Details of the Drug Therapeutic Target (DTT)

General Information of Drug Therapeutic Target (DTT) (ID: TTC9IZL)

• DTT Name: Inositol 1,4,5-trisphosphate receptor (ITPR)
• Synonyms: InsP3R; InsP3 receptor; IP3R; IP3 receptor
• Gene Name: ITPR1
• DTT Type: Successful target; [1]
• UniProt ID: ITPR1_HUMAN ; ITPR2_HUMAN ; ITPR3_HUMAN
• TTD ID: T82624
• Sequence:
  MSDKMSSFLHIGDICSLYAEGSTNGFISTLGLVDDRCVVQPETGDLNNPPKKFRDCLFKL
  CPMNRYSAQKQFWKAAKPGANSTTDAVLLNKLHHAADLEKKQNETENRKLLGTVIQYGNV
  IQLLHLKSNKYLTVNKRLPALLEKNAMRVTLDEAGNEGSWFYIQPFYKLRSIGDSVVIGD
  KVVLNPVNAGQPLHASSHQLVDNPGCNEVNSVNCNTSWKIVLFMKWSDNKDDILKGGDVV
  RLFHAEQEKFLTCDEHRKKQHVFLRTTGRQSATSATSSKALWEVEVVQHDPCRGGAGYWN
  SLFRFKHLATGHYLAAEVDPDFEEECLEFQPSVDPDQDASRSRLRNAQEKMVYSLVSVPE
  GNDISSIFELDPTTLRGGDSLVPRNSYVRLRHLCTNTWVHSTNIPIDKEEEKPVMLKIGT
  SPVKEDKEAFAIVPVSPAEVRDLDFANDASKVLGSIAGKLEKGTITQNERRSVTKLLEDL
  VYFVTGGTNSGQDVLEVVFSKPNRERQKLMREQNILKQIFKLLQAPFTDCGDGPMLRLEE
  LGDQRHAPFRHICRLCYRVLRHSQQDYRKNQEYIAKQFGFMQKQIGYDVLAEDTITALLH
  NNRKLLEKHITAAEIDTFVSLVRKNREPRFLDYLSDLCVSMNKSIPVTQELICKAVLNPT
  NADILIETKLVLSRFEFEGVSSTGENALEAGEDEEEVWLFWRDSNKEIRSKSVRELAQDA
  KEGQKEDRDVLSYYRYQLNLFARMCLDRQYLAINEISGQLDVDLILRCMSDENLPYDLRA
  SFCRLMLHMHVDRDPQEQVTPVKYARLWSEIPSEIAIDDYDSSGASKDEIKERFAQTMEF
  VEEYLRDVVCQRFPFSDKEKNKLTFEVVNLARNLIYFGFYNFSDLLRLTKILLAILDCVH
  VTTIFPISKMAKGEENKGNNDVEKLKSSNVMRSIHGVGELMTQVVLRGGGFLPMTPMAAA
  PEGNVKQAEPEKEDIMVMDTKLKIIEILQFILNVRLDYRISCLLCIFKREFDESNSQTSE
  TSSGNSSQEGPSNVPGALDFEHIEEQAEGIFGGSEENTPLDLDDHGGRTFLRVLLHLTMH
  DYPPLVSGALQLLFRHFSQRQEVLQAFKQVQLLVTSQDVDNYKQIKQDLDQLRSIVEKSE
  LWVYKGQGPDETMDGASGENEHKKTEEGNNKPQKHESTSSYNYRVVKEILIRLSKLCVQE
  SASVRKSRKQQQRLLRNMGAHAVVLELLQIPYEKAEDTKMQEIMRLAHEFLQNFCAGNQQ
  NQALLHKHINLFLNPGILEAVTMQHIFMNNFQLCSEINERVVQHFVHCIETHGRNVQYIK
  FLQTIVKAEGKFIKKCQDMVMAELVNSGEDVLVFYNDRASFQTLIQMMRSERDRMDENSP
  LMYHIHLVELLAVCTEGKNVYTEIKCNSLLPLDDIVRVVTHEDCIPEVKIAYINFLNHCY
  VDTEVEMKEIYTSNHMWKLFENFLVDICRACNNTSDRKHADSILEKYVTEIVMSIVTTFF
  SSPFSDQSTTLQTRQPVFVQLLQGVFRVYHCNWLMPSQKASVESCIRVLSDVAKSRAIAI
  PVDLDSQVNNLFLKSHSIVQKTAMNWRLSARNAARRDSVLAASRDYRNIIERLQDIVSAL
  EDRLRPLVQAELSVLVDVLHRPELLFPENTDARRKCESGGFICKLIKHTKQLLEENEEKL
  CIKVLQTLREMMTKDRGYGEKLISIDELDNAELPPAPDSENATEELEPSPPLRQLEDHKR
  GEALRQVLVNRYYGNVRPSGRRESLTSFGNGPLSAGGPGKPGGGGGGSGSSSMSRGEMSL
  AEVQCHLDKEGASNLVIDLIMNASSDRVFHESILLAIALLEGGNTTIQHSFFCRLTEDKK
  SEKFFKVFYDRMKVAQQEIKATVTVNTSDLGNKKKDDEVDRDAPSRKKAKEPTTQITEEV
  RDQLLEASAATRKAFTTFRREADPDDHYQPGEGTQATADKAKDDLEMSAVITIMQPILRF
  LQLLCENHNRDLQNFLRCQNNKTNYNLVCETLQFLDCICGSTTGGLGLLGLYINEKNVAL
  INQTLESLTEYCQGPCHENQNCIATHESNGIDIITALILNDINPLGKKRMDLVLELKNNA
  SKLLLAIMESRHDSENAERILYNMRPKELVEVIKKAYMQGEVEFEDGENGEDGAASPRNV
  GHNIYILAHQLARHNKELQSMLKPGGQVDGDEALEFYAKHTAQIEIVRLDRTMEQIVFPV
  PSICEFLTKESKLRIYYTTERDEQGSKINDFFLRSEDLFNEMNWQKKLRAQPVLYWCARN
  MSFWSSISFNLAVLMNLLVAFFYPFKGVRGGTLEPHWSGLLWTAMLISLAIVIALPKPHG
  IRALIASTILRLIFSVGLQPTLFLLGAFNVCNKIIFLMSFVGNCGTFTRGYRAMVLDVEF
  LYHLLYLVICAMGLFVHEFFYSLLLFDLVYREETLLNVIKSVTRNGRSIILTAVLALILV
  YLFSIVGYLFFKDDFILEVDRLPNETAVPETGESLASEFLFSDVCRVESGENCSSPAPRE
  ELVPAEETEQDKEHTCETLLMCIVTVLSHGLRSGGGVGDVLRKPSKEEPLFAARVIYDLL
