9TKP image
Deposition Date 2025-12-10
Release Date 2026-09-30
Last Version Date 2026-09-30
Entry Detail
PDB ID:
9TKP
Keywords:
RIBOSOME
Title:
70S Initiation Complex with extended IF2 bound (70S IC-I)
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
9TKP validation report missing
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
Structures with similar UniProt ID
Structural Superimposition Protein Blast
Polymer Type:polypeptide(L)
Molecule:Large ribosomal subunit prote
Gene (Uniprot):rpmA
Chain IDs:U (auth: B0)
Chain Length:0
Number of Molecules:1
Biological Source:Escherichia coli
UniProt ID:P0A7L8 Pfam ID:PF01016
Structures with similar UniProt ID
Structural Superimposition Protein Blast
Polymer Type:polypeptide(L)
Molecule:Large ribosomal subunit prote
Gene (Uniprot):rpmB
Chain IDs:V (auth: B1)
Chain Length:0
Number of Molecules:1
Biological Source:Escherichia coli
UniProt ID:P0A7M2 Pfam ID:PF00830
Structures with similar UniProt ID
Structural Superimposition Protein Blast
Polymer Type:polypeptide(L)
Molecule:Large ribosomal subunit prote
Gene (Uniprot):rpmC
Chain IDs:W (auth: B2)
Chain Length:0
Number of Molecules:1
Biological Source:Escherichia coli
UniProt ID:P0A7M6 Pfam ID:PF00831
Structures with similar UniProt ID
Structural Superimposition Protein Blast
Polymer Type:polypeptide(L)
Molecule:Large ribosomal subunit prote
Gene (Uniprot):rpmD
Chain IDs:X (auth: B3)
Chain Length:0
Number of Molecules:1
Biological Source:Escherichia coli
UniProt ID:P0AG51 Pfam ID:PF00327
Structures with similar UniProt ID
Structural Superimposition Protein Blast
Polymer Type:polypeptide(L)
Molecule:Large ribosomal subunit prote
Gene (Uniprot):rpmF
Chain IDs:Y (auth: B5)
Chain Length:0
Number of Molecules:1
Biological Source:Escherichia coli
UniProt ID:P0A7N4 Pfam ID:PF01783
Structures with similar UniProt ID
Structural Superimposition Protein Blast
Polymer Type:polypeptide(L)
Molecule:Large ribosomal subunit prote
Gene (Uniprot):rpmG
Chain IDs:Z (auth: B6)
Chain Length:0
Number of Molecules:1
Biological Source:Escherichia coli
UniProt ID:P0A7N9 Pfam ID:PF00471
Structures with similar UniProt ID
Structural Superimposition Protein Blast
Polymer Type:polypeptide(L)
Molecule:Large ribosomal subunit prote
Gene (Uniprot):rpmH
Chain IDs:AA (auth: B7)
Chain Length:0
Number of Molecules:1
Biological Source:Escherichia coli
UniProt ID:P0A7P5 Pfam ID:PF00468
Structures with similar UniProt ID
Structural Superimposition Protein Blast
Polymer Type:polypeptide(L)
Molecule:Large ribosomal subunit prote
Gene (Uniprot):rpmI
Chain IDs:BA (auth: B8)
Chain Length:0
Number of Molecules:1
Biological Source:Escherichia coli
UniProt ID:P0A7Q1 Pfam ID:PF01632
Structures with similar UniProt ID
Structural Superimposition Protein Blast
Polymer Type:polypeptide(L)
Molecule:Large ribosomal subunit prote
Gene (Uniprot):rpmJ
Chain IDs:CA (auth: B9)
Chain Length:0
Number of Molecules:1
Biological Source:Escherichia coli
UniProt ID:P0A7Q6 Pfam ID:PF00444
Structures with similar UniProt ID
Structural Superimposition Protein Blast
Polymer Type:polypeptide(L)
Molecule:Large ribosomal subunit prote
Gene (Uniprot):rplA
Chain IDs:DA (auth: BA)
Chain Length:0
Number of Molecules:1
Biological Source:Escherichia coli
UniProt ID:P0A7L0 Pfam ID:PF00687
Structures with similar UniProt ID
Structural Superimposition Protein Blast
Polymer Type:polypeptide(L)
Molecule:Large ribosomal subunit prote
Gene (Uniprot):rplB
