2026-02-28_00000078|hard|9IUA

Cryo-EM structure of the large serine recombinase Bxb1 in complex with attP and attB (GT/TT CDN) in the pre-strand exchange state (attB-L); Electron microscopy 3.78Å
DNA #1 24 bases

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

GGCCGGCTTGTCGACGACGGCGGT
DNA #2 22 bases

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

CGCCGTCGTCGACAAGCCGGCC
Protein #3 500 residues (35% resolved)

MRALVVIRLSRVTDATTSPERQLESCQQLCAQRGWDVVGVAEDLDVSGAVDPFDRKRRPNLARWLAFEEQPFDVIVAYRVDRLTRSIRHLQQLVHWAEDHKKLVVSATEAHFDTTTPFAAVVIALMGTVAQMELEAIKERNRSAAHFNIRAGKYRGSLPPWGYLPTRVDGEWRLVPDPVQRERILEVYHRVVDNHEPLHLVAHDLNRRGVLSPKDYFAQLQGREPQGREWSATALKRSMISEAMLGYATLNGKTVRDDDGAPLVRAEPILTREQLEALRAELVKTSRAKPAVSTPSLLLRVLFCAVCGEPAYKFAGGGRKHPRYRCRSMGFPKHCGNGTVAMAEWDAFCEEQVLDLLGDAERLEKVWVAGSDSAVELAEVNAELVDLTSLIGSPAYRAGSPQREALDARIAALAARQEELEGLEARPSGWEWRETGQRFGDWWREQDTAAKNTWLRSMNVRLTFDVRGGLTRTIDFGDLQEYEQHLRLGSVVERLHTGMS

MRALVVIRLSRVTDATTSPERQLESCQQLCAQRGWDVVGVAEDLDVSGAVDPFDRKRRPNLARWLAFEEQPFDVIVAYRVDRLTRSIRHLQQLVHWAEDHKKLVVSATEAHFDTTTPFAAVVIALMGTVAQMELEAIKERNRSAAHFNIRAGKYRGSLPPWGYLPTRVDGEWRLVPDPVQRERILEVYHRVVDNHEPLHLVAHDLNRRGVLSPKDYFAQLQGREPQGREWSATALKRSMISEAMLGYATLNGKTVRDDDGAPLVRAEPILTREQLEALRAELVKTSRAKPAVSTPSLLLRVLFCAVCGEPAYKFAGGGRKHPRYRCRSMGFPKHCGNGTVAMAEWDAFCEEQVLDLLGDAERLEKVWVAGSDSAVELAEVNAELVDLTSLIGSPAYRAGSPQREALDARIAALAARQEELEGLEARPSGWEWRETGQRFGDWWREQDTAAKNTWLRSMNVRLTFDVRGGLTRTIDFGDLQEYEQHLRLGSVVERLHTGMS
Non polymer #4 ZN

InChI=1S/Zn/q+2

[Zn+2]
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Reference