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Crystal structure of human pterin-4-alpha-carbinolamine dehydratase 2 (PCBD2)

X-ray diffraction
1.45Å resolution
PDB entry 4c45 coloured by chain, front view.
PDB entry 4c45 coloured by chain, side view.
PDB entry 4c45 coloured by chain, top view.
Source organism: Homo sapiens
Assembly composition:
homo tetramer (preferred)
Entry contents: 1 distinct polypeptide molecule

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Assemblies

Assembly 1 (preferred)
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Assembly Name: Pterin-4-alpha-carbinolamine dehydratase 2
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Multimeric state: homo tetramer
Accessible surface area: 17391.2 Å2
Buried surface area: 6272.05 Å2
Dissociation area: 1,399.25 Å2
Dissociation energy (ΔGdiss): 9.34 kcal/mol
Dissociation entropy (TΔSdiss): 12.51 kcal/mol
Symmetry number: 4
PDBe Complex ID: PDB-CPX-190484

Macromolecules

Pterin-4-alpha-carbinolamine dehydratase 2
Chain: A
Length: 104 amino acids
Theoretical weight: 11.87 KDa
Source organism: Homo sapiens
Expression system: Escherichia coli BL21(DE3)
UniProt:
  • Canonical: Q9H0N5 (Residues: 28-130; Coverage: 79%)
Gene names: DCOH2, DCOHM, PCBD2
Pfam: Pterin 4 alpha carbinolamine dehydratase
InterPro:
CATH: Transcriptional coactivator/pterin dehydratase
Pterin-4-alpha-carbinolamine dehydratase 2 in PDB entry 4c45, assembly 1, front view.
Pterin-4-alpha-carbinolamine dehydratase 2 in PDB entry 4c45, assembly 1, side view.
Pterin-4-alpha-carbinolamine dehydratase 2 in PDB entry 4c45, assembly 1, top view.
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