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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：W7YHV7 New Search
3PDB entries
3Biological assembly
3chain/assembly records
Main Difference Dimensions in This Set
Different assembly state 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
9XKT Crystal structure of the complex of the GH16 carrageenase SfGH16 from Saccharicrinis fermentans with an oligotetrasaccharide of iota-carrageenan Deposited 2025-11-06 Assembly 1 Other combination Monomer；Protein × 1 PDB declaration: monomeric（1） Consistent with protein count
Chain A 21–284（264 aa）
Not recorded No recorded non-water small molecule X-RAY DIFFRACTION
X-ray crystallization conditions VAPOR DIFFUSION, SITTING DROP；290 K；0.1 M Sodium citrate tribasic dihydrate pH 5.60, 20% v/v 2-Propanol
Resolution 1.44 Å R-free 0.175
9XL7 Crystal structure of the complex of the GH16 carrageenase SfGH16 from Saccharicrinis fermentans with an oligotetrasaccharide of kappa-carrageenan Deposited 2025-11-07 Assembly 1 Other combination Monomer；Protein × 1 PDB declaration: monomeric（1） Consistent with protein count
Chain A 21–284（264 aa）
Not recorded No recorded non-water small molecule X-RAY DIFFRACTION
X-ray crystallization conditions VAPOR DIFFUSION, SITTING DROP；290 K；0.2 M Sodium citrate tribasic dihydrate, 20% w/v Polyethylene glycol 3,350
Resolution 1.70 Å R-free 0.204
9XLC Crystal structure of the GH16 carrageenase SfGH16 from Saccharicrinis fermentans Deposited 2025-11-07 Assembly 1 Protein monomer Monomer；Protein × 1 PDB declaration: monomeric（1） Consistent with protein count
Chain A 21–284（264 aa）
Not recorded No recorded non-water small molecule X-RAY DIFFRACTION
X-ray crystallization conditions VAPOR DIFFUSION, SITTING DROP；290 K；0.1M Bis-Tris pH5.5, 25%PEG3350, 0.2M ammonium acetate
Resolution 2.00 Å R-free 0.241

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.