Methoxy arachidonyl fluorophosphonate Names Preferred IUPAC name Methyl [(5Z ,8Z ,11Z ,14Z )-icosa-5,8,11,14-tetraen-1-yl]phosphonofluoridate
Other names MAFP
Identifiers ChEMBL ChemSpider EC Number InChI=1S/C21H36FO2P/c1-3-4-5-6-7-8-9-10-11-12-13-14-15-16-17-18-19-20-21-25(22,23)24-2/h7-8,10-11,13-14,16-17H,3-6,9,12,15,18-21H2,1-2H3/b8-7-,11-10-,14-13-,17-16-
Y Key: KWKZCGMJGHHOKJ-ZKWNWVNESA-N
Y FP(=O)(OC)CCCC\C=C/C\C=C/C\C=C/C\C=C/CCCCC
Properties C21 H36 FO2 P Molar mass 370.5 Except where otherwise noted, data are given for materials in their
standard state (at 25 °C [77 °F], 100 kPa).
Infobox references
Methoxy arachidonyl fluorophosphonate , commonly referred as MAFP , is an irreversible active site-directed enzyme inhibitor that inhibits nearly all serine hydrolases and serine proteases .[ 1] It inhibits phospholipase A2 and fatty acid amide hydrolase with special potency, displaying IC50 values in the low-nanomolar range. In addition, it binds to the CB1 receptor in rat brain membrane preparations (IC50 = 20 nM),[ 2] but does not appear to agonize or antagonize the receptor,[ 3] though some related derivatives do show cannabinoid-like properties.[ 4]
See also DIFP – diisopropyl fluorophosphate, a related inhibitor IDFP – isopropyl dodecylfluorophosphonate, another related inhibitor with selectivity for FAAH and MAGL Activity-based probes
References ^ Hoover HS, Blankman JL, Niessen S, Cravatt BF (July 2008). "Selectivity of inhibitors of endocannabinoid biosynthesis evaluated by activity-based protein profiling" . Bioorg. Med. Chem. Lett . 18 (22): 5838– 41. doi :10.1016/j.bmcl.2008.06.091 . PMC 2634297 . PMID 18657971 . ^ Deutsch DG, Omeir R, Arreaza G, Salehani D, Prestwich GD, Huang Z, Howlett A (1997). "Methyl arachidonyl fluorophosphonate: a potent irreversible inhibitor of anandamide amidase". Biochem. Pharmacol . 53 (3): 255– 60. doi :10.1016/s0006-2952(96)00830-1 . PMID 9065728 . ^ Savinainen JR, Saario SM, Niemi R, Järvinen T, Laitinen JT (2003). "An optimized approach to study endocannabinoid signaling: evidence against constitutive activity of rat brain adenosine A1 and cannabinoid CB1 receptors" . Br. J. Pharmacol . 140 (8): 1451– 9. doi :10.1038/sj.bjp.0705577 . PMC 1574161 . PMID 14623770 . ^ Martin BR, Beletskaya I, Patrick G, Jefferson R, Winckler R, Deutsch DG, Di Marzo V, Dasse O, Mahadevan A, Razdan RK. Cannabinoid properties of methylfluorophosphonate analogs. J Pharmacol Exp Ther . 2000 Sep;294(3):1209-18. PMID 10945879
Receptor (ligands )
DP (D2 ) Tooltip Prostaglandin D2 receptor
DP1 Tooltip Prostaglandin D2 receptor 1 DP2 Tooltip Prostaglandin D2 receptor 2
EP (E2 ) Tooltip Prostaglandin E2 receptor
EP1 Tooltip Prostaglandin EP1 receptor Antagonists: AH-6809 ONO-8130 SC-19220 SC-51089 SC-51322 EP2 Tooltip Prostaglandin EP2 receptor Antagonists: AH-6809 PF-04418948 TG 4-155 EP3 Tooltip Prostaglandin EP3 receptor EP4 Tooltip Prostaglandin EP4 receptor Antagonists: Grapiprant GW-627368 L-161982 ONO-AE3-208 Unsorted
