SMTL ID : 2o3b.1

Crystal structure complex of Nuclease A (NucA) with intra-cellular inhibitor NuiA

Coordinates

PDB Format Compare

Method

X-RAY DIFFRACTION 2.30 Å

Oligo State

hetero-1-1-mer

Ligands

2 x NI: NICKEL (II) ION(Non-covalent)

NI.1: 4 residues within 4Å: Chain A: D.213, E.216, E.236 Ligands: NI.2 5 PLIP interactions: 3 interactions with chain A, 2 Ligand-Water interactions Metal complexes: A:D.213, A:E.216, A:E.236, H2O.2, H2O.7 NI.2: 6 residues within 4Å: Chain A: E.216, D.222, F.223, Q.232, E.236 Ligands: NI.1 5 PLIP interactions: 5 interactions with chain A Metal complexes: A:E.216, A:D.222, A:F.223, A:E.236, A:E.236

1 x MG: MAGNESIUM ION(Non-covalent)

MG.3: 4 residues within 4Å: Chain A: N.122, E.130 Chain B: E.25, T.136 5 PLIP interactions: 1 interactions with chain B, 4 Ligand-Water interactions Metal complexes: B:T.136, H2O.1, H2O.3, H2O.3, H2O.3

2 x MES: 2-(N-MORPHOLINO)-ETHANESULFONIC ACID(Non-covalent)

MES.4: 8 residues within 4Å: Chain A: E.59, R.60, Q.61 Chain B: V.62, S.66, F.67, R.70, R.107 2 PLIP interactions: 1 interactions with chain B, 1 interactions with chain A Salt bridges: B:R.107, A:E.59 MES.5: 6 residues within 4Å: Chain A: R.123, G.127, D.131 Chain B: E.110, V.111, T.136 2 PLIP interactions: 1 interactions with chain A, 1 interactions with chain B Salt bridges: A:D.131 Hydrogen bonds: B:T.136

Links

RCSB   PDBe   PDBe-KB   PDBj   PDBsum   CATH   PLIP

Citation

Ghosh, M. et al., The nuclease a-inhibitor complex is characterized by a novel metal ion bridge. J.Biol.Chem. (2007)

Release Date

2006-12-19

Peptides

Nuclease: A
Sugar-non-specific nuclease inhibitor: B

SMTL:PDB

SMTL Chain Id:
PDB Chain Id:

A
A

B
B

Nuclease

Sugar-non-specific nuclease inhibitor