ISDA

Deposition Date 2015-12-18

Release Date 2016-03-09

Last Version Date 2024-10-09

Entry Detail

PDB ID:

3JCJ

Keywords:

RIBOSOME

Title:

Structures of ribosome-bound initiation factor 2 reveal the mechanism of subunit association

Biological Source:

Source Organism:

Escherichia coli (Taxon ID: 562)

Host Organism:

Escherichia coli

Method Details:

Experimental Method:

ELECTRON MICROSCOPY

Resolution:

3.70 Å

Aggregation State:

PARTICLE

Reconstruction Method:

SINGLE PARTICLE

Download Validation Report

Macromolecular Entities

Polymer Type:polyribonucleotide
Molecule:5S ribosomal RNA
Chain IDs:A (auth: 0)
Chain Length:118
Number of Molecules:1
Biological Source:Escherichia coli

Protein Blast

Polymer Type:polypeptide(L)
Molecule:30S ribosomal protein S18
Gene (Uniprot):rpsR
Chain IDs:B (auth: 1)
Chain Length:75
Number of Molecules:1
Biological Source:Escherichia coli

UniProt ID:P0A7T7 Pfam ID:PF01084

Protein Blast

Polymer Type:polypeptide(L)
Molecule:30S ribosomal protein S21
Gene (Uniprot):rpsU
Chain IDs:C (auth: 2)
Chain Length:71
Number of Molecules:1
Biological Source:Escherichia coli

UniProt ID:P68679 Pfam ID:PF01165

Protein Blast

Polymer Type:polypeptide(L)
Molecule:30S ribosomal protein S20
Gene (Uniprot):rpsT
Chain IDs:D (auth: 3)
Chain Length:87
Number of Molecules:1
Biological Source:Escherichia coli

UniProt ID:P0A7U7 Pfam ID:PF01649

Polymer Type:polyribonucleotide
Molecule:messenger RNA
Chain IDs:E (auth: 4)
Chain Length:52
Number of Molecules:1
Biological Source:Escherichia coli

Polymer Type:polyribonucleotide
Molecule:23S ribosomal RNA
Chain IDs:F (auth: A)
Chain Length:55
Number of Molecules:1
Biological Source:Escherichia coli

Protein Blast

Polymer Type:polypeptide(L)
Molecule:50S ribosomal protein L2
Gene (Uniprot):rplB
Chain IDs:G (auth: B)
Chain Length:273
Number of Molecules:1
Biological Source:Escherichia coli

UniProt ID:P60422 Pfam ID:PF00181, PF03947

Protein Blast

Polymer Type:polypeptide(L)
Molecule:50S ribosomal protein L3
Gene (Uniprot):rplC
Chain IDs:H (auth: C)
Chain Length:65
Number of Molecules:1
Biological Source:Escherichia coli

UniProt ID:P60438 Pfam ID:PF00297

Protein Blast

Polymer Type:polypeptide(L)
Molecule:50S ribosomal protein L4
Gene (Uniprot):rplD
Chain IDs:I (auth: D)
Chain Length:38
Number of Molecules:1
Biological Source:Escherichia coli

UniProt ID:P60723 Pfam ID:PF00573

Protein Blast

Polymer Type:polypeptide(L)
Molecule:50S ribosomal protein L5
Gene (Uniprot):rplE
Chain IDs:J (auth: E)
Chain Length:165
Number of Molecules:1
Biological Source:Escherichia coli

UniProt ID:P62399 Pfam ID:PF00281, PF00673

Protein Blast

Polymer Type:polypeptide(L)
Molecule:50S ribosomal protein L6
Gene (Uniprot):rplF
Chain IDs:K (auth: F)
Chain Length:890
Number of Molecules:1
Biological Source:Escherichia coli

UniProt ID:P0AG55 Pfam ID:PF00347

Protein Blast

Polymer Type:polypeptide(L)
Molecule:50S ribosomal protein L9
Gene (Uniprot):rplI
Chain IDs:L (auth: G)
Chain Length:1542
Number of Molecules:1
Biological Source:Escherichia coli

