3AKN | pdb_00003akn

X-ray structure of iFABP from human and rat with bound fluorescent fatty acid analogue

PDB DOI: https://doi.org/10.2210/pdb3AKN/pdb

Classification: TRANSPORT PROTEIN
Organism(s): Rattus norvegicus
Expression System: Escherichia coli
Mutation(s): No

Deposited: 2010-07-14 Released: 2011-07-20
Deposition Author(s): Wielens, J., Laguerre, A.J.K., Parker, M.W., Scanlon, M.J.

Experimental Data Snapshot

Method: X-RAY DIFFRACTION
Resolution: 1.60 Å
R-Value Free:
0.257 (Depositor), 0.268 (DCC)
R-Value Work:
0.225 (Depositor)
R-Value Observed:
0.226 (Depositor)

Starting Model: experimental
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Ligand Structure Quality Assessment

This is version 1.1 of the entry. See complete history.

Literature

Crystal structures of human and rat intestinal fatty acid binding protein in complex with 11-(Dansylamino)undecanoic acid

Laguerre, A.J.K., Wielens, J., Parker, M.W., Porter, C.J., Scanlon, M.J.

To be published.

Macromolecule Content

Total Structure Weight: 15.45 kDa
Atom Count: 1,127
Modeled Residue Count: 130
Deposited Residue Count: 131
Unique protein chains: 1

Macromolecules

Find similar proteins by:

Entity ID: 1
Molecule	Chains	Sequence Length	Organism	Details	Image
Fatty acid-binding protein, intestinal	A	131	Rattus norvegicus	Mutation(s): 0 Gene Names: Fabp2, Fabpi
UniProt
Find proteins for P02693 (Rattus norvegicus) Explore P02693 Go to UniProtKB: P02693
Entity Groups
Sequence Clusters	30% Identity 50% Identity 70% Identity 90% Identity 95% Identity 100% Identity
UniProt Group	P02693
Sequence Annotations Expand
Reference Sequence

Small Molecules

Ligands 1 Unique
ID	Chains	Name / Formula / InChI Key	2D Diagram	3D Interactions
11D Query on 11D Download:Ideal Coordinates CCD File SDF format, chain B [auth A] MOL2 format, chain B [auth A] mmCIF format, chain B [auth A]	B [auth A]	11-({[5-(dimethylamino)naphthalen-1-yl]sulfonyl}amino)undecanoic acid C₂₃ H₃₄ N₂ O₄ S CEPGVMDMVJGHFQ-UHFFFAOYSA-N		Interactions Focus chain B [auth A] Interactions & Density Focus chain B [auth A]

Experimental Data & Validation

Experimental Data

Method: X-RAY DIFFRACTION
Resolution: 1.60 Å
R-Value Free: 0.257 (Depositor), 0.268 (DCC)
R-Value Work: 0.225 (Depositor)
R-Value Observed: 0.226 (Depositor)

Space Group: P 4₃ 2₁ 2

Unit Cell:

Length ( Å )	Angle ( ˚ )
a = 50.59	α = 90
b = 50.59	β = 90
c = 97.452	γ = 90

Software Package:

Software Name	Purpose
Blu-Ice	data collection
AMoRE	phasing
REFMAC	refinement
MOSFLM	data reduction
SCALA	data scaling

Structure Validation

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Ligand Structure Quality Assessment

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Entry History

Deposition Data

Released Date: 2011-07-20

Deposition Author(s):

Laguerre, A.J.K.

Revision History (Full details and data files)

Version 1.0: 2011-07-20
Type: Initial release
Version 1.1: 2023-11-01
Changes: Data collection, Database references, Derived calculations, Refinement description

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RCSB PDB Core Operations are funded by the U.S. National Science Foundation (DBI-2321666), the US Department of Energy (DE-SC0019749), and the National Cancer Institute, National Institute of Allergy and Infectious Diseases, and National Institute of General Medical Sciences of the National Institutes of Health under grant R01GM157729. RCSB PDB uses resources of the National Energy Research Scientific Computing Center (NERSC), a Department of Energy User Facility.