Protein: TAF1B
TATA box-binding protein-associated factor RNA polymerase I subunit B (RNA polymerase I-specific TBP-associated factor 63 kDa) (TAFI63) (TATA box-binding protein-associated factor 1B) (TBP-associated factor 1B) (Transcription initiation factor SL1/TIF-IB subunit B)

Gene: TAF1B
Organism: Homo sapiens
Interactions: 85
UniProt ID: Q53T94

Gene Ontology (top 5):
GO:0001164 - RNA polymerase I core promoter sequence-specific DNA binding
GO:0001188 - RNA polymerase I preinitiation complex assembly
GO:0005634 - nucleus
GO:0005654 - nucleoplasm
GO:0005668 - RNA polymerase transcription factor SL1 complex

Download interactions: TXT   MITAB-2.5

Interaction Interactor Experiments Homologs Category Interaction
Score
Confidence

1150292

TAF1C
TATA box-binding protein-associated factor RNA polymerase I subunit C

6

1

Small-scale

0.730

High

1150332

TAF1A
TATA box-binding protein-associated factor RNA polymerase I subunit A

6

1

Small-scale

0.730

High

1200526

RRN3
RNA polymerase I-specific transcription initiation factor RRN3

1

1

Small-scale

0.724

High

628800

TBP
TATA-box-binding protein

4

1

Small-scale

0.702

High

1200523

TAF1D
TATA box-binding protein-associated factor RNA polymerase I subunit D

5

0

Small-scale

0.696

High

339988

RPA1
DNA-directed RNA polymerase I subunit RPA1

1

0

High-throughput

0.656

High

1200514

EAF1
ELL-associated factor 1

3

0

High-throughput

0.638

High

1200521

MK67I
MKI67 FHA domain-interacting nucleolar phosphoprotein

3

0

High-throughput

0.638

High

208274

RRP8
Ribosomal RNA-processing protein 8

2

0

High-throughput

0.602

High

904805

MECP2
Methyl-CpG-binding protein 2

2

0

High-throughput

0.602

High

1200512

TRI44
Tripartite motif-containing protein 44

2

0

High-throughput

0.602

High

1200519

ZNF2
Zinc finger protein 2

2

0

High-throughput

0.602

High

1200520

THAP7
THAP domain-containing protein 7

2

0

Small-scale

0.598

High

697905

CALR
Calreticulin

2

0

High-throughput

0.580

High

888525

ACADV
Very long-chain specific acyl-CoA dehydrogenase, mitochondrial

2

0

High-throughput

0.580

High

288666

NPM3
Nucleoplasmin-3

2

0

High-throughput

0.576

High

979772

H4
Histone H4

2

0

Small-scale

0.569

High

1162791

H2A2C
Histone H2A type 2-C

2

0

Small-scale

0.569

High

1162955

H2B2E
Histone H2B type 2-E

2

0

Small-scale

0.569

High

396250

ESR1
Estrogen receptor

1

3

Small-scale

0.561

High

998395

H31
Histone H3.1

1

2

Small-scale

0.561

High

287011

PRKRA
Interferon-inducible double-stranded RNA-dependent protein kinase activator A

1

2

High-throughput

0.536

High

1008757

RED1
Double-stranded RNA-specific editase 1

1

1

High-throughput

0.536

High

1200518

SRPK1
SRSF protein kinase 1

1

0

High-throughput

0.527

High

1200505

Q6FHY5
MEOX2 protein

1

1

High-throughput

0.515

High

191663

MAGB2
Melanoma-associated antigen B2

1

0

High-throughput

0.513

High

258917

DNJA2
DnaJ homolog subfamily A member 2

1

0

High-throughput

0.513

High

290587

SURF6
Surfeit locus protein 6

1

0

High-throughput

0.513

High

337474

PSMG1
Proteasome assembly chaperone 1

1

0

High-throughput

0.513

High

428798

RLA0
Large ribosomal subunit protein uL10

1

0

High-throughput

0.513

High

521726

H14
Histone H1.4

1

0

High-throughput

0.513

High

615816

RL17
Large ribosomal subunit protein uL22

1

0

High-throughput

0.513

High

625424

CSK22
Casein kinase II subunit alpha'

