› 7unj

X-ray diffraction
2Å resolution

De novo designed chlorophyll dimer protein with Zn pheophorbide a methyl ester matching geometry of purple bacterial special pair, SP1-ZnPPaM

Released:
DOI: 10.2210/pdb7unj/pdb
PDB entry 7unj coloured by chain, front view.
PDB entry 7unj coloured by chain, side view.
PDB entry 7unj coloured by chain, top view.
Source organism: synthetic construct
Primary publication:
De novo design of proteins housing excitonically coupled chlorophyll special pairs.
Ennist NM, Wang S, Kennedy MA, Curti M, Sutherland GA, Vasilev C, Redler RL, Maffeis V, Shareef S, Sica AV, Hua AS, Deshmukh AP, Moyer AP, Hicks DR, Swartz AZ, Cacho RA, Novy N, Bera AK, Kang A, Sankaran B, Johnson MP, Phadkule A, Reppert M, Ekiert D, Bhabha G, Stewart L, Caram JR, Stoddard BL, Romero E, Hunter CN, Baker D
Nat Chem Biol (2024)
PMID: 38831036

Function and Biology Details

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

Structure analysis Details

Assembly composition:
homo dimer (preferred)
Assembly name:
PDBe Complex ID:
PDB-CPX-211839 (preferred)
Entry contents:
1 distinct polypeptide molecule
Macromolecule:
SP1-ZnPPaM designed chlorophyll dimer protein Chains: A, B
Molecule details ›
Chains: A, B
Length: 223 amino acids
Theoretical weight: 24.83 KDa
Source organism: synthetic construct
Expression system: Escherichia coli

Ligands and Environments

3 bound ligands:
Ligand OE9 2 x OE9
Ligand SO4 1 x SO4
Ligand EDO 3 x EDO
No modified residues

Experiments and Validation Details

Entry percentile scores
X-ray source: ALS BEAMLINE 5.0.2
Spacegroup: P41
Unit cell:
a: 52.349Å b: 52.349Å c: 173.716Å
α: 90° β: 90° γ: 90°
R-values:
R R work R free
0.194 0.191 0.234
Expression system: Escherichia coli

Quick links