1R22

Crystal structure of the cyanobacterial metallothionein repressor SmtB (C14S/C61S/C121S mutant) in the Zn2alpha5-form

Summary for 1R22

• Entry DOI: 10.2210/pdb1r22/pdb
• Related: 1R1T 1R1U 1R1V 1R23 1SMT
• Descriptor: Transcriptional repressor smtB, ZINC ION (3 entities in total)
• Functional Keywords: zinc, dna binding protein, transcriptional regulation, winged hth protein, transcription repressor
• Biological source: Synechococcus elongatus PCC 7942
• Total number of polymer chains: 2
• Total formula weight: 27157.37

Authors

Eicken, C.,Pennella, M.A.,Chen, X.,Koshlap, K.M.,VanZile, M.L.,Sacchettini, J.C.,Giedroc, D.P. (deposition date: 2003-09-25, release date: 2004-05-18, Last modification date: 2024-02-14)

• Primary citation: Eicken, C.,Pennella, M.A.,Chen, X.,Koshlap, K.M.,VanZile, M.L.,Sacchettini, J.C.,Giedroc, D.P.; A metal-ligand-mediated intersubunit allosteric switch in related SmtB/ArsR zinc sensor proteins.; J.Mol.Biol., 333:683-695, 2003; PubMed: 14568530; DOI: 10.1016/j.jmb.2003.09.007

Experimental method

X-RAY DIFFRACTION (2.3 Å)