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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：P38968 New Search
10PDB entries
11Biological assembly
26chain/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
2PM6 Crystal Structure of yeast Sec13/31 edge element of the COPII vesicular coat, native version Deposited 2007-04-20 Assembly 1 Protein heterocomplex Heteromer；Protein × 4 PDB declaration: tetrameric（4） Consistent with protein count
Chain A 370–763（394 aa） Fragment：residues 370-763
Chain C 370–763（394 aa） Fragment：residues 370-763
Not recorded No recorded non-water small molecule X-RAY DIFFRACTION
X-ray crystallization conditions VAPOR DIFFUSION, HANGING DROP；pH 7.5；277 K；15% PEG 4000, 10% DMSO, 6% dioxanie, 0.1M Tris-HCl, pH 7.5, VAPOR DIFFUSION, HANGING DROP, temperature 277K
Resolution 2.45 Å R-free 0.301
2PM7 Crystal structure of yeast Sec13/31 edge element of the COPII vesicular coat, selenomethionine version Deposited 2007-04-20 Assembly 1 Protein heterocomplex Heteromer；Protein × 4 PDB declaration: tetrameric（4） Consistent with protein count
Chain A 370–763（394 aa） Fragment：residues 370-763
Chain C 370–763（394 aa） Fragment：residues 370-763
Non-standard monomer：Yes (specific site not provided by mmCIF) 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, HANGING DROP；pH 7.5；277 K；15% PEG 4000, 10% DMSO, 6% dioxane, 0.1M Tris-HCl, pH 7.5, VAPOR DIFFUSION, HANGING DROP, temperature 277K
Resolution 2.35 Å R-free 0.298
2PM9 Crystal structure of yeast Sec13/31 vertex element of the COPII vesicular coat Deposited 2007-04-20 Assembly 1 Protein heterocomplex Heteromer；Protein × 2 PDB declaration: dimeric（2） Consistent with protein count
Chain A 1–411（411 aa） Fragment：residues 1-411
Not recorded No recorded non-water small molecule X-RAY DIFFRACTION
X-ray crystallization conditions VAPOR DIFFUSION, HANGING DROP；pH 7.2；295 K；8% PEG 3350, 0.1M tri-sodium citrate, 10mM manganese chloride, pH 7.2, VAPOR DIFFUSION, HANGING DROP, temperature 295K
Resolution 3.30 Å R-free 0.305
2QTV Structure of Sec23-Sar1 complexed with the active fragment of Sec31 Deposited 2007-08-02 Assembly 1 Protein heterocomplex Heteromer；Protein × 3 PDB declaration: trimeric（3） Consistent with protein count
Chain D 899–947（49 aa） Fragment：residues 899-947
Not recorded ZN ZINC ION × 1 MG MAGNESIUM ION × 1 GNP PHOSPHOAMINOPHOSPHONIC ACID-GUANYLATE ESTER × 1 X-RAY DIFFRACTION
X-ray crystallization conditions VAPOR DIFFUSION, HANGING DROP；pH 7.4；295 K；150 mM NaCl, 20 mM HEPES, pH 7.4, VAPOR DIFFUSION, HANGING DROP, temperature 295K
Resolution 2.50 Å R-free 0.262
3MZL Sec13/Sec31 edge element, loop deletion mutant Deposited 2010-05-12 Assembly 1 Protein heterocomplex Heteromer；Protein × 4 PDB declaration: tetrameric（4） Consistent with protein count
Chain B 370–473（104 aa） Fragment：UNP residues 370-746, deletion of residues 474-507
Chain B 508–746（239 aa） Fragment：UNP residues 370-746, deletion of residues 474-507
Chain D 370–473（104 aa） Fragment：UNP residues 370-746, deletion of residues 474-507
Chain D 508–746（239 aa） Fragment：UNP residues 370-746, deletion of residues 474-507
Not recorded No recorded non-water small molecule X-RAY DIFFRACTION
