← Back to search

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：Q4KUS2 New Search
5PDB entries
5Biological assembly
45chain/assembly records
Main Difference Dimensions in This Set
Different construct Different assembly state

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
7T7C The hexagonal organization of Munc13-1 C1-C2B-MUN-C2C domains between lipid bilayers Deposited 2021-12-15 Assembly 1 Insufficient information Homooligomer；Protein × 12 PDB declaration: dodecameric（12） Consistent with protein count
Chain A 1448–1712（265 aa）
Chain B 1448–1712（265 aa）
Chain C 1448–1712（265 aa）
Chain D 1448–1712（265 aa）
Chain E 1448–1712（265 aa）
Chain F 1448–1712（265 aa）
Chain G 1448–1712（265 aa）
Chain H 1448–1712（265 aa）
Chain I 1448–1712（265 aa）
Chain J 1448–1712（265 aa）
Chain K 1448–1712（265 aa）
Chain L 1448–1712（265 aa）
Not recorded No recorded non-water small molecule ELECTRON MICROSCOPY
cryo-EM buffer pH 7.4
cryo-EM vitrification conditions Cryogen ETHANE；blot for 5 sec before plunging, blot force -1
Resolution 10.00 Å
7T7R Structure of Munc13-1 C1-C2B-MUN-C2C trimer between lipid bilayers Deposited 2021-12-15 Assembly 1 Protein homooligomer Homooligomer；Protein × 3 PDB declaration: trimeric（3） Consistent with protein count
Chain A 525–1403（879 aa）
Chain A 1448–1712（265 aa）
Chain B 525–1403（879 aa）
Chain B 1448–1712（265 aa）
Chain C 525–1403（879 aa）
Chain C 1448–1712（265 aa）
Not recorded No recorded non-water small molecule ELECTRON MICROSCOPY
cryo-EM buffer pH 7.4
cryo-EM vitrification conditions Cryogen ETHANE；blot for 5 sec before plunging, blot force -1
Resolution 10.00 Å
7T7V Munc13-1 C1-C2B-MUN-C2C Lateral conformation on lipid bilayer surface Deposited 2021-12-15 Assembly 1 Protein monomer Monomer；Protein × 1 PDB declaration: monomeric（1） Consistent with protein count
Chain A 525–1403（879 aa）
Chain A 1448–1712（265 aa）
Not recorded No recorded non-water small molecule ELECTRON MICROSCOPY
cryo-EM buffer pH 7.4
cryo-EM vitrification conditions Cryogen ETHANE；blot for 5 sec before plunging, blot force -1
Resolution 10.00 Å
7T7X Munc13-1 C1-C2B-MUN-C2C Upright conformation spanning two lipid bilayers Deposited 2021-12-15 Assembly 1 Insufficient information Monomer；Protein × 1 PDB declaration: monomeric（1） Consistent with protein count
Chain A 1448–1712（265 aa）
Not recorded No recorded non-water small molecule ELECTRON MICROSCOPY
cryo-EM buffer pH 7.4
cryo-EM vitrification conditions Cryogen ETHANE；blot for 5 sec before plunging, blot force -1
Resolution 10.00 Å
7T81 Model of Munc13-1 C1-C2B-MUN-C2C 2D crystal between lipid bilayers. Deposited 2021-12-15 Assembly 1 Insufficient information Homooligomer；Protein × 24 PDB declaration: 24-meric（24） Consistent with protein count
Chain A 1448–1712（265 aa）
Chain C 1448–1712（265 aa）
Chain D 1448–1712（265 aa）
Chain E 1448–1712（265 aa）
Chain F 1448–1712（265 aa）
Chain G 1448–1712（265 aa）
Chain H 1448–1712（265 aa）
Chain I 1448–1712（265 aa）
Chain J 1448–1712（265 aa）
Chain K 1448–1712（265 aa）
Chain L 1448–1712（265 aa）
Chain M 1448–1712（265 aa）
Chain N 1448–1712（265 aa）
Chain O 1448–1712（265 aa）
Chain P 1448–1712（265 aa）
Chain Q 1448–1712（265 aa）
Chain R 1448–1712（265 aa）
Chain S 1448–1712（265 aa）
Chain T 1448–1712（265 aa）
Chain U 1448–1712（265 aa）
Chain V 1448–1712（265 aa）
Chain W 1448–1712（265 aa）
Chain X 1448–1712（265 aa）
Chain Y 1448–1712（265 aa）
Not recorded No recorded non-water small molecule ELECTRON MICROSCOPY
cryo-EM buffer pH 7.4
cryo-EM vitrification conditions Cryogen ETHANE；blot for 5 sec before plunging, blot force -1
Resolution 10.00 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.