Protein: RSMB
Small nuclear ribonucleoprotein-associated protein B (snRNP-B) (Sm protein B) (Sm-B) (SmB)

Gene: RSMB, SmB
Organism: Drosophila melanogaster
Interactions: 80
UniProt ID: Q05856

Gene Ontology (top 5):
GO:0000398 - mRNA splicing, via spliceosome
GO:0003723 - RNA binding
GO:0005634 - nucleus
GO:0005681 - spliceosomal complex
GO:0005682 - U5 snRNP

Download interactions: TXT   MITAB-2.5

Interaction Interactor Experiments Homologs Category Interaction
Score
Confidence

1052576

SMD2
Probable small nuclear ribonucleoprotein Sm D2

2

6

Small-scale

0.737

High

1052562

Q960F7
SD03629p

2

0

High-throughput

0.728

High

232170

SMD3
Small nuclear ribonucleoprotein Sm D3

2

17

High-throughput

0.712

High

1052560

PAN3
PAN2-PAN3 deadenylation complex subunit PAN3

2

2

High-throughput

0.624

High

1052555

NAA38
N-alpha-acetyltransferase 38, NatC auxiliary subunit

1

13

Small-scale

0.621

High

1052591

SMD1
Probable small nuclear ribonucleoprotein Sm D1

1

17

High-throughput

0.618

High

638296

SINA
E3 ubiquitin-protein ligase sina

2

2

High-throughput

0.594

High

1052545

BTD
Transcription factor btd

2

1

High-throughput

0.594

High

1052578

RUXE
Probable small nuclear ribonucleoprotein E

1

3

High-throughput

0.575

High

1052597

RUXG
Probable small nuclear ribonucleoprotein G

1

19

High-throughput

0.575

High

847857

SNRPA
U1 small nuclear ribonucleoprotein A

2

6

Small-scale

0.571

High

1052544

DEAF1
Deformed epidermal autoregulatory factor 1

1

1

High-throughput

0.552

High

1052569

Q9VE96
LD44138p

2

9

High-throughput

0.542

High

1014304

UBX
Homeotic protein ultrabithorax

1

1

Small-scale

0.515

High

633091

CNC
Segmentation protein cap'n'collar

1

2

High-throughput

0.508

High

1052566

Q9VCD5
UV excision repair protein RAD23

1

1

High-throughput

0.508

High

1052584

CATIN
Splicing factor Cactin

1

1

High-throughput

0.508

High

1052585

Q9VRQ2
Mitotic spindle assembly checkpoint protein MAD2A

1

1

High-throughput

0.508

High

1052596

Q9VWQ6
FI13061p

1

2

High-throughput

0.508

High

1052572

Q9VGW7
type I protein arginine methyltransferase

1

5

Small-scale

0.501

High

1052573

CARM1
Probable histone-arginine methyltransferase CARMER

1

6

Small-scale

0.501

High

1052552

Q86LC7
Deformed epidermal autoregulatory factor-1, isoform B

1

1

High-throughput

0.494

High

467160

CSK2B
Casein kinase II subunit beta

1

0

High-throughput

0.486

High

1052546

Q7K306
cyclin-dependent kinase

1

0

High-throughput

0.486

High

1052551

Q7YZ91
RT01013p

1

0

High-throughput

0.486

High

1052567

Q9VCW6
GCS light chain

1

0

High-throughput

0.486

High

1052574

Q9VHG0
Heterochromatin protein 1e

1

0

High-throughput

0.486

High

1052581

Q9VMQ8
Vacuolar protein sorting-associated protein 52 homolog

1

0

High-throughput

0.486

High

1052582

Q9VMS5
Bub1 kinase, isoform A

1

0

High-throughput

0.486

High

1052595

Q9VVU4
CBF1-interacting co-repressor CIR N-terminal domain-containing protein

1

0

High-throughput

0.486

High

94905

E1JGL8
Uncharacterized protein, isoform C

1

6

High-throughput

0.481

High

1052550

Q7KSF5
FI11917p

1

2

High-throughput

0.481

High

1052590

HEZ
LSM12 homolog B

1

2

Small-scale

0.481

High

1052602

CRK
Adapter molecule Crk

1

7

High-throughput

0.481

High

84786

SPN1
Snurportin-1

1

2

Small-scale

0.479

High

669646

STAU
