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CHEBI ONTOLOGY - ANNOTATIONS

The Chemical Entities of Biological Interest (ChEBI) ontology is downloaded weekly from EMBL-EBI at http://www.ebi.ac.uk/chebi/. The data is made available under the Creative Commons License (CC BY 3.0, http://creativecommons.org/licenses/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.

Term:monohydroxypyridine
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Accession:CHEBI:38182 term browser browse the term
Definition:A hydroxypyridine carrying a single hydroxy substituent.
Synonyms:related_synonym: monohydroxypyridines



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3-hydroxypicolinic acid term browser
Symbol Object Name Qualifiers Evidence Notes Source PubMed Reference(s) RGD Reference(s) Position
G Mmp1 matrix metallopeptidase 1 decreases activity ISO 3-hydroxypicolinic acid results in decreased activity of MMP1 protein CTD PMID:21189019 NCBI chr 8:4,658,588...4,679,099
Ensembl chr 8:4,658,588...4,679,097
JBrowse link
G Mmp2 matrix metallopeptidase 2 decreases activity ISO 3-hydroxypicolinic acid results in decreased activity of MMP2 protein CTD PMID:21189019 NCBI chr19:14,154,657...14,182,870
Ensembl chr19:14,154,657...14,182,870
JBrowse link
G Mmp3 matrix metallopeptidase 3 decreases activity ISO 3-hydroxypicolinic acid results in decreased activity of MMP3 protein CTD PMID:21189019 NCBI chr 8:4,640,397...4,653,963
Ensembl chr 8:4,640,416...4,653,961
JBrowse link
G Mmp8 matrix metallopeptidase 8 decreases activity ISO 3-hydroxypicolinic acid results in decreased activity of MMP8 protein CTD PMID:21189019 NCBI chr 8:4,724,009...4,732,956
Ensembl chr 8:4,724,029...4,733,520
JBrowse link
4-pyridoxic acid term browser
Symbol Object Name Qualifiers Evidence Notes Source PubMed Reference(s) RGD Reference(s) Position
G Col2a1 collagen type II alpha 1 chain multiple interactions EXP [COL2A1 protein co-treated with Freund's Adjuvant] results in decreased abundance of Pyridoxic Acid CTD PMID:24709313 NCBI chr 7:129,098,489...129,127,620
Ensembl chr 7:129,098,786...129,127,546
JBrowse link
5'-phosphopyridoxal-6-azobenzene-2,4-disulfonic acid term browser
Symbol Object Name Qualifiers Evidence Notes Source PubMed Reference(s) RGD Reference(s) Position
G Avp arginine vasopressin multiple interactions EXP pyridoxal phosphate-6-azophenyl-2',4'-disulfonic acid inhibits the reaction [[Phenylephrine co-treated with Adenosine Triphosphate] results in increased secretion of AVP protein]; pyridoxal phosphate-6-azophenyl-2',4'-disulfonic acid inhibits the reaction [Adenosine Triphosphate results in increased secretion of AVP protein] CTD PMID:11102496 NCBI chr 3:117,793,447...117,805,091
Ensembl chr 3:117,793,457...117,795,425
JBrowse link
G Fn1 fibronectin 1 decreases expression ISO pyridoxal phosphate-6-azophenyl-2',4'-disulfonic acid results in decreased expression of FN1 mRNA CTD PMID:18210741 NCBI chr 9:73,196,044...73,264,695
Ensembl chr 9:73,196,044...73,264,678
JBrowse link
G H2ax H2A.X variant histone multiple interactions ISO pyridoxal phosphate-6-azophenyl-2',4'-disulfonic acid inhibits the reaction [Adenosine Triphosphate promotes the reaction [Cesium-137 results in increased expression of and affects the localization of H2AX protein modified form]] CTD PMID:32941855 NCBI chr 8:44,671,927...44,673,257
Ensembl chr 8:44,671,786...44,673,239
JBrowse link
G Il6 interleukin 6 multiple interactions ISO pyridoxal phosphate-6-azophenyl-2',4'-disulfonic acid inhibits the reaction [Silicon Dioxide analog results in increased expression of IL6 protein] CTD PMID:24793913 NCBI chr 4:5,214,602...5,219,178
