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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：B6F2F5 New Search
11PDB entries
12Biological assembly
36chain/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
8SOJ Cryo-EM structure of human CST bound to POT1(ESDL)/TPP1 in the absence of telomeric ssDNA Deposited 2023-04-28 Assembly 1 Insufficient information Heteromer；Protein × 4 PDB declaration: tetrameric（4） Consistent with protein count
Chain B 2–241（240 aa）
Not recorded ZN ZINC ION × 2 ELECTRON MICROSCOPY
cryo-EM buffer pH 7.5
cryo-EM vitrification conditions Cryogen ETHANE
Resolution 3.80 Å
8SOK Cryo-EM structure of human CST bound to POT1(ESDL)/TPP1 in the presence of telomeric ssDNA Deposited 2023-04-28 Assembly 1 Insufficient information Heteromer；Protein × 5 PDB declaration: hexameric（6） Consistent with all polymers
Chain E 2–241（240 aa）
Not recorded ZN ZINC ION × 2 ELECTRON MICROSCOPY
cryo-EM buffer pH 7.5
cryo-EM vitrification conditions Cryogen ETHANE
Resolution 4.10 Å
9LET Cryo-EM structure of human ZAC in zinc Binding State Deposited 2025-01-07 Assembly 1 Insufficient information Homooligomer；Protein × 5 PDB declaration: pentameric（5） Consistent with protein count
Chain A 4–241（238 aa）
Chain B 4–241（238 aa）
Chain C 4–241（238 aa）
Chain D 4–241（238 aa）
Chain E 4–241（238 aa）
Mutation：A152T Mutation：A152T Mutation：A152T Mutation：A152T Mutation：A152T ZN ZINC ION × 5 ELECTRON MICROSCOPY
cryo-EM buffer pH 7.5
cryo-EM vitrification conditions Cryogen ETHANE
Resolution 2.62 Å
9LEU Cryo-EM structure of human ZAC with A152 mutant in zinc binding state Deposited 2025-01-07 Assembly 1 Insufficient information Homooligomer；Protein × 5 PDB declaration: pentameric（5） Consistent with protein count
Chain A 4–241（238 aa）
Chain B 4–241（238 aa）
Chain C 4–241（238 aa）
Chain D 4–241（238 aa）
Chain E 4–241（238 aa）
Mutation：A152T Mutation：A152T Mutation：A152T Mutation：A152T Mutation：A152T ZN ZINC ION × 5 ELECTRON MICROSCOPY
cryo-EM buffer pH 8
cryo-EM vitrification conditions Cryogen ETHANE
Resolution 2.63 Å
9LEV Cryo-EM structure of human ZAC in nanodisc in apo state Deposited 2025-01-07 Assembly 1 Insufficient information Homooligomer；Protein × 5 PDB declaration: pentameric（5） Consistent with protein count
Chain A 4–241（238 aa）
Chain B 4–241（238 aa）
Chain C 4–241（238 aa）
Chain D 4–241（238 aa）
Chain E 4–241（238 aa）
Mutation：A152T Mutation：A152T Mutation：A152T Mutation：A152T Mutation：A152T No recorded non-water small molecule ELECTRON MICROSCOPY
cryo-EM buffer pH 8
cryo-EM vitrification conditions Cryogen ETHANE
Resolution 3.35 Å
9LEX Cryo-EM structure of human ZAC in zinc partially binding state in nanodisc Deposited 2025-01-07 Assembly 1 Insufficient information Homooligomer；Protein × 5 PDB declaration: pentameric（5） Consistent with protein count
Chain A 4–241（238 aa）
Chain B 4–241（238 aa）
Chain C 4–241（238 aa）
Chain D 4–241（238 aa）
Chain E 4–241（238 aa）
Mutation：A152T Mutation：A152T Mutation：A152T Mutation：A152T Mutation：A152T ZN ZINC ION × 2 ELECTRON MICROSCOPY
cryo-EM buffer pH 8
