Molecule: preuroporphyrinogen(8-)

Octaanion of preuroporphyrinogen arising from global deprotonation of the eight carboxy groups; major species at pH 7.3.
Synonyms for preuroporphyrinogen(8-) :
hydroxymethylbilane
preuroporphyrinogen octaanion
Molecular Formula: C40H38N4O17
Molecular wt: 846.74630 g/mole
Charge: -8
SMILES: OCc1[nH]c(Cc2[nH]c(Cc3[nH]c(Cc4[nH]cc(CCC([O-])=O)c4CC([O-])=O)c(CCC([O-])=O)c3CC([O-])=O)c(CCC([O-])=O)c2CC([O-])=O)c(CCC([O-])=O)c1CC([O-])=O
InChIKey: WDFJYRZCZIUBPR-UHFFFAOYSA-F
InChI=1S/C40H46N4O17/c45-17-32-25(12-40(60)61)21(4-8-36(52)53)29(44-32)15-31-24(11-39(58)59)20(3-7-35(50)51)28(43-31)14-30-23(10-38(56)57)19(2-6-34(48)49)27(42-30)13-26-22(9-37(54)55)18(16-41-26)1-5-33(46)47/h16,41-45H,1-15,17H2,(H,46,47)(H,48,49)(H,50,51)(H,52,53)(H,54,55)(H,56,57)(H,58,59)(H,60,61)/p-8
CHEBI:57845
Sample reactions for this molecule:
4 PBGs bind to form HMB
UROS transforms HMB to URO3
HMBL spontaneously transforms to URO1