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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：P13538 New Search
15PDB entries
15Biological assembly
63chain/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
1M8Q Molecular Models of Averaged Rigor Crossbridges from Tomograms of Insect Flight Muscle Deposited 2002-07-25 Assembly 1 Protein heterocomplex Heteromer；Protein × 26 PDB declaration: 26-meric（26） Consistent with protein count
Chain A 4–843（840 aa）
Chain D 4–843（840 aa）
Chain G 4–843（840 aa）
Chain P 4–843（840 aa）
Non-standard monomer：Yes (specific site not provided by mmCIF) Non-standard monomer：Yes (specific site not provided by mmCIF) 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 ELECTRON MICROSCOPY
cryo-EM vitrification conditions No vitrification. Samples were viewed at room temperature.
Resolution 70.00 Å
1MVW MOLECULAR MODELS OF AVERAGED RIGOR CROSSBRIDGES FROM TOMOGRAMS OF INSECT FLIGHT MUSCLE Deposited 2002-09-26 Assembly 1 Protein heterocomplex Heteromer；Protein × 32 PDB declaration: 32-meric（32） Consistent with protein count
Chain A 4–843（840 aa）
Chain D 4–843（840 aa）
Chain G 4–843（840 aa）
Chain J 4–843（840 aa）
Chain M 4–843（840 aa）
Chain P 4–843（840 aa）
Non-standard monomer：Yes (specific site not provided by mmCIF) Non-standard monomer：Yes (specific site not provided by mmCIF) Non-standard monomer：Yes (specific site not provided by mmCIF) Non-standard monomer：Yes (specific site not provided by mmCIF) 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 ELECTRON MICROSCOPY
cryo-EM vitrification conditions NO VITRIFICATION. SAMPLES WERE VIEWED AT ROOM TEMPERATURE.
Resolution 70.00 Å
1O18 MOLECULAR MODELS OF AVERAGED RIGOR CROSSBRIDGES FROM TOMOGRAMS OF INSECT FLIGHT MUSCLE Deposited 2002-11-04 Assembly 1 Protein heterocomplex Heteromer；Protein × 30 PDB declaration: 30-meric（30） Consistent with protein count
Chain A 4–843（840 aa）
Chain D 4–843（840 aa）
Chain G 4–843（840 aa）
Chain J 4–843（840 aa）
Chain M 4–843（840 aa）
Chain P 4–843（840 aa）
Non-standard monomer：Yes (specific site not provided by mmCIF) Non-standard monomer：Yes (specific site not provided by mmCIF) Non-standard monomer：Yes (specific site not provided by mmCIF) Non-standard monomer：Yes (specific site not provided by mmCIF) 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 ELECTRON MICROSCOPY
cryo-EM vitrification conditions NO VITRIFICATION. SAMPLES WERE VIEWED AT ROOM TEMPERATURE.
Resolution 70.00 Å
1O19 MOLECULAR MODELS OF AVERAGED RIGOR CROSSBRIDGES FROM TOMOGRAMS OF INSECT FLIGHT MUSCLE Deposited 2002-11-15 Assembly 1 Protein heterocomplex Heteromer；Protein × 32 PDB declaration: 32-meric（32） Consistent with protein count
Chain A 4–843（840 aa）
Chain D 4–843（840 aa）
Chain G 4–843（840 aa）
Chain J 4–843（840 aa）
Chain M 4–843（840 aa）
Chain S 4–843（840 aa）
Non-standard monomer：Yes (specific site not provided by mmCIF) Non-standard monomer：Yes (specific site not provided by mmCIF) Non-standard monomer：Yes (specific site not provided by mmCIF) Non-standard monomer：Yes (specific site not provided by mmCIF) 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 ELECTRON MICROSCOPY
cryo-EM vitrification conditions NO VITRIFICATION. SAMPLES WERE VIEWED AT ROOM TEMPERATURE.
Resolution 70.00 Å
1O1A MOLECULAR MODELS OF AVERAGED RIGOR CROSSBRIDGES FROM TOMOGRAMS OF INSECT FLIGHT MUSCLE Deposited 2002-11-18 Assembly 1 Protein heterocomplex Heteromer；Protein × 32 PDB declaration: 32-meric（32） Consistent with protein count
Chain A 4–843（840 aa）
Chain D 4–843（840 aa）
Chain G 4–843（840 aa）
Chain J 4–843（840 aa）
Chain M 4–843（840 aa）
Chain P 4–843（840 aa）
Non-standard monomer：Yes (specific site not provided by mmCIF) Non-standard monomer：Yes (specific site not provided by mmCIF) Non-standard monomer：Yes (specific site not provided by mmCIF) Non-standard monomer：Yes (specific site not provided by mmCIF) 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 ELECTRON MICROSCOPY
cryo-EM vitrification conditions NO VITRIFICATION. SAMPLES WERE VIEWED AT ROOM TEMPERATURE.