X-ray crystallization conditions VAPOR DIFFUSION, HANGING DROP；pH 6.9；289 K；0.1mM bis-Tris propane, 0.2M sodium citrate, 16% polyethylene glycol 3350, pH 6.9, VAPOR DIFFUSION, HANGING DROP, temperature 289K
Resolution 2.80 Å R-free 0.300
3MZL Sec13/Sec31 edge element, loop deletion mutant Deposited 2010-05-12 Assembly 2 Protein heterocomplex Heteromer；Protein × 4 PDB declaration: tetrameric（4） Consistent with protein count
Chain F 370–473（104 aa） Fragment：UNP residues 370-746, deletion of residues 474-507
Chain F 508–746（239 aa） Fragment：UNP residues 370-746, deletion of residues 474-507
Chain H 370–473（104 aa） Fragment：UNP residues 370-746, deletion of residues 474-507
Chain H 508–746（239 aa） Fragment：UNP residues 370-746, deletion of residues 474-507
Not recorded No recorded non-water small molecule X-RAY DIFFRACTION
X-ray crystallization conditions VAPOR DIFFUSION, HANGING DROP；pH 6.9；289 K；0.1mM bis-Tris propane, 0.2M sodium citrate, 16% polyethylene glycol 3350, pH 6.9, VAPOR DIFFUSION, HANGING DROP, temperature 289K
Resolution 2.80 Å R-free 0.300
4BZJ The structure of the COPII coat assembled on membranes Deposited 2013-07-26 Assembly 1 Protein heterocomplex Heteromer；Protein × 4 PDB declaration: tetrameric（4） Consistent with protein count
Chain A 1–1273（1273 aa）
Chain C 1–1273（1273 aa）
Not recorded No recorded non-water small molecule ELECTRON MICROSCOPY
cryo-EM buffer HEPES, 50 MM KOAC, 1.2 MM MGCL2；pH 6.8；HEPES, 50 MM KOAC, 1.2 MM MGCL2
cryo-EM vitrification conditions Cryogen ETHANE；ETHANE; HOMEMADE PLUNGER
Resolution 40.00 Å
4BZK The structure of the COPII coat assembled on membranes Deposited 2013-07-26 Assembly 1 Protein heterocomplex Heteromer；Protein × 4 PDB declaration: tetrameric（4） Consistent with protein count
Chain A 1–1273（1273 aa）
Chain C 1–1273（1273 aa）
Not recorded No recorded non-water small molecule ELECTRON MICROSCOPY
cryo-EM buffer HEPES, 50 MM KOAC, 1.2 MM MGCL2；pH 6.8；HEPES, 50 MM KOAC, 1.2 MM MGCL2
cryo-EM vitrification conditions Cryogen ETHANE；ETHANE; HOMEMADE PLUNGER
Resolution 40.00 Å
6ZG5 COPII on membranes, outer coat right-handed rod, class1 Deposited 2020-06-18 Assembly 1 Protein heterocomplex Heteromer；Protein × 4 PDB declaration: tetrameric（4） Consistent with protein count
Chain A 1–1273（1273 aa）
Chain C 1–1273（1273 aa）
Not recorded No recorded non-water small molecule ELECTRON MICROSCOPY
cryo-EM buffer pH 6.8
cryo-EM vitrification conditions Cryogen ETHANE
Resolution 40.00 Å
6ZG6 COPII on membranes, outer coat vertex Deposited 2020-06-18 Assembly 1 Protein heterocomplex Heteromer；Protein × 8 PDB declaration: octameric（8） Consistent with protein count
Chain A 1–1273（1273 aa）
Chain C 1–1273（1273 aa）
Chain E 1–1273（1273 aa）
Chain G 1–1273（1273 aa）
Not recorded No recorded non-water small molecule ELECTRON MICROSCOPY
cryo-EM buffer pH 6.8
cryo-EM vitrification conditions Cryogen ETHANE
Resolution 12.00 Å
6ZL0 COPII on membranes, outer coat left-handed rod Deposited 2020-06-30 Assembly 1 Protein heterocomplex Heteromer；Protein × 4 PDB declaration: tetrameric（4） Consistent with protein count
Chain A 1–1273（1273 aa）
Chain C 1–1273（1273 aa）
Not recorded No recorded non-water small molecule ELECTRON MICROSCOPY
cryo-EM buffer pH 6.8
cryo-EM vitrification conditions Cryogen ETHANE
Resolution 40.00 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.