Ensembl chr 4:5,213,394...5,219,178
JBrowse link
G Nox1 NADPH oxidase 1 multiple interactions ISO pyridoxal phosphate-6-azophenyl-2',4'-disulfonic acid inhibits the reaction [NOX1 protein promotes the reaction [glycylphenylalanine 2-naphthylamide results in increased export of Calcium]] CTD PMID:24912985 NCBI chr  X:97,279,058...97,332,291
Ensembl chr  X:97,279,056...97,302,236
JBrowse link
G Oxt oxytocin/neurophysin I prepropeptide multiple interactions EXP pyridoxal phosphate-6-azophenyl-2',4'-disulfonic acid inhibits the reaction [[Phenylephrine co-treated with Adenosine Triphosphate] results in increased secretion of OXT protein]; pyridoxal phosphate-6-azophenyl-2',4'-disulfonic acid inhibits the reaction [Adenosine Triphosphate results in increased secretion of OXT protein] CTD PMID:11102496 NCBI chr 3:117,782,650...117,783,490
Ensembl chr 3:117,782,650...117,783,490
JBrowse link
G P2rx7 purinergic receptor P2X 7 multiple interactions ISO pyridoxal phosphate-6-azophenyl-2',4'-disulfonic acid inhibits the reaction [Adenosine Triphosphate results in increased activity of P2RX7 protein] CTD PMID:21638035 NCBI chr12:33,889,709...33,934,168
Ensembl chr12:33,879,745...33,934,619
JBrowse link
G Parp1 poly (ADP-ribose) polymerase 1 multiple interactions ISO pyridoxal phosphate-6-azophenyl-2',4'-disulfonic acid inhibits the reaction [zinc chloride results in increased expression of PARP1 protein] CTD PMID:22253048 NCBI chr13:92,307,593...92,339,406
Ensembl chr13:92,307,586...92,339,404
JBrowse link
G Tp53bp1 tumor protein p53 binding protein 1 multiple interactions ISO pyridoxal phosphate-6-azophenyl-2',4'-disulfonic acid inhibits the reaction [Adenosine Triphosphate promotes the reaction [Cesium-137 results in increased expression of and affects the localization of TP53BP1 protein]] CTD PMID:32941855 NCBI chr 3:108,166,574...108,270,229
Ensembl chr 3:108,169,980...108,269,822
JBrowse link
piericidin A term browser
Symbol Object Name Qualifiers Evidence Notes Source PubMed Reference(s) RGD Reference(s) Position
G Mapt microtubule-associated protein tau increases response to substance
increases phosphorylation
ISO MAPT protein polymorphism results in increased susceptibility to piericidin A
piericidin A results in increased phosphorylation of MAPT protein polymorphism
CTD PMID:25437199 NCBI chr10:89,138,644...89,236,137
Ensembl chr10:89,138,627...89,236,129
JBrowse link
pyridin-2-ol term browser
Symbol Object Name Qualifiers Evidence Notes Source PubMed Reference(s) RGD Reference(s) Position
G Cyp1a1 cytochrome P450, family 1, subfamily a, polypeptide 1 increases activity
increases expression
ISO 2-hydroxypyridine results in increased activity of CYP1A1 protein
2-hydroxypyridine results in increased expression of CYP1A1 mRNA
CTD PMID:11849738 PMID:12147272 NCBI chr 8:58,096,021...58,102,130
Ensembl chr 8:58,096,077...58,102,125
JBrowse link
pyridoxal 5'-phosphate term browser
Symbol Object Name Qualifiers Evidence Notes Source PubMed Reference(s) RGD Reference(s) Position
G Alpl alkaline phosphatase, biomineralization associated increases abundance ISO ALPL gene mutant form results in increased abundance of Pyridoxal Phosphate CTD PMID:7550313 NCBI chr 5:149,951,397...150,006,424
Ensembl chr 5:149,951,409...150,006,446
JBrowse link
G Bcl2 BCL2, apoptosis regulator decreases expression EXP Pyridoxal Phosphate results in decreased expression of BCL2 protein CTD PMID:16690808 NCBI chr13:22,689,783...22,853,920
Ensembl chr13:22,684,989...22,853,743
Ensembl chr13:22,684,989...22,853,743
JBrowse link
