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The structural versatility of TasA in B. subtilis biofilm formation

X-ray diffraction
1.56Å resolution
PDB entry 5of1 coloured by chain, front view.
PDB entry 5of1 coloured by chain, side view.
PDB entry 5of1 coloured by chain, top view.
Source organism: Bacillus subtilis subsp. subtilis str. 168
Assembly composition:
monomeric (preferred)
Entry contents: 1 distinct polypeptide molecule

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Assemblies

Assembly 1 (preferred)
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Assembly Name: Major biofilm matrix component
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Multimeric state: monomeric
Accessible surface area: 10947.17 Ã…2
Buried surface area: 1004.17 Ã…2
Dissociation area: 199.45 Ã…2
Dissociation energy (ΔGdiss): -4.44 kcal/mol
Dissociation entropy (TΔSdiss): 1.98 kcal/mol
Symmetry number: 1
PDBe Complex ID: PDB-CPX-157033
Assembly 2
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Assembly Name: Major biofilm matrix component
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Multimeric state: monomeric
Accessible surface area: 10570.12 Ã…2
Buried surface area: 359.65 Ã…2
Dissociation area: 179.83 Ã…2
Dissociation energy (ΔGdiss): -5.6 kcal/mol
Dissociation entropy (TΔSdiss): 1.97 kcal/mol
Symmetry number: 1
PDBe Complex ID: PDB-CPX-157033

Macromolecules

Major biofilm matrix component
Chains: A, B
Length: 210 amino acids
Theoretical weight: 23.16 KDa
Source organism: Bacillus subtilis subsp. subtilis str. 168
Expression system: Escherichia coli
UniProt:
  • Canonical: P54507 (Residues: 30-239; Coverage: 90%)
Gene names: BSU24620, cotN, tasA, yqhF
Pfam: Camelysin metallo-endopeptidase
InterPro: Peptidase M73, camelysin
Major biofilm matrix component in PDB entry 5of1, assembly 1, front view.
Major biofilm matrix component in PDB entry 5of1, assembly 1, side view.
Major biofilm matrix component in PDB entry 5of1, assembly 1, top view.
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