Structure of TonB in complex with FhuA, E. coli outer membrane receptor.

Pawelek, P.D; Croteau, N; Ng-Thow-Hing, C; Khursigara, C.M; Moiseeva, N; Allaire, M; Coulton, J.W.

Macromolecule Content

Unique protein chains: 2

2GRX

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

DOI: 10.2210/pdb2grx/pdb

Classification: METAL TRANSPORT
Deposited: 2006-04-25 Released: 2006-06-13
Deposition author(s): Pawelek, P.D., Allaire, M., Coulton, J.W.
Organism: Escherichia coli
Expression System: Escherichia coli

Experimental Data Snapshot

Method: X-RAY DIFFRACTION
Resolution: 3.3 Å
R-Value Free: 0.329
R-Value Work: 0.284

wwPDB Validation 3D Report Full Report

Literature

Macromolecules

Classification: METAL TRANSPORT

Total Structure Weight: 216873.98

Macromolecule Entities
Molecule	Chains	Length	Organism	Details
Ferrichrome-iron receptor	A, B	725	Escherichia coli	Gene Name(s): fhuA tonA b0150 JW0146
Metabolic Pathways Maps: Reactions: ESCHER BiGG
Protein Feature View - UniProtKB AC: P06971 UniProt Full Protein Feature View for P06971 Find similar proteins by: Sequence \| Structure Show Detailed Protein Feature View for P06971/2GRX
Protein tonB	C, D	229	Escherichia coli	Gene Name(s): tonB exbA b1252 JW5195
Metabolic Pathways Maps: Reactions: ESCHER BiGG
Protein Feature View - UniProtKB AC: P02929 UniProt Full Protein Feature View for P02929 Find similar proteins by: Sequence \| Structure Show Detailed Protein Feature View for P02929/2GRX

