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3I3B:
E.coli (lacz) Beta-Galactosidase (M542A) in Complex with D-Galactopyranosyl-1-on
PDB ID:
3I3B
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MMDB ID:
81973
PDB Deposition Date:
2009/6/30
Updated in MMDB:
2021/10
Experimental Method:
x-ray diffraction
Resolution:
2.2 Å
Source Organism:
Escherichia coli K-12
Similar Structures:
VAST+
Download sequence data
Biological Unit for 3I3B: tetrameric; determined by software (PISA)
Molecular Components in 3I3B
Label
Count
Molecule
Proteins (4 molecules)
A
B
C
D
4
Beta-galactosidase
Chemicals and Non-standard biopolymers (157 molecules)
1
4
D-galactonolactone
2
11
MAGNESIUM ION
3
16
SODIUM ION
4
126
DIMETHYL SULFOXIDE
* Click molecule labels to explore molecular sequence information.
Citing MMDB
Madej T, Lanczycki CJ, Zhang D, Thiessen PA, Geer RC, Marchler-Bauer A, Bryant SH.
"
MMDB and VAST+: tracking structural similarities between macromolecular complexes.
Nucleic Acids Res. 2014 Jan; 42(Database issue)
:D297-303