2026-07-18_00000086|hard|9HXG

Bacterial antiviral defense protein Ec2ApeA from Escherichia coli strain 2-156-04_S4_C1 saturated with pdCpdG dinucleotide (HEPN active site mutant R502A); Electron microscopy 2.43Å
Protein #1 593 residues (98% resolved)

MKFRRLHNWNHIEQCTALIYFTELMEELLFDYTHSTYKPSIMNTPSLCIEAISTIDDIEKGNISPAHISHVIDELTKNIKNDDIAISLLKNPLGSFLDQLQNNQLGNKNLKITLELLRVQLNVGNYESKLISELCSTITSEYNPNKIRKFTRLLITHLISKGLSQEYLMESLKKHFFQREREISSNEEIITFLENIPSETQEYSVYFNAEKSFSYITPCLSQLEIEVVLETPENINETDFFDNHEQRTILVKHVKALDPFTARRVAERNLKLASTLLSLYHHKQEASWSAENIVVSENGEKINIRSSINPMHRCKDLVQEHASRRLEQFMNNFRMRKDSFNKFIRSVQLHSMALQTNAVENQLLNLWIAIESLIPDESKKEEQSTIEHIVNSLTPFLNLNYIEDLVRNLIKDLQRWNHPRTMSLLRLIGDSDAAKSFVILVASQEHAPSINQFKIELSQFPLLKERFEYISNLISSTDTMYQALKNHAERINWQIRRIYRTANLIVHTGKTPSKTNVLVEHAHIYLDAVINSLIKLSSHPVEILSVAQGFRNVEMKYKMYIQKLNKKNIELTPENIISFIFNQLESGHHHHHH

MKFRRLHNWNHIEQCTALIYFTELMEELLFDYTHSTYKPSIMNTPSLCIEAISTIDDIEKGNISPAHISHVIDELTKNIKNDDIAISLLKNPLGSFLDQLQNNQLGNKNLKITLELLRVQLNVGNYESKLISELCSTITSEYNPNKIRKFTRLLITHLISKGLSQEYLMESLKKHFFQREREISSNEEIITFLENIPSETQEYSVYFNAEKSFSYITPCLSQLEIEVVLETPENINETDFFDNHEQRTILVKHVKALDPFTARRVAERNLKLASTLLSLYHHKQEASWSAENIVVSENGEKINIRSSINPMHRCKDLVQEHASRRLEQFMNNFRMRKDSFNKFIRSVQLHSMALQTNAVENQLLNLWIAIESLIPDESKKEEQSTIEHIVNSLTPFLNLNYIEDLVRNLIKDLQRWNHPRTMSLLRLIGDSDAAKSFVILVASQEHAPSINQFKIELSQFPLLKERFEYISNLISSTDTMYQALKNHAERINWQIRRIYRTANLIVHTGKTPSKTNVLVEHAHIYLDAVINSLIKLSSHPVEILSVAQGFRNVEMKYKMYIQKLNKKNIELTPENIISFIFNQLESGHHHHHH
DNA #2 2 bases

(DC)(DG)

CG
Non polymer #3 ZN

InChI=1S/Zn/q+2

[Zn+2]
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Reference