7Q18

Beta-lactoglobulin mutant FAF (I56F/L39A/M107F), unliganded form

PDB DOI: https://doi.org/10.2210/pdb7Q18/pdb

Classification: TRANSPORT PROTEIN
Organism(s): Bos taurus
Expression System: Escherichia coli
Mutation(s): Yes

Deposited: 2021-10-18 Released: 2022-05-11
Deposition Author(s): Loch, J.I., Cymborowski, M.T., Minor, W., Lewinski, K.
Funding Organization(s): Not funded

Experimental Data Snapshot

Method: X-RAY DIFFRACTION
Resolution: 1.80 Å
R-Value Free: 0.233
R-Value Work: 0.199

wwPDB Validation 3D Report Full Report

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

Literature

New ligand-binding sites identified in the crystal structures of [beta]-lactoglobulin complexes with desipramine

Loch, J.I., Barciszewski, J., Sliwiak, J., Bonarek, P., Wrobel, P., Pokrywka, K., Shabalin, I.G., Minor, W., Jaskolski, M., Lewinski, K.

(2022) IUCrJ 9: 386-398

DOI: https://doi.org/10.1107/S2052252522004183

Macromolecule Content

Total Structure Weight: 36.58 kDa
Atom Count: 2,446
Modelled Residue Count: 298
Deposited Residue Count: 324
Unique protein chains: 1

Macromolecules

Find similar proteins by:

(by identity cutoff) | 3D Structure

Entity ID: 1
Molecule	Chains	Sequence Length	Organism	Details	Image
Beta-lactoglobulin	A [auth AAA], B [auth BBB]	162	Bos taurus	Mutation(s): 5 Gene Names: LGB
UniProt
Find proteins for P02754 (Bos taurus) Explore P02754 Go to UniProtKB: P02754
Entity Groups
Sequence Clusters	30% Identity50% Identity70% Identity90% Identity95% Identity100% Identity
UniProt Group	P02754
Sequence Annotations Expand
Reference Sequence

Small Molecules

Ligands 1 Unique
ID	Chains	Name / Formula / InChI Key	2D Diagram	3D Interactions
SO4 Query on SO4 Download Ideal Coordinates CCD File SDF format, chain C [auth AAA] MOL2 format, chain C [auth AAA]	C [auth AAA]	SULFATE ION O₄ S QAOWNCQODCNURD-UHFFFAOYSA-L		Interactions Focus chain C [auth AAA] Interactions & Density Focus chain C [auth AAA]

Experimental Data & Validation

Experimental Data

Method: X-RAY DIFFRACTION
Resolution: 1.80 Å
R-Value Free: 0.233
R-Value Work: 0.199
Space Group: P 1 2₁ 1

Unit Cell:

Length ( Å )	Angle ( ˚ )
a = 45.905	α = 90
b = 64.298	β = 112.893
c = 55.497	γ = 90

Software Package:

Software Name	Purpose
REFMAC	refinement
HKL-3000	data reduction
HKL-3000	data scaling
PHASER	phasing

Structure Validation

View Full Validation Report

Entry History & Funding Information

Deposition Data

Released Date: 2022-05-11

Deposition Author(s):

Cymborowski, M.T.

Funding Organization	Location	Grant Number
Not funded		--

Revision History (Full details and data files)

Version 1.0: 2022-05-11
Type: Initial release
Version 1.1: 2024-01-31
Changes: Data collection, Derived calculations, Refinement description

RCSB PDB Core Operations are funded by the National Science Foundation (DBI-1832184), 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 R01GM133198.