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)