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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：Q12996 New Search
3PDB entries
4Biological assembly
5chain/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
6B3X Crystal structure of CstF-50 in complex with CstF-77 Deposited 2017-09-25 Assembly 1 Protein heterocomplex Heteromer；Protein × 2 PDB declaration: dimeric（2） Consistent with protein count
Chain B 581–600（20 aa） Fragment：UNP residues 581-600
Not recorded No recorded non-water small molecule X-RAY DIFFRACTION
X-ray crystallization conditions VAPOR DIFFUSION, HANGING DROP；277 K；0.1M MES pH6.0-6.5, 1.6-1.9M ammonium sulfate, 2-5% PEG400, 0.2M NaCl
Resolution 2.30 Å R-free 0.262
6URO Cryo-EM structure of human CPSF160-WDR33-CPSF30-PAS RNA-CstF77 complex Deposited 2019-10-23 Assembly 1 Protein–RNA Heteromer；Protein × 5 PDB declaration: hexameric（6） Consistent with all polymers
Chain E 1–717（717 aa）
Chain F 1–717（717 aa）
Not recorded ZN ZINC ION × 3 ELECTRON MICROSCOPY
cryo-EM buffer pH 8；25 mM Tris-HCl, pH 8.0, 150 mM NaCl, 5 mM DTT
cryo-EM vitrification conditions Cryogen ETHANE
Resolution 3.60 Å
7ZY4 Crystal structure of human CstF77 in complex with hFip1 Deposited 2022-05-23 Assembly 1 Protein heterocomplex Heteromer；Protein × 2 PDB declaration: dimeric（2） Consistent with protein count
Chain A 241–549（309 aa）
Not recorded GOL GLYCEROL × 3 X-RAY DIFFRACTION
X-ray crystallization conditions VAPOR DIFFUSION, SITTING DROP；278.15 K；0.1 M Bicine pH 9.0, 10% w/v PEG 20k, 2% v/v Dioxane
Resolution 2.55 Å R-free 0.247
7ZY4 Crystal structure of human CstF77 in complex with hFip1 Deposited 2022-05-23 Assembly 2 Protein heterocomplex Heteromer；Protein × 2 PDB declaration: dimeric（2） Consistent with protein count
Chain B 241–549（309 aa）
Not recorded GOL GLYCEROL × 4 X-RAY DIFFRACTION
X-ray crystallization conditions VAPOR DIFFUSION, SITTING DROP；278.15 K；0.1 M Bicine pH 9.0, 10% w/v PEG 20k, 2% v/v Dioxane
Resolution 2.55 Å R-free 0.247

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.