2026-01-24_00000333|ligand|9Y1B

WT human DNA polymerase beta, Ternary complex dC:dGmpCpp; X-ray diffraction 1.90Å
Protein #1 335 residues (97% resolved)

MSKRKAPQETLNGGITDMLTELANFEKNVSQAIHKYNAYRKAASVIAKYPHKIKSGAEAKKLPGVGTKIAEKIDEFLATGKLRKLEKIRQDDTSSSINFLTRVSGIGPSAARKFVDEGIKTLEDLRKNEDKLNHHQRIGLKYFGDFEKRIPREEMLQMQDIVLNEVKKVDSEYIATVCGSFRRGAESSGDMDVLLTHPSFTSESTKQPKLLHQVVEQLQKVHFITDTLSKGETKFMGVCQLPSKNDEKEYPHRRIDIRLIPKDQYYCGVLYFTGSDIFNKNMRAHALEKGFTINEYTIRPLGVTGVAGEPLPVDSEKDIFDYIQWKYREPKDRSE

MSKRKAPQETLNGGITDMLTELANFEKNVSQAIHKYNAYRKAASVIAKYPHKIKSGAEAKKLPGVGTKIAEKIDEFLATGKLRKLEKIRQDDTSSSINFLTRVSGIGPSAARKFVDEGIKTLEDLRKNEDKLNHHQRIGLKYFGDFEKRIPREEMLQMQDIVLNEVKKVDSEYIATVCGSFRRGAESSGDMDVLLTHPSFTSESTKQPKLLHQVVEQLQKVHFITDTLSKGETKFMGVCQLPSKNDEKEYPHRRIDIRLIPKDQYYCGVLYFTGSDIFNKNMRAHALEKGFTINEYTIRPLGVTGVAGEPLPVDSEKDIFDYIQWKYREPKDRSE
DNA #2 16 bases

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

CCGACCGCGCATCAGC
DNA #3 10 bases

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

GCTGATGCGC
DNA #4 5 bases

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

GTCGG
Non polymer #5 1GC

InChI=1S/C11H18N5O12P3/c12-11-14-9-8(10(18)15-11)13-3-16(9)7-1-5(17)6(27-7)2-26-29(19,20)4-30(21,22)28-31(23,24)25/h3,5-7,17H,1-2,4H2,(H,19,20)(H,21,22)(H2,23,24,25)(H3,12,14,15,18)/t5-,6+,7+/m0/s1

c1nc2c(n1[C@H]3C[C@@H]([C@H](O3)CO[P@@](=O)(C[P@](=O)(O)OP(=O)(O)O)O)O)N=C(NC2=O)N
Non polymer #6 CL

InChI=1S/ClH/h1H/p-1

[Cl-]
Non polymer #7 MG

InChI=1S/Mg/q+2

[Mg+2]
Non polymer #8 NA

InChI=1S/Na/q+1

[Na+]
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Reference