UniProt ID:P0A7R1 Pfam ID:PF01281, PF03948

Protein Blast

Polymer Type:polypeptide(L)
Molecule:50S ribosomal protein L11
Gene (Uniprot):rplK
Chain IDs:M (auth: H)
Chain Length:142
Number of Molecules:1
Biological Source:Escherichia coli

UniProt ID:P0A7J7 Pfam ID:PF03946, PF00298

Protein Blast

Polymer Type:polypeptide(L)
Molecule:50S ribosomal protein L13
Gene (Uniprot):rplM
Chain IDs:N (auth: I)
Chain Length:142
Number of Molecules:1
Biological Source:Escherichia coli

UniProt ID:P0AA10 Pfam ID:PF00572

Protein Blast

Polymer Type:polypeptide(L)
Molecule:50S ribosomal protein L14
Gene (Uniprot):rplN
Chain IDs:O (auth: J)
Chain Length:123
Number of Molecules:1
Biological Source:Escherichia coli

UniProt ID:P0ADY3 Pfam ID:PF00238

Protein Blast

Polymer Type:polypeptide(L)
Molecule:50S ribosomal protein L15
Gene (Uniprot):rplO
Chain IDs:P (auth: K)
Chain Length:167
Number of Molecules:1
Biological Source:Escherichia coli

UniProt ID:P02413 Pfam ID:PF00828

Protein Blast

Polymer Type:polypeptide(L)
Molecule:50S ribosomal protein L16
Gene (Uniprot):rplP
Chain IDs:Q (auth: L)
Chain Length:136
Number of Molecules:1
Biological Source:Escherichia coli

UniProt ID:P0ADY7 Pfam ID:PF00252

Protein Blast

Polymer Type:polypeptide(L)
Molecule:50S ribosomal protein L17
Gene (Uniprot):rplQ
Chain IDs:R (auth: M)
Chain Length:127
Number of Molecules:1
Biological Source:Escherichia coli

UniProt ID:P0AG44 Pfam ID:PF01196

Protein Blast

Polymer Type:polypeptide(L)
Molecule:50S ribosomal protein L18
Gene (Uniprot):rplR
Chain IDs:S (auth: N)
Chain Length:117
Number of Molecules:1
Biological Source:Escherichia coli

UniProt ID:P0C018 Pfam ID:PF00861

Protein Blast

Polymer Type:polypeptide(L)
Molecule:50S ribosomal protein L19
Gene (Uniprot):rplS
Chain IDs:T (auth: O)
Chain Length:115
Number of Molecules:1
Biological Source:Escherichia coli

UniProt ID:P0A7K6 Pfam ID:PF01245

Protein Blast

Polymer Type:polypeptide(L)
Molecule:50S ribosomal protein L20
Gene (Uniprot):rplT
Chain IDs:U (auth: P)
Chain Length:118
Number of Molecules:1
Biological Source:Escherichia coli

UniProt ID:P0A7L3 Pfam ID:PF00453

Protein Blast

Polymer Type:polypeptide(L)
Molecule:50S ribosomal protein L21
Gene (Uniprot):rplU
Chain IDs:V (auth: Q)
Chain Length:103
Number of Molecules:1
Biological Source:Escherichia coli

UniProt ID:P0AG48 Pfam ID:PF00829

Protein Blast

Polymer Type:polypeptide(L)
Molecule:50S ribosomal protein L22
Gene (Uniprot):rplV
Chain IDs:W (auth: R)
Chain Length:102
Number of Molecules:1
Biological Source:Escherichia coli

UniProt ID:P61175 Pfam ID:PF00237

Protein Blast

Polymer Type:polypeptide(L)
Molecule:50S ribosomal protein L23
Gene (Uniprot):rplW
Chain IDs:X (auth: S)
Chain Length:118
Number of Molecules:1
Biological Source:Escherichia coli

