Kallikrein 3D structures

3D Structures of kallikrein

Updated on 15-October-2025

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• Kallikrein 1
  • 8ygy – hKLK - human
    
  • 1gvz – KLK - horse
    
  • 2pka – pKLK - pig
    
  • 2kai – pKLK + BPTI
    
  • 1hia – pKLK + hirustasin
    
• Kallikrein 2
  • 4nfe – hKLK + inhibitor
    
  • 4nff – hKLK + PPACK
    
• Kallikrein 4
  • 6nvb – hKLK
    
  • 4kga – hKLK + Ni
    
  • 2bdg – hKLK + aminobenzamidine + Ni
    
  • 2bdh – hKLK + aminobenzamidine + Zn
    
  • 2bdi – hKLK + aminobenzamidine + Co
    
  • 4k1e, 4kel, 4k8y, 6o21 – hKLK + trypsin inhibitor
    
  • 7jod, 7joe, 7jos, 7jow, 7jqk, 7jqn, 7jqo, 7jqv – hKLK + Kunitz-type inhibitor
    
  • 6kbr – hKLK + SPINK2 inhibitor
    
• Kallikrein 5
  • 2psx – hKLK catalytic domain + leupeptin
    
  • 2psy – hKLK catalytic domain + leupeptin + Zn
    
  • 6qfe – hKLK + inhibitor
    
  • 7u5b – hKLK + antibody
    
• Kallikrein 6
  • 1gvl – hKLK (mutant)
    
  • 1l2e, 1lo6, 7qfv, 7qft, 7qhz, 7qi0 – hKLK + inhibitor
    
  • 3vfe, 4d8n, 6qff, 6qfg, 6qfh, 6qf9, 6qfa, 6qfb, 6qfc, 6qh9, 6qha, 6qhb, 6qhc, 6skb, 6skc, 6skd – hKLK (mutant) + inhibitor
    
  • 5nx1, 5nx3 – hKLK + amyloid-b A4 protein
    
• Kallikrein 7
  • 3bsq, 6y4s – hKLK
    
  • 2qxg, 2qxh, 2qxi, 2qxj – hKLK + chymotriptic determinant
    
  • 5fah, 5y9l, 5yjk, 6shh, 6shi, 6sju – hKLK + inhibitor
    
  • 5zfh – mKLK - mouse
    
  • 5zfi, 6ahs – mKLK + inhibitor
    
• Kallikrein 8
  • 5ms3 – hKLK
    
  • 5ms4 – hKLK + inhibitor
    
• Kallikrein 10
  • 5lpf – hKLK
    
  • 5lpe – hKLK + Zn
    
• Kallikrein 13
  • 1ao5 – KLK - mouse
    
• Plasma kallikrein; domains – light chain or protease 391-627; heavy chain 20-378
  • 6i44 – hKLK + inhibitor
    
  • 6o1g, 6t7p, 7n7x, 8a3q – hKLK light chain domain + inhibitor
    
  • 5tjx, 2anw, 2any, 6o1s – hKLK light chain (mutant) + inhibitor
    
  • 8fgx – hKLK light chain domain + antibody – Cryo EM
    
  • 4ogx, 4ogy – hKLK light chain domain (mutant) + antibody
    
  • 5f8z – hKLK light chain domain (mutant) + Pkalin-1
    
  • 5f8t – hKLK light chain domain (mutant) + Pkalin-2
    
  • 5f8x – hKLK light chain domain (mutant) + Pkalin-3
    
  • 7qox – hKLK heavy chain domain + kininogen-1
    
  • 9vwt – hKLK protease domain + peptide inhibitor
    
  • 5gvt – mKLK protease domain (mutant)
    
  • 6a8o – mKLK protease domain + inhibitor
    
• Tissue kallikrein (KLK 1)
  • 1spj – hKLK (mutant)
    

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