9Q43 | pdb_00009q43

Pseudomonas aeruginosa 50S ribosome bound to RsfS (L1 stalk in 'out' conformation)

  • Classification: RIBOSOME
  • Organism(s): Pseudomonas aeruginosa PAO1
  • Mutation(s): No 

  • Deposited: 2025-08-19 Released: 2026-08-26 
  • Deposition Author(s): Findlay, J.L., Kanik, M., Gauvin, C.C., Franklin, M.J., Lawrence, C.M.
  • Funding Organization(s): National Institutes of Health/National Institute of General Medical Sciences (NIH/NIGMS), National Science Foundation (NSF, United States), National Institutes of Health/National Institute Of Allergy and Infectious Diseases (NIH/NIAID)

Experimental Data Snapshot

  • Method: ELECTRON MICROSCOPY
  • Resolution: 2.29 Å
  • Aggregation State: PARTICLE 
  • Reconstruction Method: SINGLE PARTICLE 

Starting Models: experimental, in silico
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wwPDB Validation 3D Report Full Report

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This is version 1.0 of the entry. See complete history

Literature

RsfS Prevents 70S Formation During Active Cell Growth in P. aeruginosa

Findlay, J.L.Kanik, M.Franklin, M.J.Lawrence, C.M.

To be published.

Macromolecule Content 

  • Total Structure Weight: 1,448.39 kDa 
  • Atom Count: 99,173 
  • Modeled Residue Count: 6,780 
  • Deposited Residue Count: 7,120 
  • Unique protein chains: 32
  • Unique nucleic acid chains: 3

