Current Protein Identity：P70452
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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 |
|---|---|---|---|---|---|---|---|
| 3PUJ Crystal structure of the MUNC18-1 and SYNTAXIN4 N-Peptide complex Deposited 2010-12-05 | Assembly 1 Protein heterocomplex Heteromer；Protein × 2 PDB declaration: dimeric（2） Consistent with protein count |
Chain C
1–10（10 aa）
Fragment：UNP residues 1-10
|
Not recorded | No recorded non-water small molecule | X-RAY DIFFRACTION |
X-ray crystallization conditions
VAPOR DIFFUSION, HANGING DROP；pH 7；293 K；60% Tascimate, pH 7.0, VAPOR DIFFUSION, HANGING DROP, temperature 293K
|
Resolution 3.31 Å R-free 0.258 |
| 3PUJ Crystal structure of the MUNC18-1 and SYNTAXIN4 N-Peptide complex Deposited 2010-12-05 | Assembly 2 Protein heterocomplex Heteromer；Protein × 2 PDB declaration: dimeric（2） Consistent with protein count |
Chain D
1–10（10 aa）
Fragment：UNP residues 1-10
|
Not recorded | No recorded non-water small molecule | X-RAY DIFFRACTION |
X-ray crystallization conditions
VAPOR DIFFUSION, HANGING DROP；pH 7；293 K；60% Tascimate, pH 7.0, VAPOR DIFFUSION, HANGING DROP, temperature 293K
|
Resolution 3.31 Å R-free 0.258 |
| 3PUK Re-refinement of the crystal structure of Munc18-3 and Syntaxin4 N-peptide complex Deposited 2010-12-05 | Assembly 1 Protein heterocomplex Heteromer；Protein × 2 PDB declaration: dimeric（2） Consistent with protein count |
Chain C
1–10（10 aa）
Fragment：UNP residues 1-10
|
Not recorded | No recorded non-water small molecule | X-RAY DIFFRACTION |
X-ray crystallization conditions
VAPOR DIFFUSION, HANGING DROP；pH 6.5；293 K；10-13% PEG 3350, 0.2M MGACETATE, 0.1M MES, PH6.5, 50MM MGCL2, VAPOR DIFFUSION, HANGING DROP, temperature 293K
|
Resolution 3.05 Å R-free 0.279 |
| 3PUK Re-refinement of the crystal structure of Munc18-3 and Syntaxin4 N-peptide complex Deposited 2010-12-05 | Assembly 2 Protein heterocomplex Heteromer；Protein × 2 PDB declaration: dimeric（2） Consistent with protein count |
Chain D
1–10（10 aa）
Fragment：UNP residues 1-10
|
Not recorded | No recorded non-water small molecule | X-RAY DIFFRACTION |
X-ray crystallization conditions
VAPOR DIFFUSION, HANGING DROP；pH 6.5；293 K；10-13% PEG 3350, 0.2M MGACETATE, 0.1M MES, PH6.5, 50MM MGCL2, VAPOR DIFFUSION, HANGING DROP, temperature 293K
|
Resolution 3.05 Å R-free 0.279 |
| 8BBJ Secretagogin (mouse) in complex with its target peptide from Syntaxin-4 Deposited 2022-10-13 | Assembly 1 Insufficient information Heteromer；Protein × 2 PDB declaration: dimeric（2） Consistent with protein count |
Chain A
82–109（28 aa）
|
Mutation：F64L,Q80R,I167T Non-standard monomer：Yes (specific site not provided by mmCIF) | CA CALCIUM ION × 4 CAC CACODYLATE ION × 1 | X-RAY DIFFRACTION |
X-ray crystallization conditions
VAPOR DIFFUSION；pH 8；277 K；0.1 M Na cacodylate pH 5.5, 0.2 M NH4SO4, 25% v/v PEGSM (PEG-smear)
|
Resolution 2.65 Å R-free 0.269 |
| 8BBJ Secretagogin (mouse) in complex with its target peptide from Syntaxin-4 Deposited 2022-10-13 | Assembly 2 Insufficient information Heteromer；Protein × 2 PDB declaration: dimeric（2） Consistent with protein count |
Chain B
82–109（28 aa）
|
Mutation：F64L,Q80R,I167T Non-standard monomer：Yes (specific site not provided by mmCIF) | CA CALCIUM ION × 4 | X-RAY DIFFRACTION |
X-ray crystallization conditions
VAPOR DIFFUSION；pH 8；277 K；0.1 M Na cacodylate pH 5.5, 0.2 M NH4SO4, 25% v/v PEGSM (PEG-smear)
|
Resolution 2.65 Å R-free 0.269 |