ISDA: 9TKO

Deposition Date 2025-12-10

Release Date 2026-09-30

Last Version Date 2026-09-30

Entry Detail

PDB ID:

9TKO

Keywords:

RIBOSOME

Title:

30S pre-initiation complex with IF2 bound (30S PIC-B)

Biological Source:

Source Organism(s):

Escherichia coli (Taxon ID: 562)

Expression System(s):

Escherichia coli

Method Details:

Experimental Method:

ELECTRON MICROSCOPY

Resolution:

3.00 Å

Aggregation State:

PARTICLE

Reconstruction Method:

SINGLE PARTICLE

Download Validation Report

Macromolecular Entities

Structures with similar UniProt ID

Structural Superimposition Protein Blast

Polymer Type:polypeptide(L)
Molecule:Small ribosomal subunit prote
Gene (Uniprot):rpsB
Chain IDs:A (auth: AA)
Chain Length:0
Number of Molecules:1
Biological Source:Escherichia coli

UniProt ID:P0A7V0 Pfam ID:PF00318

Structures with similar UniProt ID

Structural Superimposition Protein Blast

Polymer Type:polypeptide(L)
Molecule:Small ribosomal subunit prote
Gene (Uniprot):rpsC
Chain IDs:B (auth: AB)
Chain Length:0
Number of Molecules:1
Biological Source:Escherichia coli

UniProt ID:P0A7V3 Pfam ID:PF07650, PF00189

Structures with similar UniProt ID

Structural Superimposition Protein Blast

Polymer Type:polypeptide(L)
Molecule:Small ribosomal subunit prote
Gene (Uniprot):rpsD
Chain IDs:C (auth: AC)
Chain Length:0
Number of Molecules:1
Biological Source:Escherichia coli

UniProt ID:P0A7V8 Pfam ID:PF00163, PF01479

Structures with similar UniProt ID

Structural Superimposition Protein Blast

Polymer Type:polypeptide(L)
Molecule:Small ribosomal subunit prote
Gene (Uniprot):rpsE
Chain IDs:D (auth: AD)
Chain Length:0
Number of Molecules:1
Biological Source:Escherichia coli

UniProt ID:P0A7W1 Pfam ID:PF00333, PF03719

Structures with similar UniProt ID

Structural Superimposition Protein Blast

Polymer Type:polypeptide(L)
Molecule:Small ribosomal subunit prote
Gene (Uniprot):rpsF
Chain IDs:E (auth: AE)
Chain Length:0
Number of Molecules:1
Biological Source:Escherichia coli

UniProt ID:P02358 Pfam ID:PF01250

Structures with similar UniProt ID

Structural Superimposition Protein Blast

Polymer Type:polypeptide(L)
Molecule:Small ribosomal subunit prote
Gene (Uniprot):rpsG
Chain IDs:F (auth: AF)
Chain Length:0
Number of Molecules:1
Biological Source:Escherichia coli

UniProt ID:P02359 Pfam ID:PF00177

Structures with similar UniProt ID

Structural Superimposition Protein Blast

Polymer Type:polypeptide(L)
Molecule:Small ribosomal subunit prote
Gene (Uniprot):rpsH
Chain IDs:G (auth: AG)
Chain Length:0
Number of Molecules:1
Biological Source:Escherichia coli

UniProt ID:P0A7W7 Pfam ID:PF00410

Structures with similar UniProt ID

Structural Superimposition Protein Blast

Polymer Type:polypeptide(L)
Molecule:Small ribosomal subunit prote
Gene (Uniprot):rpsI
Chain IDs:H (auth: AH)
Chain Length:0
Number of Molecules:1
Biological Source:Escherichia coli

UniProt ID:P0A7X3 Pfam ID:PF00380

Structures with similar UniProt ID

Structural Superimposition Protein Blast

Polymer Type:polypeptide(L)
Molecule:Small ribosomal subunit prote
Gene (Uniprot):rpsJ
Chain IDs:I (auth: AI)
Chain Length:0
Number of Molecules:1
Biological Source:Escherichia coli

UniProt ID:P0A7R5 Pfam ID:PF00338

Structures with similar UniProt ID

Structural Superimposition Protein Blast

Polymer Type:polypeptide(L)
Molecule:Small ribosomal subunit prote
Gene (Uniprot):rpsK
Chain IDs:J (auth: AJ)
Chain Length:0
Number of Molecules:1
Biological Source:Escherichia coli