Membrane Protein

Source: mpstruc | Group: BETA-BARREL

Subgroup Name: Beta-Barrel Membrane Proteins: Monomeric/Dimeric

Protein Name: FhuA, Ferrichrome-iron receptor without ligand

Small Molecules

Ligands 10 Unique
ID	Chains	Name / Formula / InChI Key	2D Diagram & Interactions	3D Interactions
FCI Query on FCI Download SDF File Download CCD File	A, B	FERRICROCIN-IRON C₂₈ H₄₄ Fe N₉ O₁₃ FNBCUYMSQPYITB-JWBZYWNVDF	Poseview Image of FCI in 2GRX Help Black dashed lines indicate hydrogen bonds, salt bridges, and metal interactions. Green solid line show hydrophobic interactions and green dashed lines show π-π and π-cation interactions. Source Information Interactions are determined by geometric criteria as described in K. Stierand, M. Rarey (2010), Drawing the PDB: Protein-ligand complexes in two dimensions, ACS Med. Chem. Lett., DOI: 10.1021/ml100164p. Ions and some metal complexes are excluded, as well as cases where no interaction profile could be generated. Poseview diagrams can be calculated for approximately 92% of the remaining complexes in the PDB. PoseView is developed at the Center for Bioinformatics Hamburg and jointly provided with BioSolveIT as a community service at the PDB. A stand-alone version is provided by BioSolveIT.	Ligand Explorer NGL Binding Pocket (JSmol) Electron Density (JSmol)
FTT Query on FTT Download SDF File Download CCD File	A, B	3-HYDROXY-TETRADECANOIC ACID 3-HYDROXY-MYRISTIC ACID (Synonym) C₁₄ H₂₈ O₃ ATRNZOYKSNPPBF-CYBMUJFWSA-N	Poseview Image of FTT in 2GRX Help Black dashed lines indicate hydrogen bonds, salt bridges, and metal interactions. Green solid line show hydrophobic interactions and green dashed lines show π-π and π-cation interactions. Source Information Interactions are determined by geometric criteria as described in K. Stierand, M. Rarey (2010), Drawing the PDB: Protein-ligand complexes in two dimensions, ACS Med. Chem. Lett., DOI: 10.1021/ml100164p. Ions and some metal complexes are excluded, as well as cases where no interaction profile could be generated. Poseview diagrams can be calculated for approximately 92% of the remaining complexes in the PDB. PoseView is developed at the Center for Bioinformatics Hamburg and jointly provided with BioSolveIT as a community service at the PDB. A stand-alone version is provided by BioSolveIT.	Ligand Explorer NGL Binding Pocket (JSmol) Electron Density (JSmol)
KDO Query on KDO Download SDF File Download CCD File	A, B	3-DEOXY-D-MANNO-OCT-2-ULOSONIC ACID C₈ H₁₄ O₈ NNLZBVFSCVTSLA-HXUQBWEZSA-N	Poseview Image of KDO in 2GRX Help Black dashed lines indicate hydrogen bonds, salt bridges, and metal interactions. Green solid line show hydrophobic interactions and green dashed lines show π-π and π-cation interactions. Source Information Interactions are determined by geometric criteria as described in K. Stierand, M. Rarey (2010), Drawing the PDB: Protein-ligand complexes in two dimensions, ACS Med. Chem. Lett., DOI: 10.1021/ml100164p. Ions and some metal complexes are excluded, as well as cases where no interaction profile could be generated. Poseview diagrams can be calculated for approximately 92% of the remaining complexes in the PDB. PoseView is developed at the Center for Bioinformatics Hamburg and jointly provided with BioSolveIT as a community service at the PDB. A stand-alone version is provided by BioSolveIT.	Ligand Explorer NGL Binding Pocket (JSmol) Electron Density (JSmol)
MYR Query on MYR Download SDF File Download CCD File	B	MYRISTIC ACID C₁₄ H₂₈ O₂ TUNFSRHWOTWDNC-UHFFFAOYSA-N	Poseview Image of MYR in 2GRX Help Black dashed lines indicate hydrogen bonds, salt bridges, and metal interactions. Green solid line show hydrophobic interactions and green dashed lines show π-π and π-cation interactions. Source Information Interactions are determined by geometric criteria as described in K. Stierand, M. Rarey (2010), Drawing the PDB: Protein-ligand complexes in two dimensions, ACS Med. Chem. Lett., DOI: 10.1021/ml100164p. Ions and some metal complexes are excluded, as well as cases where no interaction profile could be generated. Poseview diagrams can be calculated for approximately 92% of the remaining complexes in the PDB. PoseView is developed at the Center for Bioinformatics Hamburg and jointly provided with BioSolveIT as a community service at the PDB. A stand-alone version is provided by BioSolveIT.	Ligand Explorer NGL Binding Pocket (JSmol) Electron Density (JSmol)
GMH Query on GMH Download SDF File Download CCD File	A, B	L-GLYCERO-D-MANNO-HEPTOPYRANOSE C₇ H₁₄ O₇ BGWQRWREUZVRGI-QQABCQGCSA-N	Poseview Image of GMH in 2GRX Help Black dashed lines indicate hydrogen bonds, salt bridges, and metal interactions. Green solid line show hydrophobic interactions and green dashed lines show π-π and π-cation interactions. Source Information Interactions are determined by geometric criteria as described in K. Stierand, M. Rarey (2010), Drawing the PDB: Protein-ligand complexes in two dimensions, ACS Med. Chem. Lett., DOI: 10.1021/ml100164p. Ions and some metal complexes are excluded, as well as cases where no interaction profile could be generated. Poseview diagrams can be calculated for approximately 92% of the remaining complexes in the PDB. PoseView is developed at the Center for Bioinformatics Hamburg and jointly provided with BioSolveIT as a community service at the PDB. A stand-alone version is provided by BioSolveIT.	Ligand Explorer NGL Binding Pocket (JSmol) Electron Density (JSmol)
