2rdd

X-ray crystal structure of AcrB in complex with a novel transmembrane helix.

Method: X-RAY DIFFRACTION Dmax: 129.5 Å Quality: GOOD

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

Acriflavine resistance protein B

OrganismNot specified

UniProt P31224

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 × 6 PDB declaration: hexameric(6) Consistent with protein copy count Chain A; UniProt 1–1036 Not recorded UPF0092 membrane protein yajC × 3 (P0ADZ7) AIC (2S,5R,6R)-6-{[(2R)-2-AMINO-2-PHENYLETHANOYL]AMINO}-3,3-DIMETHYL-7-OXO-4-THIA-1-AZABICYCLO[3.2.0]HEPTANE-2-CARBOXYLIC ACID × 6 X-RAY DIFFRACTION X-ray crystallization conditions:VAPOR DIFFUSION, HANGING DROP;pH 7.5;293 K;14-28% PEG1000 or PEG1500, 0.1M Tris, 0.1M LiSO4, 18mM n-Octyl-beta-D-Thioglucopyranoside and 20% 1,2,3-heptanetriol as an additive, pH 7.5, VAPOR DIFFUSION, HANGING DROP, temperature 293K Resolution 3.50 Å R-free 0.317

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.

117 other PDB entries and 124 assemblies. Open the comparison page and filter oligomeric states

View Construct and Data Evidence
UniProt name ACRB_ECOLI
Isoform
PDB entities 1
Chains and sequence ranges Author chain A; PDBConstruct 1–1036; UniProt 1–1036

UPF0092 membrane protein yajC

OrganismNot specified

UniProt P0ADZ7

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 × 6 PDB declaration: hexameric(6) Consistent with protein copy count Chain B; UniProt 19–55 Fragment:UNP residues 19-55 Acriflavine resistance protein B × 3 (P31224) AIC (2S,5R,6R)-6-{[(2R)-2-AMINO-2-PHENYLETHANOYL]AMINO}-3,3-DIMETHYL-7-OXO-4-THIA-1-AZABICYCLO[3.2.0]HEPTANE-2-CARBOXYLIC ACID × 6 X-RAY DIFFRACTION X-ray crystallization conditions:VAPOR DIFFUSION, HANGING DROP;pH 7.5;293 K;14-28% PEG1000 or PEG1500, 0.1M Tris, 0.1M LiSO4, 18mM n-Octyl-beta-D-Thioglucopyranoside and 20% 1,2,3-heptanetriol as an additive, pH 7.5, VAPOR DIFFUSION, HANGING DROP, temperature 293K Resolution 3.50 Å R-free 0.317

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.

No other PDB entry for the same UniProt protein was found.

View Construct and Data Evidence
UniProt name YAJC_ECOLI
Isoform
PDB entities 2
Chains and sequence ranges Author chain B; PDBConstruct 1–37; UniProt 19–55

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 2rdd

P(r) Distance Distribution P(r) Distribution

P(r) distribution for 2rdd
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2. Structure Basics 2. Structure Basics

Entry ID entry_id2rdd
Deposition date deposition_date2007-09-22
Structure title titleX-ray crystal structure of AcrB in complex with a novel transmembrane helix.
Keywords keywords;DRUG RESISTANCE, MULTIDRUG EFFLUX, TRANSPORTER, ANTIPORTER, MEMBRANE PROTEIN, NOVEL TRANSMEMBRANE HELIX, ACRB, YAJC, Inner membrane, Membrane protein-TRANSPORT PROTEIN COMPLEX ;; Membrane protein/TRANSPORT PROTEIN
Experimental Method methodX-RAY DIFFRACTION

