zinc protoporphyrin IX   Click here for help

GtoPdb Ligand ID: 8903

Abbreviated name: ZnPP
Synonyms: protoporphyrin IX containing Zn
Compound class: Synthetic organic
Comment: ZnPP is reported as an antagonist of the estrogen receptor β [1]. The PubChem identifier for protoporphyrin IX is CID 4971. This is a very similar structure to iron bound heme, but with the ferrous ion replaced by a zinc ion.
2D Structure
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2D Structure

An image of the ligand's 2D structure. For small molecules with SMILES these are drawn using the NCI/CADD Chemical Identifier Resolver. Click on the image to access the chemical structure search tool with the ligand pre-loaded in the structure editor. For other types of ligands, e.g. longer nucleotides and peptides, a manually drawn representation of the molecule may be provided.

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SMILES / InChI / InChIKey
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SMILES / InChI / InChIKey

SMILES (Simplified Molecular Input Line Entry Specification) A specification for unambiguously describing the structure of chemical molecules using short ASCII strings. Canonical SMILES specify a unique representation of the 2D structure without chiral or isotopic specifications. Isomeric SMILES include chiral specification and isotopes.

Standard InChI (IUPAC International Chemical Identifier) and InChIKey InChI is a non-proprietary, standard, textual identifier for chemical substances designed to facilitate linking of information and database searching. An InChIKey is a simplified version of a full InChI, designed for easier web searching.

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Canonical SMILES C=CC1=C(C)C2=NC1=Cc1[n-]c(c(c1C)CCC(=O)O)C=C1N=C(C=c3[n-]c(=C2)c(C=C)c3C)C(=C1CCC(=O)O)C.[Zn+2]
Isomeric SMILES C=CC1=C(C)C2=NC1=Cc1[n-]c(c(c1C)CCC(=O)O)C=C1N=C(C=c3[n-]c(=C2)c(C=C)c3C)C(=C1CCC(=O)O)C.[Zn+2]
InChI InChI=1S/C34H34N4O4.Zn/c1-7-21-17(3)25-13-26-19(5)23(9-11-33(39)40)31(37-26)16-32-24(10-12-34(41)42)20(6)28(38-32)15-30-22(8-2)18(4)27(36-30)14-29(21)35-25;/h7-8,13-16H,1-2,9-12H2,3-6H3,(H4,35,36,37,38,39,40,41,42);/q;+2/p-2
InChI Key FUTVBRXUIKZACV-UHFFFAOYSA-L
References
1. Matta-Camacho E, Banerjee S, Hughes TS, Solt LA, Wang Y, Burris TP, Kojetin DJ. (2014)
Structure of REV-ERBβ ligand-binding domain bound to a porphyrin antagonist.
J Biol Chem, 289 (29): 20054-66. [PMID:24872411]