G Fn1 fibronectin 1 multiple interactions EXP Pyridoxal Phosphate inhibits the reaction [Acetaldehyde results in increased expression of FN1 mRNA] CTD PMID:8151099 NCBI chr 9:73,196,044...73,264,695
Ensembl chr 9:73,196,044...73,264,678
JBrowse link
G Fut8 fucosyltransferase 8 multiple interactions
decreases activity
ISO Fucose analog inhibits the reaction [Pyridoxal Phosphate results in decreased activity of FUT8 protein] CTD PMID:12770769 NCBI chr 6:95,948,230...96,176,677
Ensembl chr 6:95,949,991...96,176,677
JBrowse link
G Gad1 glutamate decarboxylase 1 affects binding
decreases activity
increases activity
ISO
EXP
Pyridoxal Phosphate binds to GAD1 protein modified form
Pyridoxal Phosphate results in decreased activity of GAD1 protein
Pyridoxal Phosphate results in increased activity of GAD1 protein
CTD PMID:171340 PMID:7463050 PMID:15686475 NCBI chr 3:55,369,704...55,410,335
Ensembl chr 3:55,369,704...55,410,333
JBrowse link
G Gad2 glutamate decarboxylase 2 affects binding ISO Pyridoxal Phosphate binds to GAD2 protein; Pyridoxal Phosphate binds to GAD2 protein modified form CTD PMID:15686475 PMID:15690345 PMID:15836621 NCBI chr17:84,763,630...84,826,155
Ensembl chr17:84,763,628...84,826,155
JBrowse link
G Gh1 growth hormone 1 decreases secretion EXP Pyridoxal Phosphate results in decreased secretion of GH1 protein CTD PMID:16690808 NCBI chr10:91,228,102...91,230,079
Ensembl chr10:91,228,103...91,230,078
JBrowse link
G Nrip1 nuclear receptor interacting protein 1 multiple interactions ISO Pyridoxal Phosphate binds to and results in increased activity of NRIP1 protein CTD PMID:17277785 NCBI chr11:14,895,843...14,979,490
Ensembl chr11:14,895,553...14,981,761
JBrowse link
G Pomc proopiomelanocortin decreases secretion ISO Pyridoxal Phosphate results in decreased secretion of POMC protein CTD PMID:16690808 NCBI chr 6:26,939,844...26,945,666
Ensembl chr 6:26,939,837...26,945,664
JBrowse link
G Ppara peroxisome proliferator activated receptor alpha multiple interactions EXP Pyridoxal Phosphate inhibits the reaction [Ethanol results in decreased activity of PPARA protein] CTD PMID:11022051 NCBI chr 7:116,832,405...116,900,878
Ensembl chr 7:116,832,756...116,895,346
JBrowse link
G Prl prolactin decreases secretion EXP Pyridoxal Phosphate results in decreased secretion of PRL protein CTD PMID:16690808 NCBI chr17:37,859,999...37,870,062
Ensembl chr17:37,860,007...37,870,062
JBrowse link
G RGD1566085 similar to pyridoxal (pyridoxine, vitamin B6) kinase decreases activity EXP Pyridoxal Phosphate results in decreased activity of PDXK protein CTD PMID:7463050 NCBI chr20:10,162,934...10,192,610
Ensembl chr20:10,164,099...10,192,739
JBrowse link
G Srr serine racemase multiple interactions ISO Pyridoxal Phosphate inhibits the reaction [Hydroxylamine inhibits the reaction [SRR protein results in increased abundance of D-Aspartic Acid]] CTD PMID:27387750 NCBI chr10:59,769,563...59,786,688
Ensembl chr10:59,769,571...59,787,011
JBrowse link
pyridoxamine term browser
Symbol Object Name Qualifiers Evidence Notes Source PubMed Reference(s) RGD Reference(s) Position
G Gsr glutathione-disulfide reductase decreases activity EXP Pyridoxamine results in decreased activity of GSR protein CTD PMID:24831520 NCBI chr16:58,482,209...58,525,256
Ensembl chr16:58,482,505...58,525,661
JBrowse link
G Ptgs2 prostaglandin-endoperoxide synthase 2 decreases activity ISO Pyridoxamine results in decreased activity of PTGS2 protein CTD PMID:20041722 NCBI chr13:62,164,080...62,169,770
Ensembl chr13:62,163,932...62,172,188
JBrowse link
G Sod2 superoxide dismutase 2 increases activity EXP Pyridoxamine results in increased activity of SOD2 protein CTD PMID:24831520 NCBI chr 1:47,638,318...47,645,163