  FFFMVIIIVLNLIFGVIIDTFADLRSEKQKKEEILKTTCFICGLERDKFDNKTVTFEEHI
  KEEHNMWHYLCFIVLVKVKDSTEYTGPESYVAEMIKERNLDWFPRMRAMSLVSSDSEGEQ
  NELRNLQEKLESTMKLVTNLSGQLSELKDQMTEQRKQKQRIGLLGHPPHMNVNPQQPA
• Function: Intracellular channel that mediates calcium release from the endoplasmic reticulum following stimulation by inositol 1,4,5-trisphosphate.
• KEGG Pathway:
  Calcium signaling pathway (hsa04020)
  cGMP-PKG signaling pathway (hsa04022)
  Phosphatidylinositol signaling system (hsa04070)
  Oocyte meiosis (hsa04114)
  Autophagy - animal (hsa04140)
  Apoptosis (hsa04210)
  Cellular senescence (hsa04218)
  Vascular smooth muscle contraction (hsa04270)
  Apelin signaling pathway (hsa04371)
  Gap junction (hsa04540)
  Platelet activation (hsa04611)
  NOD-like receptor signaling pathway (hsa04621)
  C-type lectin receptor signaling pathway (hsa04625)
  Circadian entrainment (hsa04713)
  Long-term potentiation (hsa04720)
  Retrograde endocannabinoid signaling (hsa04723)
  Glutamatergic synapse (hsa04724)
  Cholinergic synapse (hsa04725)
  Serotonergic synapse (hsa04726)
  Dopaminergic synapse (hsa04728)
  Long-term depression (hsa04730)
  Inflammatory mediator regulation of TRP channels (hsa04750)
  GnRH signaling pathway (hsa04912)
  Estrogen signaling pathway (hsa04915)
  Thyroid hormone synthesis (hsa04918)
  Oxytocin signaling pathway (hsa04921)
  Glucagon signaling pathway (hsa04922)
  Renin secretion (hsa04924)
  Aldosterone synthesis and secretion (hsa04925)
  Cortisol synthesis and secretion (hsa04927)
  Parathyroid hormone synthesis, secretion and action (hsa04928)
  GnRH secretion (hsa04929)
  Cushing syndrome (hsa04934)
  Growth hormone synthesis, secretion and action (hsa04935)
  Salivary secretion (hsa04970)
  Gastric acid secretion (hsa04971)
  Pancreatic secretion (hsa04972)
  Alzheimer disease (hsa05010)
  Parkinson disease (hsa05012)
  Huntington disease (hsa05016)
  Spinocerebellar ataxia (hsa05017)
  Prion disease (hsa05020)
  Pathways of neurodegeneration - multiple diseases (hsa05022)
  Shigellosis (hsa05131)
  Human cytomegalovirus infection (hsa05163)
  Kaposi sarcoma-associated herpesvirus infection (hsa05167)
  Human immunodeficiency virus 1 infection (hsa05170)
  Proteoglycans in cancer (hsa05205)
  Lipid and atherosclerosis (hsa05417)
• Reactome Pathway:
  Effects of PIP2 hydrolysis (R-HSA-114508)
  Elevation of cytosolic Ca2+ levels (R-HSA-139853)
  DAG and IP3 signaling (R-HSA-1489509)
  Role of phospholipids in phagocytosis (R-HSA-2029485)
  FCERI mediated Ca+2 mobilization (R-HSA-2871809)
  Glucagon-like Peptide-1 (GLP1) regulates insulin secretion (R-HSA-381676)
  Ca2+ pathway (R-HSA-4086398)
  cGMP effects (R-HSA-418457)
  Regulation of insulin secretion (R-HSA-422356)
  VEGFR2 mediated cell proliferation (R-HSA-5218921)
  Ion homeostasis (R-HSA-5578775)
  CLEC7A (Dectin-1) induces NFAT activation (R-HSA-5607763)
  FCGR3A-mediated IL10 synthesis (R-HSA-9664323)
  Antigen activates B Cell Receptor (BCR) leading to generation of second messengers (R-HSA-983695)
  PLC beta mediated events (R-HSA-112043)

