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TitleDioxane Bridge Formation during the Biosynthesis of Spectinomycin Involves a Twitch Radical S -Adenosyl Methionine Dehydrogenase That May Have Evolved from an Epimerase.
Journal, issue, pagesJ. Am. Chem. Soc., Vol. 144, Page 9910-9919, Year 2022
Publish dateFeb 19, 2022 (structure data deposition date)
AuthorsZhang, J. / Hou, X. / Chen, Z. / Ko, Y. / Ruszczycky, M.W. / Chen, Y. / Zhou, J. / Liu, H.W.
External linksJ. Am. Chem. Soc. / PubMed:35622017
MethodsX-ray diffraction
Resolution1.89931293521 - 2.02027524648 Å
Structure data

PDB-7wzv:
The structure of a Twitch Radical SAM Dehydrogenase SpeY
Method: X-RAY DIFFRACTION / Resolution: 1.89931293521 Å

PDB-7wzx:
The structure of a Twitch Radical SAM Dehydrogenase SpeY
Method: X-RAY DIFFRACTION / Resolution: 1.98001304567 Å

PDB-7x0b:
The structure of a Twitch Radical SAM Dehydrogenase SpeY
Method: X-RAY DIFFRACTION / Resolution: 2.02027524648 Å

Chemicals

ChemComp-SF4:
IRON/SULFUR CLUSTER

ChemComp-SAM:
S-ADENOSYLMETHIONINE

ChemComp-7P8:
(1~{S},2~{R},4~{S},5~{R})-2,4-bis(methylamino)-6-[(2~{S},3~{R},4~{S},6~{R})-6-methyl-3,4-bis(oxidanyl)oxan-2-yl]oxy-cyclohexane-1,3,5-triol

ChemComp-SO4:
SULFATE ION

ChemComp-NA:
Unknown entry

ChemComp-GOL:
GLYCEROL

ChemComp-CL:
Unknown entry

ChemComp-EDO:
1,2-ETHANEDIOL

ChemComp-HOH:
WATER

ChemComp-7PK:
(2~{S},4~{S},6~{R})-2-[(2~{S},3~{R},5~{S},6~{R})-3,5-bis(methylamino)-2,4,6-tris(oxidanyl)cyclohexyl]oxy-6-methyl-4-oxidanyl-oxan-3-one

Source
  • streptomyces spectabilis (bacteria)
KeywordsBIOSYNTHETIC PROTEIN / Twitch Radical SAM Dehydrogenase; Spectinomycin; X-ray crystallography / Spectinomycin / Twitch Radical SAM Dehydrogenase / Epimerase

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