SMTL ID : 3f8g.1

The X-ray structure of a dimeric variant of human pancreatic ribonuclease with high cytotoxic and antitumor activities

Coordinates

PDB Format

Method

X-RAY DIFFRACTION 2.60 Å

Oligo State

homo-dimer

Ligands

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

SO4.1: 3 residues within 4Å: Chain A: R.4, G.111, G.112 2 PLIP interactions: 2 interactions with chain A Hydrogen bonds: A:G.112 Salt bridges: A:R.4 SO4.2: 6 residues within 4Å: Chain A: Q.11, H.12, K.41, V.118, H.119, F.120 6 PLIP interactions: 6 interactions with chain A Hydrogen bonds: A:Q.11, A:F.120 Water bridges: A:F.120 Salt bridges: A:H.12, A:K.41, A:H.119 SO4.3: 2 residues within 4Å: Chain B: H.105, E.125 2 PLIP interactions: 2 interactions with chain B Hydrogen bonds: B:E.125 Salt bridges: B:H.105 SO4.4: 3 residues within 4Å: Chain B: T.87, N.88, R.98 3 PLIP interactions: 3 interactions with chain B Hydrogen bonds: B:N.88, B:N.88 Salt bridges: B:R.98 SO4.5: 4 residues within 4Å: Chain B: Q.11, H.12, H.119, F.120 10 PLIP interactions: 10 interactions with chain B Hydrogen bonds: B:Q.11, B:H.12, B:F.120 Water bridges: B:K.41, B:K.41, B:K.41, B:H.119, B:H.119 Salt bridges: B:K.41, B:H.119

Links

RCSB   PDBe   PDBe-KB   PDBj   PDBsum   CATH   PLIP

Citation

Merlino, A. et al., Structural features for the mechanism of antitumor action of a dimeric human pancreatic ribonuclease variant. Protein Sci. (2009)

Release Date

2009-02-10

Peptides

Ribonuclease pancreatic: AB

SMTL:PDB

SMTL Chain Id:
PDB Chain Id:

A
A

B
B

Ribonuclease pancreatic