Structural and biochemical analysis of subunit assembly, DNA recognition and cleavage by a Type IIB restriction-modification enzyme: BsaXI

Quaternary complex of RM, S and DNA complex

site-specific DNA-methyltransferase (adenine-specific)

Type I restriction modification DNA specificity domain-containing protein

MKNWQRIVEAKLEQQKHKVAEISLENGTVNYSKKIKHNRNLKALTGDEEIVRAFLIDRLVNELDYKPEYLETEKEYTIKG
GHSKINPRVDVLVKDDKGNPFFFIEVKAPNKFEEDKDEIEGQLFALAQAEERDFKTKVKYLVYYTVELIDDEIVDRAIII
DFEKYPTYTDWSNGGFISTGTELTAGYGEPKKQPLIKGHEKYDLRVRIDREEIEGLGRNLHNVLWGGGGTNDSEIFYSLV
NIILAKIQDEYEKEDGQEYDFQVYQYGDNVESPQKLFDRINALYKRALREQLNVTDEQKIAEDNVINRNKFPLNKLVYTV
QALESLSFLEGRNSLDGKDILGDFFESIIRDGFKQTKGQFFTPTPIVKFILYALQLDKLAIDRLNNDRELPLIIDPSAGS
GTFLIEAMKLITKEVKYKQNHKVKSSRQITKRFEELFMPDHNENKWAREYLYGCEINFDLGTASKVNMILHGDGSANIFV
QDGLLPFRFYVKETSPNYLETASPDALYGDKEVNGKFDVVVSNPPFSVDLDTQTQREVRNAFLFGDKKNSENLFIERYYQ
LLKEGGRLGVVLPESVFDTTENKYIRLFIFKYFKVKAVVSLPQVTFEPFTSTKTSLLFAQKKTKEEVEQWNELWDKYGKE
WSLLKTRINDYFSYFVKGRPLNKKWAPDVVKDIQEGNEDNIRKNIFRFLKDHIKEEDKNLEIKDLLIKYAEEISSISKHE
KETDVFGFYNAWWVFGEVAKELDYPIFMAEAENVGYKRTKKGEKPMPNDLYDLEYAPSTLDCEKVLSSFDIEINALEASK
TKLSVEKGLLEEKLKDKEDKENEKIQKRLNKISELLETIENQLDSIRSKKLEVEGILEKYYENNKLKEEYSERDDEELIN
HFKHGVLYQYRSEDILLRNKTVHKILDEIRQGVIWD

MGLIQRRNFSTFASEPSVRFDFNYMKSVTPTTEEYYTYKSLFEVVPSTVPTLDESEPFKYAEIGHVSKNGEVFPVTLSFE
DRDELNEDLFKKIEKGDIFLPERGNILISAIRPYLNKIVLIKEDDKTDIYFTKAFIQIKPLINSRILYYALRTIFSEKIN
AVSRQGKGYPTLKEDDLKTIQFSKKVIDNLLAKEEELISNIDALEKDIKELKSIQRSKKEIVDEVFSSHFNINMVELMAL
DSQRRVDVGLSSISSLNSTIRYSYRWNKMKLIQKYLYRDIDCIEPLGKYILSSNNGWSPESVVGGEGIPILGQEHLEFDG
VLNVSPTKATTKTKNNMENFFIQEGDLFISRGNTVDLVGLACVVETEVTEDIIYPDLYIRLKIDEKVIHKKYLALLFNSF
FGRLYFKYVSKGKNQTMVKISSNELLNYYLPIPPMEEQLEIVGKIEEQIGAQNEIEKQIEEKRNQIRVIIEETARS

(DC)(DT)(DA)(DG)(DC)(DT)(DT)(DA)(DT)(DT)(DA)(DA)(DT)(DT)(DC)(DC)(DA)(DT)(DA)(DT)
(DG)(DG)(DA)(DG)(DA)(DC)(DT)(DT)(DG)(DG)(DT)(DT)(DC)(DC)(DG)(DA)(DC)(DA)(DA)(DT)
(DA)(DT)(DT)(DC)(DA)(DG)(DC)(DT)(DT)(DA)(DT)(DT)

National Institutes of Health/National Institute of General Medical Sciences (NIH/NIGMS)

restriction nuclease, restriction-modification systems, Type IIB, R-M complex, DNA BINDING PROTEIN, DNA BINDING PROTEIN-DNA complex

MKNWQRIVEAKLEQQKHKVAEISLENGTVNYSKKIKHNRNLKALTGDEEIVRAFLIDRLVNELDYKPEYLETEKEYTIKG
GHSKINPRVDVLVKDDKGNPFFFIEVKAPNKFEEDKDEIEGQLFALAQAEERDFKTKVKYLVYYTIELIDDEIVDRAIII
DFEKYPTYTDWSNGGFISTGTELTAGYGEPKKQPLIKGHEKYDLRVRIDREEIEGLGRNLHNVLWGGGGTNDSEIFYSLV
NIILAKIQDEYEKEDGQEYDFQVYQYGDNVESPQKLFDRINALYKRALREQINVTDEQKIAEDNVINRNKFPLNKLVYTV
QALESLSFLEGRNSLDGKDILGDFFESIIRDGFKQTKGQFFTPTPIVKFILYALQLDKLAIDRLNNDRELPLIIDPSAGS
GTFLIEAMKLITKEVKYKQNHKVKSSRQITKRFEELFMPDHNENKWAREYLYGCEINFDLGTASKVNMILHGDGSANIFV
QDGLLPFRFYVKETSPNYLETASPDALYGDKEVNGKFDVVVSNPPFSVDLDTQTQREVRNAFLFGDKKNSENLFIERYYQ
LLKEGGRLGVVLPESVFDTTENKYIRLFIFKYFKVKAVVSLPQVTFEPFTSTKTSLLFAQKKTKEEVEQWNELWDKYGKE
WSLLKTRINDYFSYFVKGRPLNKKWAPDVVKDIQEGNEDNIRKNIFRFLKDHIKEEDKNLEIKDLLIKYAEEISSISKHE
KETDVFGFYNAWWVFGEVAKELDYPIFMAEAENVGYKRTKKGEKPMPNDLYDLEYAPSTLDCEKVLSSFDIEINALEASK
TKLSVEKGLLEEKLKDKEDKENEKIQKRLNKISELLETIENQLDSIRSKKLEVEGILEKYYENNKLKEEYSERDDEELIN
HFKHGVLYQYRSEDILLRNKTVHKILDEIRQEVIWD

MGLIQRRNFSTFASEPSVRFDFNYMKSVTPTTEEYYTYKSLFEVVPSTVPTLDESEPFKYAEIGHVSKNGEVFPVTLSFE
DRDELNEDLFKKIEKGDIFLPERGNILISAIRPYLNKIVLIKEDDETDIYFTKAFIQIKPLINSRILYYALRTIFSEKIN
AVSRQGKGYPTLKEDDLKTIQFSKKVIDNLLAKEEELISNIDALEKDIKELKSIQRSKKEIVDEVFSSHFNINMVELMAL
DSQRRVDVGLSSISSLNSTIRYSYRWNKMKLIQKYLYRDIDCIEPLGKYILSSNNGWSPESVVGGEGIPILGQEHLEFDG
VLNVSPTKATTKTKNNMENFFIQEGDLFISRGNTVDLVGLACVVETEVTEDIIYPDLYIRLKIDEKVIHKKYLALLFNSF
FGRLYFKYVSKGKNQTMVKISSNELLNYYLPIPPMEQQLEIVGKIEEQIGAQNEIEKQIEEKRNQIRVIIEETARS