SMTL ID : 6egz.2 (1 other biounit)

Crystal structure of cytochrome c in complex with di-PEGylated sulfonatocalix[4]arene

Coordinates

PDB Format

Method

X-RAY DIFFRACTION 2.17 Å

Oligo State

monomer

Ligands

1 x HEC: HEME C(Covalent)

HEC.1: 26 residues within 4Å: Chain A: R.18, C.19, C.22, H.23, V.33, G.34, P.35, L.37, I.40, S.45, G.46, Y.51, Y.53, T.54, N.57, W.64, M.69, Y.72, L.73, T.83, K.84, M.85, A.86, F.87, L.90, L.99 22 PLIP interactions: 22 interactions with chain A, Hydrophobic interactions: A:P.35, A:L.37, A:L.37, A:I.40, A:W.64, A:L.73, A:K.84, A:M.85, A:F.87, A:F.87, A:F.87, A:L.90, A:L.99 Hydrogen bonds: A:G.46, A:T.54, A:N.57, A:T.83, A:T.83, A:K.84 Salt bridges: A:K.84 pi-Stacking: A:Y.72 Metal complexes: A:H.23

3 x B4X: di-PEGylated sulfonatocalix[4]arene(Non-covalent)

B4X.2: 2 residues within 4Å: Chain A: R.18 Ligands: B4X.3 No protein-ligand interaction detected (PLIP) B4X.3: 8 residues within 4Å: Chain A: R.18, F.87, G.88, G.89, L.90, K.91, K.92 Ligands: B4X.2 7 PLIP interactions: 7 interactions with chain A Hydrophobic interactions: A:K.91 Hydrogen bonds: A:G.88, A:K.91, A:K.92 Salt bridges: A:R.18, A:R.18, A:K.92 B4X.4: 2 residues within 4Å: Chain A: K.77, G.82 2 PLIP interactions: 2 interactions with chain A Hydrogen bonds: A:G.82 Salt bridges: A:K.77

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

SO4.5: 3 residues within 4Å: Chain A: K.92, E.93, K.94 2 PLIP interactions: 2 interactions with chain A Hydrogen bonds: A:E.93, A:K.94

Links

RCSB   PDBe   PDBe-KB   PDBj   PDBsum   CATH   PLIP

Citation

Mummidivarapu, V.V.S. et al., Noncovalent PEGylation via Sulfonatocalix[4]arene-A Crystallographic Proof. Bioconjug.Chem. (2018)

Release Date

2018-10-10

Peptides

Cytochrome c iso-1: A

SMTL:PDB

SMTL Chain Id:
PDB Chain Id:

A
B

Cytochrome c iso-1

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