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Crystal Structure of Core-mannan synthase A (CmsA/Ktr4) from Aspergillus fumigatus, Mn/GDP-form

X-ray diffraction
1.9Å resolution
PDB entry 7bop coloured by chain, front view.
PDB entry 7bop coloured by chain, side view.
PDB entry 7bop coloured by chain, top view.
Source organism: Aspergillus fumigatus A1163
Assembly composition:
monomeric (preferred)
Entry contents: 1 distinct polypeptide molecule

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Assemblies

Assembly 1
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Assembly Name: Alpha-1,2-mannosyltransferase (Ktr4)
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Multimeric state: monomeric
Accessible surface area: 15238.77 Å2
Buried surface area: 2051.36 Å2
Dissociation area: 98.89 Å2
Dissociation energy (ΔGdiss): 0.33 kcal/mol
Dissociation entropy (TΔSdiss): 0.79 kcal/mol
Symmetry number: 1
PDBe Complex ID: PDB-CPX-109268
Assembly 2
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Assembly Name: Alpha-1,2-mannosyltransferase (Ktr4)
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Multimeric state: monomeric
Accessible surface area: 15346.67 Å2
Buried surface area: 2011.96 Å2
Dissociation area: 83.52 Å2
Dissociation energy (ΔGdiss): -0.36 kcal/mol
Dissociation entropy (TΔSdiss): 0.88 kcal/mol
Symmetry number: 1
PDBe Complex ID: PDB-CPX-109268
Assembly 3 (preferred)
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Assembly Name: Alpha-1,2-mannosyltransferase (Ktr4)
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Multimeric state: monomeric
Accessible surface area: 15577.32 Å2
Buried surface area: 1570.36 Å2
Dissociation area: 123.4 Å2
Dissociation energy (ΔGdiss): 0.44 kcal/mol
Dissociation entropy (TΔSdiss): 0.88 kcal/mol
Symmetry number: 1
PDBe Complex ID: PDB-CPX-109268
Assembly 4
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Assembly Name: Alpha-1,2-mannosyltransferase (Ktr4)
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Multimeric state: monomeric
Accessible surface area: 15276.25 Å2
Buried surface area: 1794.6 Å2
Dissociation area: 101.07 Å2
Dissociation energy (ΔGdiss): 0.19 kcal/mol
Dissociation entropy (TΔSdiss): 0.88 kcal/mol
Symmetry number: 1
PDBe Complex ID: PDB-CPX-109268
Assembly 5
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Assembly Name: Alpha-1,2-mannosyltransferase (Ktr4)
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Multimeric state: monomeric
Accessible surface area: 15487.48 Å2
Buried surface area: 1947.45 Å2
Dissociation area: 135.81 Å2
Dissociation energy (ΔGdiss): -0.45 kcal/mol
Dissociation entropy (TΔSdiss): 0.84 kcal/mol
Symmetry number: 1
PDBe Complex ID: PDB-CPX-109268
Assembly 6
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Assembly Name: Alpha-1,2-mannosyltransferase (Ktr4)
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Multimeric state: monomeric
Accessible surface area: 15623.02 Å2
Buried surface area: 1470.86 Å2
Dissociation area: 125.97 Å2
Dissociation energy (ΔGdiss): -0.08 kcal/mol
Dissociation entropy (TΔSdiss): 0.8 kcal/mol
Symmetry number: 1
PDBe Complex ID: PDB-CPX-109268

Macromolecules

Alpha-1,2-mannosyltransferase (Ktr4)
Chains: A, B, C, D, E, F
Length: 386 amino acids
Theoretical weight: 45.3 KDa
Source organism: Aspergillus fumigatus A1163
Expression system: Escherichia coli
UniProt:
  • Canonical: B0Y2F5 (Residues: 27-397; Coverage: 100%)
Gene name: AFUB_051270
Pfam: Glycolipid 2-alpha-mannosyltransferase
InterPro:
Alpha-1,2-mannosyltransferase (Ktr4) in PDB entry 7bop, assembly 3, front view.
Alpha-1,2-mannosyltransferase (Ktr4) in PDB entry 7bop, assembly 3, side view.
Alpha-1,2-mannosyltransferase (Ktr4) in PDB entry 7bop, assembly 3, top view.
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