SMTL ID : 4al9.2 (1 other biounit)

Crystal structure of the lectin PA-IL from Pseudomonas aeruginoas in complex with melibiose

Coordinates

PDB Format Compare

Method

X-RAY DIFFRACTION 1.75 Å

Oligo State

homo-tetramer

Ligands

2 x GLC- GLA: alpha-D-galactopyranose-(1-6)-alpha-D-glucopyranose(Non-covalent)

GLC-GLA.1: 9 residues within 4Å: Chain B: Y.36, H.50, Q.53, D.100, V.101, T.104, N.107 Ligands: CA.6, EDO.7 1 PLIP interactions: 1 interactions with chain B Hydrogen bonds: B:T.104, B:T.104, B:N.107 Water bridges: B:P.51, B:T.104, B:N.107, B:Q.53 GLC-GLA.2: 7 residues within 4Å: Chain D: Y.36, H.50, Q.53, D.100, T.104, N.107 Ligands: CA.11 2 PLIP interactions: 2 interactions with chain D Hydrogen bonds: D:T.104, D:T.104, D:N.107 Water bridges: D:P.51, D:T.104, D:N.107, D:Q.53, D:N.107

4 x CA: CALCIUM ION(Non-covalent)

CA.3: 6 residues within 4Å: Chain A: Y.36, D.100, T.104, N.107, N.108 Ligands: GLA.4 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: GLC-GLA.1 3 PLIP interactions: 3 interactions with chain B Metal complexes: B:Y.36, B:D.100, B:T.104 CA.8: 6 residues within 4Å: Chain C: Y.36, D.100, T.104, N.107, N.108 Ligands: GLA.9 3 PLIP interactions: 3 interactions with chain C Metal complexes: C:Y.36, C:D.100, C:T.104 CA.11: 6 residues within 4Å: Chain D: Y.36, D.100, T.104, N.107, N.108 Ligands: GLC-GLA.2 3 PLIP interactions: 3 interactions with chain D Metal complexes: D:Y.36, D:D.100, D:T.104

2 x GLA: alpha-D-galactopyranose(Non-covalent)

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

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

EDO.5: 8 residues within 4Å: Chain A: G.43, P.44, Q.45, T.79 Chain B: G.43, P.44, Q.45, T.79 8 PLIP interactions: 5 interactions with chain B, 3 interactions with chain A Hydrogen bonds: B:G.43, B:G.43, B:Q.45, B:Q.45, A:Q.45, A:Q.45 Water bridges: B:G.46, A:G.43 EDO.7: 4 residues within 4Å: Chain B: G.37, P.38, N.107 Ligands: GLC-GLA.1 2 PLIP interactions: 2 interactions with chain B Hydrogen bonds: B:G.37, B:N.107 EDO.10: 8 residues within 4Å: Chain C: G.43, P.44, Q.45, T.79 Chain D: G.43, P.44, Q.45, T.79 8 PLIP interactions: 4 interactions with chain C, 4 interactions with chain D Hydrogen bonds: C:G.43, C:G.43, C:Q.45, C:Q.45, D:G.43, D:G.43, D:Q.45, D:Q.45

Links

RCSB   PDBe   PDBe-KB   PDBj   PDBsum   CATH   PLIP

Citation

Blanchard, B. et al., Secondary Sugar Binding Site Identified for Leca Lectin from Pseudomonas Aeruginosa. Proteins (2014)

Release Date

2013-03-20

Peptides

PA-I GALACTOPHILIC LECTIN: ABCD

SMTL:PDB

SMTL Chain Id:
PDB Chain Id:

A
E

B
F

C
G

D
H

PA-I GALACTOPHILIC LECTIN

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