2357 -OEChem-04030813132D 1 0 0 0 0 0 0 0 0999 V2000 0.0000 0.0000 0.0000 S 0 0 0 0 0 0 0 0 0 0 0 0 M END > 0 > 0 > 2357 > 1 > BioCyc > CPD-249 > TYPES - Unclassified-Compounds COMMENT - The precise nature of this sulfur donor has been unidentified to date - it is not elemental sulfur or an iron-sulfur cluster. Is a reactant or product of enzyme EC 2.8.1.6 > (S) 7704-34-9 CPD-249 sulfur donor > 7704-34-9 > CPD-249 > 7642583 8076639 8142361 9862460 10526175 10785391 > 2506981 16128743 > http://biocyc.org > http://biocyc.org/META/NEW-IMAGE?type=COMPOUND&object=CPD%2D249 > 402 1 $$$$