Chain IDs:EA (auth: BB)
Chain Length:0
Number of Molecules:1
Biological Source:Escherichia coli
UniProt ID:P60422 Pfam ID:PF00181, PF03947
Structures with similar UniProt ID
Structural Superimposition Protein Blast
Polymer Type:polypeptide(L)
Molecule:50S ribosomal protein L3
Gene (Uniprot):rplC
Chain IDs:FA (auth: BC)
Chain Length:0
Number of Molecules:1
Biological Source:Escherichia coli
UniProt ID:P60438 Pfam ID:PF00297
Structures with similar UniProt ID
Structural Superimposition Protein Blast
Polymer Type:polypeptide(L)
Molecule:Large ribosomal subunit prote
Gene (Uniprot):rplD
Chain IDs:GA (auth: BD)
Chain Length:0
Number of Molecules:1
Biological Source:Escherichia coli
UniProt ID:P60723 Pfam ID:PF00573
Structures with similar UniProt ID
Structural Superimposition Protein Blast
Polymer Type:polypeptide(L)
Molecule:Large ribosomal subunit prote
Gene (Uniprot):rplE
Chain IDs:HA (auth: BE)
Chain Length:0
Number of Molecules:1
Biological Source:Escherichia coli
UniProt ID:P62399 Pfam ID:PF00281, PF00673
Structures with similar UniProt ID
Structural Superimposition Protein Blast
Polymer Type:polypeptide(L)
Molecule:Large ribosomal subunit prote
Gene (Uniprot):rplF
Chain IDs:IA (auth: BF)
Chain Length:0
Number of Molecules:1
Biological Source:Escherichia coli
UniProt ID:P0AG55 Pfam ID:PF00347
Structures with similar UniProt ID
Structural Superimposition Protein Blast
Polymer Type:polypeptide(L)
Molecule:Large ribosomal subunit prote
Gene (Uniprot):rplI
Chain IDs:JA (auth: BI)
Chain Length:0
Number of Molecules:1
Biological Source:Escherichia coli
UniProt ID:P0A7R1 Pfam ID:PF01281, PF03948
Structures with similar UniProt ID
Structural Superimposition Protein Blast
Polymer Type:polypeptide(L)
Molecule:50S ribosomal protein L11
Gene (Uniprot):rplK
Chain IDs:KA (auth: BK)
Chain Length:0
Number of Molecules:1
Biological Source:Escherichia coli
UniProt ID:P0A7J7 Pfam ID:PF03946, PF00298
Structures with similar UniProt ID
Structural Superimposition Protein Blast
Polymer Type:polypeptide(L)
Molecule:Large ribosomal subunit prote
Gene (Uniprot):rplM
Chain IDs:LA (auth: BM)
Chain Length:0
Number of Molecules:1
Biological Source:Escherichia coli
UniProt ID:P0AA10 Pfam ID:PF00572
Structures with similar UniProt ID
Structural Superimposition Protein Blast
Polymer Type:polypeptide(L)
Molecule:Large ribosomal subunit prote
Gene (Uniprot):rplN
Chain IDs:MA (auth: BN)
Chain Length:0
Number of Molecules:1
Biological Source:Escherichia coli
UniProt ID:P0ADY3 Pfam ID:PF00238
Structures with similar UniProt ID
Structural Superimposition Protein Blast
Polymer Type:polypeptide(L)
Molecule:Large ribosomal subunit prote
Gene (Uniprot):rplO
Chain IDs:NA (auth: BO)
Chain Length:0
Number of Molecules:1
Biological Source:Escherichia coli
UniProt ID:P02413 Pfam ID:PF00828
Structures with similar UniProt ID
Structural Superimposition Protein Blast
Polymer Type:polypeptide(L)
Molecule:50S ribosomal protein L16
Gene (Uniprot):rplP
Chain IDs:OA (auth: BP)
Chain Length:0
Number of Molecules:1
Biological Source:Escherichia coli
UniProt ID:P0ADY7 Pfam ID:PF00252
Structures with similar UniProt ID
Structural Superimposition Protein Blast
Polymer Type:polypeptide(L)
Molecule:Large ribosomal subunit prote
Gene (Uniprot):rplQ
Chain IDs:PA (auth: BQ)
Chain Length:0
Number of Molecules:1
Biological Source:Escherichia coli
UniProt ID:P0AG44 Pfam ID:PF01196
Structures with similar UniProt ID
Structural Superimposition Protein Blast