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

Radius of gyration Rg (Guinier) rg_guinier37.10
Radius of gyration Rg (electron density) rg_electron37.12
Forward intensity I(0) i0184726000.00
Molecular weight molecular_weight114160.0 kDa
Excluded volume excluded_volume144950 ų
Envelope volume envelope_volume193950 ų
Hydration-shell volume shell_volume45725 ų
Envelope diameter envelope_diameter135.0
Shell Rg shell_rg40.57
Envelope Rg envelope_rg37.43
Shape Rg shape_rg37.12
Total Rg total_rg37.37
Total atoms total_atoms8026
Residues n_residues1055
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 dmax129.5
Rg (real space) rg_real37.45
Rg uncertainty (real space) rg_real_error1.71
I(0) (real space) i0_real1.8470e+08
I(0) uncertainty (real space) i0_real_error3.2640e+06
Rg (reciprocal space) rg_reciprocal37.24
I(0) (reciprocal space) i0_reciprocal184700000.0000
Solution quality estimate total_estimate0.8153
Solution quality rating solution_quality GOOD a GOOD solution
P(r) peaks n_peaks1
Primary peak position r_peak_primary36.1
Skewness Skewness skewness0.595
Kurtosis Kurtosis kurtosis-0.139
Angular range angular_range— – 0.2150 −1
Current regularization parameter α current_alpha0.0000
Highest regularization parameter α highest_alpha31860000.0000
Real-space data points n_real_points44
GNOM version gnom_version4.1.3
Quality Criteria quality_criteria AN1: 0.000; Oscil: 0.687; Stabil: 0.999; Sysdev: 1.000; Positv: 1.000; Valcen: 0.789; Smooth: 0.748

5. Crystallography and Experiment 5. Crystallography & Experiment

6. Entities and Polymers Entities & Polymers (3)

7. Fold Classification (SCOP + CATH) 8 domains

CATH v4.4 (8 domains)

Domain ID domain_id2rddA01
Class class1 — Mainly Alpha
Architecture architecture20 — Up-down Bundle
Topology topology1640 — Multidrug efflux transporter AcrB transmembrane fold
Homologous superfamily homologous superfamily10 — Multidrug efflux transporter AcrB transmembrane domain
Domain ID domain_id2rddA02
Class class3 — Alpha Beta
Architecture architecture30 — 2-Layer Sandwich
Topology topology70 — Alpha-Beta Plaits
Homologous superfamily homologous superfamily1430 — Multidrug efflux transporter AcrB pore domain
Domain ID domain_id2rddA03
Class class3 — Alpha Beta
Architecture architecture30 — 2-Layer Sandwich
Topology topology70 — Alpha-Beta Plaits
Homologous superfamily homologous superfamily1320 — Multidrug efflux transporter AcrB pore domain like
Domain ID domain_id2rddA04
Class class3 — Alpha Beta
Architecture architecture30 — 2-Layer Sandwich
Topology topology2090 — Multidrug efflux transporter AcrB TolC docking domain; DN and DC subdomains
Homologous superfamily homologous superfamily10 — Multidrug efflux transporter AcrB TolC docking domain; DN and DC subdomains
Domain ID domain_id2rddA05
Class class1 — Mainly Alpha
Architecture architecture20 — Up-down Bundle
Topology topology1640 — Multidrug efflux transporter AcrB transmembrane fold
Homologous superfamily homologous superfamily10 — Multidrug efflux transporter AcrB transmembrane domain
Domain ID domain_id2rddA06
Class class3 — Alpha Beta
Architecture architecture30 — 2-Layer Sandwich
Topology topology70 — Alpha-Beta Plaits
Homologous superfamily homologous superfamily1430 — Multidrug efflux transporter AcrB pore domain
Domain ID domain_id2rddA07
Class class3 — Alpha Beta
Architecture architecture30 — 2-Layer Sandwich
Topology topology70 — Alpha-Beta Plaits
Homologous superfamily homologous superfamily1440 — Multidrug efflux transporter AcrB pore domain
Domain ID domain_id2rddA08
Class class3 — Alpha Beta
Architecture architecture30 — 2-Layer Sandwich
Topology topology2090 — Multidrug efflux transporter AcrB TolC docking domain; DN and DC subdomains
Homologous superfamily homologous superfamily10 — Multidrug efflux transporter AcrB TolC docking domain; DN and DC subdomains

8. Citations (1)

9. Files and Curves (10)