› 3sdh

X-ray diffraction
1.4Å resolution

HIGH RESOLUTION CRYSTALLOGRAPHIC ANALYSIS OF A COOPERATIVE DIMERIC HEMOGLOBIN

Released:
DOI: 10.2210/pdb3sdh/pdb
PDB entry 3sdh coloured by chain, front view.
PDB entry 3sdh coloured by chain, side view.
PDB entry 3sdh coloured by chain, top view.
Source organism: Anadara inaequivalvis
Primary publication:
High-resolution crystallographic analysis of a co-operative dimeric hemoglobin.
Royer WE
J Mol Biol 235 657-81 (1994)
PMID: 8289287

Function and Biology Details

Biochemical function:
Biological process:
Cellular component:
Sequence domains:
Structure domain:

Structure analysis Details

Assembly composition:
homo dimer (preferred)
Assembly name:
PDBe Complex ID:
PDB-CPX-135420 (preferred)
Entry contents:
1 distinct polypeptide molecule
Macromolecule:
Globin-1 Chains: A, B
Molecule details ›
Chains: A, B
Length: 146 amino acids
Theoretical weight: 15.97 KDa
Source organism: Anadara inaequivalvis
Expression system: Not provided
UniProt:
  • Canonical: P02213 (Residues: 1-146; Coverage: 100%)
Sequence domains: Globin
Structure domains: Globins

Ligands and Environments

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

Experiments and Validation Details

Entry percentile scores
Spacegroup: C2
Unit cell:
a: 93.25Å b: 43.98Å c: 83.5Å
α: 90° β: 122.03° γ: 90°
R-values:
R R work R free
0.159 0.159 not available
Expression system: Not provided

Quick links

Citations

11 review citations

Allostery and cooperativity revisited.
Cui et al. (2008)
10 more

27 mentions without citation

3(10) helices in channels and other membrane proteins.
Vieira-Pires et al. (2010)
26 more