Resolution 70.00 Å
1O1B MOLECULAR MODELS OF AVERAGED RIGOR CROSSBRIDGES FROM TOMOGRAMS OF INSECT FLIGHT MUSCLE Deposited 2002-11-15 Assembly 1 Protein heterocomplex Heteromer；Protein × 26 PDB declaration: 26-meric（26） Consistent with protein count
Chain A 4–843（840 aa）
Chain D 4–843（840 aa）
Chain G 4–843（840 aa）
Chain J 4–843（840 aa）
Non-standard monomer：Yes (specific site not provided by mmCIF) Non-standard monomer：Yes (specific site not provided by mmCIF) 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 ELECTRON MICROSCOPY
cryo-EM vitrification conditions NO VITRIFICATION. SAMPLES WERE VIEWED AT ROOM TEMPERATURE.
Resolution 70.00 Å
1O1C MOLECULAR MODELS OF AVERAGED RIGOR CROSSBRIDGES FROM TOMOGRAMS OF INSECT FLIGHT MUSCLE Deposited 2002-11-18 Assembly 1 Protein heterocomplex Heteromer；Protein × 29 PDB declaration: 29-meric（29） Consistent with protein count
Chain A 4–843（840 aa）
Chain D 4–843（840 aa）
Chain G 4–843（840 aa）
Chain J 4–843（840 aa）
Chain P 4–843（840 aa）
Non-standard monomer：Yes (specific site not provided by mmCIF) Non-standard monomer：Yes (specific site not provided by mmCIF) Non-standard monomer：Yes (specific site not provided by mmCIF) 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 ELECTRON MICROSCOPY
cryo-EM vitrification conditions NO VITRIFICATION. SAMPLES WERE VIEWED AT ROOM TEMPERATURE.
Resolution 70.00 Å
1O1D MOLECULAR MODELS OF AVERAGED RIGOR CROSSBRIDGES FROM TOMOGRAMS OF INSECT FLIGHT MUSCLE Deposited 2002-11-18 Assembly 1 Protein heterocomplex Heteromer；Protein × 32 PDB declaration: 32-meric（32） Consistent with protein count
Chain A 4–843（840 aa）
Chain D 4–843（840 aa）
Chain G 4–843（840 aa）
Chain J 4–843（840 aa）
Chain M 4–843（840 aa）
Chain P 4–843（840 aa）
Non-standard monomer：Yes (specific site not provided by mmCIF) Non-standard monomer：Yes (specific site not provided by mmCIF) Non-standard monomer：Yes (specific site not provided by mmCIF) Non-standard monomer：Yes (specific site not provided by mmCIF) 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 ELECTRON MICROSCOPY
cryo-EM vitrification conditions NO VITRIFICATION. SAMPLES WERE VIEWED AT ROOM TEMPERATURE.
Resolution 70.00 Å
1O1E MOLECULAR MODELS OF AVERAGED RIGOR CROSSBRIDGES FROM TOMOGRAMS OF INSECT FLIGHT MUSCLE Deposited 2002-11-19 Assembly 1 Protein heterocomplex Heteromer；Protein × 32 PDB declaration: 32-meric（32） Consistent with protein count
Chain A 4–843（840 aa）
Chain D 4–843（840 aa）
Chain G 4–843（840 aa）
Chain J 4–843（840 aa）
Chain M 4–843（840 aa）
Chain P 4–843（840 aa）
Non-standard monomer：Yes (specific site not provided by mmCIF) Non-standard monomer：Yes (specific site not provided by mmCIF) Non-standard monomer：Yes (specific site not provided by mmCIF) Non-standard monomer：Yes (specific site not provided by mmCIF) 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 ELECTRON MICROSCOPY
cryo-EM vitrification conditions NO VITRIFICATION. SAMPLES WERE VIEWED AT ROOM TEMPERATURE.
Resolution 70.00 Å
1O1F MOLECULAR MODELS OF AVERAGED RIGOR CROSSBRIDGES FROM TOMOGRAMS OF INSECT FLIGHT MUSCLE Deposited 2002-11-15 Assembly 1 Protein heterocomplex Heteromer；Protein × 26 PDB declaration: 26-meric（26） Consistent with protein count
Chain A 4–843（840 aa）
Chain D 4–843（840 aa）
Chain G 4–843（840 aa）
Chain J 4–843（840 aa）
Non-standard monomer：Yes (specific site not provided by mmCIF) Non-standard monomer：Yes (specific site not provided by mmCIF) 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 ELECTRON MICROSCOPY
cryo-EM vitrification conditions NO VITRIFICATION. SAMPLES WERE VIEWED AT ROOM TEMPERATURE.
