› 3pi3

X-ray diffraction
1.95Å resolution

Crystallographic Structure of HbII-oxy from Lucina pectinata at pH 5.0

Released:
DOI: 10.2210/pdb3pi3/pdb
PDB entry 3pi3 coloured by chain, front view.
PDB entry 3pi3 coloured by chain, side view.
PDB entry 3pi3 coloured by chain, top view.
Source organism: Phacoides pectinatus
Entry authors: Gavira JA, Nieves-Marrero CA, Ruiz-Martinez CR, Estremera-Andujar RA, Lopez-Garriga J, Garcia-Ruiz JM

Function and Biology Details

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

Structure analysis Details

Assemblies composition:
homo dimer (preferred)
homo tetramer
homo octamer
Assembly name:
PDBe Complex ID:
PDB-CPX-154362 (preferred)
Entry contents:
1 distinct polypeptide molecule
Macromolecule:
Hemoglobin-2 Chains: A, B
Molecule details ›
Chains: A, B
Length: 152 amino acids
Theoretical weight: 17.04 KDa
Source organism: Phacoides pectinatus
UniProt:
  • Canonical: P41261 (Residues: 2-84, 85-151; Coverage: 99%)
Sequence domains: Globin
Structure domains: Globins

Ligands and Environments

2 bound ligands:
Ligand HEM 2 x HEM
Ligand OXY 2 x OXY
No modified residues

Experiments and Validation Details

Entry percentile scores
X-ray source: ESRF BEAMLINE BM16
Spacegroup: P42212
Unit cell:
a: 73.973Å b: 73.973Å c: 153.194Å
α: 90° β: 90° γ: 90°
R-values:
R R work R free
0.177 0.175 0.211

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