› 3fz5

X-ray diffraction
2.4Å resolution

Crystal structure of possible 2-hydroxychromene-2-carboxylate isomerase from Rhodobacter sphaeroides

Released:
DOI: 10.2210/pdb3fz5/pdb
PDB entry 3fz5 coloured by chain, front view.
PDB entry 3fz5 coloured by chain, side view.
PDB entry 3fz5 coloured by chain, top view.
Source organism: Cereibacter sphaeroides 2.4.1
Entry authors: Chang C, Hatzos C, Freeman L, Joachimiak A, Midwest Center for Structural Genomics (MCSG)

Function and Biology Details

Reaction catalysed: 
2-hydroxy-2H-chromene-2-carboxylate = (3E)-4-(2-hydroxyphenyl)-2-oxobut-3-enoate
Biochemical function:
Biological process:
Cellular component:
Sequence domains:

Structure analysis Details

Assembly composition:
homo dimer (preferred)
Assembly name:
PDBe Complex ID:
PDB-CPX-174616 (preferred)
Entry contents:
1 distinct polypeptide molecule
Macromolecule:
2-hydroxychromene-2-carboxylate isomerase Chains: A, B, C, D
Molecule details ›
Chains: A, B, C, D
Length: 202 amino acids
Theoretical weight: 22.83 KDa
Source organism: Cereibacter sphaeroides 2.4.1
Expression system: Escherichia coli
UniProt:
  • Canonical: Q3J568 (Residues: 1-199; Coverage: 100%)
Gene name: RSP_1916
Sequence domains: DSBA-like thioredoxin domain
Structure domains: Glutaredoxin

Ligands and Environments


Cofactor: Ligand GSH 3 x GSH
3 bound ligands:
Ligand CA 2 x CA
Ligand EDO 1 x EDO
Ligand PGE 1 x PGE
1 modified residue:
Ligand MSE 20 x MSE

Experiments and Validation Details

Entry percentile scores
X-ray source: APS BEAMLINE 19-ID
Spacegroup: P1
Unit cell:
a: 47.769Å b: 48.724Å c: 95.206Å
α: 94.61° β: 100.46° γ: 90.1°
R-values:
R R work R free
0.207 0.204 0.26
Expression system: Escherichia coli

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