ID   T257_ECOLI     STANDARD;      PRT;   997 AA.
AC   P25239;
DT   01-MAY-1992 (REL. 22, CREATED)
DT   01-MAY-1992 (REL. 22, LAST SEQUENCE UPDATE)
DT   01-MAY-1992 (REL. 22, LAST ANNOTATION UPDATE)
DE   TYPE IIS RESTRICTION ENZYME ECO57I (EC 3.1.21.4) (ENDONUCLEASE
DE   ECO57I).
GN   ECO57IR.
OS   ESCHERICHIA COLI.
OC   PROKARYOTA; GRACILICUTES; SCOTOBACTERIA; FACULTATIVELY ANAEROBIC RODS;
OC   ENTEROBACTERIACEAE.
RN   [1]
RP   SEQUENCE FROM N.A.
RC   STRAIN=RFL57;
RA   JANULAITIS A.A., VAISVILA R., TIMINSKAS A., KLIMASAUSKAS S.,
RA   BUTKUS V.;
RL   SUBMITTED (XXX-1991) TO EMBL/GENBANK/DDBJ DATA BANKS.
CC   -!- CATALYTIC ACTIVITY: RECOGNIZES THE DOUBLE-STRANDED SEQUENCES
CC       CTGAAG AND CTTCAG AND CLEAVES RESPECTIVELY 22 BASES AFTER C-1
CC       AND 14 BASES BEFORE C-1.
CC   -!- CATALYTIC ACTIVITY: S-ADENOSYL-L-METHIONINE + DNA ADENINE =
CC       S-ADENOSYL-L-HOMOCYSTEINE + DNA 6-METHYLAMINOPURINE.
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DR   EMBL; M74821; EC571MR.
DR   REBASE; ECO57I; RELEASE 9212.
DR   PROSITE; PS00092; N6_MTASE.
KW   HYDROLASE; ENDONUCLEASE; NUCLEASE; TRANSFERASE; METHYLTRANSFERASE;
KW   MULTIFUNCTIONAL ENZYME; RESTRICTION SYSTEM.
SQ   SEQUENCE   997 AA;  116709 MW;  5315720 CN;
     MNKKDQLQRL IDKYKSDIDY YRSARYNETQ LRTDFLDQLF LLLGWDITNA AGKPTNEREV
     LVEEGLKARA GENTKKPDYT FRLFSERKFF LEAKKPSVDI STTIEPALQV RRYGFTAKLK
     ISVLSNFEYT AIYDCSNQVK ETDSVANSRI KLYHFTELVD KFDEINNLIG RESVYTGHFD
     NEWSEIENKI LRFSVDDLFL KQINDWGLLL ANEFLQIKNE LPEEKLNDLV QNYINSIVFL
     RVCEDRDLEE YETLYHFAQD KDFQSLVKKL KSSDKKYNSG LFSLEYIDEL LSNANSCIEH
     HRTIILPHKA HTLSLFSLLI FLGNIYEIFL SEKVRIDELG NVKIQPKEEH IDRDVVTTPT
     HIVKEIIRNT VVEYCKGKSD IEILNSKFAD IACGSGAFII VAFQFIQDIL IDYYIQNDKS
     KLQQISEHTY KLKFEVKREI LCKCIYGIDK DYNATKACTF GLLLKLLEGE TTETIGKDTP
     ILPALDTNIL FGNSLIDSGD KVKQEDIFSI NPFDLTNYQF DVIVGNPPYM ATEHMNQLTP
     KELDIYKRKY KSAYKQFDKY FLFIERSIQI LKEYGYLGYI LPSRFIKVDA GKKLRKFLSE
     NKYLSKLISF GSHQVFKNKT TYTCLLFLNK ENHDNFSFYE VKDNKKWLTR EDKYLLSSTY
     QTSSLDSDTW VLEKKINDIL KLMFSKSEQL GNIVGKSNVA NGIQTSANKY YIHKEIKSEN
     GFIYFEYDGI EYHIEKELTR PYFETNRSGD DSFYTYKDVE PNSFVVYPYK KVGERIQFIE
     YDELKRQYPK LFEFLQVVKV HLNDKKRSIK PDPTGLMMVQ IRRSQALENC DVDQKLIVGI
     LSNGYKYSID NHRTFVSSGG TAGYSIINIP NNVRYSIYYI QAILTSKYLE WFASIYGDIF
     RGRFVARGTK VQTRMPIPTI DFDDPKQKEI HDTISSKQQY LNKLYSQTQK SADRDKIIFE
     RQFEQEKIQM DYLIKNLFDL GDLDSEIPTV EDLYKNL
//