2026-02-28_00000070|hard|9IU2

Cryo-EM structure of the large serine recombinase Bxb1 in complex with attP and attB (GT/TT CDN) in the pre-strand exchange state; Electron microscopy 3.22Å
Protein #1 500 residues (97% resolved)

MRALVVIRLSRVTDATTSPERQLESCQQLCAQRGWDVVGVAEDLDVSGAVDPFDRKRRPNLARWLAFEEQPFDVIVAYRVDRLTRSIRHLQQLVHWAEDHKKLVVSATEAHFDTTTPFAAVVIALMGTVAQMELEAIKERNRSAAHFNIRAGKYRGSLPPWGYLPTRVDGEWRLVPDPVQRERILEVYHRVVDNHEPLHLVAHDLNRRGVLSPKDYFAQLQGREPQGREWSATALKRSMISEAMLGYATLNGKTVRDDDGAPLVRAEPILTREQLEALRAELVKTSRAKPAVSTPSLLLRVLFCAVCGEPAYKFAGGGRKHPRYRCRSMGFPKHCGNGTVAMAEWDAFCEEQVLDLLGDAERLEKVWVAGSDSAVELAEVNAELVDLTSLIGSPAYRAGSPQREALDARIAALAARQEELEGLEARPSGWEWRETGQRFGDWWREQDTAAKNTWLRSMNVRLTFDVRGGLTRTIDFGDLQEYEQHLRLGSVVERLHTGMS

MRALVVIRLSRVTDATTSPERQLESCQQLCAQRGWDVVGVAEDLDVSGAVDPFDRKRRPNLARWLAFEEQPFDVIVAYRVDRLTRSIRHLQQLVHWAEDHKKLVVSATEAHFDTTTPFAAVVIALMGTVAQMELEAIKERNRSAAHFNIRAGKYRGSLPPWGYLPTRVDGEWRLVPDPVQRERILEVYHRVVDNHEPLHLVAHDLNRRGVLSPKDYFAQLQGREPQGREWSATALKRSMISEAMLGYATLNGKTVRDDDGAPLVRAEPILTREQLEALRAELVKTSRAKPAVSTPSLLLRVLFCAVCGEPAYKFAGGGRKHPRYRCRSMGFPKHCGNGTVAMAEWDAFCEEQVLDLLGDAERLEKVWVAGSDSAVELAEVNAELVDLTSLIGSPAYRAGSPQREALDARIAALAARQEELEGLEARPSGWEWRETGQRFGDWWREQDTAAKNTWLRSMNVRLTFDVRGGLTRTIDFGDLQEYEQHLRLGSVVERLHTGMS
DNA #2 52 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)(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)

GTGGTTTGTCTGGTCAACCACCGCGGTCTCAGTGGTGTACGGTACAAACCCA
DNA #3 52 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)(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)

TGGGTTTGTACCGTACACCACTGAGACCGCGGTGGTTGACCAGACAAACCAC
DNA #4 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 #5 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 #6 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 #7 24 bases

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

CCGGATGATCCTGACGACGGAGTT
Non polymer #8 ZN

InChI=1S/Zn/q+2

[Zn+2]
Download coordinates
Reference