› 1jop

X-ray diffraction
2.6Å resolution

YHCH protein (HI0227)

Released:
DOI: 10.2210/pdb1jop/pdb
PDB entry 1jop coloured by chain, front view.
PDB entry 1jop coloured by chain, side view.
PDB entry 1jop coloured by chain, top view.
Source organism: Haemophilus influenzae
Primary publication:
Crystal structure of the bacterial YhcH protein indicates a role in sialic acid catabolism.
Teplyakov A, Obmolova G, Toedt J, Galperin MY, Gilliland GL
J Bacteriol 187 5520-7 (2005)
PMID: 16077096

Function and Biology Details

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

Structure analysis Details

Assembly composition:
homo dimer (preferred)
Assembly name:
PDBe Complex ID:
PDB-CPX-155191 (preferred)
Entry contents:
1 distinct polypeptide molecule
Macromolecule:
N-acetylneuraminate anomerase Chains: A, B, C, D
Molecule details ›
Chains: A, B, C, D
Length: 155 amino acids
Theoretical weight: 17.69 KDa
Source organism: Haemophilus influenzae
Expression system: Escherichia coli
UniProt:
  • Canonical: P44583 (Residues: 1-155; Coverage: 100%)
Gene names: HI_0227, nanQ
Sequence domains: YhcH/YjgK/YiaL
Structure domains: YhcH/YjgK/YiaL

Ligands and Environments

1 bound ligand:
Ligand HG 12 x HG
No modified residues

Experiments and Validation Details

Entry percentile scores
X-ray source: APS BEAMLINE 17-ID
Spacegroup: P21
Unit cell:
a: 43.1Å b: 152.3Å c: 53.4Å
α: 90° β: 113.6° γ: 90°
R-values:
R R work R free
0.185 0.185 not available
Expression system: Escherichia coli

Quick links

Citations

16 citation in other articles

Toxin-antitoxin systems in Escherichia coli influence biofilm formation through YjgK (TabA) and fimbriae.
Kim et al. (2009)
15 more

2 mentions without citation

Identification and functional analysis of 'hypothetical' genes expressed in Haemophilus influenzae.
Kolker et al. (2004)
1 more