Maternal effect protein staufen

1

5

Small-scale

0.479

High

1052559

Q95RE4
LD37574p

1

3

Small-scale

0.479

High

1052575

SF3B5
Splicing factor 3B subunit 5

1

2

Small-scale

0.479

High

1052594

SMN
Survival motor neuron protein

1

5

Small-scale

0.479

High

57109

A1ZAU6
FI05912p

1

1

High-throughput

0.464

High

852170

COPB
Coatomer subunit beta

1

2

High-throughput

0.464

High

1052564

Q9NCC3
Sorting nexin

1

1

High-throughput

0.464

High

1052583

POLZ2
DNA polymerase zeta subunit 2

1

1

High-throughput

0.464

High

1052543

MTRM
Protein matrimony

1

0

High-throughput

0.460

High

1052571

SPT3
SAGA complex subunit Spt3

1

0

Small-scale

0.458

High

1052587

Q9VSD6
D-Importin 7/RanBP7

1

0

Small-scale

0.458

High

57968

A1ZBB4
Uncharacterized protein, isoform B

1

6

High-throughput

0.457

High

1052570

Q9VEN5
Keap1, isoform A

1

2

High-throughput

0.457

High

1052561

Q95RW2
Crk oncogene, isoform B

1

7

High-throughput

0.451

High

231831

DKC1
H/ACA ribonucleoprotein complex subunit 4

1

1

High-throughput

0.445

High

1052547

DHX15
ATP-dependent RNA helicase DHX15 homolog

1

7

High-throughput

0.445

High

1052603

Q9Y134
RNA helicase

1

10

High-throughput

0.445

High

54247

A1Z8D5
FI20187p1

1

1

High-throughput

0.439

High

118437

M9NE97
Copper transport protein

1

1

High-throughput

0.439

High

1052599

Q9W0I2
RE15268p

1

1

High-throughput

0.439

High

56823

A1ZAK3
Protein DEK

1

0

High-throughput

0.426

High

1052554

EXOS3
Exosome complex component RRP40

1

0

High-throughput

0.426

High

1052557

Q8SXM8
Lysine--tRNA ligase

1

0

High-throughput

0.426

High

1052558

Q94513
Boundary element associated factor

1

0

Small-scale

0.426

High

1052563

NASP
Nuclear autoantigenic sperm protein homolog

1

0

High-throughput

0.426

High

1052598

SYRC
Probable arginine--tRNA ligase, cytoplasmic

1

0

High-throughput

0.426

High

1052601

ZN593
Zinc finger protein 593 homolog

1

0

High-throughput

0.426

High

54235

A1Z8D4
AT13868p

1

1

High-throughput

0.417

High

1052556

Q8IRH8
LP02252p

1

1

High-throughput

0.417

High

1052600

Q9W3X9
Copper transport protein

1

1

High-throughput

0.417

High

55564

A1Z9G7
Uncharacterized protein, isoform A

1

0

High-throughput

0.265

Low

146103

CH60A
Heat shock protein 60A

1

0

High-throughput

0.265

Low

1052548

Q7K3W4
GH08941p

1

0

High-throughput

0.265

Low

1052549

Q7K485
Cathepsin D

1

0

High-throughput

0.265

Low

1052553

Q8IMJ2
Uncharacterized protein

1

0

High-throughput

0.265

Low

1052568

ARCH
Protein archease-like

1

0

High-throughput

0.265

Low

1052577

Q9VJ53
GEO11831p1

1

0

High-throughput

0.265

Low

1052580

Q9VMC0
Intraflagellar transport 52

1

0

High-throughput

0.265

Low

1052586

Q9VS81
Uncharacterized protein

1

0

High-throughput

0.265

Low

1052592

Q9VU21
Uncharacterized protein

1

0

High-throughput

0.265

Low

1052593

Q9VV38
Phenoloxidase-activating factor 2

1

0

High-throughput

0.265

Low

1052588

EXOC7
Exocyst complex component 7

1

0

High-throughput

0.238

Low

1052565

NOP10
H/ACA ribonucleoprotein complex subunit 3

1

0

High-throughput

0.232

Low

1052579

Q9VM14
dihydrolipoyllysine-residue acetyltransferase

1

0

High-throughput

0.232

Low

1052589

Q9VT38
GH03795p

1

0

High-throughput

0.232

Low


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Last updated: 11Aug2025