2RTK
STREPTAVIDIN-GLYCOLURIL COMPLEX, PH 2.58, SPACE GROUP I4122 PREPARED FROM AN APOSTREPTAVIDIN CRYSTAL
Summary for 2RTK
Entry DOI | 10.2210/pdb2rtk/pdb |
Descriptor | STREPTAVIDIN, ACETATE ION, SULFATE ION, ... (5 entities in total) |
Functional Keywords | biotin-binding protein, streptavidin-small molecule ligand, designed small molecule ligand with micromolar affinity |
Biological source | Streptomyces avidinii |
Cellular location | Secreted: P22629 |
Total number of polymer chains | 1 |
Total formula weight | 14478.55 |
Authors | Katz, B.A. (deposition date: 1997-09-11, release date: 1998-10-14, Last modification date: 2024-02-21) |
Primary citation | Katz, B.A. Binding of biotin to streptavidin stabilizes intersubunit salt bridges between Asp61 and His87 at low pH. J.Mol.Biol., 274:776-800, 1997 Cited by PubMed: 9405158DOI: 10.1006/jmbi.1997.1444 PDB entries with the same primary citation |
Experimental method | X-RAY DIFFRACTION (1.82 Å) |
Structure validation
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