UniProt ID:P0A7R9 Pfam ID:PF00411

Structures with similar UniProt ID

Structural Superimposition Protein Blast

Polymer Type:polypeptide(L)
Molecule:Small ribosomal subunit prote
Gene (Uniprot):rpsL
Chain IDs:K (auth: AK)
Chain Length:0
Number of Molecules:1
Biological Source:Escherichia coli

UniProt ID:P0A7S3 Pfam ID:PF00164

Structures with similar UniProt ID

Structural Superimposition Protein Blast

Polymer Type:polypeptide(L)
Molecule:Small ribosomal subunit prote
Gene (Uniprot):rpsM
Chain IDs:L (auth: AL)
Chain Length:0
Number of Molecules:1
Biological Source:Escherichia coli

UniProt ID:P0A7S9 Pfam ID:PF00416

Structures with similar UniProt ID

Structural Superimposition Protein Blast

Polymer Type:polypeptide(L)
Molecule:Small ribosomal subunit prote
Gene (Uniprot):rpsN
Chain IDs:M (auth: AM)
Chain Length:0
Number of Molecules:1
Biological Source:Escherichia coli

UniProt ID:P0AG59 Pfam ID:PF00253

Structures with similar UniProt ID

Structural Superimposition Protein Blast

Polymer Type:polypeptide(L)
Molecule:Small ribosomal subunit prote
Gene (Uniprot):rpsO
Chain IDs:N (auth: AN)
Chain Length:0
Number of Molecules:1
Biological Source:Escherichia coli

UniProt ID:P0ADZ4 Pfam ID:PF00312

Structures with similar UniProt ID

Structural Superimposition Protein Blast

Polymer Type:polypeptide(L)
Molecule:Small ribosomal subunit prote
Gene (Uniprot):rpsP
Chain IDs:O (auth: AO)
Chain Length:0
Number of Molecules:1
Biological Source:Escherichia coli

UniProt ID:P0A7T3 Pfam ID:PF00886

Structures with similar UniProt ID

Structural Superimposition Protein Blast

Polymer Type:polypeptide(L)
Molecule:Small ribosomal subunit prote
Gene (Uniprot):rpsQ
Chain IDs:P (auth: AP)
Chain Length:0
Number of Molecules:1
Biological Source:Escherichia coli

UniProt ID:P0AG63 Pfam ID:PF00366

Structures with similar UniProt ID

Structural Superimposition Protein Blast

Polymer Type:polypeptide(L)
Molecule:Small ribosomal subunit prote
Gene (Uniprot):rpsR
Chain IDs:Q (auth: AQ)
Chain Length:0
Number of Molecules:1
Biological Source:Escherichia coli

UniProt ID:P0A7T7 Pfam ID:PF01084

Structures with similar UniProt ID

Structural Superimposition Protein Blast

Polymer Type:polypeptide(L)
Molecule:Small ribosomal subunit prote
Gene (Uniprot):rpsS
Chain IDs:R (auth: AR)
Chain Length:0
Number of Molecules:1
Biological Source:Escherichia coli

UniProt ID:P0A7U3 Pfam ID:PF00203

Structures with similar UniProt ID

Structural Superimposition Protein Blast

Polymer Type:polypeptide(L)
Molecule:Small ribosomal subunit prote
Gene (Uniprot):rpsT
Chain IDs:S (auth: AT)
Chain Length:0
Number of Molecules:1
Biological Source:Escherichia coli

UniProt ID:P0A7U7 Pfam ID:PF01649

Structures with similar UniProt ID

Structural Superimposition Protein Blast

Polymer Type:polypeptide(L)
Molecule:Small ribosomal subunit prote
Gene (Uniprot):rpsU
Chain IDs:T (auth: AU)
Chain Length:0
Number of Molecules:1
Biological Source:Escherichia coli

UniProt ID:P68679 Pfam ID:PF01165

Polymer Type:polyribonucleotide
Molecule:16S Ribosomal RNA
Chain IDs:U (auth: D1)
Chain Length:0
Number of Molecules:1
Biological Source:Escherichia coli

Polymer Type:polyribonucleotide
Molecule:mRNA
Chain IDs:V (auth: D4)
Chain Length:0
Number of Molecules:1
Biological Source:Escherichia coli

Polymer Type:polyribonucleotide
Molecule:tRNAfMet
Chain IDs:W (auth: D5)
Chain Length:0
Number of Molecules:1
Biological Source:Escherichia coli

Structures with similar UniProt ID

Structural Superimposition Protein Blast

Polymer Type:polypeptide(L)
Molecule:Translation initiation factor
Gene (Uniprot):infB
Chain IDs:X (auth: F2)
Chain Length:0
Number of Molecules:1
Biological Source:Escherichia coli