Molecular Interaction Atlas (MIA) of This DTT

1 Approved Drug(s) Targeting This DTT

Drug Name	Drug ID	Indication	ICD 11	Highest Status	REF
Nitroprusside	DMLUA2J	Hypertension	BA00-BA04	Approved	[1]

3 Investigative Drug(s) Targeting This DTT

Drug Name	Drug ID	Indication	ICD 11	Highest Status	REF
5'-Deoxy-5'-phenyladenophostin A	DMU4MCK	Discovery agent	N.A.	Investigative	[2]
ADENOPHOSTIN A	DMV39AW	Discovery agent	N.A.	Investigative	[2]
D-myo-inositol 1,4,5-trisphosphate	DMNUKIX	Discovery agent	N.A.	Investigative	[3]

References

• [1] Prostacyclin and sodium nitroprusside inhibit the activity of the platelet inositol 1,4,5-trisphosphate receptor and promote its phosphorylation. J Biol Chem. 1996 Mar 8;271(10):5545-51.
• [2] Synthesis of adenophostin A analogues conjugating an aromatic group at the 5'-position as potent IP3 receptor ligands. J Med Chem. 2006 Sep 21;49(19):5750-8.
• [3] DrugBank 3.0: a comprehensive resource for 'omics' research on drugs. Nucleic Acids Res. 2011 Jan;39(Database issue):D1035-41.