SMTL ID : 6pqk.2 (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

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

EDO.1: 4 residues within 4Å: Chain A: T.24, F.25, I.94, N.95 3 PLIP interactions: 3 interactions with chain A Hydrogen bonds: A:F.25, A:N.95 Water bridges: A:D.104 EDO.2: 6 residues within 4Å: Chain A: K.116, T.117, T.118, D.119, T.123, T.125 6 PLIP interactions: 6 interactions with chain A Hydrogen bonds: A:T.118, A:D.119, A:D.119, A:T.125 Water bridges: A:T.123, A:T.123

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

PO4.3: 5 residues within 4Å: Chain B: K.61, N.66, G.67, C.68, E.69 5 PLIP interactions: 5 interactions with chain B Hydrogen bonds: B:G.67, B:C.68, B:E.69 Water bridges: B:S.70 Salt bridges: B:K.61

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
C

B
B

Ribonuclease

Barstar

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