SMTL ID : 2grx.2 (1 other biounit)

Crystal structure of TonB in complex with FhuA, E. coli outer membrane receptor for ferrichrome

Coordinates

PDB Format

Method

X-RAY DIFFRACTION 3.30 Å

Oligo State

hetero-1-1-mer

Ligands

1 x GCN- GCN- KDO- KDO- GMH: 3-deoxy-alpha-D-manno-oct-2-ulopyranosonic acid-(2-4)-[L-glycero-alpha-D-manno-heptopyranose-(1-5)]3-deoxy-alpha-D-manno-oct-2-ulopyranosonic acid-(2-6)-2-amino-2,3-dideoxy-alpha-D-glucoyranose-(1-6)-2-amino-2,3-dideoxy-alpha-D-glucoyranose

GCN-GCN-KDO-KDO-GMH.1: 13 residues within 4Å: Chain A: Q.353, R.382, R.384, D.386, L.437, R.474 Ligands: PO4.2, FTT.3, FTT.4, FTT.5, FTT.6, DPO.7, EAP.10 1 PLIP interactions: 1 interactions with chain A Hydrogen bonds: A:R.474 Salt bridges: A:R.384

1 x PO4: PHOSPHATE ION(Non-functional Binders)

PO4.2: 6 residues within 4Å: Chain A: E.304, K.351 Ligands: GCN-GCN-KDO-KDO-GMH.1, GCN-GCN-KDO-KDO-GMH.1, FTT.6, MYR.9 2 PLIP interactions: 2 interactions with chain A Hydrogen bonds: A:E.304 Salt bridges: A:K.351

4 x FTT: 3-HYDROXY-TETRADECANOIC ACID(Non-covalent)(Non-functional Binders)

FTT.3: 9 residues within 4Å: Chain A: Y.284, Q.298, F.380, R.382 Ligands: GCN-GCN-KDO-KDO-GMH.1, FTT.4, FTT.5, DPO.7, DAO.8 3 PLIP interactions: 3 interactions with chain A Hydrophobic interactions: A:F.380, A:F.380 Hydrogen bonds: A:R.382 FTT.4: 5 residues within 4Å: Ligands: GCN-GCN-KDO-KDO-GMH.1, FTT.3, FTT.5, FTT.6, DAO.8 No protein-ligand interaction detected (PLIP) FTT.5: 12 residues within 4Å: Chain A: F.229, Y.284, L.300, F.302, Q.353, R.382 Ligands: GCN-GCN-KDO-KDO-GMH.1, GCN-GCN-KDO-KDO-GMH.1, FTT.3, FTT.4, FTT.6, DAO.8 7 PLIP interactions: 7 interactions with chain A Hydrophobic interactions: A:F.229, A:Y.284, A:F.302, A:F.302, A:F.302 Hydrogen bonds: A:R.382, A:R.382 FTT.6: 8 residues within 4Å: Chain A: F.231, F.302, E.304 Ligands: GCN-GCN-KDO-KDO-GMH.1, PO4.2, FTT.4, FTT.5, MYR.9 3 PLIP interactions: 3 interactions with chain A Hydrophobic interactions: A:F.231, A:F.302, A:F.302

1 x DPO: DIPHOSPHATE(Non-covalent)

DPO.7: 5 residues within 4Å: Chain A: R.384, K.439 Ligands: GCN-GCN-KDO-KDO-GMH.1, GCN-GCN-KDO-KDO-GMH.1, FTT.3 3 PLIP interactions: 3 interactions with chain A Hydrogen bonds: A:R.384 Salt bridges: A:K.439, A:K.439

1 x DAO: LAURIC ACID(Non-covalent)

DAO.8: 6 residues within 4Å: Chain A: L.300, F.355, R.382 Ligands: FTT.3, FTT.4, FTT.5 2 PLIP interactions: 2 interactions with chain A Hydrophobic interactions: A:L.300 Hydrogen bonds: A:R.382

1 x MYR: MYRISTIC ACID(Non-covalent)

MYR.9: 6 residues within 4Å: Chain A: F.235, K.280, F.302, E.304 Ligands: PO4.2, FTT.6 2 PLIP interactions: 2 interactions with chain A Hydrophobic interactions: A:F.235, A:F.302

1 x EAP: 2-AMINO-VINYL-PHOSPHATE(Non-functional Binders)

EAP.10: 2 residues within 4Å: Ligands: GCN-GCN-KDO-KDO-GMH.1, GCN-GCN-KDO-KDO-GMH.1 No protein-ligand interaction detected (PLIP)

1 x FCI: FERRICROCIN-IRON(Non-covalent)

FCI.11: 11 residues within 4Å: Chain A: R.81, G.99, Q.100, F.115, Y.116, Y.244, W.246, Y.313, Y.315, F.391, F.704 12 PLIP interactions: 9 interactions with chain A, 3 Ligand-Ligand interactions Hydrophobic interactions: A:F.115, A:F.115, A:Y.116, A:Y.313, A:F.391 Hydrogen bonds: A:R.81, A:G.99, A:Y.116, A:Y.315 Metal complexes: FCI.11, FCI.11, FCI.11

Links

RCSB   PDBe   PDBe-KB   PDBj   PDBsum   CATH   PLIP

Citation

Pawelek, P.D. et al., Structure of TonB in complex with FhuA, E. coli outer membrane receptor. Science (2006)

Release Date

2006-06-13

Peptides

Ferrichrome-iron receptor: A
Protein tonB: B

SMTL:PDB

SMTL Chain Id:
PDB Chain Id:

A
B

B
D

Membrane

We predict this structure to be a membrane protein.
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Ferrichrome-iron receptor

Protein tonB

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