Structure analysis

Crystal structure of human molybdopterin synthase complex

X-ray diffraction
2.43Å resolution
Source organism: Homo sapiens
Assembly composition:
hetero tetramer (preferred)
Entry contents: 2 distinct polypeptide molecules

Assemblies

Assembly 1 (preferred)
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Multimeric state: hetero tetramer
Accessible surface area: 18490.62 Å2
Buried surface area: 5375.83 Å2
Dissociation area: 1,420.74 Å2
Dissociation energy (ΔGdiss): 3.55 kcal/mol
Dissociation entropy (TΔSdiss): 21.97 kcal/mol
Symmetry number: 2
PDBe Complex ID: PDB-CPX-132111
Complex Portal ID: CPX-6341

Macromolecules

Chains: A, B
Length: 106 amino acids
Theoretical weight: 11.84 KDa
Source organism: Homo sapiens
Expression system: Spodoptera frugiperda
UniProt:
  • Canonical: O96033 (Residues: 7-88; Coverage: 93%)
Gene names: MOCO1, MOCS2
Pfam: ThiS family
InterPro:
CATH: Ubiquitin-like (UB roll)

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Chains: C, D
Length: 154 amino acids
Theoretical weight: 17.25 KDa
Source organism: Homo sapiens
Expression system: Spodoptera frugiperda
UniProt:
  • Canonical: O96007 (Residues: 27-179; Coverage: 81%)
Gene names: MCBPE, MOCO1, MOCS2
Pfam: MoaE protein
InterPro:
CATH: Molybdopterin biosynthesis MoaE subunit

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