SMTL ID : 5tgx.3 (2 other biounits)

Restriction/modification system-Type II R-SwaI complexed with partially cleaved DNA

Coordinates

PDB Format

Method

X-RAY DIFFRACTION 2.30 Å

Oligo State

homo-dimer

Ligands

2 x CA: CALCIUM ION(Non-covalent)

CA.1: 4 residues within 4Å: Chain A: D.76, D.93, F.94 Chain C: A.15 5 PLIP interactions: 3 interactions with chain A, 2 Ligand-Water interactions Metal complexes: A:D.76, A:D.93, A:F.94, H2O.1, H2O.1 CA.2: 5 residues within 4Å: Chain B: D.76, D.93, F.94, K.95 Chain D: A.15 5 PLIP interactions: 3 interactions with chain B, 2 Ligand-Water interactions Metal complexes: B:D.76, B:D.93, B:F.94, H2O.2, H2O.3

1 x EDO: 1,2-ETHANEDIOL(Non-functional Binders)

EDO.3: 4 residues within 4Å: Chain B: E.159, S.160, K.192 Chain C: C.10 3 PLIP interactions: 3 interactions with chain B Hydrogen bonds: B:E.159 Water bridges: B:K.192, B:E.195

Links

RCSB   PDBe   PDBe-KB   PDBj   PDBsum   CATH   PLIP

Citation

Shen, B.W. et al., DNA recognition by the SwaI restriction endonuclease involves unusual distortion of an 8 base pair A:T-rich target. Nucleic Acids Res. (2017)

Release Date

2016-12-21

Peptides

R-SwaI protein: AB

SMTL:PDB

SMTL Chain Id:
PDB Chain Id:

A
C

B
D

R-SwaI protein

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