SMTL ID : 1evx.1

APO CRYSTAL STRUCTURE OF THE HOMING ENDONUCLEASE, I-PPOI

Coordinates

PDB Format

Method

X-RAY DIFFRACTION 2.00 Å

Oligo State

homo-dimer

Ligands

4 x ZN: ZINC ION(Non-covalent)

ZN.1: 4 residues within 4Å: Chain A: C.124, C.131, H.133, C.137 4 PLIP interactions: 4 interactions with chain A Metal complexes: A:C.124, A:C.131, A:H.133, A:C.137 ZN.2: 4 residues within 4Å: Chain A: C.40, C.99, C.104, H.109 4 PLIP interactions: 4 interactions with chain A Metal complexes: A:C.40, A:C.99, A:C.104, A:H.109 ZN.4: 4 residues within 4Å: Chain B: C.124, C.131, H.133, C.137 4 PLIP interactions: 4 interactions with chain B Metal complexes: B:C.124, B:C.131, B:H.133, B:C.137 ZN.5: 4 residues within 4Å: Chain B: C.40, C.99, C.104, H.109 4 PLIP interactions: 4 interactions with chain B Metal complexes: B:C.40, B:C.99, B:C.104, B:H.109

4 x SO4: SULFATE ION(Non-functional Binders)

SO4.3: 5 residues within 4Å: Chain A: R.60, G.75, S.76, H.77, T.78 5 PLIP interactions: 5 interactions with chain A Hydrogen bonds: A:S.76, A:H.77, A:T.78 Water bridges: A:W.61 Salt bridges: A:H.77 SO4.6: 6 residues within 4Å: Chain B: R.60, W.61, G.75, S.76, H.77, T.78 10 PLIP interactions: 10 interactions with chain B Hydrogen bonds: B:W.61, B:H.77, B:T.78 Water bridges: B:R.60, B:G.75, B:H.77, B:H.77, B:A.95 Salt bridges: B:R.60, B:H.77 SO4.7: 3 residues within 4Å: Chain B: T.25, H.27, T.37 3 PLIP interactions: 3 interactions with chain B Hydrogen bonds: B:T.37, B:T.37 Salt bridges: B:H.27 SO4.8: 6 residues within 4Å: Chain B: G.31, G.32, G.33, P.125, Q.140, Y.144 5 PLIP interactions: 5 interactions with chain B Hydrogen bonds: B:G.32, B:G.33, B:Q.140, B:Y.144, B:Y.144

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

2000-08-02

Peptides

INTRON-ENCODED HOMING ENDONUCLEASE I-PPOI: AB

SMTL:PDB

SMTL Chain Id:
PDB Chain Id:

A
A

B
B

INTRON-ENCODED HOMING ENDONUCLEASE I-PPOI

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