2026-02-28_00000076|hard|9IU8

Cryo-EM structure of the large serine recombinase Bxb1 in complex with attP and attB (GT/TT CDN) in the pre-strand exchange state (attP-L); Electron microscopy 3.21Å
Protein #1 500 residues (64% 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
Non polymer #4 ZN

InChI=1S/Zn/q+2

[Zn+2]
Download coordinates
Reference