SMTL ID : 3rid.1 (1 other biounit)

X-ray structure of the C-terminal swapped dimer of P114A variant of Ribonuclease A

Coordinates

PDB Format Compare

Method

X-RAY DIFFRACTION 2.18 Å

Oligo State

homo-dimer

Ligands

2 x CGP: 2'-DEOXYCYTIDINE-2'-DEOXYGUANOSINE-3',5'-MONOPHOSPHATE(Non-covalent)

CGP.1: 10 residues within 4Å: Chain A: H.12, V.43, N.44, T.45, R.85, E.86 Chain B: F.120, D.121, A.122 Ligands: PO4.2 9 PLIP interactions: 4 interactions with chain B, 5 interactions with chain A Hydrophobic interactions: B:A.122, A:R.85 Water bridges: B:H.119, B:H.119, B:F.120, A:N.44 Hydrogen bonds: A:T.45, A:T.45, A:E.86 CGP.4: 11 residues within 4Å: Chain A: F.120, D.121, A.122 Chain B: H.12, V.43, N.44, T.45, K.66, R.85, E.86 Ligands: PO4.3 11 PLIP interactions: 10 interactions with chain B, 1 interactions with chain A Hydrogen bonds: B:T.45, B:T.45, B:K.66, B:E.86 Water bridges: B:K.66, B:R.85, B:R.85, B:R.85, B:K.98 Salt bridges: B:R.85 Hydrophobic interactions: A:A.122

2 x PO4: PHOSPHATE ION(Non-functional Binders)

PO4.2: 6 residues within 4Å: Chain A: Q.11, H.12, K.41 Chain B: H.119, F.120 Ligands: CGP.1 5 PLIP interactions: 3 interactions with chain B, 2 interactions with chain A Hydrogen bonds: B:F.120, B:F.120 Salt bridges: B:H.119, A:H.12, A:K.41 PO4.3: 6 residues within 4Å: Chain A: H.119, F.120 Chain B: Q.11, H.12, K.41 Ligands: CGP.4 7 PLIP interactions: 2 interactions with chain A, 5 interactions with chain B Hydrogen bonds: A:F.120, B:Q.11 Salt bridges: A:H.119, B:H.12, B:K.41 Water bridges: B:K.7, B:Q.11

Links

RCSB   PDBe   PDBe-KB   PDBj   PDBsum   CATH   PLIP

Citation

Merlino, A. et al., Chain termini cross-talk in the swapping process of bovine pancreatic ribonuclease. Biochimie (2012)

Release Date

2012-02-15

Peptides

Ribonuclease pancreatic: AB

SMTL:PDB

SMTL Chain Id:
PDB Chain Id:

A
A

B
B

Ribonuclease pancreatic

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