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A new class EC 7, Translocases, has been added to the EC list. It will be part of ENZYME from release 2018_10. Read more about EC 7 here.

ENZYME entry: EC 3.4.21.94

Accepted Name
Proprotein convertase 2.
Alternative Name(s)
NEC 2.
Neuroendocrine convertase 2.
PC(2).
Prohormone convertase II.
Reaction catalysed
Release of protein hormones and neuropeptides from their precursors, generally by hydrolysis of -Lys-Arg-|- bonds
Comment(s)
  • A calcium dependent enzyme, maximally active at about pH 5.5.
  • Specificity is broader than that of prohormone convertase 1.
  • Substrates include pro-opiomelanocortin, proenkephalin, prodynorphin, proinsulin and proluteinizing-hormone-releasing hormone.
  • Unlike prohormone convertase 1, does not cleave prorenin or prosomatostatin.
  • Usually processing of prodynorphin occurs at a bond in which P2 is Thr.
  • Present in the regulated secretory pathway of neuroendocrine cells, commonly actin co-operatively with prohormone convertase 1.
  • Belongs to peptidase family S8.
Cross-references
PROSITEPDOC00125
BRENDA3.4.21.94
EC2PDB3.4.21.94
ExplorEnz3.4.21.94
PRIAM enzyme-specific profiles3.4.21.94
KEGG Ligand Database for Enzyme Nomenclature3.4.21.94
IUBMB Enzyme Nomenclature3.4.21.94
IntEnz3.4.21.94
MEDLINEFind literature relating to 3.4.21.94
MetaCyc3.4.21.94
UniProtKB/Swiss-Prot
Q9GLR0, NEC2_BOVIN;  G5ECN9, NEC2_CAEEL;  P16519, NEC2_HUMAN;  
P21661, NEC2_MOUSE;  Q03333, NEC2_PIG;  Q5REC2, NEC2_PONAB;  
P28841, NEC2_RAT;  

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All ENZYME / UniProtKB/Swiss-Prot entries corresponding to 3.4.21.-
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