Protein: RS9
Small ribosomal subunit protein uS9 (30S ribosomal protein S9)

Gene: RS9, rpsI
Organism: Escherichia coli K-12
Interactions: 159
UniProt ID: P0A7X3

Gene Ontology (top 5):
GO:0000049 - tRNA binding
GO:0002181 - cytoplasmic translation
GO:0003723 - RNA binding
GO:0003735 - structural constituent of ribosome
GO:0005737 - cytoplasm

Download interactions: TXT   MITAB-2.5

Interaction Interactor Experiments Homologs Category Interaction
Score
Confidence

382645

RS7
Small ribosomal subunit protein uS7

2

6

High-throughput

0.789

High

494224

RS5
Small ribosomal subunit protein uS5

2

5

High-throughput

0.612

High

493320

RS12
Small ribosomal subunit protein uS12

2

4

High-throughput

0.611

High

494459

RNR
Ribonuclease R

2

2

High-throughput

0.588

High

395071

DNAA
Chromosomal replication initiator protein DnaA

2

0

High-throughput

0.585

High

494414

RNG
Ribonuclease G

2

0

High-throughput

0.585

High

494401

TIG
Trigger factor

2

0

Small-scale

0.576

High

494517

DCYD
D-cysteine desulfhydrase

2

0

High-throughput

0.569

High

494399

RNH
Ribonuclease HI

2

0

High-throughput

0.563

High

494447

SPOT
Bifunctional

2

0

High-throughput

0.563

High

444337

ERA
GTPase Era

1

4

High-throughput

0.536

High

489331

ISCS
Cysteine desulfurase IscS

1

1

High-throughput

0.536

High

491314

HSCA
Chaperone protein HscA

1

3

High-throughput

0.536

High

493459

RS16
Small ribosomal subunit protein bS16

1

3

High-throughput

0.536

High

493527

RS18
Small ribosomal subunit protein bS18

1

4

High-throughput

0.536

High

493841

RS3
Small ribosomal subunit protein uS3

1

2

High-throughput

0.536

High

494027

RS4
Small ribosomal subunit protein uS4

1

2

High-throughput

0.536

High

494402

YEBC
Probable transcriptional regulatory protein YebC

1

2

High-throughput

0.536

High

494403

YEEN
Probable transcriptional regulatory protein YeeN

1

2

High-throughput

0.536

High

494406

XERD
Tyrosine recombinase XerD

1

1

High-throughput

0.536

High

494409

CSPE
Cold shock-like protein CspE

1

13

High-throughput

0.536

High

494410

CSPG
Cold shock-like protein CspG

1

13

High-throughput

0.536

High

494411

CSPI
Cold shock-like protein CspI

1

13

High-throughput

0.536

High

494412

SOXS
Regulatory protein SoxS

1

3

High-throughput

0.536

High

494415

SLYD
FKBP-type peptidyl-prolyl cis-trans isomerase SlyD

1

1

High-throughput

0.536

High

494420

CSPA
Cold shock protein CspA

1

13

High-throughput

0.536

High

494422

RL13
Large ribosomal subunit protein uL13

1

2

High-throughput

0.536

High

494428

GLMU
Bifunctional protein GlmU [Includes: UDP-N-acetylglucosamine pyrophosphorylase