UniProt ID:P0ADZ0 Pfam ID:PF00276

Protein Blast

Polymer Type:polypeptide(L)
Molecule:50S ribosomal protein L24
Gene (Uniprot):rplX
Chain IDs:Y (auth: T)
Chain Length:104
Number of Molecules:1
Biological Source:Escherichia coli

UniProt ID:P60624 Pfam ID:PF00467, PF17136

Protein Blast

Polymer Type:polypeptide(L)
Molecule:50S ribosomal protein L25
Gene (Uniprot):rplY
Chain IDs:Z (auth: U)
Chain Length:89
Number of Molecules:1
Biological Source:Escherichia coli

UniProt ID:P68919 Pfam ID:PF01386

Protein Blast

Polymer Type:polypeptide(L)
Molecule:50S ribosomal protein L27
Gene (Uniprot):rpmA
Chain IDs:AA (auth: V)
Chain Length:85
Number of Molecules:1
Biological Source:Escherichia coli

UniProt ID:P0A7L8 Pfam ID:PF01016

Protein Blast

Polymer Type:polypeptide(L)
Molecule:50S ribosomal protein L28
Gene (Uniprot):rpmB
Chain IDs:BA (auth: W)
Chain Length:101
Number of Molecules:1
Biological Source:Escherichia coli

UniProt ID:P0A7M2 Pfam ID:PF00830

Protein Blast

Polymer Type:polypeptide(L)
Molecule:50S ribosomal protein L29
Gene (Uniprot):rpmC
Chain IDs:CA (auth: X)
Chain Length:84
Number of Molecules:1
Biological Source:Escherichia coli

UniProt ID:P0A7M6 Pfam ID:PF00831

Protein Blast

Polymer Type:polypeptide(L)
Molecule:50S ribosomal protein L30
Gene (Uniprot):rpmD
Chain IDs:DA (auth: Y)
Chain Length:59
Number of Molecules:1
Biological Source:Escherichia coli

UniProt ID:P0AG51 Pfam ID:PF00327

Protein Blast

Polymer Type:polypeptide(L)
Molecule:50S ribosomal protein L32
Gene (Uniprot):rpmF
Chain IDs:EA (auth: Z)
Chain Length:92
Number of Molecules:1
Biological Source:Escherichia coli

UniProt ID:P0A7N4 Pfam ID:PF01783

Protein Blast

Polymer Type:polypeptide(L)
Molecule:50S ribosomal protein L33
Gene (Uniprot):rpmG
Chain IDs:FA (auth: a)
Chain Length:55
Number of Molecules:1
Biological Source:Escherichia coli

UniProt ID:P0A7N9 Pfam ID:PF00471

Protein Blast

Polymer Type:polypeptide(L)
Molecule:50S ribosomal protein L34
Gene (Uniprot):rpmH
Chain IDs:GA (auth: b)
Chain Length:273
Number of Molecules:1
Biological Source:Escherichia coli

UniProt ID:P0A7P5 Pfam ID:PF00468

Protein Blast

Polymer Type:polypeptide(L)
Molecule:50S ribosomal protein L35
Gene (Uniprot):rpmI
Chain IDs:HA (auth: c)
Chain Length:65
Number of Molecules:1
Biological Source:Escherichia coli

UniProt ID:P0A7Q1 Pfam ID:PF01632

Protein Blast

Polymer Type:polypeptide(L)
Molecule:50S ribosomal protein L36
Gene (Uniprot):rpmJ
Chain IDs:IA (auth: d)
Chain Length:38
Number of Molecules:1
Biological Source:Escherichia coli

UniProt ID:P0A7Q6 Pfam ID:PF00444

Protein Blast

Polymer Type:polypeptide(L)
Molecule:50S ribosomal protein L10
Gene (Uniprot):rplJ
Chain IDs:JA (auth: e)
Chain Length:165
Number of Molecules:1
Biological Source:Escherichia coli

UniProt ID:P0A7J3 Pfam ID:PF00466

Protein Blast

Polymer Type:polypeptide(L)
Molecule:Translation initiation factor IF-2
Gene (Uniprot):infB
Chain IDs:KA (auth: f)
Chain Length:890
Number of Molecules:1
Biological Source:Escherichia coli