cryo-EM vitrification conditions Cryogen ETHANE
Resolution 2.85 Å
9LEY Cryo-EM structure of human ZAC in complex with d-tubocurarine Deposited 2025-01-07 Assembly 1 Insufficient information Homooligomer；Protein × 5 PDB declaration: pentameric（5） Consistent with protein count
Chain A 4–241（238 aa）
Chain B 4–241（238 aa）
Chain C 4–241（238 aa）
Chain D 4–241（238 aa）
Chain E 4–241（238 aa）
Mutation：A152T Mutation：A152T Mutation：A152T Mutation：A152T Mutation：A152T TC9 D-TUBOCURARINE × 2 ELECTRON MICROSCOPY
cryo-EM buffer pH 8
cryo-EM vitrification conditions Cryogen ETHANE
Resolution 2.97 Å
9LEZ Cryo-EM structure of human ZAC in complex with N-(4-(tert-butyl)thiazol-2-yl)-3-fluorobenzamide (TTFB) Deposited 2025-01-07 Assembly 1 Insufficient information Homooligomer；Protein × 5 PDB declaration: pentameric（5） Consistent with protein count
Chain A 4–241（238 aa）
Chain B 4–241（238 aa）
Chain C 4–241（238 aa）
Chain D 4–241（238 aa）
Chain E 4–241（238 aa）
Mutation：A152T Mutation：A152T Mutation：A152T Mutation：A152T Mutation：A152T A1EKJ ~{N}-(4-~{tert}-butyl-1,3-thiazol-2-yl)-3-fluoranyl-benzamide × 5 ZN ZINC ION × 5 ELECTRON MICROSCOPY
cryo-EM buffer pH 8
cryo-EM vitrification conditions Cryogen ETHANE
Resolution 2.54 Å
9LRC Cryo-EM structure of the histamine H4 receptor-Gi protein complex (Receptor focused) Deposited 2025-01-30 Assembly 1 Insufficient information Monomer；Protein × 1 PDB declaration: monomeric（1） Consistent with protein count
Chain R 2–241（240 aa）
Not recorded HSM HISTAMINE × 1 ELECTRON MICROSCOPY
cryo-EM buffer pH 7.4
cryo-EM vitrification conditions Cryogen ETHANE
Resolution 2.84 Å
9LRE Cryo-EM structure of the histamine H4 receptor-Gi protein complex (Overall) Deposited 2025-01-30 Assembly 1 Insufficient information Heteromer；Protein × 5 PDB declaration: pentameric（5） Consistent with protein count
Chain R 2–241（240 aa）
Not recorded HSM HISTAMINE × 1 ELECTRON MICROSCOPY
cryo-EM buffer pH 7.4
cryo-EM vitrification conditions Cryogen ETHANE
Resolution 2.84 Å
9R6H Crystal Structure of the M18BP1 SANTA domain as a EGFP-SANTA-nanobody fusion Deposited 2025-05-12 Assembly 1 Insufficient information Monomer；Protein × 1 PDB declaration: monomeric（1） Consistent with protein count
Chain A 4–228（225 aa）
Non-standard monomer：Yes (specific site not provided by mmCIF) PG4 TETRAETHYLENE GLYCOL × 6 X-RAY DIFFRACTION
X-ray crystallization conditions VAPOR DIFFUSION, SITTING DROP；pH 6；293 K；0.1M MES pH 6.0, 50% PEG400, 5% w/v PEG3000
Resolution 2.42 Å R-free 0.262
9R6H Crystal Structure of the M18BP1 SANTA domain as a EGFP-SANTA-nanobody fusion Deposited 2025-05-12 Assembly 2 Insufficient information Monomer；Protein × 1 PDB declaration: monomeric（1） Consistent with protein count
Chain B 4–228（225 aa）
Non-standard monomer：Yes (specific site not provided by mmCIF) PG4 TETRAETHYLENE GLYCOL × 5 X-RAY DIFFRACTION
X-ray crystallization conditions VAPOR DIFFUSION, SITTING DROP；pH 6；293 K；0.1M MES pH 6.0, 50% PEG400, 5% w/v PEG3000
Resolution 2.42 Å R-free 0.262

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.