PTR

O-PHOSPHOTYROSINE

Created:	1999-07-08
Last modified:	2026-01-30

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Chemical Details
Formal Charge	0
Atom Count	29
Chiral Atom Count	1
Bond Count	29
Aromatic Bond Count	6

👁 2D diagram of PTR

Chemical Component Summary
Name	O-PHOSPHOTYROSINE
Synonyms	PHOSPHONOTYROSINE
Systematic Name (OpenEye OEToolkits)	(2S)-2-amino-3-(4-phosphonooxyphenyl)propanoic acid
Formula	C₉ H₁₂ N O₆ P
Molecular Weight	261.168
Type	L-PEPTIDE LINKING

Chemical Descriptors
Type	Program	Version	Descriptor
SMILES	ACDLabs	10.04	O=P(Oc1ccc(cc1)CC(C(=O)O)N)(O)O
SMILES	CACTVS	3.341	N[CH](Cc1ccc(O[P](O)(O)=O)cc1)C(O)=O
SMILES	OpenEye OEToolkits	1.5.0	c1cc(ccc1CC(C(=O)O)N)OP(=O)(O)O
Canonical SMILES	CACTVS	3.341	N[C@@H](Cc1ccc(O[P](O)(O)=O)cc1)C(O)=O
Canonical SMILES	OpenEye OEToolkits	1.5.0	c1cc(ccc1C[C@@H](C(=O)O)N)OP(=O)(O)O
InChI	InChI	1.03	InChI=1S/C9H12NO6P/c10-8(9(11)12)5-6-1-3-7(4-2-6)16-17(13,14)15/h1-4,8H,5,10H2,(H,11,12)(H2,13,14,15)/t8-/m0/s1
InChIKey	InChI	1.03	DCWXELXMIBXGTH-QMMMGPOBSA-N

Drug Info: DrugBank

DrugBank data are sourced from datasets licensed under a Creative Common's Attribution-NonCommercial 4.0 International License

DrugBank ID	DB01962
Name	Phosphonotyrosine
Groups	experimental
Description	An amino acid that occurs in endogenous proteins. Tyrosine phosphorylation and dephosphorylation plays a role in cellular signal transduction and possibly in cell growth control and carcinogenesis. [PubChem]
Synonyms	Phosphonotyrosine
CAS number	21820-51-9

Drug Targets

DrugBank data are sourced from datasets licensed under a Creative Common's Attribution-NonCommercial 4.0 International License

Name	Target Sequence	Pharmacological Action	Actions
Mast/stem cell growth factor receptor Kit	MRGARGAWDFLCVLLLLLRVQTGSSQPSVSPGEPSPPSIHPGKSDLIVRV...	unknown	inhibitor
Proto-oncogene tyrosine-protein kinase Src	MGSNKSKPKDASQRRRSLEPAENVHGAGGGAFPASQTPSKPASADGHRGP...	unknown	inhibitor
Tyrosine-protein kinase HCK	MGGRSSCEDPGCPRDEERAPRMGCMKSKFLQVGGNTFSKTETSASPHCPV...	unknown

Drug Info/Drug Targets: DrugBank 3.0: a comprehensive resource for 'omics' research on drugs. Knox C, Law V, Jewison T, Liu P, Ly S, Frolkis A, Pon A, Banco K, Mak C, Neveu V, Djoumbou Y, Eisner R, Guo AC, Wishart DS. Nucleic Acids Res. 2011 Jan; 39 (Database issue):D1035-41. | PMID:21059682