Table 1 Proteins identified as Matrin 3 interacting proteins by mass spectrometry

(a) Identified as Matrin 3 interacting proteins in uninfected and infected cells

 Matrin 3*

MATR3, KIAA0723

P43243

 Probable ATP-dependent RNA helicase DDX5

DDX5, G17P1, HELR, HLR1

P17844

 Heterogeneous nuclear ribonucleoproteins A2/B1*

ROA2, HNRNPA2B1

P22626

 ATP-dependent RNA helicase DDX3X

DDX3X, DDX3, DBX,

O00571

 Heterogeneous nuclear ribonucleoprotein U

HNRPU, HNRNPU SAFA, U21.1

Q00839

 Polypyrimidine tract-binding protein 1

PTBP1, PTB

P26599

 Heterogeneous nuclear ribonucleoproteins C1/C2*

HNRPC, HNRNPC

P07910

 Heterogeneous nuclear ribonucleoprotein M

HNRPM, HNRNPM, NAGR1

P52272

 Heterogeneous nuclear ribonucleoprotein A1

ROA1, HNRPA1, HNRNPA1

P09651

(b) Identified as a Matrin 3 interacting protein in infected cells alone

 Probable ATP-dependent RNA helicase DDX17*

DDX17, RNA-dependent helicase p72

Q92841

 ATP-dependent DNA helicase

RECQ1, RECQL1

P46063

 Tubulin alpha-1A

TBA1A, TUBA3

Q71U36

 Tubulin beta-2C chain

TBB2C, TUBB2C, TUBB4B

P68371

 Cellular tumor antigen p53

P53, TP53

P04637

 Heterogeneous nuclear ribonucleoprotein R

HNRPR, HNRNPR

O43390

 Histone H1.2

H12, HIST1H1C, H1F2

P16403

 Plasminogen activator inhibitor 1 RNA-binding protein

PAIRB, PAIRBP1, SERBP1

Q8NC51

 Heterogeneous nuclear ribonucleoprotein K

HNRPK, HNRNPK

P61978

 Tubulin beta-6 chain

TBB6, TUBB6

Q9BUF5

 Tropomyosin alpha-1 chain

TPM1, C15orf13, TMSA

P09493

 60S ribosomal protein L7

RL7, RPL7

P18124

 Exosome complex component RRP40

EXOS3, EXOSC3, RRP40

Q9NQT5

 SAFB-like transcription modulator

SLTM, MET

Q9NWH9

 60S ribosomal protein L15

RL15, EC45

P61313

 ELAV-like protein 1

ELAV1, ELAVL1, HUR

Q15717

 60S ribosomal protein L18

RL18, RPL18

Q07020

 Heterogeneous nuclear ribonucleoprotein A3

ROA3, HNRNPA3, HNRPA3

P51991