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The Chemical Entities of Biological Interest (ChEBI) ontology is downloaded weekly from EMBL-EBI at The data is made available under the Creative Commons License (CC BY 3.0, For more information see: Degtyarenko et al. (2008) ChEBI: a database and ontology for chemical entities of biological interest. Nucleic Acids Res. 36, D344–D350.

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Accession:CHEBI:37447 term browser browse the term
Definition:An organic cation that is porphyrin bearing four 1-methylpyridinium-4-yl groups at the 5-, 10-, 15- and 20-positions.
Synonyms:exact_synonym: 4,4',4'',4'''-porphyrin-5,10,15,20-tetrayltetrakis(1-methylpyridinium)
 related_synonym: (4,4',4'',4'''-(21H,23H)-Porphine-5,10,15,20-tetrayl)tetrakis(1-methylpyridinium);   5,10,15,20-tetrakis(1-methylpyridinium-4-yl)porphyrin;   5,10,15,20-tetrakis(N-methylpyridinium-4-yl)-21H,23H-porphine;   Formula=C44H38N8;   InChI=1S/C44H37N8/c1-49-21-13-29(14-22-49)41-33-5-7-35(45-33)42(30-15-23-50(2)24-16-30)37-9-11-39(47-37)44(32-19-27-52(4)28-20-32)40-12-10-38(48-40)43(36-8-6-34(41)46-36)31-17-25-51(3)26-18-31/h5-28H,1-4H3,(H,45,46,47,48)/q+3/p+1/b41-33-,41-34-,42-35-,42-37-,43-36-,43-38-,44-39-,44-40-;   InChIKey=ABCGFHPGHXSVKI-LWQDQPMZSA-O;   Mesotetra(4-N-methylpyridyl)porphine;   SMILES=C[n+]1ccc(cc1)-c1c2ccc(n2)c(-c2cc[n+](C)cc2)c2ccc([nH]2)c(-c2cc[n+](C)cc2)c2ccc(n2)c(-c2cc[n+](C)cc2)c2ccc1[nH]2;   TMPYP;   TMPyP4;   Tetrakis(4-N-methylpyridyl)porphine;   Tetrakis(N-methyl-4-pyridino)porphine;   meso-Tetra(4-N-methylpyridyl)porphine;   meso-Tetrakis(2-N-methylpyridyl)porphine;   meso-Tetrakis(N-methyl-4-pyridinium)phenyl porphyrin;   meso-tetrakis(N-methyl-4-pyridyl)porphine;   tetra(4-N-methylpyridyl)porphine
 alt_id: CHEBI:78041
 xref: Beilstein:3586693;   CAS:38673-65-3;   Gmelin:87183
 xref_mesh: MESH:C021096
 xref: PMID:11814846;   PMID:12747777;   PMID:16871639;   PMID:19623552;   PMID:21118720;   PMID:21338764;   PMID:21641855;   PMID:21761061;   PMID:7503806;   Reaxys:3586693

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meso-tetrakis(N-methyl-4-pyridyl)porphine(4+) term browser
Symbol Object Name Qualifiers Evidence Notes Source PubMed Reference(s) RGD Reference(s) Position
G Myc MYC proto-oncogene, bHLH transcription factor multiple interactions ISO tetra(4-N-methylpyridyl)porphine binds to and affects the folding of MYC gene CTD PMID:15740131 NCBI chr 7:102,586,313...102,591,240
Ensembl chr 7:102,586,313...102,591,240
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Term paths to the root
Path 1
Term Annotations click to browse term
  CHEBI ontology 19785
    chemical entity 19785
      molecular entity 19782
        ion 15916
          organic ion 8320
            organic cation 7133
              meso-tetrakis(N-methyl-4-pyridyl)porphine(4+) 1
                meso-tetrakis(N-methyl-4-pyridyl)porphine tetrakis(p-toluenesulfonate) 0
Path 2
Term Annotations click to browse term
  CHEBI ontology 19785
    subatomic particle 19782
      composite particle 19782
        hadron 19782
          baryon 19782
            nucleon 19782
              atomic nucleus 19782
                atom 19782
                  main group element atom 19670
                    p-block element atom 19670
                      carbon group element atom 19572
                        carbon atom 19561
                          organic molecular entity 19561
                            organic molecule 19486
                              organic cyclic compound 19282
                                organic heterocyclic compound 18407
                                  organonitrogen heterocyclic compound 17460
                                    polypyrrole 609
                                      tetrapyrrole 497
                                        cyclic tetrapyrrole 368
                                          porphyrins 341
                                            porphyrin 1
                                              meso-tetrakis(N-methyl-4-pyridyl)porphine(4+) 1
                                                meso-tetrakis(N-methyl-4-pyridyl)porphine tetrakis(p-toluenesulfonate) 0
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