1

1

High-throughput

0.536

High

494441

FKBX
FKBP-type 16 kDa peptidyl-prolyl cis-trans isomerase

1

1

High-throughput

0.536

High

494449

RS1
Small ribosomal subunit protein bS1

1

1

High-throughput

0.536

High

494450

TRMH
tRNA

1

2

High-throughput

0.536

High

494454

SELB
Selenocysteine-specific elongation factor

1

2

High-throughput

0.536

High

494460

SRMB
ATP-dependent RNA helicase SrmB

1

8

High-throughput

0.536

High

494462

LPXD
UDP-3-O-(3-hydroxymyristoyl)glucosamine N-acyltransferase

1

2

High-throughput

0.536

High

494463

MUKB
Chromosome partition protein MukB

1

3

High-throughput

0.536

High

494465

FMT
Methionyl-tRNA formyltransferase

1

1

High-throughput

0.536

High

494468

RECG
ATP-dependent DNA helicase RecG

1

5

High-throughput

0.536

High

494469

RHLE
ATP-dependent RNA helicase RhlE

1

5

High-throughput

0.536

High

494479

RLUF
Dual-specificity RNA pseudouridine synthase RluF

1

1

High-throughput

0.536

High

494483

RSMB
Ribosomal RNA small subunit methyltransferase B

1

2

High-throughput

0.536

High

494493

OBG
GTPase ObgE/CgtA

1

3

High-throughput

0.536

High

494497

RL2
Large ribosomal subunit protein uL2

1

2

High-throughput

0.536

High

494510

NPD
NAD-dependent protein deacylase

1

2

High-throughput

0.536

High

494511

YMFJ
Uncharacterized protein YmfJ

1

0

High-throughput

0.518

High

383996

RL15
Large ribosomal subunit protein uL15

1

0

High-throughput

0.513

High

408522

3MG2
DNA-3-methyladenine glycosylase 2

1

0

High-throughput

0.513

High

421050

ALKB
Alpha-ketoglutarate-dependent dioxygenase AlkB

1

0

High-throughput

0.513

High

449901

CCA
Multifunctional CCA protein [Includes: CCA-adding enzyme

1

0

High-throughput

0.513

High

478366

EX3
Exodeoxyribonuclease III

1

0

High-throughput

0.513

High

480532

GRPE
Protein GrpE

1

0

High-throughput

0.513

High

489377

END4
Endonuclease 4

1

0

High-throughput

0.513

High

491925

RPPH
RNA pyrophosphohydrolase

1

0

High-throughput

0.513

High

494404

YIHI
Der GTPase-activating protein YihI

1

0

High-throughput

0.513

High

494405

RLMH
Ribosomal RNA large subunit methyltransferase H

1

0

High-throughput

0.513

High

494413

MUG
G/U mismatch-specific DNA glycosylase

1

0

High-throughput

0.513

High

494418

GATD
Galactitol 1-phosphate 5-dehydrogenase

1

0

High-throughput

0.513

High

494427

YCED
Large ribosomal RNA subunit accumulation protein YceD

1

0

High-throughput

0.513

High

494429

DBHB
DNA-binding protein HU-beta

1

0

High-throughput

0.513

High

494432

SOXR
Redox-sensitive transcriptional activator SoxR

1

0

High-throughput

0.513

High

494444

NUSA
Transcription termination/antitermination protein NusA

1

0

High-throughput

0.513

High

494448

RL21
Large ribosomal subunit protein bL21

1

0

High-throughput

0.513

High

494453

FDHE
Protein FdhE

1

0

High-throughput

0.513

High

494455

SELD
Selenide, water dikinase

1

0

High-throughput

0.513

High

494464

MUKE
Chromosome partition protein MukE

1

0

High-throughput

0.513

High

494466

WAAC
Lipopolysaccharide heptosyltransferase 1

1

0

High-throughput

0.513

High

494467

INTD
Prophage integrase IntD

1

0

High-throughput

0.513

High

494470

WAAZ
Probable 3-deoxy-manno-octulosonic acid transferase

1

0

High-throughput

0.513

High

494478

YJAG
Uncharacterized protein YjaG

1

0

High-throughput

0.513

High

494487

PUUB
Gamma-glutamylputrescine oxidoreductase

1

0

High-throughput

0.513

High

494489

RSMC
Ribosomal RNA small subunit methyltransferase C

1

0

High-throughput

0.513

High

494494

TILS
tRNA(Ile)-lysidine synthase

1

0

High-throughput

0.513

High

494498

KGUA
Guanylate kinase

1

0

High-throughput

0.513

High

494500

YHBS
Uncharacterized N-acetyltransferase YhbS

1

0

High-throughput

0.513

High

494504

PLPHP
Pyridoxal phosphate homeostasis protein

1

0

High-throughput

0.513

High

494505

IF1
Translation initiation factor IF-1

1

0

High-throughput

0.513

High

494509

RLMKL
Ribosomal RNA large subunit methyltransferase K/L [Includes: 23S rRNA m2G2445 methyltransferase

