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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：Q2T9Q6 New Search
4PDB entries
4Biological assembly
46chain/assembly records
Main Difference Dimensions in This Set
Different assembly state Different ligand/ion 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
7RRO Structure of the 48-nm repeat doublet microtubule from bovine tracheal cilia Deposited 2021-08-10 Assembly 1 Protein heterocomplex Heteromer；Protein × 429 PDB declaration: 429-meric（429） Consistent with protein count
Chain B0 1–430（430 aa）
Chain B1 1–430（430 aa）
Chain B2 1–430（430 aa）
Chain B3 1–430（430 aa）
Chain B4 1–430（430 aa）
Chain B5 1–430（430 aa）
Chain B6 1–430（430 aa）
Chain B7 1–430（430 aa）
Chain B8 1–430（430 aa）
Chain B9 1–430（430 aa）
Not recorded GTP GUANOSINE-5'-TRIPHOSPHATE × 149 MG MAGNESIUM ION × 149 GDP GUANOSINE-5'-DIPHOSPHATE × 153 ELECTRON MICROSCOPY
cryo-EM buffer pH 7.4
cryo-EM vitrification conditions Cryogen ETHANE
Resolution 3.40 Å
8OTZ 48-nm repeat of the native axonemal doublet microtubule from bovine sperm Deposited 2023-04-21 Assembly 1 Protein heterocomplex Heteromer；Protein × 575 PDB declaration: 575-meric（575） Consistent with protein count
Chain Cq 1–430（430 aa）
Chain Cr 1–430（430 aa）
Chain Cs 1–430（430 aa）
Chain Ct 1–430（430 aa）
Chain Cu 1–430（430 aa）
Chain Cv 1–430（430 aa）
Chain Cw 1–430（430 aa）
Chain Cx 1–430（430 aa）
Chain Cy 1–430（430 aa）
Not recorded GTP GUANOSINE-5'-TRIPHOSPHATE × 149 MG MAGNESIUM ION × 149 GDP GUANOSINE-5'-DIPHOSPHATE × 153 ELECTRON MICROSCOPY
cryo-EM buffer pH 7.9
cryo-EM vitrification conditions Cryogen ETHANE-PROPANE
Resolution 3.60 Å
9CPB Atomic model of bovine Fallopian tube cilia doublet microtubule (48-nm periodicity) Deposited 2024-07-18 Assembly 1 Protein heterocomplex Heteromer；Protein × 395 PDB declaration: 395-meric（395） Consistent with protein count
Chain 5Q 1–430（430 aa）
Chain 5R 1–430（430 aa）
Chain 5S 1–430（430 aa）
Chain 5T 1–430（430 aa）
Chain 5V 1–430（430 aa）
Chain 5W 1–430（430 aa）
Chain 5X 1–430（430 aa）
Chain 5Y 1–430（430 aa）
Not recorded GDP GUANOSINE-5'-DIPHOSPHATE × 130 MG MAGNESIUM ION × 106 GTP GUANOSINE-5'-TRIPHOSPHATE × 134 ELECTRON MICROSCOPY
cryo-EM buffer pH 7.4
cryo-EM vitrification conditions Cryogen ETHANE
Resolution 3.52 Å
9FQR 96-nm repeat of axonemal doublet microtubules from bovine sperm Deposited 2024-06-21 Assembly 1 Protein heterocomplex Heteromer；Protein × 1574 PDB declaration: 1574-meric（1574） Consistent with protein count
Chain A0 1–430（430 aa）
Chain Cq 1–430（430 aa）
Chain Cr 1–430（430 aa）
Chain Cs 1–430（430 aa）
Chain Ct 1–430（430 aa）
Chain Cu 1–430（430 aa）
Chain Cv 1–430（430 aa）
Chain Cw 1–430（430 aa）
Chain Cy 1–430（430 aa）
Chain E6 1–430（430 aa）
Chain E7 1–430（430 aa）
Chain E8 1–430（430 aa）
Chain E9 1–430（430 aa）
Chain FA 1–430（430 aa）
Chain Nd 1–430（430 aa）
Chain Ne 1–430（430 aa）
Chain Nf 1–430（430 aa）
Chain Ng 1–430（430 aa）
Chain Nh 1–430（430 aa）
Not recorded GTP GUANOSINE-5'-TRIPHOSPHATE × 342 MG MAGNESIUM ION × 345 GDP GUANOSINE-5'-DIPHOSPHATE × 345 ELECTRON MICROSCOPY
cryo-EM buffer pH 7.9
cryo-EM vitrification conditions Cryogen ETHANE-PROPANE
Resolution 5.00 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.