UniProt ID:P0A705 Pfam ID:PF04760, PF08364, PF00009, PF22042, PF11987, PF03144 EC:3.6.5.3

Polymer Type:polyribonucleotide
Molecule:16S ribosomal RNA
Chain IDs:LA (auth: g)
Chain Length:1542
Number of Molecules:1
Biological Source:Escherichia coli

Protein Blast

Polymer Type:polypeptide(L)
Molecule:30S ribosomal protein S3
Gene (Uniprot):rpsC
Chain IDs:MA (auth: h)
Chain Length:142
Number of Molecules:1
Biological Source:Escherichia coli

UniProt ID:P0A7V3 Pfam ID:PF07650, PF00189

Protein Blast

Polymer Type:polypeptide(L)
Molecule:30S ribosomal protein S2
Gene (Uniprot):rpsB
Chain IDs:NA (auth: j)
Chain Length:123
Number of Molecules:1
Biological Source:Escherichia coli

UniProt ID:P0A7V0 Pfam ID:PF00318

Protein Blast

Polymer Type:polypeptide(L)
Molecule:30S ribosomal protein S5
Gene (Uniprot):rpsE
Chain IDs:OA (auth: k)
Chain Length:167
Number of Molecules:1
Biological Source:Escherichia coli

UniProt ID:P0A7W1 Pfam ID:PF00333, PF03719

Protein Blast

Polymer Type:polypeptide(L)
Molecule:30S ribosomal protein S4
Gene (Uniprot):rpsD
Chain IDs:PA (auth: l)
Chain Length:136
Number of Molecules:1
Biological Source:Escherichia coli

UniProt ID:P0A7V8 Pfam ID:PF00163, PF01479

Protein Blast

Polymer Type:polypeptide(L)
Molecule:30S ribosomal protein S7
Gene (Uniprot):rpsG
Chain IDs:QA (auth: m)
Chain Length:127
Number of Molecules:1
Biological Source:Escherichia coli

UniProt ID:P02359 Pfam ID:PF00177

Protein Blast

Polymer Type:polypeptide(L)
Molecule:30S ribosomal protein S6
Gene (Uniprot):rpsF
Chain IDs:RA (auth: n)
Chain Length:117
Number of Molecules:1
Biological Source:Escherichia coli

UniProt ID:P02358 Pfam ID:PF01250

Protein Blast

Polymer Type:polypeptide(L)
Molecule:30S ribosomal protein S9
Gene (Uniprot):rpsI
Chain IDs:SA (auth: o)
Chain Length:115
Number of Molecules:1
Biological Source:Escherichia coli

UniProt ID:P0A7X3 Pfam ID:PF00380

Protein Blast

Polymer Type:polypeptide(L)
Molecule:30S ribosomal protein S8
Gene (Uniprot):rpsH
Chain IDs:TA (auth: p)
Chain Length:118
Number of Molecules:1
Biological Source:Escherichia coli

UniProt ID:P0A7W7 Pfam ID:PF00410

Protein Blast

Polymer Type:polypeptide(L)
Molecule:30S ribosomal protein S11
Gene (Uniprot):rpsK
Chain IDs:UA (auth: q)
Chain Length:103
Number of Molecules:1
Biological Source:Escherichia coli

UniProt ID:P0A7R9 Pfam ID:PF00411

Protein Blast

Polymer Type:polypeptide(L)
Molecule:30S ribosomal protein S10
Gene (Uniprot):rpsJ
Chain IDs:VA (auth: r)
Chain Length:102
Number of Molecules:1
Biological Source:Escherichia coli

UniProt ID:P0A7R5 Pfam ID:PF00338

Protein Blast

Polymer Type:polypeptide(L)
Molecule:30S ribosomal protein S13
Gene (Uniprot):rpsM
Chain IDs:WA (auth: s)
Chain Length:118
Number of Molecules:1
Biological Source:Escherichia coli

