2026-02-14_00000554|hard|9YZA

Isoreticular co-crystal 1 of protein variant Replication Initiator Protein REPE54 (L53G, Q54G, E55G) with symmetrical expanded duplex (31mer) containing insert sequence CCCGGCCGGA; X-ray diffraction 3.05Å
DNA #1 31 bases

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

GCCGGACCTGTGACAAATTGCCCTCAGCCCG
DNA #2 31 bases

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

CCGGGCTGAGGGCAATTTGTCACAGGTCCGG
Protein #3 263 residues (83% resolved)

MRGSHHHHHHGSMAETAVINHKKRKNSPRIVQSNDLTEAAYSLSRDQKRMLYLFVDQIRKSDGTGGGHDGICEIHVAKYAEIFGLTSAEASKDIRQALKSFAGKEVVFYRPEEDAGDEKGYESFPWFIKPAHSPSRGLYSVHINPYLIPFFIGLQNRFTQFRLSETKEITNPYAMRLYESLCQYRKPDGSGIVSLKIDWIIERYQLPQSYQRMPDFRRRFLQVCVNEINSRTPMRLSYIEKKKGRQTTHIVFSFRDITSMTTG

MRGSHHHHHHGSMAETAVINHKKRKNSPRIVQSNDLTEAAYSLSRDQKRMLYLFVDQIRKSDGTGGGHDGICEIHVAKYAEIFGLTSAEASKDIRQALKSFAGKEVVFYRPEEDAGDEKGYESFPWFIKPAHSPSRGLYSVHINPYLIPFFIGLQNRFTQFRLSETKEITNPYAMRLYESLCQYRKPDGSGIVSLKIDWIIERYQLPQSYQRMPDFRRRFLQVCVNEINSRTPMRLSYIEKKKGRQTTHIVFSFRDITSMTTG
Non polymer #4 MG

InChI=1S/Mg/q+2

[Mg+2]
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Reference