› 1dly

X-ray diffraction
1.8Å resolution

X-RAY CRYSTAL STRUCTURE OF HEMOGLOBIN FROM THE GREEN UNICELLULAR ALGA CHLAMYDOMONAS EUGAMETOS

Released:
DOI: 10.2210/pdb1dly/pdb
PDB entry 1dly coloured by chain, front view.
PDB entry 1dly coloured by chain, side view.
PDB entry 1dly coloured by chain, top view.
Source organism: Chlamydomonas moewusii
Primary publication:
A novel two-over-two alpha-helical sandwich fold is characteristic of the truncated hemoglobin family.
Pesce A, Couture M, Dewilde S, Guertin M, Yamauchi K, Ascenzi P, Moens L, Bolognesi M
EMBO J 19 2424-34 (2000)
PMID: 10835341

Function and Biology Details

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

Structure analysis Details

Assembly composition:
monomeric (preferred)
Assembly name:
PDBe Complex ID:
PDB-CPX-170690 (preferred)
Entry contents:
1 distinct polypeptide molecule
Macromolecule:
Group 1 truncated hemoglobin LI637 Chain: A
Molecule details ›
Chain: A
Length: 164 amino acids
Theoretical weight: 17.9 KDa
Source organism: Chlamydomonas moewusii
Expression system: Escherichia coli
UniProt:
  • Canonical: Q08753 (Residues: 1-164; Coverage: 100%)
Gene name: LI637
Sequence domains: Bacterial-like globin
Structure domains: Globins

Ligands and Environments

4 bound ligands:
Ligand CYN 1 x CYN
Ligand SO4 2 x SO4
Ligand HEM 1 x HEM
Ligand EDO 1 x EDO
No modified residues

Experiments and Validation Details

Entry percentile scores
X-ray source: ESRF BEAMLINE BM14
Spacegroup: P212121
Unit cell:
a: 34.598Å b: 53.082Å c: 67.186Å
α: 90° β: 90° γ: 90°
R-values:
R R work R free
0.192 0.192 0.22
Expression system: Escherichia coli

Quick links

Citations

20 review citations

Nonvertebrate hemoglobins: functions and molecular adaptations.
Weber et al. (2001)
19 more

18 mentions without citation

Ligand-Based Regulation of Dynamics and Reactivity of Hemoproteins.
Turilli-Ghisolfi et al. (2023)
17 more