UniProt ID:P0A7S9 Pfam ID:PF00416

Protein Blast

Polymer Type:polypeptide(L)
Molecule:30S ribosomal protein S12
Gene (Uniprot):rpsL
Chain IDs:XA (auth: t)
Chain Length:104
Number of Molecules:1
Biological Source:Escherichia coli

UniProt ID:P0A7S3 Pfam ID:PF00164

Protein Blast

Polymer Type:polypeptide(L)
Molecule:30S ribosomal protein S15
Gene (Uniprot):rpsO
Chain IDs:YA (auth: u)
Chain Length:89
Number of Molecules:1
Biological Source:Escherichia coli

UniProt ID:P0ADZ4 Pfam ID:PF00312

Polymer Type:polyribonucleotide
Molecule:tRNA
Chain IDs:ZA (auth: v)
Chain Length:85
Number of Molecules:1
Biological Source:Escherichia coli

Protein Blast

Polymer Type:polypeptide(L)
Molecule:30S ribosomal protein S14
Gene (Uniprot):rpsN
Chain IDs:AB (auth: w)
Chain Length:101
Number of Molecules:1
Biological Source:Escherichia coli

UniProt ID:P0AG59 Pfam ID:PF00253

Protein Blast

Polymer Type:polypeptide(L)
Molecule:30S ribosomal protein S17
Gene (Uniprot):rpsQ
Chain IDs:BB (auth: x)
Chain Length:84
Number of Molecules:1
Biological Source:Escherichia coli

UniProt ID:P0AG63 Pfam ID:PF00366

Protein Blast

Polymer Type:polypeptide(L)
Molecule:30S ribosomal protein S16
Gene (Uniprot):rpsP
Chain IDs:CB (auth: y)
Chain Length:59
Number of Molecules:1
Biological Source:Escherichia coli

UniProt ID:P0A7T3 Pfam ID:PF00886

Protein Blast

Polymer Type:polypeptide(L)
Molecule:30S ribosomal protein S19
Gene (Uniprot):rpsS
Chain IDs:DB (auth: z)
Chain Length:92
Number of Molecules:1
Biological Source:Escherichia coli

UniProt ID:P0A7U3 Pfam ID:PF00203

Modified Residue

Compound ID	Chain ID	Parent Comp ID	Details
4SU	ZA	U	4-THIOURIDINE-5'-MONOPHOSPHATE
5MU	ZA	U	5-METHYLURIDINE 5'-MONOPHOSPHATE
H2U	ZA	U	5,6-DIHYDROURIDINE-5'-MONOPHOSPHATE
PSU	ZA	U	PSEUDOURIDINE-5'-MONOPHOSPHATE

Ligand Molecules

FME

GNP

Primary Citation

Structures of ribosome-bound initiation factor 2 reveal the mechanism of subunit association.

Sprink, T, Ramrath, D.J, Yamamoto, H, Yamamoto, K, Loerke, J, Ismer, J, Hildebrand, P.W, Scheerer, P, Burger, J, Mielke, T, Spahn, C.M.Show

Sci Adv 2 e1501502 e1501502 (2016)

PMID: 26973877 DOI: 10.1126/sciadv.1501502

Abstact

Throughout the four phases of protein biosynthesis-initiation, elongation, termination, and recycling-the ribosome is controlled and regulated by at least one specified translational guanosine triphosphatase (trGTPase). Although the structural basis for trGTPase interaction with the ribosome has been solved for the last three steps of translation, the high-resolution structure for the key initiation trGTPase, initiation factor 2 (IF2), complexed with the ribosome, remains elusive. We determine the structure of IF2 complexed with a nonhydrolyzable guanosine triphosphate analog and initiator fMet-tRNAi (Met) in the context of the Escherichia coli ribosome to 3.7-Å resolution using cryo-electron microscopy. The structural analysis reveals previously unseen intrinsic conformational modes of the 70S initiation complex, establishing the mutual interplay of IF2 and initator transfer RNA (tRNA) with the ribsosome and providing the structural foundation for a mechanistic understanding of the final steps of translation initiation.

Legend

Protein

Chemical

Disease

Primary Citation of related structures