Ensembl chr 1:47,636,528...47,645,189
JBrowse link
G Sphk1 sphingosine kinase 1 multiple interactions EXP Pyridoxamine inhibits the reaction [Glucose results in increased expression of and results in increased activity of SPHK1 protein] CTD PMID:21998146 NCBI chr10:101,758,567...101,764,240
Ensembl chr10:101,758,711...101,764,240
JBrowse link
G Tgfb1 transforming growth factor, beta 1 multiple interactions EXP Pyridoxamine inhibits the reaction [Streptozocin results in increased expression of TGFB1 mRNA] CTD PMID:15309289 NCBI chr 1:81,196,532...81,212,848
Ensembl chr 1:81,196,532...81,212,847
JBrowse link
G Tnf tumor necrosis factor multiple interactions EXP Pyridoxamine inhibits the reaction [Streptozocin results in increased expression of TNF protein] CTD PMID:15309289 NCBI chr20:3,622,011...3,624,629
Ensembl chr20:3,622,011...3,624,629
JBrowse link
pyridoxine term browser
Symbol Object Name Qualifiers Evidence Notes Source PubMed Reference(s) RGD Reference(s) Position
G Bax BCL2 associated X, apoptosis regulator increases expression ISO Pyridoxine results in increased expression of BAX mRNA CTD PMID:28716455 NCBI chr 1:95,940,001...95,945,407
Ensembl chr 1:95,938,808...95,945,368
JBrowse link
G Casp8 caspase 8 increases expression ISO Pyridoxine results in increased expression of CASP8 mRNA CTD PMID:28716455 NCBI chr 9:60,263,863...60,312,542
Ensembl chr 9:60,264,075...60,312,542
JBrowse link
G Nefl neurofilament light chain increases secretion EXP Pyridoxine results in increased secretion of NEFL protein CTD PMID:34677616 NCBI chr15:42,301,920...42,305,793
Ensembl chr15:42,301,916...42,305,793
JBrowse link
G Ppargc1a PPARG coactivator 1 alpha increases expression ISO
EXP
Pyridoxine results in increased expression of PPARGC1A mRNA CTD PMID:23056435 NCBI chr14:58,860,752...59,516,525
Ensembl chr14:58,861,144...59,512,656
JBrowse link
G Shmt1 serine hydroxymethyltransferase 1 multiple interactions ISO Pyridoxine affects the expression of and affects the activity of SHMT1 protein CTD PMID:17482557 NCBI chr10:45,468,698...45,497,820
Ensembl chr10:45,468,700...45,497,820
JBrowse link
pyrithione term browser
Symbol Object Name Qualifiers Evidence Notes Source PubMed Reference(s) RGD Reference(s) Position
G Akt1 AKT serine/threonine kinase 1 multiple interactions EXP [Zinc co-treated with pyrithione] results in increased phosphorylation of and results in increased activity of AKT1 protein; AKT1 protein promotes the reaction [[Zinc co-treated with pyrithione] results in increased phosphorylation of and results in increased activity of GSK3B protein] CTD PMID:17098228 NCBI chr 6:131,713,716...131,735,319
Ensembl chr 6:131,713,720...131,733,921
JBrowse link
G Cd14 CD14 molecule multiple interactions ISO [Zinc co-treated with pyrithione] inhibits the reaction [N,N,N',N'-tetrakis(2-pyridylmethyl)ethylenediamine promotes the reaction [Calcitriol results in increased expression of CD14 protein]]; pyrithione promotes the reaction [N,N,N',N'-tetrakis(2-pyridylmethyl)ethylenediamine promotes the reaction [Calcitriol results in increased expression of CD14 protein]] CTD PMID:20089671 NCBI chr18:28,335,522...28,337,383
Ensembl chr18:28,335,340...28,337,261
JBrowse link
G Cd86 CD86 molecule multiple interactions ISO pyrithione inhibits the reaction [Lipopolysaccharides results in increased expression of CD86] CTD PMID:17126599 NCBI chr11:64,142,193...64,200,816
Ensembl chr11:64,163,828...64,200,818
JBrowse link
