SMTL ID : 1enc.1

CRYSTAL STRUCTURES OF THE BINARY CA2+ AND PDTP COMPLEXES AND THE TERNARY COMPLEX OF THE ASP 21->GLU MUTANT OF STAPHYLOCOCCAL NUCLEASE. IMPLICATIONS FOR CATALYSIS AND LIGAND BINDING

Coordinates

PDB Format

Method

X-RAY DIFFRACTION 1.95 Å

Oligo State

monomer

Ligands

1 x CA: CALCIUM ION(Non-covalent)

CA.1: 5 residues within 4Å: Chain A: E.21, D.40, T.41, E.43 Ligands: THP.2 4 PLIP interactions: 4 interactions with chain A Metal complexes: A:E.21, A:E.21, A:D.40, A:E.43

1 x THP: THYMIDINE-3',5'-DIPHOSPHATE(Non-covalent)

THP.2: 13 residues within 4Å: Chain A: E.21, R.35, L.36, D.40, E.43, D.83, K.84, Y.85, R.87, L.89, Y.113, Y.115 Ligands: CA.1 13 PLIP interactions: 13 interactions with chain A Hydrophobic interactions: A:R.35, A:Y.113, A:Y.113 Hydrogen bonds: A:E.21, A:E.21, A:E.43, A:Y.85, A:R.87, A:Y.113 Water bridges: A:K.84 Salt bridges: A:R.35, A:K.84, A:R.87

Links

RCSB   PDBe   PDBe-KB   PDBj   PDBsum   CATH   PLIP

Citation

Libson, A.M. et al., Crystal structures of the binary Ca2+ and pdTp complexes and the ternary complex of the Asp21-->Glu mutant of staphylococcal nuclease. Implications for catalysis and ligand binding. Biochemistry (1994)

Release Date

1994-05-31

Peptides

STAPHYLOCOCCAL NUCLEASE: A

SMTL:PDB

SMTL Chain Id:
PDB Chain Id:

A
A

STAPHYLOCOCCAL NUCLEASE