Protein: PSS
CDP-diacylglycerol--serine O-phosphatidyltransferase PssA (EC 2.7.8.8) (Phosphatidylserine synthase)

Gene: PSS, pssA
Organism: Escherichia coli K-12
Interactions: 41
UniProt ID: P23830

Gene Ontology (top 5):
GO:0003882 - CDP-diacylglycerol-serine O-phosphatidyltransferase activity
GO:0005543 - phospholipid binding
GO:0005737 - cytoplasm
GO:0005829 - cytosol
GO:0005886 - plasma membrane

Download interactions: TXT   MITAB-2.5

Interaction Interactor Experiments Homologs Category Interaction
Score
Confidence

663206

RLUB
Ribosomal large subunit pseudouridine synthase B

2

1

High-throughput

0.611

High

494125

RS4
Small ribosomal subunit protein uS4

3

0

High-throughput

0.607

High

501383

RS1
Small ribosomal subunit protein bS1

2

1

High-throughput

0.588

High

497107

DEAD
ATP-dependent RNA helicase DeaD

1

0

High-throughput

0.586

High

663213

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

2

0

High-throughput

0.585

High

492527

RL7
Large ribosomal subunit protein bL12

2

0

High-throughput

0.563

High

493938

RS3
Small ribosomal subunit protein uS3

2

0

High-throughput

0.563

High

494631

RPOA
DNA-directed RNA polymerase subunit alpha

2

0

High-throughput

0.563

High

497995

YBCJ
Putative RNA-binding protein YbcJ

2

0

High-throughput

0.563

High

499861

PPID
Periplasmic chaperone PpiD

2

0

High-throughput

0.563

High

499932

RL23
Large ribosomal subunit protein uL23

2

0

High-throughput

0.563

High

500726

NUSG
Transcription termination/antitermination protein NusG

2

0

High-throughput

0.563

High

501240

RL21
Large ribosomal subunit protein bL21

2

0

High-throughput

0.563

High

501329

RS14
Small ribosomal subunit protein uS14

2

0

High-throughput

0.563

High

663210

RS21
Small ribosomal subunit protein bS21

2

0

High-throughput

0.563

High

497633

RLUC
Ribosomal large subunit pseudouridine synthase C

1

1

High-throughput

0.561

High

638574

RNR
Ribonuclease R

1

0

High-throughput

0.537

High

639462

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

1

0

High-throughput

0.537

High

421124

PNP
Polyribonucleotide nucleotidyltransferase

1

1

High-throughput

0.536

High

382713

RS7
Small ribosomal subunit protein uS7

1

0

High-throughput

0.513

High

444307

TOP1
DNA topoisomerase 1

1

0

High-throughput

0.513

High

492755

RL1
Large ribosomal subunit protein uL1

1

0

High-throughput

0.513

High

493404

RS13
Small ribosomal subunit protein uS13

1

0

High-throughput

0.513

High

493786

RS2
Small ribosomal subunit protein uS2

1

0

High-throughput

0.513

High

494307

RS5
Small ribosomal subunit protein uS5

1

0

High-throughput

0.513

High

495185

YEEN
Probable transcriptional regulatory protein YeeN

1

0

High-throughput

0.513

High

500897

PPX
Exopolyphosphatase

1

0

High-throughput

0.513

High

501170

RL17
Large ribosomal subunit protein bL17

1

0

High-throughput

0.513

High

663207

RL2
Large ribosomal subunit protein uL2

1

0

High-throughput

0.513

High

663208

RL3
Large ribosomal subunit protein uL3

1

0

High-throughput

0.513

High

496731

PHOL
PhoH-like protein

1

0

High-throughput

0.464

High

501605

YFIF
Uncharacterized tRNA/rRNA methyltransferase YfiF

1

0

High-throughput

0.464

High

495581

TMAR
Pole-localizer protein TmaR

1

0

High-throughput

0.458

High

498309

PCNB
Poly(A) polymerase I

1

0

High-throughput

0.458

High

501102

SPOT
Bifunctional

1

0

High-throughput

0.458

High

663212

YCAO
Ribosomal protein S12 methylthiotransferase accessory factor YcaO

1

0

High-throughput

0.458

High

663214

MENI
1,4-dihydroxy-2-naphthoyl-CoA hydrolase

1

0

High-throughput

0.458

High

495442

TRMB
tRNA

2

0

High-throughput

0.307

High

663209

YGHW
Uncharacterized protein YghW

1

0

High-throughput

0.279

Low

663211

YBJX
Uncharacterized protein YbjX

1

0

High-throughput

0.279

Low

494575

RNPA
Ribonuclease P protein component

1

0

High-throughput

0.253

Low


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Last updated: 11Aug2025