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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:18222 term browser browse the term
Definition:An aldopentose, found in the embryos of most edible plants and used in medicine to test for malabsorption by administration in water to the patient.
Synonyms:exact_synonym: xylo-pentose
 related_synonym: DL-xylose;   Formula=C5H10O5;   Xyl
 alt_id: CHEBI:10085;   CHEBI:15332;   CHEBI:27348;   CHEBI:33944;   CHEBI:46500
 xref: KEGG:C01394
 xref_mesh: MESH:D014994
 xref: Wikipedia:Xylose

show annotations for term's descendants           Sort by:
xylose term browser
Symbol Object Name Qualifiers Evidence Notes Source PubMed Reference(s) RGD Reference(s) Position
G Lct lactase increases hydrolysis EXP LCT protein results in increased hydrolysis of Xylose CTD PMID:14701853 NCBI chr13:39,781,929...39,824,456
Ensembl chr13:39,781,929...39,824,456
JBrowse link
G Srebf1 sterol regulatory element binding transcription factor 1 increases expression ISO Xylose results in increased expression of SREBF1 mRNA CTD PMID:10913129 NCBI chr10:45,007,637...45,029,650
Ensembl chr10:45,007,637...45,029,650
JBrowse link

Term paths to the root
Path 1
Term Annotations click to browse term
  CHEBI ontology 19823
    role 19773
      biological role 19773
        biochemical role 19390
          metabolite 19367
            eukaryotic metabolite 19054
              plant metabolite 17458
                xylose 2
                  D-xylose + 0
                  L-xylose + 0
                  xylose derivative + 0
Path 2
Term Annotations click to browse term
  CHEBI ontology 19823
    subatomic particle 19821
      composite particle 19821
        hadron 19821
          baryon 19821
            nucleon 19821
              atomic nucleus 19821
                atom 19821
                  main group element atom 19720
                    p-block element atom 19720
                      carbon group element atom 19643
                        carbon atom 19633
                          organic molecular entity 19633
                            heteroorganic entity 19301
                              organochalcogen compound 19073
                                organooxygen compound 19024
                                  carbohydrates and carbohydrate derivatives 12345
                                    carbohydrate 12345
                                      monosaccharide 4300
                                        aldose 2677
                                          aldopentose 703
                                            xylose 2
                                              D-xylose + 0
                                              L-xylose + 0
                                              xylose derivative + 0
paths to the root