› 4obb

X-ray diffraction
1.53Å resolution

The crystal structure of a solute-binding protein from Anabaena variabilis ATCC 29413 in complex with (3S)-3-methyl-2-oxopentanoic acid.

Released:
DOI: 10.2210/pdb4obb/pdb
PDB entry 4obb coloured by chain, front view.
PDB entry 4obb coloured by chain, side view.
PDB entry 4obb coloured by chain, top view.
Source organism: Trichormus variabilis ATCC 29413
Entry authors: Tan K, Li H, Jedrzejczak R, Joachimiak A, Midwest Center for Structural Genomics (MCSG)

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-174772 (preferred)
Entry contents:
1 distinct polypeptide molecule
Macromolecule:
Leucine-binding protein domain-containing protein Chains: A, B
Molecule details ›
Chains: A, B
Length: 395 amino acids
Theoretical weight: 42.36 KDa
Source organism: Trichormus variabilis ATCC 29413
Expression system: Escherichia coli BL21(DE3)
UniProt:
  • Canonical: Q3MFZ5 (Residues: 25-416; Coverage: 99%)
Gene name: Ava_0465
Sequence domains: Periplasmic binding protein
Structure domains: Rossmann fold

Ligands and Environments

2 bound ligands:
Ligand 1QQ 2 x 1QQ
Ligand MG 2 x MG
1 modified residue:
Ligand MSE 2 x MSE

Experiments and Validation Details

Entry percentile scores
X-ray source: APS BEAMLINE 19-ID
Spacegroup: C2221
Unit cell:
a: 98.736Å b: 100.814Å c: 150.638Å
α: 90° β: 90° γ: 90°
R-values:
R R work R free
0.134 0.132 0.178
Expression system: Escherichia coli BL21(DE3)

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