DAO Query on DAO Download SDF File Download CCD File	A, B	LAURIC ACID C₁₂ H₂₄ O₂ POULHZVOKOAJMA-UHFFFAOYSA-N	Poseview Image of DAO in 2GRX Help Black dashed lines indicate hydrogen bonds, salt bridges, and metal interactions. Green solid line show hydrophobic interactions and green dashed lines show π-π and π-cation interactions. Source Information Interactions are determined by geometric criteria as described in K. Stierand, M. Rarey (2010), Drawing the PDB: Protein-ligand complexes in two dimensions, ACS Med. Chem. Lett., DOI: 10.1021/ml100164p. Ions and some metal complexes are excluded, as well as cases where no interaction profile could be generated. Poseview diagrams can be calculated for approximately 92% of the remaining complexes in the PDB. PoseView is developed at the Center for Bioinformatics Hamburg and jointly provided with BioSolveIT as a community service at the PDB. A stand-alone version is provided by BioSolveIT.	Ligand Explorer NGL Binding Pocket (JSmol) Electron Density (JSmol)
DPO Query on DPO Download SDF File Download CCD File	A, B	DIPHOSPHATE O₇ P₂ XPPKVPWEQAFLFU-UHFFFAOYSA-J	Poseview Image of DPO in 2GRX Help Black dashed lines indicate hydrogen bonds, salt bridges, and metal interactions. Green solid line show hydrophobic interactions and green dashed lines show π-π and π-cation interactions. Source Information Interactions are determined by geometric criteria as described in K. Stierand, M. Rarey (2010), Drawing the PDB: Protein-ligand complexes in two dimensions, ACS Med. Chem. Lett., DOI: 10.1021/ml100164p. Ions and some metal complexes are excluded, as well as cases where no interaction profile could be generated. Poseview diagrams can be calculated for approximately 92% of the remaining complexes in the PDB. PoseView is developed at the Center for Bioinformatics Hamburg and jointly provided with BioSolveIT as a community service at the PDB. A stand-alone version is provided by BioSolveIT.	Ligand Explorer NGL Binding Pocket (JSmol) Electron Density (JSmol)
GCN Query on GCN Download SDF File Download CCD File	A, B	3-DEOXY-D-GLUCOSAMINE C₆ H₁₃ N O₄ SNDZDGQLFKEBLF-MOJAZDJTSA-N	Poseview Image of GCN in 2GRX Help Black dashed lines indicate hydrogen bonds, salt bridges, and metal interactions. Green solid line show hydrophobic interactions and green dashed lines show π-π and π-cation interactions. Source Information Interactions are determined by geometric criteria as described in K. Stierand, M. Rarey (2010), Drawing the PDB: Protein-ligand complexes in two dimensions, ACS Med. Chem. Lett., DOI: 10.1021/ml100164p. Ions and some metal complexes are excluded, as well as cases where no interaction profile could be generated. Poseview diagrams can be calculated for approximately 92% of the remaining complexes in the PDB. PoseView is developed at the Center for Bioinformatics Hamburg and jointly provided with BioSolveIT as a community service at the PDB. A stand-alone version is provided by BioSolveIT.	Ligand Explorer NGL Binding Pocket (JSmol) Electron Density (JSmol)
EAP Query on EAP Download SDF File Download CCD File	A, B	2-AMINO-VINYL-PHOSPHATE C₂ H₆ N O₄ P KYMLMTPYCDIFEC-OWOJBTEDSA-N	Poseview Image of EAP in 2GRX Help Black dashed lines indicate hydrogen bonds, salt bridges, and metal interactions. Green solid line show hydrophobic interactions and green dashed lines show π-π and π-cation interactions. Source Information Interactions are determined by geometric criteria as described in K. Stierand, M. Rarey (2010), Drawing the PDB: Protein-ligand complexes in two dimensions, ACS Med. Chem. Lett., DOI: 10.1021/ml100164p. Ions and some metal complexes are excluded, as well as cases where no interaction profile could be generated. Poseview diagrams can be calculated for approximately 92% of the remaining complexes in the PDB. PoseView is developed at the Center for Bioinformatics Hamburg and jointly provided with BioSolveIT as a community service at the PDB. A stand-alone version is provided by BioSolveIT.	Ligand Explorer NGL Binding Pocket (JSmol) Electron Density (JSmol)
PO4 Query on PO4 Download SDF File Download CCD File	A, B	PHOSPHATE ION O₄ P NBIIXXVUZAFLBC-UHFFFAOYSA-K	Poseview Image of PO4 in 2GRX Help Black dashed lines indicate hydrogen bonds, salt bridges, and metal interactions. Green solid line show hydrophobic interactions and green dashed lines show π-π and π-cation interactions. Source Information Interactions are determined by geometric criteria as described in K. Stierand, M. Rarey (2010), Drawing the PDB: Protein-ligand complexes in two dimensions, ACS Med. Chem. Lett., DOI: 10.1021/ml100164p. Ions and some metal complexes are excluded, as well as cases where no interaction profile could be generated. Poseview diagrams can be calculated for approximately 92% of the remaining complexes in the PDB. PoseView is developed at the Center for Bioinformatics Hamburg and jointly provided with BioSolveIT as a community service at the PDB. A stand-alone version is provided by BioSolveIT.	Ligand Explorer NGL Binding Pocket (JSmol) Electron Density (JSmol)