SMTL ID : 5lzj.1

Cholera toxin El Tor B-pentamer in complex with inhibitor Laura237

Coordinates

PDB Format Compare

Method

X-RAY DIFFRACTION 1.20 Å

Oligo State

homo-pentamer

Ligands

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

SO4.1: 3 residues within 4Å: Chain A: Y.12, H.13, W.88 2 PLIP interactions: 2 interactions with chain A Hydrogen bonds: A:H.13, A:H.13

2 x PEG: DI(HYDROXYETHYL)ETHER(Non-functional Binders)

PEG.2: 5 residues within 4Å: Chain B: E.11, Y.12 Chain C: G.33, K.34, R.35 No protein-ligand interaction detected (PLIP) PEG.7: 4 residues within 4Å: Chain D: E.11, Y.12 Chain E: K.34, R.35 No protein-ligand interaction detected (PLIP)

2 x PGE: TRIETHYLENE GLYCOL(Non-functional Binders)

PGE.3: 5 residues within 4Å: Chain B: T.78, E.79 Chain C: Y.76, L.77, E.79 No protein-ligand interaction detected (PLIP) PGE.5: 9 residues within 4Å: Chain C: T.78, E.79, A.80, N.103 Chain D: K.23, I.24, Y.76, L.77, E.79 3 PLIP interactions: 3 interactions with chain D Hydrogen bonds: D:I.24, D:E.79 Water bridges: D:E.79

2 x 7BT: (~{Z})-~{N}-[2-[(2~{R},3~{R},4~{R},5~{R},6~{R})-6-(hydroxymethyl)-3,4,5-tris(oxidanyl)oxan-2-yl]ethyl]-3-(3,4,5-trimethoxyphenyl)prop-2-enamide(Non-covalent)

7BT.4: 9 residues within 4Å: Chain C: H.13, N.14, E.51, Q.56, H.57, Q.61, W.88, N.90, K.91 8 PLIP interactions: 8 interactions with chain C Hydrogen bonds: C:E.51, C:Q.56, C:Q.61, C:Q.61, C:N.90, C:N.90 Water bridges: C:H.13, C:E.51 7BT.6: 9 residues within 4Å: Chain D: H.13, N.14, E.51, Q.56, H.57, Q.61, W.88, N.90, K.91 6 PLIP interactions: 6 interactions with chain D Hydrogen bonds: D:E.51, D:Q.56, D:Q.61, D:Q.61, D:N.90, D:N.90

Links

RCSB   PDBe   PDBe-KB   PDBj   PDBsum   CATH   PLIP

Citation

Heggelund, J.E. et al., Towards new cholera prophylactics and treatment: Crystal structures of bacterial enterotoxins in complex with GM1 mimics. Sci Rep (2017)

Release Date

2017-05-31

Peptides

Cholera enterotoxin subunit B: ABCDE

SMTL:PDB

SMTL Chain Id:
PDB Chain Id:

A
A

B
B

C
C

D
D

E
E

Cholera enterotoxin subunit B

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