7a69

Nanodisc reconstituted human ABCB1 in complex with MRK16 Fab and vincristine

Method: ELECTRON MICROSCOPY Dmax: 191.0 Å Quality: SUSPICIOUS

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 MRK16 Fab-fragment light chain × 1 MRK16 Fab-fragment heavy chain × 1 R1Q vincristine × 1 CLR CHOLESTEROL × 8 ELECTRON MICROSCOPY cryo-EM buffer:pH 7.4 cryo-EM vitrification conditions:Cryogen ETHANE Resolution 3.20 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 7a69

P(r) Distance Distribution P(r) Distribution

P(r) distribution for 7a69
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2. Structure Basics 2. Structure Basics

Entry ID entry_id7a69
Deposition date deposition_date2020-08-25
Structure title titleNanodisc reconstituted human ABCB1 in complex with MRK16 Fab and vincristine
Keywords keywordsP-glycoprotein, MDR1, nanodisc, TRANSPORT PROTEIN; TRANSPORT PROTEIN
Experimental Method methodELECTRON MICROSCOPY

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

Radius of gyration Rg (Guinier) rg_guinier56.52
Radius of gyration Rg (electron density) rg_electron56.39
Forward intensity I(0) i0420367000.00
Molecular weight molecular_weight179230.0 kDa
Excluded volume excluded_volume228450 ų
Envelope volume envelope_volume333550 ų
Hydration-shell volume shell_volume56868 ų
Envelope diameter envelope_diameter200.8
Shell Rg shell_rg47.65
Envelope Rg envelope_rg56.21
Shape Rg shape_rg56.35
Total Rg total_rg56.21
Total atoms total_atoms12637
Residues n_residues1596
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 dmax191.0
Rg (real space) rg_real57.54
Rg uncertainty (real space) rg_real_error3.05
I(0) (real space) i0_real4.2040e+08
I(0) uncertainty (real space) i0_real_error1.0520e+07
Rg (reciprocal space) rg_reciprocal55.64
I(0) (reciprocal space) i0_reciprocal419200000.0000
Solution quality estimate total_estimate0.4665
Solution quality rating solution_quality SUSPICIOUS a SUSPICIOUS solution
P(r) peaks n_peaks2
Primary peak position r_peak_primary40.9
Skewness Skewness skewness0.633
Kurtosis Kurtosis kurtosis-0.486
Angular range angular_range— – 0.1400 −1
Current regularization parameter α current_alpha0.0000
Highest regularization parameter α highest_alpha23160000.0000
Real-space data points n_real_points29
GNOM version gnom_version4.1.3
Quality Criteria quality_criteria AN1: 0.000; Oscil: 0.493; Stabil: 1.000; Sysdev: 0.041; Positv: 1.000; Valcen: 0.434; Smooth: 0.025

5. Crystallography and Experiment 5. Crystallography & Experiment

6. Entities and Polymers Entities & Polymers (5)

7. Fold Classification (SCOP + CATH) 4 domains

CATH v4.4 (4 domains)

Domain ID domain_id7a69B01
Class class2 — Mainly Beta
Architecture architecture60 — Sandwich
Topology topology40 — Immunoglobulin-like
Homologous superfamily homologous superfamily10 — Immunoglobulins
Domain ID domain_id7a69B02
Class class2 — Mainly Beta
Architecture architecture60 — Sandwich
Topology topology40 — Immunoglobulin-like
Homologous superfamily homologous superfamily10 — Immunoglobulins
Domain ID domain_id7a69C01
Class class2 — Mainly Beta
Architecture architecture60 — Sandwich
Topology topology40 — Immunoglobulin-like
Homologous superfamily homologous superfamily10 — Immunoglobulins
Domain ID domain_id7a69C02
Class class2 — Mainly Beta
Architecture architecture60 — Sandwich
Topology topology40 — Immunoglobulin-like
Homologous superfamily homologous superfamily10 — Immunoglobulins

8. Citations (1)

9. Files and Curves (10)