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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：A5PK71 New Search
4PDB entries
4Biological assembly
32chain/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 YB 1–257（257 aa）
Chain YC 1–257（257 aa）
Chain YD 1–257（257 aa）
Chain YE 1–257（257 aa）
Chain YF 1–257（257 aa）
Chain YG 1–257（257 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 YG 1–257（257 aa）
Chain YH 1–257（257 aa）
Chain YI 1–257（257 aa）
Chain YJ 1–257（257 aa）
Chain YK 1–257（257 aa）
Chain YL 1–257（257 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 4O 1–257（257 aa）
Chain 4P 1–257（257 aa）
Chain 4Q 1–257（257 aa）
Chain 4R 1–257（257 aa）
Chain 4S 1–257（257 aa）
Chain 4T 1–257（257 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 YG 1–257（257 aa）
Chain YH 1–257（257 aa）
Chain YI 1–257（257 aa）
Chain YJ 1–257（257 aa）
Chain YK 1–257（257 aa）
Chain YL 1–257（257 aa）
Chain YM 1–257（257 aa）
Chain YN 1–257（257 aa）
Chain YO 1–257（257 aa）
Chain YP 1–257（257 aa）
Chain YQ 1–257（257 aa）
Chain YR 1–257（257 aa）
Chain YS 1–257（257 aa）
Chain YT 1–257（257 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.