SMTL ID : 4cpb.2 (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 3 PLIP interactions: 3 interactions with chain A Hydrogen bonds: A:T.104, A:N.107 Water bridges: A:T.104 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 4 PLIP interactions: 4 interactions with chain B Hydrogen bonds: B:T.104, B:T.104, B:N.107 Water bridges: B:H.50

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, P.38, H.50, P.51, Q.53 Ligands: GAL.2 1 PLIP interactions: 1 interactions with chain A pi-Stacking: A:H.50 CN8.7: 6 residues within 4Å: Chain B: Y.36, E.49, H.50, P.51, Q.53 Ligands: GAL.6 1 PLIP interactions: 1 interactions with chain B pi-Stacking: B:H.50

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

PEG.4: 5 residues within 4Å: Chain A: E.11, A.12, I.56, K.68, I.97 2 PLIP interactions: 2 interactions with chain A Hydrogen bonds: A:A.12, A:K.68

1 x EDO: 1,2-ETHANEDIOL(Non-functional Binders)

EDO.8: 3 residues within 4Å: Chain B: A.12, K.68, I.97 2 PLIP interactions: 2 interactions with chain B Hydrogen bonds: B:A.12, B:K.68

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
A

B
B

PA-I GALACTOPHILIC LECTIN

Related Entries With Identical Sequence