Macromolecules


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Entity ID: 3
MoleculeChains  Sequence LengthOrganismDetailsImage
Large ribosomal subunit protein uL1231Pseudomonas aeruginosa PAO1Mutation(s): 0 
UniProt
Find proteins for Q9HWC6 (Pseudomonas aeruginosa (strain ATCC 15692 / DSM 22644 / CIP 104116 / JCM 14847 / LMG 12228 / 1C / PRS 101 / PAO1))
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Entity ID: 4
MoleculeChains  Sequence LengthOrganismDetailsImage
Large ribosomal subunit protein uL2273Pseudomonas aeruginosa PAO1Mutation(s): 0 
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Find proteins for Q9HWD8 (Pseudomonas aeruginosa (strain ATCC 15692 / DSM 22644 / CIP 104116 / JCM 14847 / LMG 12228 / 1C / PRS 101 / PAO1))
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Entity ID: 5
MoleculeChains  Sequence LengthOrganismDetailsImage
Large ribosomal subunit protein uL3211Pseudomonas aeruginosa PAO1Mutation(s): 0 
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Entity ID: 6
MoleculeChains  Sequence LengthOrganismDetailsImage
Large ribosomal subunit protein uL4200Pseudomonas aeruginosa PAO1Mutation(s): 0 
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Entity ID: 7
MoleculeChains  Sequence LengthOrganismDetailsImage
Large ribosomal subunit protein uL5179Pseudomonas aeruginosa PAO1Mutation(s): 0 
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Entity ID: 8
MoleculeChains  Sequence LengthOrganismDetailsImage
Large ribosomal subunit protein uL6177Pseudomonas aeruginosa PAO1Mutation(s): 0 
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Entity ID: 9
MoleculeChains  Sequence LengthOrganismDetailsImage
Large ribosomal subunit protein bL9148Pseudomonas aeruginosa PAO1Mutation(s): 0 
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Find proteins for Q9HUN2 (Pseudomonas aeruginosa (strain ATCC 15692 / DSM 22644 / CIP 104116 / JCM 14847 / LMG 12228 / 1C / PRS 101 / PAO1))
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Entity ID: 10
MoleculeChains  Sequence LengthOrganismDetailsImage
Large ribosomal subunit protein uL13J [auth L]142Pseudomonas aeruginosa PAO1Mutation(s): 0 
UniProt
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Entity ID: 11
MoleculeChains  Sequence LengthOrganismDetailsImage
Large ribosomal subunit protein uL14K [auth M]122Pseudomonas aeruginosa PAO1Mutation(s): 0 
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Entity ID: 12
MoleculeChains  Sequence LengthOrganismDetailsImage
Large ribosomal subunit protein uL15L [auth N]144Pseudomonas aeruginosa PAO1Mutation(s): 0 
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Entity ID: 13
MoleculeChains  Sequence LengthOrganismDetailsImage
Large ribosomal subunit protein uL16M [auth O]137Pseudomonas aeruginosa PAO1Mutation(s): 0 
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Entity ID: 14
MoleculeChains  Sequence LengthOrganismDetailsImage
Large ribosomal subunit protein bL17N [auth P]129Pseudomonas aeruginosa PAO1Mutation(s): 0 
UniProt
Find proteins for O52761 (Pseudomonas aeruginosa (strain ATCC 15692 / DSM 22644 / CIP 104116 / JCM 14847 / LMG 12228 / 1C / PRS 101 / PAO1))
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Entity ID: 15
MoleculeChains  Sequence LengthOrganismDetailsImage
Large ribosomal subunit protein uL18O [auth Q]116Pseudomonas aeruginosa PAO1Mutation(s): 0 
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Entity ID: 16
MoleculeChains  Sequence LengthOrganismDetailsImage
Large ribosomal subunit protein bL19P [auth R]116Pseudomonas aeruginosa PAO1Mutation(s): 0 
UniProt
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Entity ID: 17
MoleculeChains  Sequence LengthOrganismDetailsImage
Large ribosomal subunit protein bL20Q [auth S]118Pseudomonas aeruginosa PAO1Mutation(s): 0 
UniProt
Find proteins for Q9I0A2 (Pseudomonas aeruginosa (strain ATCC 15692 / DSM 22644 / CIP 104116 / JCM 14847 / LMG 12228 / 1C / PRS 101 / PAO1))
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Entity ID: 18
MoleculeChains  Sequence LengthOrganismDetailsImage
