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Crystal structure of TM-1, a Trimeresurus mucrosquamatus venom metalloproteinase

X-ray diffraction
1.8Å resolution
PDB entry 4j4m coloured by chain, front view.
PDB entry 4j4m coloured by chain, side view.
PDB entry 4j4m coloured by chain, top view.
Source organism: Protobothrops mucrosquamatus
Assembly composition:
monomeric (preferred)
Entry contents: 1 distinct polypeptide molecule

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Assemblies

Assembly 1
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Assembly Name: Snake venom metalloproteinase TM-1
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Multimeric state: monomeric
Accessible surface area: 8402.13 Ã…2
Buried surface area: 318.23 Ã…2
Dissociation area: 20.03 Ã…2
Dissociation energy (ΔGdiss): 8.75 kcal/mol
Dissociation entropy (TΔSdiss): -0.22 kcal/mol
Symmetry number: 1
PDBe Complex ID: PDB-CPX-197543
Assembly 2 (preferred)
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Assembly Name: Snake venom metalloproteinase TM-1
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Multimeric state: monomeric
Accessible surface area: 8525.41 Ã…2
Buried surface area: 190.77 Ã…2
Dissociation area: 45.63 Ã…2
Dissociation energy (ΔGdiss): 26.72 kcal/mol
Dissociation entropy (TΔSdiss): -0.21 kcal/mol
Symmetry number: 1
PDBe Complex ID: PDB-CPX-197543

Macromolecules

Snake venom metalloproteinase TM-1
Chains: A, B
Length: 202 amino acids
Theoretical weight: 21.81 KDa
Source organism: Protobothrops mucrosquamatus
UniProt:
  • Canonical: U3KRG1 (Residues: 1-202; Coverage: 100%)
Pfam: Reprolysin (M12B) family zinc metalloprotease
InterPro:
CATH: Collagenase (Catalytic Domain)
Snake venom metalloproteinase TM-1 in PDB entry 4j4m, assembly 2, front view.
Snake venom metalloproteinase TM-1 in PDB entry 4j4m, assembly 2, side view.
Snake venom metalloproteinase TM-1 in PDB entry 4j4m, assembly 2, top view.
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