SMTL ID : 4lkf.1

Crystal Structure of Pseudomonas aeruginosa Lectin LecA Complexed with GalA-WKY at 1.64 A Resolution

Coordinates

PDB Format

Method

X-RAY DIFFRACTION 1.64 Å

Oligo State

homo-dimer

Ligands

2 x TRP- LYS- TYR- LEU: peptide WKYL(Non-functional Binders)

TRP-LYS-TYR-LEU.1: 1 residues within 4Å: Ligands: PHB.7 No protein-ligand interaction detected (PLIP) TRP-LYS-TYR-LEU.2: 1 residues within 4Å: Ligands: PHB.8 Protein-ligand interaction information (PLIP) not available

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

GAL.3: 9 residues within 4Å: Chain A: Y.36, H.50, Q.53, D.100, V.101, T.104, N.107 Ligands: CA.4, PHB.7 5 PLIP interactions: 5 interactions with chain A Hydrogen bonds: A:D.100, A:N.107 Water bridges: A:H.50, A:P.51, A:N.107 GAL.5: 9 residues within 4Å: Chain B: Y.36, H.50, Q.53, D.100, V.101, T.104, N.107 Ligands: CA.6, PHB.8 5 PLIP interactions: 5 interactions with chain B Hydrogen bonds: B:D.100, B:T.104, B:N.107 Water bridges: B:H.50, B:N.107

2 x CA: CALCIUM ION(Non-covalent)

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

2 x PHB: P-HYDROXYBENZOIC ACID(Non-covalent)

PHB.7: 6 residues within 4Å: Chain A: Y.36, P.38, H.50 Ligands: TRP-LYS-TYR-LEU.1, TRP-LYS-TYR-LEU.1, GAL.3 3 PLIP interactions: 3 interactions with chain A Hydrophobic interactions: A:P.38 Water bridges: A:N.107 pi-Stacking: A:H.50 PHB.8: 4 residues within 4Å: Chain B: Y.36, H.50 Ligands: TRP.2, GAL.5 2 PLIP interactions: 2 interactions with chain B Water bridges: B:N.107 pi-Stacking: B:H.50

Links

RCSB   PDBe   PDBe-KB   PDBj   PDBsum   CATH   PLIP

Citation

Kadam, R.U. et al., Structure-Based Optimization of the Terminal Tripeptide in Glycopeptide Dendrimer Inhibitors of Pseudomonas aeruginosa Biofilms Targeting LecA. Chemistry (2013)

Release Date

2013-12-18

Peptides

PA-I galactophilic lectin: AB

SMTL:PDB

SMTL Chain Id:
PDB Chain Id:

A
A

B
B

PA-I galactophilic lectin

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