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Structure of ALG-2/HEBP2 Complex

X-ray diffraction
2.2Å resolution
PDB entry 5gqq coloured by chain, front view.
PDB entry 5gqq coloured by chain, side view.
PDB entry 5gqq coloured by chain, top view.
Source organism: Homo sapiens
Assembly composition:
hetero tetramer (preferred)
Entry contents: 2 distinct polypeptide molecules

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Assemblies

Assembly 1 (preferred)
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Assembly Name: Heme-binding protein 2 and Programmed cell death protein 6
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Multimeric state: hetero tetramer
Accessible surface area: 32261.94 Å2
Buried surface area: 9151.87 Å2
Dissociation area: 2,331.47 Å2
Dissociation energy (ΔGdiss): 39 kcal/mol
Dissociation entropy (TΔSdiss): 14.52 kcal/mol
Symmetry number: 2
PDBe Complex ID: PDB-CPX-130904

Macromolecules

Heme-binding protein 2
Chains: A, B
Length: 178 amino acids
Theoretical weight: 20.12 KDa
Source organism: Homo sapiens
Expression system: Escherichia coli 'BL21-Gold(DE3)pLysS AG'
UniProt:
  • Canonical: Q9Y5Z4 (Residues: 20-197; Coverage: 87%)
Gene names: C6orf34, HEBP2, SOUL
Pfam: SOUL heme-binding protein
InterPro:
CATH: Regulatory factor, effector binding domain
Heme-binding protein 2 in PDB entry 5gqq, assembly 1, front view.
Heme-binding protein 2 in PDB entry 5gqq, assembly 1, side view.
Heme-binding protein 2 in PDB entry 5gqq, assembly 1, top view.
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Programmed cell death protein 6
Chains: C, D
Length: 170 amino acids
Theoretical weight: 19.95 KDa
Source organism: Homo sapiens
Expression system: Escherichia coli 'BL21-Gold(DE3)pLysS AG'
UniProt:
  • Canonical: O75340 (Residues: 24-191; Coverage: 88%)
Gene names: ALG2, PDCD6
Pfam: EF-hand domain pair
InterPro:
CATH: EF-hand
Programmed cell death protein 6 in PDB entry 5gqq, assembly 1, front view.
Programmed cell death protein 6 in PDB entry 5gqq, assembly 1, side view.
Programmed cell death protein 6 in PDB entry 5gqq, assembly 1, top view.
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