Lombricine

Lombricine
Names
	IUPAC name O-[{2-[(Diaminomethylene)amino]ethoxy}(hydroxy)phosphoryl]-D-serine
	Other names D-Lombricine
Identifiers
CAS Number	79342-60-2;
3D model (JSmol)	Interactive image;
ChEBI	CHEBI:32969;
ChemSpider	388647;
PubChem CID	439556;
UNII	YMK242B63W ;
CompTox Dashboard (EPA)	DTXSID101156421 ;
	InChI InChI=1S/C6H15N4O6P/c7-4(5(11)12)3-16-17(13,14)15-2-1-10-6(8)9/h4H,1-3,7H2,(H,11,12)(H,13,14)(H4,8,9,10)/t4-/m1/s1 Key: GSDBGCKBBJVPNC-SCSAIBSYSA-N; InChI=1/C6H15N4O6P/c7-4(5(11)12)3-16-17(13,14)15-2-1-10-6(8)9/h4H,1-3,7H2,(H,11,12)(H,13,14)(H4,8,9,10)/t4-/m1/s1 Key: GSDBGCKBBJVPNC-SCSAIBSYBR;
	SMILES O=C(O)[C@H](N)COP(=O)(OCC/N=C(\N)N)O;
Properties
Chemical formula	C6H15N4O6P
Molar mass	270.182 g·mol−1
	Except where otherwise noted, data are given for materials in their standard state (at 25 °C [77 °F], 100 kPa). Infobox references

Lombricine is a phosphagen that is unique to earthworms. Structurally, it is a phosphodiester of 2-guanidinoethanol and D-serine (not the usual L-serine),^[1] which is then further phosphorylated by lombricine kinase to phospholombricine.