G Csnk2a1 casein kinase 2 alpha 1 multiple interactions ISO 2-dimethylamino-4,5,6,7-tetrabromo-1H-benzimidazole inhibits the reaction [[Zinc co-treated with pyrithione] promotes the reaction [CSNK2A1 protein binds to SLC39A7 protein]]; 4,5,6,7-tetrabromobenzotriazole inhibits the reaction [[Zinc co-treated with pyrithione] promotes the reaction [CSNK2A1 protein binds to SLC39A7 protein]]; [Zinc co-treated with pyrithione] promotes the reaction [CSNK2A1 protein binds to SLC39A7 protein] CTD PMID:22317921 NCBI chr 3:140,709,984...140,756,757
Ensembl chr 3:140,709,991...140,756,696
JBrowse link
G Ctnnb1 catenin beta 1 multiple interactions EXP [Zinc co-treated with pyrithione] results in increased cleavage of CTNNB1 protein CTD PMID:17098228 NCBI chr 8:120,640,008...120,667,110
Ensembl chr 8:120,639,995...120,667,111
JBrowse link
G Gsk3b glycogen synthase kinase 3 beta multiple interactions EXP [Zinc co-treated with pyrithione] results in increased phosphorylation of and results in increased activity of GSK3B protein; AKT1 protein promotes the reaction [[Zinc co-treated with pyrithione] results in increased phosphorylation of and results in increased activity of GSK3B protein]; GSK3B protein promotes the reaction [[Zinc co-treated with pyrithione] results in increased phosphorylation of MAPT protein] CTD PMID:17098228 NCBI chr11:62,498,997...62,648,665
Ensembl chr11:62,504,316...62,648,646
JBrowse link
G Hgf hepatocyte growth factor multiple interactions ISO [Zinc co-treated with pyrithione] promotes the reaction [HGF protein results in increased expression of PCNA mRNA] CTD PMID:22374166 NCBI chr 4:18,673,736...18,745,582
Ensembl chr 4:18,677,101...18,745,409
JBrowse link
G Hmox1 heme oxygenase 1 increases expression ISO pyrithione analog results in increased expression of HMOX1 mRNA CTD PMID:23085594 NCBI chr19:13,466,287...13,474,082
Ensembl chr19:13,467,244...13,474,079
JBrowse link
G Itgam integrin subunit alpha M multiple interactions ISO [Zinc co-treated with pyrithione] inhibits the reaction [N,N,N',N'-tetrakis(2-pyridylmethyl)ethylenediamine promotes the reaction [Calcitriol results in increased expression of ITGAM protein]]; pyrithione promotes the reaction [N,N,N',N'-tetrakis(2-pyridylmethyl)ethylenediamine promotes the reaction [Calcitriol results in increased expression of ITGAM protein]] CTD PMID:20089671 NCBI chr 1:182,659,047...182,709,495
Ensembl chr 1:182,659,000...182,709,503
JBrowse link
G Mapk1 mitogen activated protein kinase 1 multiple interactions ISO [Zinc co-treated with pyrithione] results in increased phosphorylation of MAPK1 protein CTD PMID:20201035 NCBI chr11:83,957,813...84,023,629
Ensembl chr11:83,957,813...84,023,616
JBrowse link
G Mapk3 mitogen activated protein kinase 3 multiple interactions ISO [Zinc co-treated with pyrithione] results in increased phosphorylation of MAPK3 protein CTD PMID:20201035 NCBI chr 1:181,366,646...181,372,863
Ensembl chr 1:181,366,637...181,372,863
JBrowse link
G Mapt microtubule-associated protein tau multiple interactions EXP [Zinc co-treated with pyrithione] results in increased phosphorylation of MAPT protein; GSK3B protein promotes the reaction [[Zinc co-treated with pyrithione] results in increased phosphorylation of MAPT protein] CTD PMID:17098228 NCBI chr10:89,138,644...89,236,137
Ensembl chr10:89,138,627...89,236,129
JBrowse link
G Mt1 metallothionein 1 increases expression ISO pyrithione analog results in increased expression of MT1 mRNA CTD PMID:23085594 NCBI chr19:10,826,032...10,827,048
Ensembl chr19:10,826,032...10,827,049
JBrowse link
G Pcna proliferating cell nuclear antigen multiple interactions ISO [Zinc co-treated with pyrithione] promotes the reaction [HGF protein results in increased expression of PCNA mRNA] CTD PMID:22374166 NCBI chr 3:119,499,039...119,502,911
Ensembl chr 3:119,498,810...119,502,995
JBrowse link
