6j4r

X-ray diffraction
2.8Å resolution

Structural basis for the target DNA recognition and binding by the MYB domain of phosphate starvation response regulator 1

Released:

Function and Biology Details

Biological process:
  • not assigned
Cellular component:
  • not assigned

Structure analysis Details

Assembly composition:
hetero tetramer (preferred)
PDBe Complex ID:
PDB-CPX-120054 (preferred)
Entry contents:
1 distinct polypeptide molecule
4 distinct DNA molecules
Macromolecules (5 distinct):
Protein PHOSPHATE STARVATION RESPONSE 1 Chains: A, B, C, D
Molecule details ›
Chains: A, B, C, D
Length: 58 amino acids
Theoretical weight: 6.7 KDa
Source organism: Arabidopsis thaliana
Expression system: Escherichia coli BL21(DE3)
UniProt:
  • Canonical: Q94CL7 (Residues: 225-282; Coverage: 14%)
Gene names: At4g28610, PHR1, T5F17.60
Sequence domains: Myb-like DNA-binding domain
Structure domains: Homeodomain-like
DNA (5'-D(*CP*CP*AP*TP*AP*TP*AP*TP*GP*AP*C)-3') Chain: F
Molecule details ›
Chain: F
Length: 11 nucleotides
Theoretical weight: 3.32 KDa
Source organism: synthetic construct
Expression system: Not provided
DNA (5'-D(*GP*TP*CP*AP*TP*AP*TP*AP*TP*GP*G)-3') Chain: E
Molecule details ›
Chain: E
Length: 11 nucleotides
Theoretical weight: 3.39 KDa
Source organism: synthetic construct
Expression system: Not provided
DNA (5'-D(*GP*GP*TP*AP*TP*AP*TP*AP*CP*TP*G)-3') Chain: X
Molecule details ›
Chain: X
Length: 11 nucleotides
Theoretical weight: 3.39 KDa
Source organism: synthetic construct
Expression system: Not provided
DNA (5'-D(*CP*AP*GP*TP*AP*TP*AP*TP*AP*CP*C)-3') Chain: Y
Molecule details ›
Chain: Y
Length: 11 nucleotides
Theoretical weight: 3.32 KDa
Source organism: synthetic construct
Expression system: Not provided

Ligands and Environments

No bound ligands
No modified residues

Experiments and Validation Details

Entry percentile scores
X-ray source: SSRF BEAMLINE BL17U1
Spacegroup: P42212
Unit cell:
a: 88.966Å b: 88.966Å c: 143.445Å
α: 90° β: 90° γ: 90°
R-values:
R R work R free
0.217 0.215 0.249
Expression systems:
  • Escherichia coli BL21(DE3)
  • Not provided