Large ribosomal subunit protein bL21R [auth T]103Pseudomonas aeruginosa PAO1Mutation(s): 0 
UniProt
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Entity ID: 19
MoleculeChains  Sequence LengthOrganismDetailsImage
Large ribosomal subunit protein uL22S [auth U]110Pseudomonas aeruginosa PAO1Mutation(s): 0 
UniProt
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Entity ID: 20
MoleculeChains  Sequence LengthOrganismDetailsImage
Large ribosomal subunit protein uL23T [auth V]99Pseudomonas aeruginosa PAO1Mutation(s): 0 
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Entity ID: 21
MoleculeChains  Sequence LengthOrganismDetailsImage
Large ribosomal subunit protein uL24U [auth W]104Pseudomonas aeruginosa PAO1Mutation(s): 0 
UniProt
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Entity ID: 22
MoleculeChains  Sequence LengthOrganismDetailsImage
Large ribosomal subunit protein bL25V [auth X]204Pseudomonas aeruginosa PAO1Mutation(s): 0 
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Entity ID: 23
MoleculeChains  Sequence LengthOrganismDetailsImage
Large ribosomal subunit protein bL27W [auth Y]85Pseudomonas aeruginosa PAO1Mutation(s): 0 
UniProt
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Entity ID: 24
MoleculeChains  Sequence LengthOrganismDetailsImage
Large ribosomal subunit protein bL28X [auth Z]78Pseudomonas aeruginosa PAO1Mutation(s): 0 
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Entity ID: 25
MoleculeChains  Sequence LengthOrganismDetailsImage
Large ribosomal subunit protein uL29Y [auth 1]63Pseudomonas aeruginosa PAO1Mutation(s): 0 
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Entity ID: 26
MoleculeChains  Sequence LengthOrganismDetailsImage
Large ribosomal subunit protein uL30Z [auth 2]58Pseudomonas aeruginosa PAO1Mutation(s): 0 
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Entity ID: 27
MoleculeChains  Sequence LengthOrganismDetailsImage
Large ribosomal subunit protein bL32AA [auth 4]60Pseudomonas aeruginosa PAO1Mutation(s): 0 
UniProt
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Entity ID: 28
MoleculeChains  Sequence LengthOrganismDetailsImage
Large ribosomal subunit protein bL33BA [auth 5]51Pseudomonas aeruginosa PAO1Mutation(s): 0 
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Entity ID: 29
MoleculeChains  Sequence LengthOrganismDetailsImage
Large ribosomal subunit protein bL34CA [auth 6]44Pseudomonas aeruginosa PAO1Mutation(s): 0 
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Entity ID: 30
MoleculeChains  Sequence LengthOrganismDetailsImage
Large ribosomal subunit protein bL35DA [auth 7]64Pseudomonas aeruginosa PAO1Mutation(s): 0 
UniProt
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Entity ID: 31
MoleculeChains  Sequence LengthOrganismDetailsImage
Large ribosomal subunit protein bL36AEA [auth 8]38Pseudomonas aeruginosa PAO1Mutation(s): 0 
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Entity ID: 32
MoleculeChains  Sequence LengthOrganismDetailsImage
Ribosomal silencing factor RsfSFA [auth 9]118Pseudomonas aeruginosa PAO1Mutation(s): 0 
UniProt
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Entity ID: 34
MoleculeChains  Sequence LengthOrganismDetailsImage
Large ribosomal subunit protein uL10HA [auth J]166Pseudomonas aeruginosa PAO1Mutation(s): 0 
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Entity ID: 35
MoleculeChains  Sequence LengthOrganismDetailsImage
Large ribosomal subunit protein uL10IA [auth K]143Pseudomonas aeruginosa PAO1Mutation(s): 0 
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Entity ID: 1
MoleculeChains LengthOrganismImage
23S rRNA2,892Pseudomonas aeruginosa PAO1
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Entity ID: 2
MoleculeChains LengthOrganismImage
5S rRNA121Pseudomonas aeruginosa PAO1
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Entity ID: 33
MoleculeChains LengthOrganismImage
tRNA-AlaGA [auth v]76Pseudomonas aeruginosa PAO1
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Reference Sequence