G Ptpn1 protein tyrosine phosphatase, non-receptor type 1 multiple interactions ISO [Zinc co-treated with pyrithione] results in decreased activity of PTPN1 protein CTD PMID:22374166 NCBI chr 3:156,638,811...156,687,503
Ensembl chr 3:156,638,769...156,687,504
JBrowse link
G Slc39a7 solute carrier family 39 member 7 multiple interactions ISO 2-dimethylamino-4,5,6,7-tetrabromo-1H-benzimidazole inhibits the reaction [[Zinc co-treated with pyrithione] promotes the reaction [CSNK2A1 protein binds to SLC39A7 protein]]; 4,5,6,7-tetrabromobenzotriazole inhibits the reaction [[Zinc co-treated with pyrithione] promotes the reaction [CSNK2A1 protein binds to SLC39A7 protein]]; [Zinc co-treated with pyrithione] promotes the reaction [CSNK2A1 protein binds to SLC39A7 protein] CTD PMID:22317921 NCBI chr20:4,823,166...4,826,538
Ensembl chr20:4,822,012...4,826,537
JBrowse link

Term paths to the root
Path 1
Term Annotations click to browse term
  CHEBI ontology 20072
    chemical entity 20071
      molecular entity 20071
        polyatomic entity 20000
          heteroatomic molecular entity 19934
            hydroxides 19434
              organic hydroxy compound 18990
                heteroaryl hydroxy compound 1695
                  hydroxypyridine 85
                    monohydroxypyridine 54
                      3-hydroxy-2,4,5-tris(hydroxymethyl)pyridine 0
                      3-hydroxypicolinic acid 4
                      3-pyridinol + 0
                      4-(6-hydroxypyridin-3-yl)-4-oxobutyric acid 0
                      4-deoxypyridoxine 0
                      4-hydroxypyridine 0
                      4-pyridoxic acid + 1
                      5'-phosphopyridoxal-6-azobenzene-2,4-disulfonic acid 9
                      5-(2'-carboxyethyl)-4,6-dihydroxypicolinic acid 0
                      5-(3'-carboxy-3'-oxopropyl)-4,6-dihydroxypicolinic acid 0
                      5-formyl-3-hydroxy-2-methylpyridine-4-carboxylic acid 0
                      5-hydroxy-6-methylpyridine-3,4-dicarboxylic acid 0
                      5-hydroxy-6-methylpyridine-3-carboxylic acid 0
                      5-pyridoxic acid + 0
                      6-chloro-3-hydroxypyridine-2,5-dione 0
                      6-hydroxy-N-methylmyosmine 0
                      6-hydroxymyosmine 0
                      6-hydroxynicotine + 0
                      6-hydroxynicotinic acid 0
                      6-hydroxypseudooxynicotine 0
                      8-epi-ilicicolin H 0
                      N(6)-(pyridoxal phosphate)-L-lysine + 0
                      N-(5'-phosphopyridoxyl)-D-alanine 0
                      N-(5'-phosphopyridoxyl)-L-alanine 0
                      SPF-32629A 0
                      SPF-32629B 0
                      UK-2A 0
                      UK-2B 0
                      UK-3A 0
                      caerulomycin F 0
                      caerulomycin G 0
                      caerulomycin H 0
                      caerulomycin J 0
                      ilicicolin H + 0
                      isopyridoxal 0
                      piericidin A 1
                      pyridin-2-ol 1
                      pyridoxal + 21
                      pyridoxal 5'-phosphate + 21
                      pyridoxamine + 6
                      pyridoxamine 5'-phosphate 0
                      pyridoxine + 5
                      pyrithione 16
Path 2
Term Annotations click to browse term
  CHEBI ontology 20072
    subatomic particle 20071
      composite particle 20071
        hadron 20071
          baryon 20071
            nucleon 20071
              atomic nucleus 20071
                atom 20071
