1QFF

E. COLI FERRIC HYDROXAMATE UPTAKE RECEPTOR (FHUA) IN COMPLEX WITH BOUND FERRICHROME-IRON

PDB DOI: https://doi.org/10.2210/pdb1QFF/pdb

Classification: METAL TRANSPORT
Organism(s): Escherichia coli
Expression System: Escherichia coli
Mutation(s): No
Membrane Protein: Yes PDBTMMemProtMDmpstruc

Deposited: 1999-04-10 Released: 2000-07-26
Deposition Author(s): Ferguson, A.D., Hofmann, E., Coulton, J.W., Diederichs, K., Welte, W.

Experimental Data Snapshot

Method: X-RAY DIFFRACTION
Resolution: 2.70 Å
R-Value Free: 0.276
R-Value Work: 0.231
R-Value Observed: 0.231

wwPDB Validation 3D Report Full Report

This is version 2.1 of the entry. See complete history.

Macromolecule Content

Total Structure Weight: 85.24 kDa
Atom Count: 5,972
Modelled Residue Count: 707
Deposited Residue Count: 725
Unique protein chains: 1

Macromolecules

Find similar proteins by:

(by identity cutoff) | 3D Structure

Entity ID: 1
Molecule	Chains	Sequence Length	Organism	Details	Image
FERRIC HYDROXAMATE UPTAKE RECEPTOR	A	725	Escherichia coli	Mutation(s): 0 Membrane Entity: Yes
UniProt
Find proteins for P06971 (Escherichia coli (strain K12)) Explore P06971 Go to UniProtKB: P06971
Entity Groups
Sequence Clusters	30% Identity50% Identity70% Identity90% Identity95% Identity100% Identity
UniProt Group	P06971
Sequence Annotations Expand
Reference Sequence

Oligosaccharides

Help

Entity ID: 2
Molecule	Chains	Length	2D Diagram	Glycosylation	3D Interactions
alpha-D-glucopyranose-(1-3)-[alpha-D-galactopyranose-(1-6)]alpha-D-glucopyranose-(1-3)-L-glycero-alpha-D-manno-heptopyranose-(1-3)-L-glycero-alpha-D-manno-heptopyranose-(1-5)-[3-deoxy-alpha-D-manno-oct-2-ulopyranosonic acid-(2-4)]3-deoxy-alpha-D-manno-oct-2-ulopyranosonic acid-(2-6)-2-amino-2,3-dideoxy-alpha-D-glucoyranose-(1-6)-2-amino-2-deoxy-alpha-D-glucopyranose	B	9		N/A	Interactions Focus chain B
Glycosylation Resources
GlyTouCan: G65093ZO GlyCosmos: G65093ZO

Small Molecules

Ligands 8 Unique
ID	Chains	Name / Formula / InChI Key	2D Diagram	3D Interactions
FCI Query on FCI Download Ideal Coordinates CCD File SDF format, chain M [auth A] MOL2 format, chain M [auth A]	M [auth A]	FERRICROCIN-IRON C₂₈ H₄₄ Fe N₉ O₁₃ FNBCUYMSQPYITB-AFXYHRJJSA-N		Interactions Focus chain M [auth A]
FTT Query on FTT Download Ideal Coordinates CCD File SDF format, chain E [auth A] SDF format, chain F [auth A] SDF format, chain G [auth A] SDF format, chain I [auth A] MOL2 format, chain E [auth A] MOL2 format, chain F [auth A] MOL2 format, chain G [auth A] MOL2 format, chain I [auth A]	E [auth A], F [auth A], G [auth A], I [auth A]	3-HYDROXY-TETRADECANOIC ACID C₁₄ H₂₈ O₃ ATRNZOYKSNPPBF-CYBMUJFWSA-N		Interactions Focus chain E [auth A] Focus chain F [auth A] Focus chain G [auth A] Focus chain I [auth A]
MYR Query on MYR Download Ideal Coordinates CCD File SDF format, chain J [auth A] MOL2 format, chain J [auth A]	J [auth A]	MYRISTIC ACID C₁₄ H₂₈ O₂ TUNFSRHWOTWDNC-UHFFFAOYSA-N		Interactions Focus chain J [auth A]
DDQ Query on DDQ Download Ideal Coordinates CCD File SDF format, chain N [auth A] SDF format, chain O [auth A] MOL2 format, chain N [auth A] MOL2 format, chain O [auth A]	N [auth A], O [auth A]	DECYLAMINE-N,N-DIMETHYL-N-OXIDE C₁₂ H₂₇ N O ZRKZFNZPJKEWPC-UHFFFAOYSA-N		Interactions Focus chain N [auth A] Focus chain O [auth A]
DAO Query on DAO Download Ideal Coordinates CCD File SDF format, chain H [auth A] MOL2 format, chain H [auth A]	H [auth A]	LAURIC ACID C₁₂ H₂₄ O₂ POULHZVOKOAJMA-UHFFFAOYSA-N		Interactions Focus chain H [auth A]
DPO Query on DPO Download Ideal Coordinates CCD File SDF format, chain K [auth A] MOL2 format, chain K [auth A]	K [auth A]	DIPHOSPHATE O₇ P₂ XPPKVPWEQAFLFU-UHFFFAOYSA-J		Interactions Focus chain K [auth A]
EAP Query on EAP Download Ideal Coordinates CCD File SDF format, chain L [auth A] MOL2 format, chain L [auth A]	L [auth A]	2-AMINO-VINYL-PHOSPHATE C₂ H₆ N O₄ P KYMLMTPYCDIFEC-OWOJBTEDSA-N		Interactions Focus chain L [auth A]
PO4 Query on PO4 Download Ideal Coordinates CCD File SDF format, chain C [auth A] SDF format, chain D [auth A] MOL2 format, chain C [auth A] MOL2 format, chain D [auth A]	C [auth A], D [auth A]	PHOSPHATE ION O₄ P NBIIXXVUZAFLBC-UHFFFAOYSA-K		Interactions Focus chain C [auth A] Focus chain D [auth A]

Modified Residues 1 Unique
ID	Chains	Type	Formula	2D Diagram	Parent
MSE Query on MSE	A	L-PEPTIDE LINKING	C₅ H₁₁ N O₂ Se		MET

Experimental Data & Validation

Experimental Data

Method: X-RAY DIFFRACTION
Resolution: 2.70 Å
R-Value Free: 0.276
R-Value Work: 0.231
R-Value Observed: 0.231
Space Group: P 6₁

Unit Cell:

Length ( Å )	Angle ( ˚ )
a = 171.4	α = 90
b = 171.4	β = 90
c = 85.7	γ = 120

Software Package:

Software Name	Purpose
XSCALE	data scaling
CNS	refinement
CNS	phasing

Structure Validation

View Full Validation Report

Entry History

Deposition Data

Released Date: 2000-07-26

Deposition Author(s):

Revision History (Full details and data files)

Version 1.0: 2000-07-26
Type: Initial release
Version 1.1: 2008-04-26
Changes: Version format compliance
Version 1.2: 2011-07-13
Changes: Version format compliance
Version 1.3: 2012-06-20
Changes: Non-polymer description
Version 1.4: 2017-10-04
Changes: Refinement description
Version 1.5: 2018-06-27
Changes: Data collection, Derived calculations
Version 1.6: 2019-11-27
Changes: Data collection, Database references, Derived calculations
Version 2.0: 2020-07-29
Type: Remediation
Reason: Carbohydrate remediation
Changes: Advisory, Atomic model, Data collection, Derived calculations, Structure summary
Version 2.1: 2022-12-21
Changes: Database references, Derived calculations, Structure summary