Small Molecules

Ligands 2 Unique
IDChains Name / Formula / InChI Key2D Diagram3D Interactions
ZN

Query on ZN



Download:Ideal Coordinates CCD File
DI [auth 8]ZINC ION
Zn
PTFCDOFLOPIGGS-UHFFFAOYSA-N
MG

Query on MG



Download:Ideal Coordinates CCD File
AB [auth A]
AC [auth A]
AD [auth A]
AE [auth A]
AF [auth A]
AB [auth A],
AC [auth A],
AD [auth A],
AE [auth A],
AF [auth A],
AG [auth A],
AH [auth A],
AI [auth E],
BB [auth A],
BC [auth A],
BD [auth A],
BE [auth A],
BF [auth A],
BG [auth A],
BH [auth A],
BI [auth S],
CB [auth A],
CC [auth A],
CD [auth A],
CE [auth A],
CF [auth A],
CG [auth A],
CH [auth A],
CI [auth 4],
DB [auth A],
DC [auth A],
DD [auth A],
DE [auth A],
DF [auth A],
DG [auth A],
DH [auth A],
EB [auth A],
EC [auth A],
ED [auth A],
EE [auth A],
EF [auth A],
EG [auth A],
EH [auth A],
FB [auth A],
FC [auth A],
FD [auth A],
FE [auth A],
FF [auth A],
FG [auth A],
FH [auth A],
GB [auth A],
GC [auth A],
GD [auth A],
GE [auth A],
GF [auth A],
GG [auth A],
GH [auth A],
HB [auth A],
HC [auth A],
HD [auth A],
HE [auth A],
HF [auth A],
HG [auth A],
HH [auth A],
IB [auth A],
IC [auth A],
ID [auth A],
IE [auth A],
IF [auth A],
IG [auth A],
IH [auth A],
JA [auth A],
JB [auth A],
JC [auth A],
JD [auth A],
JE [auth A],
JF [auth A],
JG [auth A],
JH [auth A],
KA [auth A],
KB [auth A],
KC [auth A],
KD [auth A],
KE [auth A],
KF [auth A],
KG [auth A],
KH [auth A],
LA [auth A],
LB [auth A],
LC [auth A],
LD [auth A],
LE [auth A],
LF [auth A],
LG [auth A],
LH [auth A],
MA [auth A],
MB [auth A],
MC [auth A],
MD [auth A],
ME [auth A],
MF [auth A],
MG [auth A],
MH [auth A],
NA [auth A],
NB [auth A],
NC [auth A],
ND [auth A],
NE [auth A],
NF [auth A],
NG [auth A],
NH [auth A],
OA [auth A],
OB [auth A],
OC [auth A],
OD [auth A],
OE [auth A],
OF [auth A],
OG [auth A],
OH [auth A],
PA [auth A],
PB [auth A],
PC [auth A],
PD [auth A],
PE [auth A],
PF [auth A],
PG [auth A],
PH [auth A],
QA [auth A],
QB [auth A],
QC [auth A],
QD [auth A],
QE [auth A],
QF [auth A],
QG [auth A],
QH [auth A],
RA [auth A],
RB [auth A],
RC [auth A],
RD [auth A],
RE [auth A],
RF [auth A],
RG [auth A],
RH [auth A],
SA [auth A],
SB [auth A],
SC [auth A],
SD [auth A],
SE [auth A],
SF [auth A],
SG [auth A],
SH [auth A],
TA [auth A],
TB [auth A],
TC [auth A],
TD [auth A],
TE [auth A],
TF [auth A],
TG [auth A],
TH [auth A],
UA [auth A],
UB [auth A],
UC [auth A],
UD [auth A],
UE [auth A],
UF [auth A],
UG [auth A],
UH [auth A],
VA [auth A],
VB [auth A],
VC [auth A],
VD [auth A],
VE [auth A],
VF [auth A],
VG [auth A],
VH [auth A],
WA [auth A],
WB [auth A],
WC [auth A],
WD [auth A],
WE [auth A],
WF [auth A],
WG [auth A],
WH [auth B],
XA [auth A],
XB [auth A],
XC [auth A],
XD [auth A],
XE [auth A],
XF [auth A],
XG [auth A],
XH [auth B],
YA [auth A],
YB [auth A],
YC [auth A],
YD [auth A],
YE [auth A],
YF [auth A],
YG [auth A],
YH [auth B],
ZA [auth A],
ZB [auth A],
ZC [auth A],
ZD [auth A],
ZE [auth A],
ZF [auth A],
ZG [auth A],
ZH [auth D]
MAGNESIUM ION
Mg
JLVVSXFLKOJNIY-UHFFFAOYSA-N

Experimental Data & Validation

Experimental Data

  • Method: ELECTRON MICROSCOPY
  • Resolution: 2.29 Å
  • Aggregation State: PARTICLE 
  • Reconstruction Method: SINGLE PARTICLE 
EM Software:
TaskSoftware PackageVersion
MODEL REFINEMENTPHENIX1.20.1_4487
RECONSTRUCTIONcryoSPARCv4.7.1

Structure Validation

View Full Validation Report



Entry History 

& Funding Information

Deposition Data


Funding OrganizationLocationGrant Number
National Institutes of Health/National Institute of General Medical Sciences (NIH/NIGMS)United StatesNIH 1R41GM148117
National Institutes of Health/National Institute of General Medical Sciences (NIH/NIGMS)United StatesNIH R41GM153173
National Science Foundation (NSF, United States)United StatesNSF DBI-1828765
National Institutes of Health/National Institute of General Medical Sciences (NIH/NIGMS)United StatesNIH P30GM140963
National Institutes of Health/National Institute Of Allergy and Infectious Diseases (NIH/NIAID)United StatesNIH R21 AI154171

Revision History  (Full details and data files)

  • Version 1.0: 2026-08-26
    Type: Initial release