BMRB - Biological Magnetic Resonance Bank

_Chem_struct_descriptor.Descriptor

Description	A chemical structure descriptor.
Details:
Parent saveframe	chem_comp
Data type	line
Common values	alcohol aldehyde alkane alkene alkyne amide amine benzyl group beta lactam carboxylic acid eight carbon ring eight member heterocycle ester ether five carbon ring five member heterocycle four carbon ring four member heterocycle imidazole ketone methyl methylene nitrile phenol phenyl group primary amine secondary amine seven carbon ring seven member heterocycle six carbon ring six member heterocycle teritary amine thiol three carbon ring three member heterocycle

DB table	Chem_struct_descriptor
DB column	Descriptor
DB type	VARCHAR(127)
NULL allowed	no (mandatory)