2akh

Normal mode-based flexible fitted coordinates of a non-translocating SecYEG protein-conducting channel into the cryo-EM map of a SecYEG-nascent chain-70S ribosome complex from E. coli

Method: ELECTRON MICROSCOPY
▼

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

Protein-export membrane protein secG

Escherichia coli

UniProt P33582

State in the Current Structure

Assembly Physical composition Protein state Molecular copy count Associated components Data consistency
1 Protein heterocomplex Heteromer Protein 6 Preprotein translocase secY subunit × 2 (P03844) Preprotein translocase secE subunit × 2 (P16920) Consistent with protein count

Other States of the Same Protein in the Database

View Construct and Data Evidence
UniProt name SECG_ECOLI
Isoform —
PDB entities 1
Chains and sequence ranges Author chain A; PDBConstruct 1–77; UniProt 1–77 Author chain X; PDBConstruct 1–77; UniProt 1–77

Preprotein translocase secY subunit

Escherichia coli

UniProt P03844

State in the Current Structure

Assembly Physical composition Protein state Molecular copy count Associated components Data consistency
1 Protein heterocomplex Heteromer Protein 6 Protein-export membrane protein secG × 2 (P33582) Preprotein translocase secE subunit × 2 (P16920) Consistent with protein count

Other States of the Same Protein in the Database

View Construct and Data Evidence
UniProt name SECY_ECOLI
Isoform —
PDB entities 2
Chains and sequence ranges Author chain B; PDBConstruct 1–364; UniProt 1–436 Author chain B; PDBConstruct 40–400; UniProt 76–436 Author chain Y; PDBConstruct 1–39; UniProt 1–39 Author chain Y; PDBConstruct 40–400; UniProt 76–436

Preprotein translocase secE subunit

Escherichia coli

UniProt P16920

State in the Current Structure

Assembly Physical composition Protein state Molecular copy count Associated components Data consistency
1 Protein heterocomplex Heteromer Protein 6 Protein-export membrane protein secG × 2 (P33582) Preprotein translocase secY subunit × 2 (P03844) Consistent with protein count

Other States of the Same Protein in the Database

View Construct and Data Evidence
UniProt name SECE_ECOLI
Isoform —
PDB entities 3
Chains and sequence ranges Author chain C; PDBConstruct 1–111; UniProt 17–127 Author chain Z; PDBConstruct 1–111; UniProt 17–127

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.

▼

2. Structure Basics 2. Structure Basics

Entry ID entry_id2akh
Deposition date deposition_date2005-08-03
Structure title titleNormal mode-based flexible fitted coordinates of a non-translocating SecYEG protein-conducting channel into the cryo-EM map of a SecYEG-nascent chain-70S ribosome complex from E. coli
Keywords keywordsProtein transport, Translocation, Transmembrane, Transport; PROTEIN TRANSPORT
Experimental Method methodELECTRON MICROSCOPY
▼

3. Official assembly/model SAXS Official SAXS Profiles

This page reads only the latest assembly calculations. Every curve maps to an explicit PDB entry, official biological assembly and coordinate model.

2akh__assembly_1__model_1

Assembly 1 · Model 1 · CRYSOL 4.1.3-1-20251215 (887e7ef)

Download this curve (.dat)

2akh__assembly_1__model_1 | I(q)

10-2 10-1 106 107 108 q (1/Angstrom) I(q)
100 plotted points; both axes use logarithmic scales.

2akh__assembly_1__model_1 | P(r) · Pending

The new assembly/model P(r) has not been calculated yet This placeholder does not display legacy data r (Angstrom) P(r)
P(r) will be calculated and displayed separately for the same assembly/model.
Rg(Guinier)35.71 Å
Rg (electron density)34.91 Å
Total Rg35.23 Å
Atom count0
Residues0
Excluded volume162170 ų
Maximum q0.500 Å⁻¹
Assembly Model Structure unit Oligomeric description Status CRYSOL Actions
1 1 2akh__assembly_1__model_1 hexameric (6) Success 4.1.3-1-20251215 (887e7ef) View Download
▶

4. Crystallography and Experiment 4. Crystallography & Experiment

▶

5. Entities and Polymers Entities & Polymers (3)

▶

7. Citations (1)