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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:71032 term browser browse the term
Definition:A dipeptide that is the N-(L-phenylalanyl) derivative of L-serine.
Synonyms:exact_synonym: (2S)-2-{[(2S)-2-amino-3-phenylpropanoyl]amino}-3-hydroxypropanoic acid;   L-phenylalanyl-L-serine
 related_synonym: FS;   Formula=C12H16N2O4;   InChI=1S/C12H16N2O4/c13-9(6-8-4-2-1-3-5-8)11(16)14-10(7-15)12(17)18/h1-5,9-10,15H,6-7,13H2,(H,14,16)(H,17,18)/t9-,10-/m0/s1;   InChIKey=ROHDXJUFQVRDAV-UWVGGRQHSA-N;   L-Phe-L-Ser;   Phenylalanylserine;   SMILES=N[C@@H](Cc1ccccc1)C(=O)N[C@@H](CO)C(O)=O
 xref: CAS:16053-39-7;   HMDB:HMDB0029004
 xref_mesh: MESH:C025275
 xref: PMID:22770225;   Reaxys:4752699

show annotations for term's descendants           Sort by:
Phe-Ser term browser
Symbol Object Name Qualifiers Evidence Notes Source PubMed Reference(s) RGD Reference(s) Position
G Slc15a1 solute carrier family 15 member 1 affects binding ISO phenylalanylserine analog binds to SLC15A1 protein CTD PMID:21147219 NCBI chr15:106,800,081...106,844,668
Ensembl chr15:106,800,081...106,844,426
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Term paths to the root
Path 1
Term Annotations click to browse term
  CHEBI ontology 19787
    role 19734
      biological role 19734
        biochemical role 19282
          metabolite 19263
            Phe-Ser 1
Path 2
Term Annotations click to browse term
  CHEBI ontology 19787
    subatomic particle 19784
      composite particle 19784
        hadron 19784
          baryon 19784
            nucleon 19784
              atomic nucleus 19784
                atom 19784
                  main group element atom 19672
                    main group molecular entity 19672
                      s-block molecular entity 19430
                        hydrogen molecular entity 19420
                          hydrides 18686
                            organic hydride 18249
                              organic fundamental parent 18249
                                hydrocarbon 17969
                                  cyclic hydrocarbon 17065
                                    monocyclic hydrocarbon 5767
                                      annulene 5593
                                        aromatic annulene 5593
                                          benzene 5593
                                            alkylbenzene 3345
                                              methylbenzene 3207
                                                toluene 3070
                                                  benzyl group 2480
                                                    phenylalanine 2480
                                                      L-phenylalanine 2227
                                                        Phe-Ser 1
paths to the root


RGD is funded by grant HL64541 from the National Heart, Lung, and Blood Institute on behalf of the NIH.