A1DBA

4-ethenyl-3-[[2-methyl-3-oxidanyl-5-[[oxidanyl-bis(oxidanylidene)-$l^{6}-phosphanyl]oxymethyl]pyridin-4-yl]methylamino]cyclopenta-1,3-diene-1-carboxylic acid

Created:	2026-03-24
Last modified:	2026-09-16

Find Related PDB Entry
1 entries where A1DBA is found as a standalone ligand3 entries where A1DBA is covalently linked to polymer or other heterogen groups

Find related ligands: Help
Similar Ligands (Stereospecific) Similar Ligands (including Stereoisomers) Similar Ligands (Quick Screen) Similar Ligands (Substructure Stereospecific) Similar Ligands (Substructure including Stereoisomers)

Chemical Details
Formal Charge	0
Atom Count	45
Chiral Atom Count	0
Bond Count	46
Aromatic Bond Count	6

2D diagram of A1DBA

Toggle Hydrogen Toggle Labels

Chemical Component Summary
Name	4-ethenyl-3-[[2-methyl-3-oxidanyl-5-[[oxidanyl-bis(oxidanylidene)-$l^{6}-phosphanyl]oxymethyl]pyridin-4-yl]methylamino]cyclopenta-1,3-diene-1-carboxylic acid
Systematic Name (OpenEye OEToolkits)	4-ethenyl-3-[[2-methyl-3-oxidanyl-5-(phosphonooxymethyl)pyridin-4-yl]methylamino]cyclopenta-1,3-diene-1-carboxylic acid
Formula	C₁₆ H₁₉ N₂ O₇ P
Molecular Weight	382.305
Type	NON-POLYMER

Chemical Descriptors
Type	Program	Version	Descriptor
SMILES	ACDLabs	14.52	Oc1c(CNC=2C=C(CC=2C=C)C(=O)O)c(cnc1C)COP(=O)(O)O
SMILES	CACTVS	3.385	Cc1ncc(CO[P](O)(O)=O)c(CNC2=C(CC(=C2)C(O)=O)C=C)c1O
SMILES	OpenEye OEToolkits	3.1.0.0	Cc1c(c(c(cn1)COP(=O)(O)O)CNC2=C(CC(=C2)C(=O)O)C=C)O
Canonical SMILES	CACTVS	3.385	Cc1ncc(CO[P](O)(O)=O)c(CNC2=C(CC(=C2)C(O)=O)C=C)c1O
Canonical SMILES	OpenEye OEToolkits	3.1.0.0	Cc1c(c(c(cn1)COP(=O)(O)O)CNC2=C(CC(=C2)C(=O)O)C=C)O
InChI	InChI	1.06	InChI=1S/C16H19N2O7P/c1-3-10-4-11(16(20)21)5-14(10)18-7-13-12(8-25-26(22,23)24)6-17-9(2)15(13)19/h3,5-6,18-19H,1,4,7-8H2,2H3,(H,20,21)(H2,22,23,24)
InChIKey	InChI	1.06	VGFZQNFWUVIJGY-UHFFFAOYSA-N

RCSB PDB is hosted by

RCSB PDB is a member of

RCSB Partners
Nucleic Acid Knowledgebase

CoreTrustSeal

RCSB PDB Core Operations are funded by the U.S. National Science Foundation (DBI-2321666), the US Department of Energy (DE-SC0019749), and the National Cancer Institute, National Institute of Allergy and Infectious Diseases, and National Institute of General Medical Sciences of the National Institutes of Health under grant R01GM157729. RCSB PDB uses resources of the National Energy Research Scientific Computing Center (NERSC), a Department of Energy User Facility.