9j9z

Cryo-EM structure of Outward state Anhydromuropeptide permease (AmpG) complex with GlcNAc-1,6-anhMurNAc

Method: ELECTRON MICROSCOPY Dmax: 130.8 Å Quality: GOOD

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

Muropeptide transporter,Soluble cytochrome b562

Yokenella regensburgei

UniProt A0AB38FS76

State in the Current Structure

Assembly Oligomeric State Construct Mutations and Modifications Ligands, Ions and Associated Components Method and Experimental Conditions Structure Quality
1 Insufficient information Heteromer Protein × 4 PDB declaration: tetrameric(4) Consistent with protein copy count Chain A; UniProt 5–198 Chain A; UniProt 203–490 Mutation:G50W/L269W anti-BRIL Fab Heavy chain × 1 anti-BRIL Fab Nanobody × 1 anti-BRIL Fab Light chain × 1 2YP (2R)-2-[[(1R,2S,3R,4R,5R)-4-acetamido-2-[(2S,3R,4R,5S,6R)-3-acetamido-6-(hydroxymethyl)-4,5-bis(oxidanyl)oxan-2-yl]oxy-6,8-dioxabicyclo[3.2.1]octan-3-yl]oxy]propanoic acid × 1 ELECTRON MICROSCOPY cryo-EM buffer:pH 7.5 cryo-EM vitrification conditions:Cryogen ETHANE Resolution 2.97 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 A0AB38FS76_9ENTR
Isoform
PDB entities 4
Chains and sequence ranges Author chain A; PDBConstruct 1–194; UniProt 5–198 Author chain A; PDBConstruct 302–589; UniProt 203–490

Muropeptide transporter,Soluble cytochrome b562

Yokenella regensburgei

UniProt P0ABE7

State in the Current Structure

Assembly Oligomeric State Construct Mutations and Modifications Ligands, Ions and Associated Components Method and Experimental Conditions Structure Quality
1 Insufficient information Heteromer Protein × 4 PDB declaration: tetrameric(4) Consistent with protein copy count Chain A; UniProt 27–127 Mutation:G50W/L269W anti-BRIL Fab Heavy chain × 1 anti-BRIL Fab Nanobody × 1 anti-BRIL Fab Light chain × 1 2YP (2R)-2-[[(1R,2S,3R,4R,5R)-4-acetamido-2-[(2S,3R,4R,5S,6R)-3-acetamido-6-(hydroxymethyl)-4,5-bis(oxidanyl)oxan-2-yl]oxy-6,8-dioxabicyclo[3.2.1]octan-3-yl]oxy]propanoic acid × 1 ELECTRON MICROSCOPY cryo-EM buffer:pH 7.5 cryo-EM vitrification conditions:Cryogen ETHANE Resolution 2.97 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.

714 other PDB entries and 822 assemblies. Open the comparison page and filter oligomeric states

View Construct and Data Evidence
UniProt name C562_ECOLX
Isoform
PDB entities 4
Chains and sequence ranges Author chain A; PDBConstruct 199–299; UniProt 27–127

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 9j9z

P(r) Distance Distribution P(r) Distribution

P(r) distribution for 9j9z
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2. Structure Basics 2. Structure Basics

Entry ID entry_id9j9z
Deposition date deposition_date2024-08-23
最后修订 last_revision2025-07-16
Structure title titleCryo-EM structure of Outward state Anhydromuropeptide permease (AmpG) complex with GlcNAc-1,6-anhMurNAc
Keywords keywordsAmpG, MFS, Anhydromuropeptide permease, MEMBRANE PROTEIN; MEMBRANE PROTEIN
Experimental Method methodELECTRON MICROSCOPY

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

Radius of gyration Rg (Guinier) rg_guinier38.34
Radius of gyration Rg (electron density) rg_electron38.26
Forward intensity I(0) i0221084000.00
Molecular weight molecular_weight125070.0 kDa
Excluded volume excluded_volume158350 ų
Envelope volume envelope_volume215290 ų
Hydration-shell volume shell_volume46991 ų
Envelope diameter envelope_diameter136.7
Shell Rg shell_rg43.80
Envelope Rg envelope_rg37.97
Shape Rg shape_rg38.27
Total Rg total_rg38.62
Total atoms total_atoms8820
Residues n_residues1146
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 dmax130.8
Rg (real space) rg_real38.40
Rg uncertainty (real space) rg_real_error1.10
I(0) (real space) i0_real2.2110e+08
I(0) uncertainty (real space) i0_real_error3.6940e+06
Rg (reciprocal space) rg_reciprocal38.37
I(0) (reciprocal space) i0_reciprocal221100000.0000
Solution quality estimate total_estimate0.8171
Solution quality rating solution_quality GOOD a GOOD solution
P(r) peaks n_peaks2
Primary peak position r_peak_primary41.5
Skewness Skewness skewness0.309
Kurtosis Kurtosis kurtosis-0.486
Angular range angular_range— – 0.2050 −1
Current regularization parameter α current_alpha0.0000
Highest regularization parameter α highest_alpha22600000.0000
Real-space data points n_real_points42
GNOM version gnom_version4.1.3
Quality Criteria quality_criteria AN1: 0.000; Oscil: 0.883; Stabil: 1.000; Sysdev: 1.000; Positv: 1.000; Valcen: 0.968; Smooth: 0.000

5. Crystallography and Experiment 5. Crystallography & Experiment

6. Entities and Polymers Entities & Polymers (5)

8. Citations (1)

9. Files and Curves (10)