3SM4: Crystal Structure of the K131A Mutant of Lambda Exonuclease in Complex with a 5'-Phosphorylated 14-mer/12-mer Duplex and Magnesium

PDB ID: 3SM4Download
MMDB ID: 92433
PDB Deposition Date: 2011/6/27
Updated in MMDB: 2017/11
Experimental Method:
x-ray diffraction
Resolution: 1.88  Å
Source Organism:
synthetic construct▼
Similar Structures:
Biological Unit for 3SM4: pentameric; determined by author and by software (PISA)
Molecular Components in 3SM4
Label Count Molecule
Proteins (3 molecules)
3
Exonuclease
Molecule annotation
Nucleotides(2 molecules)
1
5'-d(*tp*cp*gp*gp*tp*ap*cp*ap*gp*tp*ap*g)-3'
Molecule annotation
1
5'-d(p*ap*gp*cp*tp*ap*cp*tp*gp*tp*ap*cp*cp*gp*a)-3'
Molecule annotation
Chemicals and Non-standard biopolymers (6 molecules)
1
2
PHOSPHATE IONPHOSPHATE ION
2
2
CHLORIDE IONCHLORIDE ION
3
2
MAGNESIUM IONMAGNESIUM ION
* 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