ID   MTB2_BACAM              Reviewed;         265 AA.
AC   P18051;
DT   01-NOV-1990, integrated into UniProtKB/Swiss-Prot.
DT   01-NOV-1990, sequence version 1.
DT   10-AUG-2010, entry version 67.
DE   RecName: Full=Modification methylase BamHII;
DE            Short=M.BamHII;
DE            EC=2.1.1.113;
DE   AltName: Full=N(4)-cytosine-specific methyltransferase BamHII;
GN   Name=bamHIIM;
OS   Bacillus amyloliquefaciens.
OC   Bacteria; Firmicutes; Bacillales; Bacillaceae; Bacillus.
OX   NCBI_TaxID=1390;
RN   [1]
RP   NUCLEOTIDE SEQUENCE [GENOMIC DNA].
RC   STRAIN=H;
RX   MEDLINE=90326538; PubMed=2374727; DOI=10.1093/nar/18.13.4002;
RA   Connaughton J.F., Kaloss W.D., Vanek P.G., Nardone G.A.,
RA   Chirikjian J.G.;
RT   "The complete sequence of the Bacillus amyloliquefaciens proviral H2,
RT   BamHI methylase gene.";
RL   Nucleic Acids Res. 18:4002-4002(1990).
CC   -!- FUNCTION: This methylase recognizes the double-stranded sequence
CC       GGATCC, causes specific methylation on C-5 on both strands, and
CC       protects the DNA from cleavage by the BamHI endonuclease.
CC   -!- CATALYTIC ACTIVITY: S-adenosyl-L-methionine + DNA cytosine = S-
CC       adenosyl-L-homocysteine + DNA N(4)-methylcytosine.
CC   -!- MISCELLANEOUS: This methylase is encoded on the proviral phage H2.
CC   -!- SIMILARITY: Belongs to the N(4)/N(6)-methyltransferase family.
CC       N(4) subfamily.
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DR   EMBL; X53032; CAA37205.1; -; Genomic_DNA.
DR   PIR; S10316; S10316.
DR   ProteinModelPortal; P18051; -.
DR   SMR; P18051; 5-247.
DR   REBASE; 186; M.BamHII.
DR   GO; GO:0003677; F:DNA binding; IEA:InterPro.
DR   GO; GO:0008170; F:N-methyltransferase activity; IEA:InterPro.
DR   GO; GO:0015667; F:site-specific DNA-methyltransferase (cytosi...; IEA:EC.
DR   GO; GO:0032776; P:DNA methylation on cytosine; IEA:InterPro.
DR   GO; GO:0009307; P:DNA restriction-modification system; IEA:UniProtKB-KW.
DR   InterPro; IPR002941; DNA_methylase_N4/N6.
DR   InterPro; IPR017985; MeTrfase_CN4_CS.
DR   InterPro; IPR001091; RM_Methylase.
DR   Pfam; PF01555; N6_N4_Mtase; 1.
DR   PRINTS; PR00508; S21N4MTFRASE.
DR   PROSITE; PS00093; N4_MTASE; 1.
PE   3: Inferred from homology;
KW   Methyltransferase; Restriction system; S-adenosyl-L-methionine;
KW   Transferase.
FT   CHAIN         1    265       Modification methylase BamHII.
FT                                /FTId=PRO_0000087921.
SQ   SEQUENCE   265 AA;  30981 MW;  895A51217A814820 CRC64;
     MKENIGDCTI DLTVTSPPYD DLRNYNGYSF NFEETAQELY RVTKEGGVVV WVVGDKTHKG
     SETGSSFRQA LYFKELGFNL HDTMIYEKDS ISFPDKNRYY QIFEYMFIFS KGKPKTINLL
     ADRKNKWYNG KKHIKGHYRK MDGEKVRHHK QNLLKEFGVR FNIWRIPNGH QKSTLDKIAF
     QHPAIFPEKL AEDHILSWSN EGDIVFDPFM GSGTTAKMAA LNNRKYIGTE ISKEYCDIAN
     ERLKNYIILH KRMEGKGYRL PQVHS
//