High-resolution AFM imaging of single-stranded DNA-binding (SSB) protein--DNA complexes
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![Figure 1. AFM images of M13 ssDNA–E. coli SSB on mica with a concentration ratio R [¼(SSB tetramers)/(nucleotides)] equal to 1/30 in (a) Tris 20 mM pH 7.5, NaCl 20 mM, MgCl 2 10 mM and, (b) Tris 20 mM pH 7.5, NaCl 20 mM, SpdCl 3 50 mM (scale bars 500 nm).](https://thumb-eu.123doks.com/thumbv2/123doknet/13215250.393578/4.918.196.748.108.319/figure-images-ssdna-concentration-ratio-tetramers-nucleotides-spdcl.webp)
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