Structure analysis

Structural comparison of the oxidized ternary electron transfer complex of methylamine dehydrogenase, amicyanin and cytochrome c551i from Paracoccus denitrificans with the substrate-reduced, copper free complex at 1.9 A resolution.

X-ray diffraction
1.9Å resolution
Source organism: Paracoccus denitrificans
Assembly composition:
hetero tetramer (preferred)
Entry contents: 4 distinct polypeptide molecules

Assemblies

Assembly 1 (preferred)
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Multimeric state: hetero tetramer
Accessible surface area: 31500 Å2
Buried surface area: 7000 Å2
Dissociation area: 450 Å2
Dissociation energy (ΔGdiss): -5 kcal/mol
Dissociation entropy (TΔSdiss): 12 kcal/mol
Interface energy (ΔGint): -65 kcal/mol
Symmetry number: 1
Assembly 2
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Multimeric state: hetero tetramer
Accessible surface area: 31200 Å2
Buried surface area: 7000 Å2
Dissociation area: 450 Å2
Dissociation energy (ΔGdiss): -4 kcal/mol
Dissociation entropy (TΔSdiss): 12 kcal/mol
Interface energy (ΔGint): -64 kcal/mol
Symmetry number: 1
Assembly 3
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Multimeric state: hetero tetramer
Accessible surface area: 31300 Å2
Buried surface area: 7000 Å2
Dissociation area: 450 Å2
Dissociation energy (ΔGdiss): -3 kcal/mol
Dissociation entropy (TΔSdiss): 12 kcal/mol
Interface energy (ΔGint): -65 kcal/mol
Symmetry number: 1
Assembly 4
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Multimeric state: hetero tetramer
Accessible surface area: 31200 Å2
Buried surface area: 7000 Å2
Dissociation area: 450 Å2
Dissociation energy (ΔGdiss): -3 kcal/mol
Dissociation entropy (TΔSdiss): 12 kcal/mol
Interface energy (ΔGint): -67 kcal/mol
Symmetry number: 1

Macromolecules

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Chains: D, H, L, P
Length: 147 amino acids
Theoretical weight: 16.27 KDa
Source organism: Paracoccus denitrificans
UniProt:
  • Canonical: P29899 (Residues: 23-169; Coverage: 95%)
Gene name: moxG
Pfam: Cytochrome C oxidase, cbb3-type, subunit III
InterPro:
CATH: Cytochrome c-like domain
SCOP: monodomain cytochrome c

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