                  main group element atom 19971
                    p-block element atom 19971
                      carbon group element atom 19894
                        carbon atom 19887
                          organic molecular entity 19887
                            organic molecule 19835
                              organic cyclic compound 19589
                                organic heterocyclic compound 18857
                                  organic heteromonocyclic compound 17495
                                    pyridines 9184
                                      hydroxypyridine 85
                                        monohydroxypyridine 54
                                          3-hydroxy-2,4,5-tris(hydroxymethyl)pyridine 0
                                          3-hydroxypicolinic acid 4
                                          3-pyridinol + 0
                                          4-(6-hydroxypyridin-3-yl)-4-oxobutyric acid 0
                                          4-deoxypyridoxine 0
                                          4-hydroxypyridine 0
                                          4-pyridoxic acid + 1
                                          5'-phosphopyridoxal-6-azobenzene-2,4-disulfonic acid 9
                                          5-(2'-carboxyethyl)-4,6-dihydroxypicolinic acid 0
                                          5-(3'-carboxy-3'-oxopropyl)-4,6-dihydroxypicolinic acid 0
                                          5-formyl-3-hydroxy-2-methylpyridine-4-carboxylic acid 0
                                          5-hydroxy-6-methylpyridine-3,4-dicarboxylic acid 0
                                          5-hydroxy-6-methylpyridine-3-carboxylic acid 0
                                          5-pyridoxic acid + 0
                                          6-chloro-3-hydroxypyridine-2,5-dione 0
                                          6-hydroxy-N-methylmyosmine 0
                                          6-hydroxymyosmine 0
                                          6-hydroxynicotine + 0
                                          6-hydroxynicotinic acid 0
                                          6-hydroxypseudooxynicotine 0
                                          8-epi-ilicicolin H 0
                                          N(6)-(pyridoxal phosphate)-L-lysine + 0
                                          N-(5'-phosphopyridoxyl)-D-alanine 0
                                          N-(5'-phosphopyridoxyl)-L-alanine 0
                                          SPF-32629A 0
                                          SPF-32629B 0
                                          UK-2A 0
                                          UK-2B 0
                                          UK-3A 0
                                          caerulomycin F 0
                                          caerulomycin G 0
                                          caerulomycin H 0
                                          caerulomycin J 0
                                          ilicicolin H + 0
                                          isopyridoxal 0
                                          piericidin A 1
                                          pyridin-2-ol 1
                                          pyridoxal + 21
                                          pyridoxal 5'-phosphate + 21
                                          pyridoxamine + 6
                                          pyridoxamine 5'-phosphate 0
                                          pyridoxine + 5
                                          pyrithione 16
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