3RDX

Crystal structure of ligand-free R7-2 streptavidin

Summary for 3RDX

Entry DOI	10.2210/pdb3rdx/pdb
Related	3RDM 3RDO 3RDQ 3RDS 3RDU 3RE5 3RE6
Descriptor	Streptavidin, GLYCEROL (3 entities in total)
Functional Keywords	streptavidin variants, improved desthiobiotin binding, opened loop destabilization, biotin binding protein
Biological source	Streptomyces avidinii
Cellular location	Secreted: P22629
Total number of polymer chains	2
Total formula weight	32024.86
Authors	Malashkevich, V.N.,Magalhaes, M.,Czecster, C.M.,Guan, R.,Levy, M.,Almo, S.C. (deposition date: 2011-04-02, release date: 2011-07-06, Last modification date: 2023-09-13)
Primary citation	Magalhaes, M.L.,Czekster, C.M.,Guan, R.,Malashkevich, V.N.,Almo, S.C.,Levy, M. Evolved streptavidin mutants reveal key role of loop residue in high-affinity binding. Protein Sci., 20:1145-1154, 2011 Cited by PubMed: 21520321 DOI: 10.1002/pro.642 PDB entries with the same primary citation
Experimental method	X-RAY DIFFRACTION (2.101 Å)

Structure validation