2025-09-13_00000037|ligand|9DG7

Tetrahydroprotoberberine N-methyltransferase E204A mutant in complex with R-reticuline and SAM; X-ray diffraction 2.50Å
Protein #1 383 residues (88% resolved)

MGSSHHHHHHGTGSYITSLYKKAGWMGSNEAQVKKESIGEIMGKLMQGEIGDEELSKRIKEIFGKRLQWGYKPTHQQQLAFNLDFIKSLKEMDMSGEIDTMNEETYELPSAFLEAAFGKTIKQSGCYFKDETTTIDEAEEASHELYCERAQIKDGQTVLDIGCGQGGLVLHIAQKYKNCHVTGLTNSKAQKNYILMQAEKLQLSNVDVILADVTKHESDKTYDRILVIATIEHMKNIQLFMKKLSTWMTEDSLLFVDHICHKTFSHHFEAIDEDDWYSGFIFPKGCVTILSASALLYFQDDVTILDHWVVNGMHMARSVDAWRKKLDKNMELAREILLPGLGSKEAVNGVITHIRTFCMGGYEQFSYNNGEEWMVAQMLFKKK

MGSSHHHHHHGTGSYITSLYKKAGWMGSNEAQVKKESIGEIMGKLMQGEIGDEELSKRIKEIFGKRLQWGYKPTHQQQLAFNLDFIKSLKEMDMSGEIDTMNEETYELPSAFLEAAFGKTIKQSGCYFKDETTTIDEAEEASHELYCERAQIKDGQTVLDIGCGQGGLVLHIAQKYKNCHVTGLTNSKAQKNYILMQAEKLQLSNVDVILADVTKHESDKTYDRILVIATIEHMKNIQLFMKKLSTWMTEDSLLFVDHICHKTFSHHFEAIDEDDWYSGFIFPKGCVTILSASALLYFQDDVTILDHWVVNGMHMARSVDAWRKKLDKNMELAREILLPGLGSKEAVNGVITHIRTFCMGGYEQFSYNNGEEWMVAQMLFKKK
Non polymer #2 A1A4H

InChI=1S/C19H23NO4/c1-20-7-6-13-10-19(24-3)17(22)11-14(13)15(20)8-12-4-5-18(23-2)16(21)9-12/h4-5,9-11,15,21-22H,6-8H2,1-3H3

CN1CCc2cc(c(cc2[C@H]1Cc3ccc(c(c3)O)OC)O)OC
Non polymer #3 SAM

InChI=1S/C15H22N6O5S/c1-27(3-2-7(16)15(24)25)4-8-10(22)11(23)14(26-8)21-6-20-9-12(17)18-5-19-13(9)21/h5-8,10-11,14,22-23H,2-4,16H2,1H3,(H2-,17,18,19,24,25)/t7-,8+,10+,11+,14+,27-/m0/s1

C[S@@+](CC[C@@H](C(=O)[O-])N)C[C@@H]1[C@H]([C@H]([C@@H](O1)n2cnc3c2ncnc3N)O)O
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Reference