PDBe 3g4q

X-ray diffraction
1.6Å resolution

Ligand migration and cavities within scapharca dimeric hemoglobin: wild type with co bound to heme and chloroform bound to the XE4 cavity


Function and Biology Details

Biochemical function:
Biological process:
Cellular component:

Structure analysis Details

Assembly composition:
homo dimer (preferred)
Entry contents:
1 distinct polypeptide molecule
Globin-1 Chains: A, B
Molecule details ›
Chains: A, B
Length: 146 amino acids
Theoretical weight: 15.97 KDa
Source organism: Scapharca inaequivalvis
Expression system: Escherichia coli
  • Canonical: P02213 (Residues: 1-146; Coverage: 100%)
Sequence domains: Globin
Structure domains: Globins

Ligands and Environments

3 bound ligands:

No modified residues

Experiments and Validation Details

Entry percentile scores
X-ray source: RIGAKU
Spacegroup: C2
Unit cell:
a: 93.18Å b: 43.89Å c: 83.49Å
α: 90° β: 121.93° γ: 90°
R R work R free
0.201 0.201 0.219
Expression system: Escherichia coli