Resolution 70.00 Å
1O1G MOLECULAR MODELS OF AVERAGED RIGOR CROSSBRIDGES FROM TOMOGRAMS OF INSECT FLIGHT MUSCLE Deposited 2002-11-19 Assembly 1 Protein heterocomplex Heteromer；Protein × 32 PDB declaration: 32-meric（32） Consistent with protein count
Chain A 4–843（840 aa）
Chain D 4–843（840 aa）
Chain G 4–843（840 aa）
Chain J 4–843（840 aa）
Chain M 4–843（840 aa）
Chain P 4–843（840 aa）
Non-standard monomer：Yes (specific site not provided by mmCIF) Non-standard monomer：Yes (specific site not provided by mmCIF) Non-standard monomer：Yes (specific site not provided by mmCIF) Non-standard monomer：Yes (specific site not provided by mmCIF) 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 ELECTRON MICROSCOPY
cryo-EM vitrification conditions NO VITRIFICATION. SAMPLES WERE VIEWED AT ROOM TEMPERATURE.
Resolution 70.00 Å
2MYS MYOSIN SUBFRAGMENT-1, ALPHA CARBON COORDINATES ONLY FOR THE TWO LIGHT CHAINS Deposited 1996-06-27 Assembly 1 Protein heterocomplex Heteromer；Protein × 3 PDB declaration: trimeric（3） Consistent with protein count
Chain A 1–843（843 aa） Fragment：SUBFRAGMENT-1
Non-standard monomer：Yes (specific site not provided by mmCIF) SO4 SULFATE ION × 1 MG MAGNESIUM ION × 1 X-RAY DIFFRACTION mmCIF provides none of the parsed conditions Resolution 2.80 Å
2W4A ISOMETRICALLY CONTRACTING INSECT ASYNCHRONOUS FLIGHT MUSCLE Deposited 2008-11-24 Assembly 3 Protein monomer Monomer；Protein × 1 PDB declaration: monomeric（1） Consistent with protein count
Chain M 5–844（840 aa） Fragment：RESIDUES, 5-844
Not recorded No recorded non-water small molecule ELECTRON MICROSCOPY
cryo-EM buffer 20 MM MOPS BUFFER, 5 MM NAN3, AND MGCL2, ATP, CACL2, AND EGTA IN VARYING MILLIMOLAR MILLIMOLAR CONCENTRATIONS；20 MM MOPS BUFFER, 5 MM NAN3, AND MGCL2, ATP, CACL2, AND EGTA IN VARYING MILLIMOLAR MILLIMOLAR CONCENTRATIONS
cryo-EM vitrification conditions Cryogen HELIUM
Resolution 35.00 Å
2W4G ISOMETRICALLY CONTRACTING INSECT ASYNCHRONOUS FLIGHT MUSCLE QUICK FROZEN AFTER A QUICK STRETCH STEP Deposited 2008-11-25 Assembly 1 Protein heterocomplex Heteromer；Protein × 3 PDB declaration: trimeric（3） Consistent with protein count
Chain M 5–844（840 aa） Fragment：RESIDUES, 5-844
Not recorded No recorded non-water small molecule ELECTRON MICROSCOPY
cryo-EM buffer 20 MM MOPS BUFFER, 5 MM NAN3, AND MGCL2, ATP, CACL2, AND EGTA IN VARYING MILLIMOLAR CONCENTRATIONS；20 MM MOPS BUFFER, 5 MM NAN3, AND MGCL2, ATP, CACL2, AND EGTA IN VARYING MILLIMOLAR CONCENTRATIONS
cryo-EM vitrification conditions Cryogen HELIUM；SMASH AGAINST A LIQUID HELIUM COOLED GOLD COATED COPPER MIRROR
Resolution 35.00 Å
2W4H Isometrically contracting insect asynchronous flight muscle quick frozen after a quick release step Deposited 2008-11-25 Assembly 1 Protein heterocomplex Heteromer；Protein × 3 PDB declaration: trimeric（3） Consistent with protein count
Chain M 5–844（840 aa） Fragment：RESIDUES, 5-844
Not recorded No recorded non-water small molecule ELECTRON MICROSCOPY
cryo-EM buffer 20 MM MOPS BUFFER, 5 MM NAN3, AND MGCL2, ATP, CACL2, AND EGTA IN VARYING MILLIMOLAR MILLIMOLAR CONCENTRATIONS；20 MM MOPS BUFFER, 5 MM NAN3, AND MGCL2, ATP, CACL2, AND EGTA IN VARYING MILLIMOLAR MILLIMOLAR CONCENTRATIONS
Resolution 35.00 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.