PDBe 2www

X-ray diffraction
2.64Å resolution

Crystal Structure of Methylmalonic Acidemia Type A Protein


Function and Biology Details

Biochemical function:
  • not assigned
Biological process:
  • not assigned
Cellular component:
  • not assigned

Structure analysis Details

Assembly composition:
homo dimer (preferred)
Entry contents:
1 distinct polypeptide molecule
Methylmalonic aciduria type A protein, mitochondrial Chains: A, B, C, D
Molecule details ›
Chains: A, B, C, D
Length: 349 amino acids
Theoretical weight: 38.72 KDa
Source organism: Homo sapiens
Expression system: Escherichia coli BL21(DE3)
  • Canonical: Q8IVH4 (Residues: 70-418; Coverage: 84%)
Gene name: MMAA
Sequence domains: Methylmalonyl Co-A mutase-associated GTPase MeaB
Structure domains:

Ligands and Environments

2 bound ligands:

No modified residues

Experiments and Validation Details

Entry percentile scores
X-ray source: DIAMOND BEAMLINE I03
Spacegroup: P42
Unit cell:
a: 149.43Å b: 149.43Å c: 69.06Å
α: 90° β: 90° γ: 90°
R R work R free
0.184 0.182 0.222
Expression system: Escherichia coli BL21(DE3)