› 4i62

X-ray diffraction
1.05Å resolution

1.05 Angstrom crystal structure of an amino acid ABC transporter substrate-binding protein AbpA from Streptococcus pneumoniae Canada MDR_19A bound to L-arginine

Released:
DOI: 10.2210/pdb4i62/pdb
PDB 4i62 coloured by chain and viewed from the front.
PDB 4i62 coloured by chain and viewed from the side.
PDB 4i62 coloured by chain and viewed from the top.
Source organism: Streptococcus pneumoniae str. Canada MDR_19A
Entry authors: Stogios PJ, Kudritska M, Wawrzak Z, Minasov G, Yim V, Savchenko A, Anderson WF, Center for Structural Genomics of Infectious Diseases (CSGID)

Function and Biology Details

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

Structure analysis Details

Assembly composition:
monomeric (preferred)
Entry contents:
1 distinct polypeptide molecule
Macromolecule:
Amino acid ABC transporter, periplasmic amino acid-binding protein, putative Chain: A
Molecule details ›
Chain: A
Length: 269 amino acids
Theoretical weight: 29.3 KDa
Source organism: Streptococcus pneumoniae str. Canada MDR_19A
Expression system: Escherichia coli BL21(DE3)
UniProt:
  • Canonical: A0A0H2ZN67 (Residues: 1-268; Coverage: 100%)
Gene name: SPD_0109
Sequence domains: Bacterial extracellular solute-binding proteins, family 3
Structure domains: Periplasmic binding protein-like II

Ligands and Environments

2 bound ligands:
Ligand ARG 1 x ARG
Ligand CL 2 x CL
No modified residues

Experiments and Validation Details

Entry percentile scores
X-ray source: APS BEAMLINE 21-ID-G
Spacegroup: P21
Unit cell:
a: 42.682Å b: 55.028Å c: 46.673Å
α: 90° β: 114.09° γ: 90°
R-values:
R R work R free
0.166 0.166 0.179
Expression system: Escherichia coli BL21(DE3)

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