SMTL ID : 5er5.1

Crystal Structure of Calcium-loaded S100B bound to SC1990

Coordinates

PDB Format

Method

X-RAY DIFFRACTION 1.26 Å

Oligo State

homo-dimer

Ligands

4 x CA: CALCIUM ION(Non-covalent)

CA.1: 8 residues within 4Å: Chain A: S.19, E.22, D.24, K.25, K.27, L.28, K.29, E.32 5 PLIP interactions: 4 interactions with chain A, 1 Ligand-Water interactions Metal complexes: A:S.19, A:E.22, A:E.32, A:E.32, H2O.1 CA.2: 7 residues within 4Å: Chain A: D.62, D.64, D.66, E.68, C.69, D.70, E.73 5 PLIP interactions: 4 interactions with chain A, 1 Ligand-Water interactions Metal complexes: A:D.62, A:E.68, A:E.73, A:E.73, H2O.2 CA.4: 8 residues within 4Å: Chain B: S.19, E.22, D.24, K.25, K.27, L.28, K.29, E.32 5 PLIP interactions: 4 interactions with chain B, 1 Ligand-Water interactions Metal complexes: B:S.19, B:E.22, B:E.32, B:E.32, H2O.7 CA.5: 7 residues within 4Å: Chain B: D.62, D.64, D.66, E.68, C.69, D.70, E.73 5 PLIP interactions: 4 interactions with chain B, 1 Ligand-Water interactions Metal complexes: B:D.62, B:E.68, B:E.73, B:E.73, H2O.9

2 x ET: ETHIDIUM(Non-covalent)

ET.3: 7 residues within 4Å: Chain A: H.86, F.89, E.90 Chain B: I.12, D.13, H.16, H.26 8 PLIP interactions: 6 interactions with chain B, 2 interactions with chain A Hydrophobic interactions: B:H.16, A:F.89, A:F.89 Hydrogen bonds: B:D.13, B:D.13 Water bridges: B:D.13 pi-Stacking: B:H.16, B:H.16 ET.6: 7 residues within 4Å: Chain A: I.12, D.13, H.16, H.26 Chain B: H.86, F.89, E.90 7 PLIP interactions: 5 interactions with chain A, 2 interactions with chain B Hydrophobic interactions: A:H.16, B:F.89, B:F.89 Hydrogen bonds: A:D.13 Water bridges: A:D.13 pi-Stacking: A:H.16, A:H.16

Links

RCSB   PDBe   PDBe-KB   PDBj   PDBsum   CATH   PLIP

Citation

Cavalier, M.C. et al., Novel protein-inhibitor interactions in site 3 of Ca(2+)-bound S100B as discovered by X-ray crystallography. Acta Crystallogr D Struct Biol (2016)

Release Date

2016-06-08

Peptides

Protein S100-B: AB

SMTL:PDB

SMTL Chain Id:
PDB Chain Id:

A
A

B
A

Protein S100-B

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