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Crystal structure of beta-1,4-D-mannanase from Cryptopygus antarcticus in complex with mannopentaose

X-ray diffraction
2.6Å resolution
PDB entry 4ooz coloured by chain, front view.
PDB entry 4ooz coloured by chain, side view.
PDB entry 4ooz coloured by chain, top view.
Source organism: Cryptopygus antarcticus
Assembly composition:
monomeric (preferred)
Entry contents: 1 distinct polypeptide molecule

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Assemblies

Assembly 1 (preferred)
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Assembly Name: Mannan endo-1,4-beta-mannosidase
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Multimeric state: monomeric
Accessible surface area: 13031.74 Å2
Buried surface area: 2940.67 Å2
Dissociation area: 586.43 Å2
Dissociation energy (ΔGdiss): -13.47 kcal/mol
Dissociation entropy (TΔSdiss): 6.76 kcal/mol
Symmetry number: 1
PDBe Complex ID: PDB-CPX-110148
Assembly 2
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Assembly Name: Mannan endo-1,4-beta-mannosidase
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Multimeric state: monomeric
Accessible surface area: 12724.69 Å2
Buried surface area: 2955.84 Å2
Dissociation area: 594.75 Å2
Dissociation energy (ΔGdiss): -13.03 kcal/mol
Dissociation entropy (TΔSdiss): 6.79 kcal/mol
Symmetry number: 1
PDBe Complex ID: PDB-CPX-110148

Macromolecules

Mannan endo-1,4-beta-mannosidase
Chains: A, B
Length: 388 amino acids
Theoretical weight: 42.7 KDa
Source organism: Cryptopygus antarcticus
Expression system: Escherichia coli
UniProt:
  • Canonical: B4XC07 (Residues: 1-382; Coverage: 100%)
InterPro: Glycoside hydrolase superfamily
CATH: Glycosidases
Mannan endo-1,4-beta-mannosidase in PDB entry 4ooz, assembly 1, front view.
Mannan endo-1,4-beta-mannosidase in PDB entry 4ooz, assembly 1, side view.
Mannan endo-1,4-beta-mannosidase in PDB entry 4ooz, assembly 1, top view.
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