Structure of DNA binding domain of McrBC endonuclease bound to DNA: Y41F-L68Y double mutant

2-Gaussian fit: Grosse-Kunstleve RW, Sauter NK, Adams PD: Newsletter of the IUCr Commission on Crystallographic Computing 2004, 3, 22-31.

Structural basis of target recognition by the DNA binding domain of McrBC

Type IV methyl-directed restriction enzyme EcoKMcrB subunit

DNA (5'-D(*GP*AP*GP*AP*CP*CP*GP*GP*TP*AP*GP*C)-3')

DNA (5'-D(*GP*CP*TP*AP*CP*CP*GP*GP*TP*CP*TP*C)-3')

EcoKMcrBC,5-methylcytosine-specific restriction enzyme B

MESIQPWIEKFIKQAQQQRSQSTKDYPTSYRNLRVKLSFGFGNFTSIPWFAFLGEGQEASNGIYPVIYYYKDFDELVLAY
GISDTNEPHAQWQFSSDIPKTIAEYFQATSGVYPKKYGQSYYACSQKVSQGIDYTRFASMLDNIINDYKLIFNSGKSVIP
PLEGHHHHHH

McrB-NTD, 5-methylcytosine, restriction endonuclease, DNA BINDING PROTEIN

MESIQPWIEKFIKQAQQQRSQSTKDYPTSYRNLRVKLSFGYGNFTSIPWFAFLGEGQEASNGIYPVILYYKDFDELVLAY
GISDTNEPHAQWQFSSDIPKTIAEYFQATSGVYPKKYGQSYYACSQKVSQGIDYTRFASMLDNIINDYKLIFNSGKSVIP
P