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Crystal Structure of a Taiwan Habu Venom Metalloproteinase complexed with pEKW.

X-ray diffraction
1.45Å resolution
PDB entry 1kuk coloured by chain, front view.
PDB entry 1kuk coloured by chain, side view.
PDB entry 1kuk coloured by chain, top view.
Source organism: Protobothrops mucrosquamatus
Assembly composition:
hetero dimer (preferred)
Entry contents: 2 distinct polypeptide molecules

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Assemblies

Assembly 1 (preferred)
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Assembly Name: Snake venom metalloproteinase TM-3 and peptide
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Multimeric state: hetero dimer
Accessible surface area: 9329.58 Ã…2
Buried surface area: 1810.46 Ã…2
Dissociation area: 442.73 Ã…2
Dissociation energy (ΔGdiss): 4.05 kcal/mol
Dissociation entropy (TΔSdiss): 5.17 kcal/mol
Symmetry number: 1
PDBe Complex ID: PDB-CPX-129592

Macromolecules

Snake venom metalloproteinase TM-3
Chain: A
Length: 203 amino acids
Theoretical weight: 23.38 KDa
Source organism: Protobothrops mucrosquamatus
UniProt:
  • Canonical: O57413 (Residues: 190-392; Coverage: 44%)
Pfam: Reprolysin (M12B) family zinc metalloprotease
InterPro:
CATH: Collagenase (Catalytic Domain)
SCOP: Reprolysin-like
Snake venom metalloproteinase TM-3 in PDB entry 1kuk, assembly 1, front view.
Snake venom metalloproteinase TM-3 in PDB entry 1kuk, assembly 1, side view.
Snake venom metalloproteinase TM-3 in PDB entry 1kuk, assembly 1, top view.
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EKW
Chain: B
Length: 3 amino acids
Theoretical weight: 445 Da
Source organism: Protobothrops mucrosquamatus
Expression system: Not provided
EKW in PDB entry 1kuk, assembly 1, front view.
EKW in PDB entry 1kuk, assembly 1, side view.
EKW in PDB entry 1kuk, assembly 1, top view.
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