9gi2

Truncated MmpL4 in nanodiscs in absence of substrate

Method: ELECTRON MICROSCOPY Dmax: 118.4 Å Quality: GOOD

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

Acyl carrier protein

OrganismNot specified

UniProt P0A6A8

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 × 2 PDB declaration: dimeric(2) Consistent with protein copy count Chain A; UniProt 1–78 Not recorded Siderophore exporter MmpL4 × 1 (P9WJV2) ELECTRON MICROSCOPY cryo-EM buffer:pH 7.5;20mM Tris-HCl pH 7.5, 150mM NaCl cryo-EM vitrification conditions:Cryogen ETHANE-PROPANE Resolution 3.40 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.

39 other PDB entries and 69 assemblies. Open the comparison page and filter oligomeric states

View Construct and Data Evidence
UniProt name ACP_ECOLI
Isoform
PDB entities 1
Chains and sequence ranges Author chain A; PDBConstruct 1–78; UniProt 1–78

Siderophore exporter MmpL4

Mycobacterium tuberculosis

UniProt P9WJV2

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 × 2 PDB declaration: dimeric(2) Consistent with protein copy count Chain B; UniProt 2–490 Chain B; UniProt 687–967 Mutation:Deletion (S491-Y685) Acyl carrier protein × 1 (P0A6A8) ELECTRON MICROSCOPY cryo-EM buffer:pH 7.5;20mM Tris-HCl pH 7.5, 150mM NaCl cryo-EM vitrification conditions:Cryogen ETHANE-PROPANE Resolution 3.40 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.

2 other PDB entries and 2 assemblies. Open the comparison page and filter oligomeric states

View Construct and Data Evidence
UniProt name MMPL4_MYCTO
Isoform
PDB entities 2
Chains and sequence ranges Author chain B; PDBConstruct 2–490; UniProt 2–490 Author chain B; PDBConstruct 496–776; UniProt 687–967

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 9gi2

P(r) Distance Distribution P(r) Distribution

P(r) distribution for 9gi2
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2. Structure Basics 2. Structure Basics

Entry ID entry_id9gi2
Deposition date deposition_date2024-08-16
Structure title titleTruncated MmpL4 in nanodiscs in absence of substrate
Keywords keywordsRND superfamily MmpL family siderophore export drug resistance acyl carrier protein, MEMBRANE PROTEIN; MEMBRANE PROTEIN
Experimental Method methodELECTRON MICROSCOPY

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

Radius of gyration Rg (Guinier) rg_guinier34.07
Radius of gyration Rg (electron density) rg_electron33.68
Forward intensity I(0) i0104181000.00
Molecular weight molecular_weight85557.0 kDa
Excluded volume excluded_volume108930 ų
Envelope volume envelope_volume133110 ų
Hydration-shell volume shell_volume35274 ų
Envelope diameter envelope_diameter124.1
Shell Rg shell_rg37.49
Envelope Rg envelope_rg34.23
Shape Rg shape_rg33.71
Total Rg total_rg33.88
Total atoms total_atoms12222
Residues n_residues796
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 dmax118.4
Rg (real space) rg_real34.42
Rg uncertainty (real space) rg_real_error1.06
I(0) (real space) i0_real1.0420e+08
I(0) uncertainty (real space) i0_real_error2.0800e+06
Rg (reciprocal space) rg_reciprocal34.21
I(0) (reciprocal space) i0_reciprocal104200000.0000
Solution quality estimate total_estimate0.7962
Solution quality rating solution_quality GOOD a GOOD solution
P(r) peaks n_peaks0
Primary peak position r_peak_primary
Skewness Skewness skewness0.592
Kurtosis Kurtosis kurtosis-0.314
Angular range angular_range— – 0.2300 −1
Current regularization parameter α current_alpha0.0001
Highest regularization parameter α highest_alpha29740000.0000
Real-space data points n_real_points47
GNOM version gnom_version4.1.3
Quality Criteria quality_criteria AN1: 0.000; Oscil: 0.632; Stabil: 1.000; Sysdev: 1.000; Positv: 1.000; Valcen: 0.740; Smooth: 0.709

5. Crystallography and Experiment 5. Crystallography & Experiment

6. Entities and Polymers Entities & Polymers (2)

8. Citations (1)

9. Files and Curves (10)