Polymer Type:polypeptide(L)
Molecule:Large ribosomal subunit prote
Gene (Uniprot):rplR
Chain IDs:QA (auth: BR)
Chain Length:0
Number of Molecules:1
Biological Source:Escherichia coli
UniProt ID:P0C018 Pfam ID:PF00861
Structures with similar UniProt ID
Structural Superimposition Protein Blast
Polymer Type:polypeptide(L)
Molecule:Large ribosomal subunit prote
Gene (Uniprot):rplS
Chain IDs:RA (auth: BS)
Chain Length:0
Number of Molecules:1
Biological Source:Escherichia coli
UniProt ID:P0A7K6 Pfam ID:PF01245
Structures with similar UniProt ID
Structural Superimposition Protein Blast
Polymer Type:polypeptide(L)
Molecule:Large ribosomal subunit prote
Gene (Uniprot):rplT
Chain IDs:SA (auth: BT)
Chain Length:0
Number of Molecules:1
Biological Source:Escherichia coli
UniProt ID:P0A7L3 Pfam ID:PF00453
Structures with similar UniProt ID
Structural Superimposition Protein Blast
Polymer Type:polypeptide(L)
Molecule:Large ribosomal subunit prote
Gene (Uniprot):rplU
Chain IDs:TA (auth: BU)
Chain Length:0
Number of Molecules:1
Biological Source:Escherichia coli
UniProt ID:P0AG48 Pfam ID:PF00829
Structures with similar UniProt ID
Structural Superimposition Protein Blast
Polymer Type:polypeptide(L)
Molecule:Large ribosomal subunit prote
Gene (Uniprot):rplV
Chain IDs:UA (auth: BV)
Chain Length:0
Number of Molecules:1
Biological Source:Escherichia coli
UniProt ID:P61175 Pfam ID:PF00237
Structures with similar UniProt ID
Structural Superimposition Protein Blast
Polymer Type:polypeptide(L)
Molecule:Large ribosomal subunit prote
Gene (Uniprot):rplW
Chain IDs:VA (auth: BW)
Chain Length:0
Number of Molecules:1
Biological Source:Escherichia coli
UniProt ID:P0ADZ0 Pfam ID:PF00276
Structures with similar UniProt ID
Structural Superimposition Protein Blast
Polymer Type:polypeptide(L)
Molecule:Large ribosomal subunit prote
Gene (Uniprot):rplX
Chain IDs:WA (auth: BX)
Chain Length:0
Number of Molecules:1
Biological Source:Escherichia coli
UniProt ID:P60624 Pfam ID:PF00467, PF17136
Structures with similar UniProt ID
Structural Superimposition Protein Blast
Polymer Type:polypeptide(L)
Molecule:Large ribosomal subunit prote
Gene (Uniprot):rplY
Chain IDs:XA (auth: BY)
Chain Length:0
Number of Molecules:1
Biological Source:Escherichia coli
UniProt ID:P68919 Pfam ID:PF01386
Polymer Type:polyribonucleotide
Molecule:16S Ribosomal RNA
Chain IDs:YA (auth: D1)
Chain Length:0
Number of Molecules:1
Biological Source:Escherichia coli
Polymer Type:polyribonucleotide
Molecule:23S Ribosomal RNA
Chain IDs:ZA (auth: D2)
Chain Length:0
Number of Molecules:1
Biological Source:Escherichia coli
Polymer Type:polyribonucleotide
Molecule:5S Ribosomal RNA
Chain IDs:AB (auth: D3)
Chain Length:0
Number of Molecules:1
Biological Source:Escherichia coli
Polymer Type:polyribonucleotide
Molecule:mRNA
Chain IDs:BB (auth: D4)
Chain Length:0
Number of Molecules:1
Biological Source:Escherichia coli
Polymer Type:polyribonucleotide
Molecule:tRNAfMet
Chain IDs:CB (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:DB (auth: F2)
Chain Length:0
Number of Molecules:1
Biological Source:Escherichia coli
UniProt ID:P0A705 Pfam ID:PF04760, PF08364, PF00009, PF22042, PF11987, PF03144 EC:3.6.5.3
Ligand Molecules
FME
GTP
MG
Primary Citation
Time-resolved visualization of IF1- and IF2-driven translation initiation in bacteria
To Be Published ? ? ? (?)
Primary Citation of related structures
9TKP
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