Structure Database (LMSD)
Common Name
12-oxo-LTB4
Systematic Name
5S-hydroxy-12-keto-6Z,8E,10E,14Z-eicosatetraenoic acid
Synonyms
- 12-oxo-Leukotriene B4
LM ID
LMFA03020024
Formula
Exact Mass
Calculate m/z
334.21441
Sum Composition
Status
Curated
3D model of 12-oxo-LTB4
Please note: Where there are chiral atoms but the stereochemistry is undefined, the 3D model takes an arbitrary conformation
Classification
Biological Context
12-oxo LTB4 is an initial metabolite of LTB4 formed via the LTB4 12-hydroxydehydrogenase pathway.1,2,3 It is rapidly converted to 10,11-dihydro-12-oxo-LTB4, followed by reduction of the 12-oxo group to give 10,11-dihydro-LTB4.2 12-oxo-LTB4 (EC50 = 33 nM) is about 70-fold less potent than LTB4 (EC50 = 0.46 nM) at stimulating Ca2+ mobilization in human neutrophils.4 It is also significantly less potent than LTB4 at stimulating neutrophil migration with EC50 values of 170 and 2.7 nM for 12-oxo-LTB4 and LTB4, respectively.4
This information has been provided by Cayman Chemical
References
1. Wheelan, P., Zirrolli, J.A., Morelli, J.G., et al. Metabolism of leukotriene B4 by cultural human keratinocytes. Formation of glutathione conjugates and dihydro metabolites. The Journal of Biological Chemisty 268, 25439-25448 (1993).
2. Yokomizo, T., Izumi, T., Takahashi, T., et al. Enzymatic inactivation of leukotriene B4 by a novel enzyme found in the porcine kidney. Purification and properties of leukotriene B4 12-hydroxydehydrogenase. The Journal of Biological Chemisty 268, 18128-18135 (1993).
4. Wainwright, S.L., and Powell, W.S. Mechanism for the formation of dihydro metabolites of 12-hydroxyeicosanoids conversion of leukotriene B4 and 12-hydroxy-5,8,10,14-eicosatetraenoic acid to 12-oxo intermediates. The Journal of Biological Chemisty 266(31), 20899-20906 (1991).
References
String Representations
InChiKey (Click to copy)
SJVWVCVZWMJXOK-NOJHDUNKSA-N
InChi (Click to copy)
InChI=1S/C20H30O4/c1-2-3-4-5-6-9-13-18(21)14-10-7-8-11-15-19(22)16-12-17-20(23)24/h6-11,14-15,19,22H,2-5,12-13,16-17H2,1H3,(H,23,24)/b8-7+,9-6-,14-10+,15-11-/t19-/m1/s1
SMILES (Click to copy)
C(C(=O)/C=C/C=C/C=C\[C@@H](O)CCCC(O)=O)/C=C\CCCCC
Other Databases
KEGG ID
HMDB ID
CHEBI ID
LIPIDBANK ID
XPR3111
PubChem CID
Cayman ID
Calculated Physicochemical Properties
Heavy Atoms
24
Rings
0
Aromatic Rings
0
Rotatable Bonds
14
Van der Waals Molecular Volume
373.88
Topological Polar Surface Area
74.60
Hydrogen Bond Donors
2
Hydrogen Bond Acceptors
4
logP
4.65
Molar Refractivity
98.33
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Created at
-
Updated at
21st Apr 2022