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eco57IR

Gene
eco57IR
Protein
Type IIS restriction enzyme Eco57I
Organism
Escherichia coli
Length
998 amino acids
Function
Recognizes the double-stranded sequences CTGAAG and CTTCAG and cleaves respectively 22 bases after C-1 and 14 bases before C'-1. Also acts as a methylase that causes specific methylation on A-5 on one strand, the other strand being methylated by the Eco57IB methylase.
Mass
117.087 kDa
Sequence
MNKKDQLQRLIDKYKSDIDYYRSARYNETQLRTDFLDQLFLILGWDITNAAGKPTNEREVLVEEGLKARAGENTKKPDYTFRLFSERKFFLEAKKPSVDISTTIEPALQVRRYGFTAKLKISVLSNFEYTAIYDCSNQVKETDSVANSRIKLYHFTELVDKFDEINNLIGRESVYTGHFDNEWSEIENKILRFSVDDLFLKQINDWRLLLANEFLQIKNELPEEKLNDLVQNYINSIVFLRVCEDRDLEEYETLYHFAQDKDFQSLVKKLKSSDKKYNSGLFSLEYIDELLSNANSCIWSIIEQLYFPQSTYSFSVFSSDILGNIYEIFLSEKVRIDELGNVKIQPKEEHIDRDVVTTPTHIVKEIIRNTVVEYCKGKSDIEILNSKFADIACGSGAFIIEAFQFIQDILIDYYIQNDKSKLQQISEHTYKLKFEVKREILCKCIYGIDKDYNATKACTFGLLLKLLEGETTETIGKDTPILPALDTNILFGNSLIDSGDKVKQEDIFSINPFDLTNYQFDVIVGNPPYMATEHMNQLTPKELDIYKRKYKSAYKQFDKYFLFIERSIQILKEYGYLGYILPSRFIKVDAGKKLRKFLSENKYLSKLISFGSHQVFKNKTTYTCLLFLNKENHDNFSFYEVKDFKKWLTREDKYLLSSTYQTSSLDSDTWVLEKKINDILKLMFSKSEQLGNIVGKSNVANGIQTSANKYYIHKEIKSENGFIYFEYDGIEYHIEKELTRPYFETNRSGDDSFYTYKDVEPNSFVVYPYKKVGERIQFIEYDELKRQYPKLFEFLQVVKVHLNDKKRSIKPDPTGPNEWYRYGRSQALENCDVDQKLIVGILSNGYKYSIDNHRTFVSSGGTAGYSIINIPNNVRYSIYYIQAILTSKYLEWFASIYGDIFRGRFVARGTKVQTRMPIPTIDFDDPKQKEIHDTISSKQQYLNKLYSQTQKSADRDKIIFERQFEQEKIQMDYLIKNLFDLGDLDSEIPTVEDLYKNL