6qex

Nanodisc reconstituted human ABCB1 in complex with UIC2 fab and taxol

Method: ELECTRON MICROSCOPY Dmax: 188.4 Å Quality: REASONABLE

1. Protein Identity and Related Structures Protein Identity & Related Structures

Multidrug resistance protein 1

Homo sapiens

UniProt P08183

State in the Current Structure

Assembly Oligomeric State Construct Mutations and Modifications Ligands, Ions and Associated Components Method and Experimental Conditions Structure Quality
1 Protein heterocomplex Heteromer Protein × 3 PDB declaration: trimeric(3) Consistent with protein copy count Chain A; UniProt 1–1280 Not recorded UIC2 Fab lightchain × 1 UIC2 Fab heavy chain × 1 NAG 2-acetamido-2-deoxy-beta-D-glucopyranose × 3 CLR CHOLESTEROL × 16 TA1 TAXOL × 1 3PE 1,2-Distearoyl-sn-glycerophosphoethanolamine × 2 ELECTRON MICROSCOPY cryo-EM buffer:pH 7.5 cryo-EM vitrification conditions:Cryogen ETHANE-PROPANE Resolution 3.60 Å

Other States of the Same Protein in the Database

Each row is a biological assembly of the same UniProt protein in another PDB entry. The “Difference from current entry” column identifies evidence-level differences; no tag means the currently parsed fields agree.

21 other PDB entries and 21 assemblies. Open the comparison page and filter oligomeric states

View Construct and Data Evidence
UniProt name MDR1_HUMAN
Isoform
PDB entities 1
Chains and sequence ranges Author chain A; PDBConstruct 1–1280; UniProt 1–1280

The page prioritizes protein identity, the current assembly, associated components, oligomeric state and cross-PDB links. Chain mapping and sequence ranges are retained as data evidence. Internal IDs, import timestamps and assembly operation expressions are maintenance fields and are not shown here.

SAXS scattering curve SAXS Profile

SAXS profile for 6qex

P(r) Distance Distribution P(r) Distribution

P(r) distribution for 6qex
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2. Structure Basics 2. Structure Basics

Entry ID entry_id6qex
Deposition date deposition_date2019-01-08
Structure title titleNanodisc reconstituted human ABCB1 in complex with UIC2 fab and taxol
Keywords keywordsABCB1, p-glycoprotein, p-gp, multidrug exporter, ABC transporter, MEMBRANE PROTEIN; MEMBRANE PROTEIN
Experimental Method methodELECTRON MICROSCOPY

3. SAXS Parameters (CRYSOL theoretical calculation) 3. SAXS Parameters (CRYSOL)

Radius of gyration Rg (Guinier) rg_guinier57.44
Radius of gyration Rg (electron density) rg_electron56.82
Forward intensity I(0) i0441270000.00
Molecular weight molecular_weight187860.0 kDa
Excluded volume excluded_volume241050 ų
Envelope volume envelope_volume359100 ų
Hydration-shell volume shell_volume59876 ų
Envelope diameter envelope_diameter202.4
Shell Rg shell_rg48.09
Envelope Rg envelope_rg57.41
Shape Rg shape_rg56.79
Total Rg total_rg56.60
Total atoms total_atoms13248
Residues n_residues1627
Spherical-harmonic order n_harmonics20
q range q_range— – 0.5000 −1
Data points n_points101
Shell type shell_typedirectional
Solvent electron density solvent_density0.3340 e/ų
Shell contrast contrast_shell0.0300 e/ų
CRYSOL version crysol_version4.1.3

4. P(r) Distance Distribution (GNOM inversion) 4. P(r) Analysis (GNOM)

Maximum dimension Dmax dmax188.4
Rg (real space) rg_real58.49
Rg uncertainty (real space) rg_real_error2.12
I(0) (real space) i0_real4.4130e+08
I(0) uncertainty (real space) i0_real_error8.5720e+06
Rg (reciprocal space) rg_reciprocal56.52
I(0) (reciprocal space) i0_reciprocal439900000.0000
Solution quality estimate total_estimate0.7005
Solution quality rating solution_quality REASONABLE a REASONABLE solution
P(r) peaks n_peaks2
Primary peak position r_peak_primary41.9
Skewness Skewness skewness0.619
Kurtosis Kurtosis kurtosis-0.510
Angular range angular_range— – 0.1350 −1
Current regularization parameter α current_alpha0.0000
Highest regularization parameter α highest_alpha20560000.0000
Real-space data points n_real_points28
GNOM version gnom_version4.1.3
Quality Criteria quality_criteria AN1: 0.000; Oscil: 0.559; Stabil: 1.000; Sysdev: 1.000; Positv: 1.000; Valcen: 0.415; Smooth: 0.012

5. Crystallography and Experiment 5. Crystallography & Experiment

6. Entities and Polymers Entities & Polymers (7)

7. Fold Classification (SCOP + CATH) 3 domains

CATH v4.4 (3 domains)

Domain ID domain_id6qexB01
Class class2 — Mainly Beta
Architecture architecture60 — Sandwich
Topology topology40 — Immunoglobulin-like
Homologous superfamily homologous superfamily10 — Immunoglobulins
Domain ID domain_id6qexB02
Class class2 — Mainly Beta
Architecture architecture60 — Sandwich
Topology topology40 — Immunoglobulin-like
Homologous superfamily homologous superfamily10 — Immunoglobulins
Domain ID domain_id6qexC02
Class class2 — Mainly Beta
Architecture architecture60 — Sandwich
Topology topology40 — Immunoglobulin-like
Homologous superfamily homologous superfamily10 — Immunoglobulins

8. Citations (1)

9. Files and Curves (10)