SMTL ID : 1evw.2 (1 other biounit)

L116A MUTANT OF THE HOMING ENDONUCLEASE I-PPOI COMPLEXED TO HOMING SITE DNA.

Coordinates

PDB Format

Method

X-RAY DIFFRACTION 3.10 Å

Oligo State

homo-dimer

Ligands

1 x DG- DA- DG- DA- DG- DT- DC- DA: DNA (5'-D(P*GP*AP*GP*AP*GP*TP*CP*A)-3')(Non-covalent)

DG-DA-DG-DA-DG-DT-DC-DA.1: 21 residues within 4Å: Chain A: A.12 Chain B: T.1, G.2, A.3, C.4, T.5, C.6, T.7, C.8 Chain D: N.57, R.61, Q.63, R.74, G.76, T.79, T.95, A.96, S.97, H.98, N.119 Ligands: MG.3 8 PLIP interactions: 8 interactions with chain D Hydrophobic interactions: D:K.65, D:V.72 Hydrogen bonds: D:G.53, D:F.54, D:N.57, D:K.65, D:K.65 pi-Cation interactions: D:K.65

1 x DG- DG- DT- DA- DG- DC- DC- DA: DNA (5'-D(P*GP*GP*TP*AP*GP*CP*CP*A)-3')(Non-covalent)

DG-DG-DT-DA-DG-DC-DC-DA.2: 22 residues within 4Å: Chain A: T.1, G.2, G.3, C.4, T.5, A.6, C.7, C.8, T.9 Chain B: A.12 Chain C: N.57, R.61, Q.63, R.74, G.76, T.79, T.95, A.96, S.97, H.98, N.119 Ligands: MG.4 Protein-ligand interaction information (PLIP) not available

2 x MG: MAGNESIUM ION(Non-covalent)

MG.3: 3 residues within 4Å: Chain A: A.12 Chain D: N.119 Ligands: DG-DA-DG-DA-DG-DT-DC-DA.1 No protein-ligand interaction detected (PLIP) MG.4: 5 residues within 4Å: Chain B: A.12 Chain C: H.98, H.101, N.119 Ligands: DG-DG-DT-DA-DG-DC-DC-DA.2 No protein-ligand interaction detected (PLIP)

4 x ZN: ZINC ION(Non-covalent)

ZN.5: 4 residues within 4Å: Chain C: C.125, C.132, H.134, C.138 4 PLIP interactions: 4 interactions with chain C Metal complexes: C:C.125, C:C.132, C:H.134, C:C.138 ZN.6: 4 residues within 4Å: Chain C: C.41, C.100, C.105, H.110 4 PLIP interactions: 4 interactions with chain C Metal complexes: C:C.41, C:C.100, C:C.105, C:H.110 ZN.7: 4 residues within 4Å: Chain D: C.125, C.132, H.134, C.138 4 PLIP interactions: 4 interactions with chain D Metal complexes: D:C.125, D:C.132, D:H.134, D:C.138 ZN.8: 4 residues within 4Å: Chain D: C.41, C.100, C.105, H.110 4 PLIP interactions: 4 interactions with chain D Metal complexes: D:C.41, D:C.100, D:C.105, D:H.110

Links

RCSB   PDBe   PDBe-KB   PDBj   PDBsum   CATH   PLIP

Citation

Galburt, E.A. et al., Conformational changes and cleavage by the homing endonuclease I-PpoI: a critical role for a leucine residue in the active site. J.Mol.Biol. (2000)

Release Date

2000-08-03

Peptides

I-PPOI HOMING ENDONUCLEASE: CD

SMTL:PDB

SMTL Chain Id:
PDB Chain Id:

C
C

D
D

I-PPOI HOMING ENDONUCLEASE

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