1

0

High-throughput

0.513

High

494518

MTFA
Mlc titration factor A

1

0

High-throughput

0.513

High

494520

FADI
3-ketoacyl-CoA thiolase FadI

1

0

High-throughput

0.513

High

494522

CSE2
CRISPR system Cascade subunit CasB

1

0

High-throughput

0.513

High

494525

ARCM
Carbamate kinase-like protein YahI

1

0

High-throughput

0.513

High

494526

ATOC
Regulatory protein AtoC

1

0

High-throughput

0.513

High

494477

PTFLA
PTS system fructose-like EIIA component

1

0

High-throughput

0.493

High

421065

APPY
HTH-type transcriptional regulator AppY

1

3

High-throughput

0.489

High

494430

MELR
Melibiose operon regulatory protein

1

3

High-throughput

0.489

High

494515

CHO
Excinuclease cho

1

1

High-throughput

0.489

High

494524

HSCC
Chaperone protein HscC

1

3

High-throughput

0.489

High

491735

LPXA
Acyl-[acyl-carrier-protein]--UDP-N-acetylglucosamine O-acyltransferase

1

2

High-throughput

0.484

High

494416

DEAD
ATP-dependent RNA helicase DeaD

1

5

High-throughput

0.484

High

494421

CSPC
Cold shock-like protein CspC

1

13

High-throughput

0.484

High

494424

RSUA
Ribosomal small subunit pseudouridine synthase A

1

2

High-throughput

0.484

High

494451

YFIF
Uncharacterized tRNA/rRNA methyltransferase YfiF

1

3

High-throughput

0.479

High

490632

FABA
3-hydroxydecanoyl-[acyl-carrier-protein] dehydratase

1

0

High-throughput

0.464

High

491483

IF3
Translation initiation factor IF-3 [Cleaved into: Translation initiation factor IF-3, N-terminally processed; Translation initiation factor IF-3S]

1

0

High-throughput

0.464

High

491537

KDSA
2-dehydro-3-deoxyphosphooctonate aldolase

1

0

High-throughput

0.464

High

494400

RNPA
Ribonuclease P protein component

1

0

High-throughput

0.464

High

494417

FTSE
Cell division ATP-binding protein FtsE

1

0

High-throughput

0.464

High

494419

ULAR
HTH-type transcriptional regulator UlaR

1

0

High-throughput

0.464

High

494426

YBCJ
Putative RNA-binding protein YbcJ

1

0

High-throughput

0.464

High

486844

GLTD
Glutamate synthase [NADPH] small chain

1

0

High-throughput

0.458

High

494442

NSRR
HTH-type transcriptional repressor NsrR

1

0

High-throughput

0.458

High

494499

GMHBB
D-glycero-beta-D-manno-heptose-1,7-bisphosphate 7-phosphatase

1

0

High-throughput

0.458

High

494506

CSRA
Carbon storage regulator

1

0

High-throughput

0.458

High

360232

NDH
Type II NADH:quinone oxidoreductase

1

0

High-throughput

0.279

Low

367441

TRPE
Anthranilate synthase component 1

1

0

High-throughput

0.279

Low

367538

PHR
Deoxyribodipyrimidine photo-lyase

1

0

High-throughput

0.279

Low

469361

YCIH
Uncharacterized protein YciH

1

0

High-throughput

0.279

Low

494407

CLPS
ATP-dependent Clp protease adapter protein ClpS

1

0

High-throughput

0.279

Low

494408

ARGP
HTH-type transcriptional regulator ArgP

1

0

High-throughput

0.279

Low

494423

YEDF
Putative sulfur carrier protein YedF

1

0

High-throughput

0.279

Low

494425

WZB
Low molecular weight protein-tyrosine-phosphatase Wzb

1

0

High-throughput

0.279

Low

494431

GLCC
Glc operon transcriptional activator

1

0

High-throughput

0.279

Low

494433

RUTR
HTH-type transcriptional regulator RutR

1

0

High-throughput

0.279

Low

494434

LPXL
Lipid A biosynthesis lauroyltransferase

1

0

High-throughput

0.279

Low

494435

FUMD
Fumarase D

1

0

High-throughput

0.279

Low

494436

YDIE
Uncharacterized protein YdiE

1

0

High-throughput

0.279

Low

494437

YECA
Uncharacterized protein YecA

1

0

High-throughput

0.279

Low

494438

YECF
Uncharacterized protein YecF

1

0

High-throughput

0.279

Low

494440

YGIC
Putative acid--amine ligase YgiC

1

0

High-throughput

0.279

Low

494443

NUOE
NADH-quinone oxidoreductase subunit E

1

0

High-throughput

0.279

Low

494445

MEPS
Murein DD-endopeptidase MepS/Murein LD-carboxypeptidase

1

0

High-throughput

0.279

Low

494452

DAMX
Cell division protein DamX

1

0

High-throughput

0.279

Low

494456

MURG
UDP-N-acetylglucosamine--N-acetylmuramyl-(pentapeptide) pyrophosphoryl-undecaprenol N-acetylglucosamine transferase

