› 8h17

X-ray diffraction
2.15Å resolution

Crystal structure of the Globin domain of Thermosynechococcus elongatus BP-1

Released:
DOI: 10.2210/pdb8h17/pdb
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PDB entry 8h17 coloured by chain, front view.
PDB entry 8h17 coloured by chain, side view.
PDB entry 8h17 coloured by chain, top view.
Source organism: Thermosynechococcus vestitus BP-1
Primary publication:
A novel single sensor hemoglobin domain from the thermophilic cyanobacteria Thermosynechococcus elongatus BP-1 exhibits higher pH but lower thermal stability compared to globins from mesophilic organisms.
Mathur S, Yadav SK, Yadav K, Bhatt S, Kundu S
Int J Biol Macromol 240 124471 (2023)
PMID: 37076076

Function and Biology Details

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

Structure analysis Details

Assembly composition:
monomeric (preferred)
Assembly name:
PDBe Complex ID:
PDB-CPX-215249 (preferred)
Entry contents:
1 distinct polypeptide molecule
Macromolecule:
Globin-sensor domain-containing protein Chain: A
Molecule details ›
Chain: A
Length: 200 amino acids
Theoretical weight: 22.84 KDa
Source organism: Thermosynechococcus vestitus BP-1
Expression system: Escherichia coli BL21
UniProt:
  • Canonical: Q8DHH0 (Residues: 1-194; Coverage: 100%)
Gene name: tlr1989
Sequence domains: Protoglobin

Ligands and Environments

2 bound ligands:
Ligand IMD 1 x IMD
Ligand HEM 1 x HEM
No modified residues

Experiments and Validation Details

wwPDB Validation report is not available for this entry.
X-ray source: RIGAKU FR-E+ SUPERBRIGHT
Spacegroup: P43212
Unit cell:
a: 54.041Å b: 54.041Å c: 112.966Å
α: 90° β: 90° γ: 90°
R-values:
R R work R free
0.179 0.176 0.223
Expression system: Escherichia coli BL21

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