SMTL ID : 6pqk.1 (1 other biounit)

Cryogenic crystal structure of barnase A43C/S80C bound to barstar C40A/S59C/A67C/C82A

Coordinates

PDB Format Compare

Method

X-RAY DIFFRACTION 1.20 Å

Oligo State

hetero-1-1-mer

Ligands

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

PO4.1: 4 residues within 4Å: Chain A: P.82, L.113, Y.115, K.126 4 PLIP interactions: 4 interactions with chain A Hydrogen bonds: A:Y.115, A:Y.115 Water bridges: A:K.126 Salt bridges: A:K.126 PO4.4: 0 residues within 4Å: (No contacts) No protein-ligand interaction detected (PLIP) PO4.5: 5 residues within 4Å: Chain B: K.61, N.66, G.67, C.68, E.69 6 PLIP interactions: 6 interactions with chain B Hydrogen bonds: B:N.66, B:G.67, B:C.68, B:E.69 Water bridges: B:S.70 Salt bridges: B:K.61

2 x EDO: 1,2-ETHANEDIOL(Non-functional Binders)

EDO.2: 4 residues within 4Å: Chain A: T.24, F.25, I.94, N.95 4 PLIP interactions: 4 interactions with chain A Hydrogen bonds: A:F.25, A:N.95 Water bridges: A:D.26, A:D.104 EDO.3: 6 residues within 4Å: Chain A: K.116, T.117, T.118, D.119, T.123, T.125 4 PLIP interactions: 4 interactions with chain A Hydrogen bonds: A:T.118, A:D.119, A:T.123, A:T.123

Links

RCSB   PDBe   PDBe-KB   PDBj   PDBsum   CATH   PLIP

Citation

Caro, J.A. et al., Targeting conformational entropy to modulate binding affinity. To Be Published

Release Date

2020-07-15

Peptides

Ribonuclease: A
Barstar: B

SMTL:PDB

SMTL Chain Id:
PDB Chain Id:

A
A

B
D

Ribonuclease

Barstar

Related Entries With Identical Sequence