1

0

High-throughput

0.279

Low

494457

MUTY
Adenine DNA glycosylase

1

0

High-throughput

0.279

Low

494458

YCIG
Uncharacterized protein YciG

1

0

High-throughput

0.279

Low

494461

PDEL
Cyclic di-GMP phosphodiesterase PdeL

1

0

High-throughput

0.279

Low

494471

DING
ATP-dependent DNA helicase DinG

1

0

High-throughput

0.279

Low

494472

ROXA
Ribosomal protein uL16 3-hydroxylase

1

0

High-throughput

0.279

Low

494473

WECG
UDP-N-acetyl-D-mannosaminuronic acid transferase

1

0

High-throughput

0.279

Low

494474

FTSN
Cell division protein FtsN

1

0

High-throughput

0.279

Low

494475

GREB
Transcription elongation factor GreB

1

0

High-throughput

0.279

Low

494476

CBRC
UPF0167 protein CbrC

1

0

High-throughput

0.279

Low

494480

OPGG
Glucans biosynthesis protein G

1

0

High-throughput

0.279

Low

494481

TRER
HTH-type transcriptional regulator TreR

1

0

High-throughput

0.279

Low

494484

YCHJ
UPF0225 protein YchJ

1

0

High-throughput

0.279

Low

494485

PMRD
Signal transduction protein PmrD

1

0

High-throughput

0.279

Low

494486

USPF
Universal stress protein F

1

0

High-throughput

0.279

Low

494488

YJHI
Uncharacterized HTH-type transcriptional regulator YjhI

1

0

High-throughput

0.279

Low

494491

QSEC
Sensor protein QseC

1

0

High-throughput

0.279

Low

494492

FADH
2,4-dienoyl-CoA reductase [(2E)-enoyl-CoA-producing]

1

0

High-throughput

0.279

Low

494495

RATB
UPF0125 protein RatB

1

0

High-throughput

0.279

Low

494496

YGAP
Thiosulfate sulfurtransferase YgaP

1

0

High-throughput

0.279

Low

494502

YGHW
Uncharacterized protein YghW

1

0

High-throughput

0.279

Low

494503

YHCO
Uncharacterized protein YhcO

1

0

High-throughput

0.279

Low

494507

WCAK
Colanic acid biosynthesis protein WcaK

1

0

High-throughput

0.279

Low

494508

YKFJ
Putative uncharacterized protein YkfJ

1

0

High-throughput

0.279

Low

494512

YCGZ
Probable two-component-system connector protein YcgZ

1

0

High-throughput

0.279

Low

494513

YMGA
Probable two-component-system connector protein YmgA

1

0

High-throughput

0.279

Low

494514

RACR
DNA-binding transcriptional repressor RacR

1

0

High-throughput

0.279

Low

494516

NIMR
HTH-type transcriptional regulator NimR

1

0

High-throughput

0.279

Low

494519

YEGL
Uncharacterized protein YegL

1

0

High-throughput

0.279

Low

494521

EUTP
Probable acetate kinase EutP

1

0

High-throughput

0.279

Low

494523

RHMD
L-rhamnonate dehydratase

1

0

High-throughput

0.279

Low

494527

YGCO
Ferredoxin-like protein YgcO

1

0

High-throughput

0.279

Low

494439

YGGE
Uncharacterized protein YggE

1

0

High-throughput

0.261

Low

494501

YPFJ
Uncharacterized protein YpfJ

1

0

High-throughput

0.261

Low

492030

PLSB
Glycerol-3-phosphate acyltransferase

1

0

High-throughput

0.253

Low

494446

SOHB
Probable protease SohB

1

0

High-throughput

0.249

Low

494482

YADG
Uncharacterized ABC transporter ATP-binding protein YadG

1

0

High-throughput

0.249

Low

494490

YJJU
Uncharacterized protein YjjU

1

0

High-throughput

0.249

Low


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Last updated: 11Aug2025