› 3fm2

X-ray diffraction
1.8Å resolution

CRYSTAL STRUCTURE OF A PUTATIVE HEME-BINDING PROTEIN (AVA_4353) FROM ANABAENA VARIABILIS ATCC 29413 AT 1.80 A RESOLUTION

Released:
DOI: 10.2210/pdb3fm2/pdb
PDB entry 3fm2 coloured by chain, front view.
PDB entry 3fm2 coloured by chain, side view.
PDB entry 3fm2 coloured by chain, top view.
Source organism: Trichormus variabilis ATCC 29413
Entry author: Joint Center for Structural Genomics (JCSG)

Function and Biology Details

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

Structure analysis Details

Assembly composition:
homo dimer (preferred)
Assembly name:
PDBe Complex ID:
PDB-CPX-174740 (preferred)
Entry contents:
1 distinct polypeptide molecule
Macromolecule:
Heme utilization protein HuvX Chains: A, B
Molecule details ›
Chains: A, B
Length: 135 amino acids
Theoretical weight: 15.56 KDa
Source organism: Trichormus variabilis ATCC 29413
Expression system: Escherichia coli
UniProt:
  • Canonical: Q3M4Y5 (Residues: 1-134; Coverage: 100%)
Gene name: Ava_4353
Sequence domains: Haem utilisation ChuX/HutX
Structure domains: HemS/ChuS/ChuX like domains

Ligands and Environments

2 bound ligands:
Ligand ZN 2 x ZN
Ligand ACT 3 x ACT
1 modified residue:
Ligand MSE 6 x MSE

Experiments and Validation Details

Entry percentile scores
X-ray source: SSRL BEAMLINE BL11-1
Spacegroup: P212121
Unit cell:
a: 51.23Å b: 61.75Å c: 84.51Å
α: 90° β: 90° γ: 90°
R-values:
R R work R free
0.197 0.196 0.219
Expression system: Escherichia coli

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