2025-06-21_00000122|hard|9GM3

Crystal structure of the complex formed between the radical SAM protein ChlB and the leader region of its precursor substrate ChlA; X-ray diffraction 1.65Å
Protein #1 375 residues (100% resolved)

MQSNPRLTCFLVKIASRCNLACDYCYMYRHADQSWRLRPSIMSEKHRQLLAKRIAEYVQSENIEEIAVVFHGGEPLLAGAERIVETVSWIRSEVTPFCKVSFSLQTNGVLLNEASLNVFAAEDIGVSLSLDGPEKVNDLHRLDHKGKSSFRAVEAALNRLKDYSQIYAGLIAVIDPAVSPQELLEFFNAHQPPRLDFLLPDANYLRLPPGRNEIPELYVSWLIQAFDLWFDKYPHLPIRSFDAILNALAGLPSETDALGLGDISLLTIETDGTYHDLDVLKITIEGATALGIGLETASIADAAALPQLQEHRKLLRRENLASTCQKCSVVEICGGGSVPHRYGSDGFLHQTVYCREMFALITHARNRLMQQLDDE

MQSNPRLTCFLVKIASRCNLACDYCYMYRHADQSWRLRPSIMSEKHRQLLAKRIAEYVQSENIEEIAVVFHGGEPLLAGAERIVETVSWIRSEVTPFCKVSFSLQTNGVLLNEASLNVFAAEDIGVSLSLDGPEKVNDLHRLDHKGKSSFRAVEAALNRLKDYSQIYAGLIAVIDPAVSPQELLEFFNAHQPPRLDFLLPDANYLRLPPGRNEIPELYVSWLIQAFDLWFDKYPHLPIRSFDAILNALAGLPSETDALGLGDISLLTIETDGTYHDLDVLKITIEGATALGIGLETASIADAAALPQLQEHRKLLRRENLASTCQKCSVVEICGGGSVPHRYGSDGFLHQTVYCREMFALITHARNRLMQQLDDE
Protein #2 77 residues (58% resolved)

MGSSHHHHHHSSGLVPRGSHMLHTTSQSNSNHKENLNNATSSEFSQIIKSLNPKHPALNRVRAKLLAVEKIETAITS

MGSSHHHHHHSSGLVPRGSHMLHTTSQSNSNHKENLNNATSSEFSQIIKSLNPKHPALNRVRAKLLAVEKIETAITS
Non polymer #3 FMT

InChI=1S/CH2O2/c2-1-3/h1H,(H,2,3)

C(=O)O
Non polymer #4 SAH

InChI=1S/C14H20N6O5S/c15-6(14(23)24)1-2-26-3-7-9(21)10(22)13(25-7)20-5-19-8-11(16)17-4-18-12(8)20/h4-7,9-10,13,21-22H,1-3,15H2,(H,23,24)(H2,16,17,18)/t6-,7+,9+,10+,13+/m0/s1

c1nc(c2c(n1)n(cn2)[C@H]3[C@@H]([C@@H]([C@H](O3)CSCC[C@@H](C(=O)O)N)O)O)N
Non polymer #5 SF4

InChI=1S/4Fe.4S

[S]12[Fe]3[S]4[Fe]1[S]5[Fe]2[S]3[Fe]45
Non polymer #6 TRS

InChI=1S/C4H11NO3/c5-4(1-6,2-7)3-8/h6-8H,1-3,5H2/p+1

C(C(CO)(CO)[NH3+])O
Non polymer #7 ZN

InChI=1S/Zn/q+2

[Zn+2]
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Reference