SMTL ID : 3bir.1

DISECTING HISTIDINE INTERACTIONS IN RIBONUCLEASE T1 BY ASN AND GLN SUBSTITUTIONS

Coordinates

PDB Format Compare

Method

X-RAY DIFFRACTION 1.80 Å

Oligo State

monomer

Ligands

2 x CA: CALCIUM ION(Non-covalent)

CA.1: 1 residues within 4Å: Chain A: D.15 5 PLIP interactions: 2 interactions with chain A, 3 Ligand-Water interactions Metal complexes: A:D.15, A:D.15, H2O.1, H2O.1, H2O.2 CA.2: 2 residues within 4Å: Chain A: N.98 Ligands: 2GP.3 No protein-ligand interaction detected (PLIP)

1 x 2GP: GUANOSINE-2'-MONOPHOSPHATE(Non-covalent)

2GP.3: 14 residues within 4Å: Chain A: N.36, Y.38, H.40, K.41, Y.42, N.43, N.44, Y.45, E.46, E.58, N.98, N.99, F.100 Ligands: CA.2 17 PLIP interactions: 17 interactions with chain A Hydrogen bonds: A:N.36, A:Y.38, A:Y.42, A:N.43, A:N.44, A:Y.45, A:N.98, A:N.98, A:N.98 Water bridges: A:R.77, A:R.77, A:R.77, A:R.77 Salt bridges: A:H.40, A:E.46 pi-Stacking: A:Y.45, A:Y.45

Links

RCSB   PDBe   PDBe-KB   PDBj   PDBsum   CATH   PLIP

Citation

De Vos, S. et al., Dissecting histidine interactions of ribonuclease T1 with asparagine and glutamine replacements: analysis of double mutant cycles at one position. J.Mol.Biol. (1998)

Release Date

1997-12-31

Peptides

RIBONUCLEASE T1: A

SMTL:PDB

SMTL Chain Id:
PDB Chain Id:

A
A

RIBONUCLEASE T1