SMTL ID : 4cpb.3 (2 other biounits)

CRYSTAL STRUCTURE OF LECA IN COMPLEX WITH A DIVALENT GALACTOSIDE AT 1. 57 ANGSTROM IN MAGNESIUM

Coordinates

PDB Format

Method

X-RAY DIFFRACTION 1.57 Å

Oligo State

homo-dimer

Ligands

2 x CA: CALCIUM ION(Non-covalent)

CA.1: 6 residues within 4Å: Chain A: Y.36, D.100, T.104, N.107, N.108 Ligands: GAL.2 3 PLIP interactions: 3 interactions with chain A Metal complexes: A:Y.36, A:D.100, A:T.104 CA.5: 6 residues within 4Å: Chain B: Y.36, D.100, T.104, N.107, N.108 Ligands: GAL.6 3 PLIP interactions: 3 interactions with chain B Metal complexes: B:Y.36, B:D.100, B:T.104

2 x GAL: beta-D-galactopyranose(Non-covalent)

GAL.2: 9 residues within 4Å: Chain A: Y.36, H.50, Q.53, D.100, V.101, T.104, N.107 Ligands: CA.1, CN8.3 4 PLIP interactions: 4 interactions with chain A Hydrogen bonds: A:T.104, A:N.107 Water bridges: A:H.50, A:P.51 GAL.6: 9 residues within 4Å: Chain B: Y.36, H.50, Q.53, D.100, V.101, T.104, N.107 Ligands: CA.5, CN8.7 7 PLIP interactions: 7 interactions with chain B Hydrogen bonds: B:D.100, B:N.107 Water bridges: B:H.50, B:P.51, B:T.104, B:T.104, B:G.106

2 x CN8: (4S)-N-ethyl-4-{[N-methyl-3-(1-{2-[(4-sulfanylbenzoyl)amino]ethyl}-1H-1,2,3-triazol-4-yl)-L-alanyl]amino}-L-prolinamide(Non-covalent)

CN8.3: 6 residues within 4Å: Chain A: Y.36, E.49, H.50, P.51, Q.53 Ligands: GAL.2 1 PLIP interactions: 1 interactions with chain A pi-Stacking: A:H.50 CN8.7: 5 residues within 4Å: Chain B: Y.36, H.50, P.51, Q.53 Ligands: GAL.6 1 PLIP interactions: 1 interactions with chain B pi-Stacking: B:H.50

1 x 2PE: NONAETHYLENE GLYCOL(Non-covalent)

2PE.4: 10 residues within 4Å: Chain B: E.11, A.12, I.56, K.68, G.70, N.71, S.72, G.73, T.95, I.97 3 PLIP interactions: 3 interactions with chain B Hydrogen bonds: B:K.68, B:N.71 Water bridges: B:T.74

1 x CL: CHLORIDE ION(Non-functional Binders)

CL.8: 3 residues within 4Å: Chain B: L.7, N.10, Q.14 Ligand excluded by PLIP

Links

RCSB   PDBe   PDBe-KB   PDBj   PDBsum   CATH   PLIP

Citation

Novoa, A. et al., A Leca Ligand Identified from a Galactoside-Conjugate Array Inhibits Host Cell Invasion by Pseudomonas Aeruginosa. Angew.Chem.Int.Ed.Engl. (2014)

Release Date

2014-10-08

Peptides

PA-I GALACTOPHILIC LECTIN: AB

SMTL:PDB

SMTL Chain Id:
PDB Chain Id:

A
C

B
D

PA-I GALACTOPHILIC LECTIN

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