FP (F2α ) Tooltip Prostaglandin F receptor IP (I2 ) Tooltip Prostacyclin receptor TP (TXA2 ) Tooltip Thromboxane receptor Unsorted Arbaprostil Ataprost Ciprostene Clinprost Cobiprostone Delprostenate Deprostil Dimoxaprost Doxaprost Ecraprost Eganoprost Enisoprost Eptaloprost Esuberaprost Etiproston Fenprostalene Flunoprost Froxiprost Lanproston Limaprost Luprostiol Meteneprost Mexiprostil Naxaprostene Nileprost Nocloprost Ornoprostil Oxoprostol Penprostene Pimilprost Piriprost Posaraprost Prostalene Rioprostil Rivenprost Rosaprostol Spiriprostil Tiaprost Tilsuprost Tiprostanide Trimoprostil Viprostol
Enzyme (inhibitors )
COX (PTGS )PGD2 S Tooltip Prostaglandin D synthase PGES Tooltip Prostaglandin E synthase HQL-79
PGFS Tooltip Prostaglandin F synthase PGI2 S Tooltip Prostacyclin synthase TXAS Tooltip Thromboxane A synthase
Others See also Receptor/signaling modulators Leukotriene signaling modulators
Receptor (ligands )
BLT Tooltip Leukotriene B4 receptor
BLT1 Tooltip Leukotriene B4 receptor 1 Antagonists: 20-Carboxy-LTB4 Amelubant CGS-23131 (LY-223982) CGS-25019C CP-105696 CP-195543 Etalocib LY-293111 Moxilubant ONO-4057 RG-14893 RP-69698 SB-209247 SC-53228 Ticolubant U-75302 ZK-158252 BLT2 Tooltip Leukotriene B4 receptor 2 Antagonists: CP-195543 LY-255283 ZK-158252
CysLT Tooltip Cysteinyl leukotriene receptor
CysLT1 Tooltip Cysteinyl leukotriene receptor 1 Antagonists: Ablukast BAYu9773 BAYu9916 BAYx7195 Cinalukast FPL-55712 ICI-198615 Iralukast LY-170680 Masilukast MK-571 Montelukast ONO-1078 Pobilukast Pranlukast Ritolukast SKF-104353 SR-2640 Sulukast Tipelukast Tomelukast Verlukast Zafirlukast ZD-3523 CysLT2 Tooltip Cysteinyl leukotriene receptor 2 Antagonists: BAYu9773 BAYu9916 CysLTE Tooltip Cysteinyl leukotriene receptor E
Enzyme (inhibitors )
5-LOX Tooltip Arachidonate 5-lipoxygenase FLAP Tooltip Arachidonate 5-lipoxygenase-activating protein inhibitors: AM-103 AM-679 BAYx1005 MK-591 MK-886 12-LOX Tooltip Arachidonate 12-lipoxygenase 15-LOX Tooltip Arachidonate 15-lipoxygenase LTA4 H Tooltip Leukotriene A4 hydrolase LTB4 H Tooltip Leukotriene B4 ω-hydroxylase LTC4 S Tooltip Leukotriene C4 synthase LTC4 H Tooltip Leukotriene C4 hydrolase LTD4 Tooltip Leukotriene D4 hydrolase
Others See also Receptor/signaling modulators Prostanoid signaling modulators
Receptor (ligands )
CB1 Tooltip Cannabinoid receptor type 1
Agonists(abridged, full list) Inverse agonists Antagonists
CB2 Tooltip Cannabinoid receptor type 2
Agonists 2-AG 2-AGE (noladin ether) 3,3'-Diindolylmethane 4-O-Methylhonokiol α-Amyrin · β-Amyrin A-796,260 A-834,735 A-836,339 AM-1172 AM-1221 AM-1235 AM-1241 AM-2232 Anandamide AZ-11713908 Cannabinol Caryophyllene CB-13 CBS-0550 CP 55,940 GW-405,833 (L-768,242) GW-842,166X HU-308 JTE 7-31 JWH-007 JWH-015 JWH-018 JWH-73 JWH-133 L-759,633 L-759,656 Lenabasum (anabasum) Magnolol MDA-19 Nabitan NADA Olorinab (APD-371) PF-03550096 S-444,823 SER-601 Serinolamide A UR-144 Tedalinab THC (dronabinol) THCV Tetrahydromagnolol Virodhamine Antagonists
NAGly (GPR18 )
GPR55
GPR119
Transporter (modulators )
eCBTs Tooltip Endocannabinoid transporter
Enzyme (modulators)
FAAH Tooltip Fatty acid amide hydrolase MAGL ABHD6 Inhibitors: JZP-169 JZP-430 KT182 KT185 KT195 KT203 LEI-106 ML294 ML295 ML296 UCM710 WWL-70 ABHD12
Others Others: 2-PG (directly potentiates activity of 2-AG at CB1 receptor) ARN-272 (FAAH-like anandamide transporter inhibitor) See also Receptor/signaling modulators Cannabinoids (cannabinoids by structure)