› 3if2

X-ray diffraction
2.5Å resolution

Crystal structure of Putative amino-acid aminotransferase (YP_265399.1) from Psychrobacter arcticum 273-4 at 2.50 A resolution

Released:
DOI: 10.2210/pdb3if2/pdb
PDB entry 3if2 coloured by chain, front view.
PDB entry 3if2 coloured by chain, side view.
PDB entry 3if2 coloured by chain, top view.
Source organism: Psychrobacter arcticus 273-4
Entry author: Joint Center for Structural Genomics (JCSG)

Function and Biology Details

Biochemical function:
Biological process:
Cellular component:
Sequence domains:

Structure analysis Details

Assembly composition:
homo dimer (preferred)
Assembly name:
PDBe Complex ID:
PDB-CPX-175511 (preferred)
Entry contents:
1 distinct polypeptide molecule
Macromolecule:
Aminotransferase class I/classII domain-containing protein Chains: A, B
Molecule details ›
Chains: A, B
Length: 444 amino acids
Theoretical weight: 49.6 KDa
Source organism: Psychrobacter arcticus 273-4
Expression system: Escherichia coli
UniProt:
  • Canonical: Q4FPU3 (Residues: 1-443; Coverage: 100%)
Gene names: Psyc_2118, avtA
Sequence domains: Aminotransferase class I and II
Structure domains: Type I PLP-dependent aspartate aminotransferase-like (Major domain)

Ligands and Environments

3 bound ligands:
Ligand PLP 2 x PLP
Ligand GOL 2 x GOL
Ligand ACT 1 x ACT
1 modified residue:
Ligand MSE 20 x MSE

Experiments and Validation Details

Entry percentile scores
X-ray source: SSRL BEAMLINE BL9-2
Spacegroup: I4
Unit cell:
a: 152.813Å b: 152.813Å c: 100.614Å
α: 90° β: 90° γ: 90°
R-values:
R R work R free
0.181 0.178 0.221
Expression system: Escherichia coli

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