Multiple Assemblies exist for SMTL entry 3rdm
Crystal structure of R7-2 streptavidin complexed with biotin/PEG; X-RAY DIFFRACTION 1.60 Å

SMTL ID
3rdm.1
Ligands
PENTAETHYLENE GLYCOL; BIOTIN
Polypeptides
Streptavidin
Oligo-state
monomer
SMTL ID
3rdm.2
Ligands
PENTAETHYLENE GLYCOL; BIOTIN
Polypeptides
Streptavidin
Oligo-state
homo-tetramer