2026-02-28_00000073|hard|9IU5

Cryo-EM structure of the large serine recombinase Bxb1 in complex with attP and attB (CA/CA CDN) in the post-strand exchange state; Electron microscopy 3.63Å
Protein #1 500 residues (97% resolved)

MRALVVIRLSRVTDATTSPERQLESCQQLCAQRGWDVVGVAEDLDVSGAVDPFDRKRRPNLARWLAFEEQPFDVIVAYRVDRLTRSIRHLQQLVHWAEDHKKLVVSATEAHFDTTTPFAAVVIALMGTVAQMELEAIKERNRSAAHFNIRAGKYRGSLPPWGYLPTRVDGEWRLVPDPVQRERILEVYHRVVDNHEPLHLVAHDLNRRGVLSPKDYFAQLQGREPQGREWSATALKRSMISEAMLGYATLNGKTVRDDDGAPLVRAEPILTREQLEALRAELVKTSRAKPAVSTPSLLLRVLFCAVCGEPAYKFAGGGRKHPRYRCRSMGFPKHCGNGTVAMAEWDAFCEEQVLDLLGDAERLEKVWVAGSDSAVELAEVNAELVDLTSLIGSPAYRAGSPQREALDARIAALAARQEELEGLEARPSGWEWRETGQRFGDWWREQDTAAKNTWLRSMNVRLTFDVRGGLTRTIDFGDLQEYEQHLRLGSVVERLHTGMS

MRALVVIRLSRVTDATTSPERQLESCQQLCAQRGWDVVGVAEDLDVSGAVDPFDRKRRPNLARWLAFEEQPFDVIVAYRVDRLTRSIRHLQQLVHWAEDHKKLVVSATEAHFDTTTPFAAVVIALMGTVAQMELEAIKERNRSAAHFNIRAGKYRGSLPPWGYLPTRVDGEWRLVPDPVQRERILEVYHRVVDNHEPLHLVAHDLNRRGVLSPKDYFAQLQGREPQGREWSATALKRSMISEAMLGYATLNGKTVRDDDGAPLVRAEPILTREQLEALRAELVKTSRAKPAVSTPSLLLRVLFCAVCGEPAYKFAGGGRKHPRYRCRSMGFPKHCGNGTVAMAEWDAFCEEQVLDLLGDAERLEKVWVAGSDSAVELAEVNAELVDLTSLIGSPAYRAGSPQREALDARIAALAARQEELEGLEARPSGWEWRETGQRFGDWWREQDTAAKNTWLRSMNVRLTFDVRGGLTRTIDFGDLQEYEQHLRLGSVVERLHTGMS
DNA #2 27 bases

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

GTGGTTTGTCTGGTCAACCACCGCGGT
DNA #3 25 bases

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

CTCAGTGGTGTACGGTACAAACCCA
DNA #4 25 bases

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

CGCGGTGGTTGACCAGACAAACCAC
DNA #5 27 bases

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

TGGGTTTGTACCGTACACCACTGAGAC
DNA #6 24 bases

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

GGCCGGCTTGTCGACGACGGCGCA
DNA #7 22 bases

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

CTCCGTCGTCAGGATCATCCGG
DNA #8 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
DNA #9 24 bases

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

CCGGATGATCCTGACGACGGAGAC
Non polymer #10 ZN

InChI=1S/Zn/q+2

[Zn+2]
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Reference