM TRTK-12 peptide, 10 mM tris-d11, 15 mM NaCl, 0.1 mM EDTA, 5 mM DTT, 0.35 mM NaN3 | 95% H2O/5% D2O
|
Resolution not provided |
| 1QLK SOLUTION STRUCTURE OF CA(2+)-LOADED RAT S100B (BETABETA) NMR, 20 STRUCTURES Deposited 1997-09-26 | Assembly 1 Protein homooligomer Homooligomer；Protein × 2 PDB declaration: dimeric（2） Consistent with protein count |
Chain A
1–91（91 aa）
Fragment：SUBUNITS A AND B
Chain B
1–91（91 aa）
Fragment：SUBUNITS A AND B
|
Not recorded | CA CALCIUM ION × 4 | SOLUTION NMR |
NMR measurement conditions
pH 6.5；310 K；Ionic strength (raw mmCIF value) 22mM；Pressure ATMOSPHERIC
NMR sample composition
WATER
|
Resolution not provided |
| 1SYM 3-D SOLUTION STRUCTURE OF REDUCED APO-S100B FROM RAT, NMR, 20 STRUCTURES Deposited 1996-05-29 | Assembly 1 Protein homooligomer Homooligomer；Protein × 2 PDB declaration: dimeric（2） Consistent with protein count |
Chain A
1–91（91 aa）
Chain B
1–91（91 aa）
|
Not recorded | No recorded non-water small molecule | SOLUTION NMR | mmCIF provides none of the parsed conditions | Resolution not provided |
| 1XYD NMR Solution Structure of Rat Zinc-Calcium-S100B, 20 Structures Deposited 2004-11-09 | Assembly 1 Protein homooligomer Homooligomer；Protein × 2 PDB declaration: dimeric（2） Consistent with protein count |
Chain A
0–91（92 aa）
Chain B
0–91（92 aa）
|
Not recorded | CA CALCIUM ION × 4 ZN ZINC ION × 2 | SOLUTION NMR |
NMR measurement conditions
pH 7.2；310.15 K；Pressure ambient
NMR sample composition
3 mM 15N S100B (monomer concentration), 3 mM Zinc acetate, 10 mM CaCl2, 0.34 mM NaN3, 15 mM NaCl, <0.07 mM DTT, 10 mM TES, 10% D2O
NMR sample composition
3 mM 15N,13C S100B (monomer concentration), 3 mM Zinc acetate, 10 mM CaCl2, 0.34 mM NaN3, 15 mM NaCl, <0.07 mM DTT, 10 mM TES, 10% D2O
NMR sample composition
1 mM 15N S100B (monomer concentration), 1 mM Zinc acetate, 3.3 mM CaCl2, 0.34 mM NaN3, 15 mM NaCl, <0.07 mM DTT, 10 mM TES, 10% D2O
|
Resolution not provided |
| 2K7O Ca2+-S100B, refined with RDCs Deposited 2008-08-17 | Assembly 1 Protein homooligomer Homooligomer；Protein × 2 PDB declaration: dimeric（2） Consistent with protein count |
Chain A
2–92（91 aa）
Chain B
2–92（91 aa）
|
Not recorded | CA CALCIUM ION × 4 | SOLUTION NMR |
NMR measurement conditions
pH 6.7；310 K；Ionic strength (raw mmCIF value) 50；Pressure ambient
NMR sample composition
400 uM [U-15N] S100B, 10 mM CaCl2, 25 mM NaCl, 10 mM [U-99% 2H] MES, pH 6.7, 10 mM DTT, .1 mM NaN3, 90% H2O/10% D2O | 90% H2O/10% D2O
|
Resolution not provided |