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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:42142 term browser browse the term
Definition:A C-terminal boronic acid petide that is N-acetyl-D-phenylalanyl-L-prolyl-L-arginine in which the C-termnal carboxy group has been replaced by a borono (-B(OH)2) group. A thrombin (Factor IIa) inhibitor, thereby acting as an anticoagulant.
Synonyms:exact_synonym: N-acetyl-D-phenylalanyl-N-[(1R)-1-borono-4-carbamimidamidobutyl]-L-prolinamide
 related_synonym: Formula=C21H33BN6O5;   InChI=1S/C21H33BN6O5/c1-14(29)26-16(13-15-7-3-2-4-8-15)20(31)28-12-6-9-17(28)19(30)27-18(22(32)33)10-5-11-25-21(23)24/h2-4,7-8,16-18,32-33H,5-6,9-13H2,1H3,(H,26,29)(H,27,30)(H4,23,24,25)/t16-,17+,18+/m1/s1;   InChIKey=FXFYPTZERULUBS-SQNIBIBYSA-N;   SMILES=N([C@@H](CCCNC(N)=N)B(O)O)C(=O)[C@@H]1CCCN1C([C@@H](CC2=CC=CC=C2)NC(C)=O)=O;   acetylphenylalanyl-prolyl-boroarginine
 xref: CAS:130982-43-3;   PDBeChem:DP7;   Reaxys:24287151
 cyclic_relationship: is_conjugate_base_of CHEBI:140518

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Term Annotations click to browse term
  CHEBI ontology 19816
    chemical entity 19816
      group 19728
        organic group 18537
          amino-acid residue 9397
            C-terminal boronic acid peptide 0
              Ac-(D)Phe-Pro-boroArg-OH 0
Path 2
Term Annotations click to browse term
  CHEBI ontology 19816
    subatomic particle 19814
      composite particle 19814
        hadron 19814
          baryon 19814
            nucleon 19814
              atomic nucleus 19814
                atom 19814
                  main group element atom 19702
                    p-block element atom 19702
                      carbon group element atom 19608
                        carbon atom 19597
                          organic molecular entity 19597
                            organic group 18537
                              organic divalent group 18530
                                organodiyl group 18530
                                  carbonyl group 18436
                                    carbonyl compound 18436
                                      carboxylic acid 18114
                                        carboacyl group 17372
                                          univalent carboacyl group 17372
                                            carbamoyl group 17158
                                              carboxamide 17158
                                                peptide 9396
                                                  C-terminal boronic acid peptide 0
                                                    Ac-(D)Phe-Pro-boroArg-OH 0
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