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Enzymes
  Enzyme classes:
  EC 1: Oxidoreductases
  EC 2: Transferases
  EC 3: Hydrolases
    EC 3.1
    EC 3.2
    EC 3.3
    EC 3.4
      EC 3.4.1
      EC 3.4.2
      EC 3.4.3
      EC 3.4.4
      EC 3.4.11
      EC 3.4.12
      EC 3.4.13
      EC 3.4.14
      EC 3.4.15
      EC 3.4.16
      EC 3.4.17
      EC 3.4.18
      EC 3.4.19
      EC 3.4.21
      EC 3.4.22
      EC 3.4.23
      EC 3.4.24
      EC 3.4.25
      EC 3.4.99
        EC 3.4.99.1
        EC 3.4.99.2
        EC 3.4.99.3
        EC 3.4.99.4
        EC 3.4.99.5
        EC 3.4.99.6
        EC 3.4.99.7
        EC 3.4.99.8
        EC 3.4.99.9
        EC 3.4.99.10
        EC 3.4.99.11
        EC 3.4.99.12
        EC 3.4.99.13
        EC 3.4.99.14
        EC 3.4.99.15
        EC 3.4.99.16
        EC 3.4.99.17
        EC 3.4.99.18
        EC 3.4.99.19
        EC 3.4.99.20
        EC 3.4.99.21
        EC 3.4.99.22
        EC 3.4.99.23
        EC 3.4.99.24
        EC 3.4.99.25
        EC 3.4.99.26
        EC 3.4.99.27
        EC 3.4.99.28
        EC 3.4.99.29
        EC 3.4.99.30
        EC 3.4.99.31
        EC 3.4.99.32
        EC 3.4.99.33
        EC 3.4.99.34
        EC 3.4.99.35
        EC 3.4.99.36
        EC 3.4.99.37
        EC 3.4.99.38
        EC 3.4.99.39
        EC 3.4.99.40
        EC 3.4.99.41
        EC 3.4.99.42
        EC 3.4.99.43
        EC 3.4.99.44
        EC 3.4.99.45
        EC 3.4.99.46
    EC 3.5
    EC 3.6
    EC 3.7
    EC 3.8
    EC 3.9
    EC 3.10
    EC 3.11
    EC 3.12
    EC 3.13
  EC 4: Lyases
  EC 5: Isomerases
  EC 6: Ligases
  General information:
  Catalytic mechanism
  Enzyme kinetics
  Inhibitors
  Enzymes in industry

EC 3.4.99, Endopeptidases with unknown mechanisms that catalyze the internal cleavage in polypeptide chains

EC 3.4.99 sub-subclass definition

EC 3.4.99 sub-subclass contains Endopeptidases with unknown mechanisms that catalyze the internal cleavage in polypeptide chains. IUBMB Enzyme Nomenclature.

Members of EC 3.4.99 sub-subclass

EC 3.4.99.1 - obsolete, reclassified now as acrocylindropepsin, EC 3.4.23.28
EC 3.4.99.2 - obsolete, deleted
EC 3.4.99.3 - obsolete, deleted
EC 3.4.99.4 - obsolete, reclassified now as nepenthesin, EC 3.4.23.12
EC 3.4.99.5 - obsolete, reclassified now as microbial collagenase, EC 3.4.24.3
EC 3.4.99.6 - obsolete, reclassified now as astacin, EC 3.4.24.21
EC 3.4.99.7 - obsolete, deleted
EC 3.4.99.8 - obsolete, deleted
EC 3.4.99.9 - obsolete, deleted
EC 3.4.99.10 - obsolete, reclassified now as insulysin, EC 3.4.24.56
EC 3.4.99.11 - obsolete, deleted
EC 3.4.99.12 - obsolete, deleted
EC 3.4.99.13 - obsolete, reclassified now as β-lytic metalloendopeptidase, EC 3.4.24.32
EC 3.4.99.14 - obsolete, deleted
EC 3.4.99.15 - obsolete, deleted
EC 3.4.99.16 - obsolete, deleted
EC 3.4.99.17 - obsolete, deleted
EC 3.4.99.18 - obsolete, deleted
EC 3.4.99.19 - obsolete, reclassified now as renin, EC 3.4.23.15
EC 3.4.99.20 - obsolete, deleted
EC 3.4.99.21 - obsolete, deleted
EC 3.4.99.22 - obsolete, reclassified now as aureolysin, EC 3.4.24.29
EC 3.4.99.23 - obsolete, deleted
EC 3.4.99.24 - obsolete, deleted
EC 3.4.99.25 - obsolete, reclassified now as EC rhizopuspepsin, EC 3.4.23.21
EC 3.4.99.26 - obsolete, reclassified now as jararhagin, EC 3.4.24.73 and t-plasminogen activator, EC 3.4.21.68
EC 3.4.99.27 - obsolete, deleted
EC 3.4.99.28 - obsolete, reclassified now as scutelarin, EC 3.4.21.60
EC 3.4.99.29 - obsolete, deleted
EC 3.4.99.30 - obsolete, reclassified now as peptidyl-Lys metalloendopeptidase, EC 3.4.24.20
EC 3.4.99.31 - obsolete, reclassified thimet oligopeptidase, now as EC 3.4.24.15
EC 3.4.99.32 - obsolete, reclassified now as peptidyl-Lys metalloendopeptidase, EC 3.4.24.20
EC 3.4.99.33 - obsolete, deleted
EC 3.4.99.34 - obsolete, deleted
EC 3.4.99.35 - obsolete, reclassified now as signal peptidase II, EC 3.4.23.36
EC 3.4.99.36 - obsolete, reclassified now as signal peptidase I, EC 3.4.21.89
EC 3.4.99.37 - obsolete, deleted
EC 3.4.99.38 - obsolete, reclassified now as Pro-opiomelanocortin converting enzyme, EC 3.4.23.17
EC 3.4.99.39 - obsolete, deleted
EC 3.4.99.40 - obsolete, deleted
EC 3.4.99.41 - obsolete, reclassified now as mitochondrial processing peptidase, EC 3.4.24.64
EC 3.4.99.42 - obsolete, deleted
EC 3.4.99.43 - obsolete, reclassified now as thermopsin, EC 3.4.23.42
EC 3.4.99.44 - obsolete, reclassified now as pitrilysin, EC 3.4.24.55
EC 3.4.99.45 - obsolete, reclassified now as insulysin, EC 3.4.24.56
EC 3.4.99.46 - obsolete, reclassified now as proteasome endopeptidase complex, EC 3.4.25.1