1

0

High-throughput

0.513

High

686198

RL13
Large ribosomal subunit protein eL13

1

0

High-throughput

0.513

High

785209

RL4
Large ribosomal subunit protein uL4

1

0

High-throughput

0.513

High

824178

RL13A
Large ribosomal subunit protein uL13

1

0

High-throughput

0.513

High

929322

OAZ1
Ornithine decarboxylase antizyme 1

1

0

High-throughput

0.513

High

960753

RL15
Large ribosomal subunit protein eL15

1

0

High-throughput

0.513

High

985197

RL10A
Large ribosomal subunit protein uL1

1

0

High-throughput

0.513

High

1145230

RNPS1
RNA-binding protein with serine-rich domain 1

1

0

High-throughput

0.513

High

1151125

OASL
2'-5'-oligoadenylate synthase-like protein

1

0

High-throughput

0.513

High

1178044

RN151
RING finger protein 151

1

0

High-throughput

0.513

High

1200508

ZN467
Zinc finger protein 467

1

0

High-throughput

0.513

High

1200510

ZCH10
Zinc finger CCHC domain-containing protein 10

1

0

High-throughput

0.513

High

1200513

NAF1
H/ACA ribonucleoprotein complex non-core subunit NAF1

1

0

High-throughput

0.513

High

1200515

ZC3HA
Zinc finger CCCH domain-containing protein 10

1

0

High-throughput

0.513

High

1200516

ZNF48
Zinc finger protein 48

1

0

High-throughput

0.513

High

1200524

ABC3C
DNA dC->dU-editing enzyme APOBEC-3C

1

0

High-throughput

0.513

High

1200525

RBM28
RNA-binding protein 28

1

0

High-throughput

0.513

High

1200527

ZBT47
Zinc finger and BTB domain-containing protein 47

1

0

High-throughput

0.513

High

1200528

PURG
Purine-rich element-binding protein gamma

1

0

High-throughput

0.513

High

1200531

RL36
Large ribosomal subunit protein eL36

1

0

High-throughput

0.513

High

442946

PRGR
Progesterone receptor

1

3

Small-scale

0.501

High

625828

RXRA
Retinoic acid receptor RXR-alpha

1

2

Small-scale

0.501

High

861638

NEDD4
E3 ubiquitin-protein ligase NEDD4

1

1

High-throughput

0.501

High

1200517

NED4L
E3 ubiquitin-protein ligase NEDD4-like

1

1

High-throughput

0.501

High

1029307

SET
Protein SET

1

0

Small-scale

0.493

High

893897

MEOX2
Homeobox protein MOX-2

1

1

High-throughput

0.481

High

413960

P53
Cellular tumor antigen p53

1

0

Small-scale

0.480

High

604679

UBF1
Nucleolar transcription factor 1

1

0

Small-scale

0.480

High

1161893

H31T
Histone H3.1t

1

2

Small-scale

0.479

High

1200507

H32
Histone H3.2

1

2

Small-scale

0.479

High

1200511

ESR2
Estrogen receptor beta

1

3

High-throughput

0.479

High

1067422

EP300
Histone acetyltransferase p300

1

0

Small-scale

0.460

High

372208

MYC
Myc proto-oncogene protein

1

0

High-throughput

0.458

High

400938

RAF1
RAF proto-oncogene serine/threonine-protein kinase

1

0

High-throughput

0.458

High

799183

BRCA1
Breast cancer type 1 susceptibility protein

1

0

Small-scale

0.458

High

810144

RL3
Large ribosomal subunit protein uL3

1

0

High-throughput

0.458

High

983829

RBX1
E3 ubiquitin-protein ligase RBX1

1

0

High-throughput

0.458

High

1109786

HDAC1
Histone deacetylase 1

1

0

Small-scale

0.458

High

1144363

NONO
Non-POU domain-containing octamer-binding protein

1

0

High-throughput

0.458

High

345908

STAU1
Double-stranded RNA-binding protein Staufen homolog 1

1

2

High-throughput

0.437

High

1200529

HECD1
E3 ubiquitin-protein ligase HECTD1

1

1

High-throughput

0.437

High

1200506

CAVN1
Caveolae-associated protein 1

1

0

High-throughput

0.426

High

422252

A4
Amyloid-beta precursor protein

2

0

High-throughput

0.314

High

1200522

SNAB
Beta-soluble NSF attachment protein

1

0

High-throughput

0.282

High

539605

PYGM
Glycogen phosphorylase, muscle form

1

0

High-throughput

0.279

Low

657249

KALM
Anosmin-1

1

0

High-throughput

0.279

Low

859853

RL28
Large ribosomal subunit protein eL28

1

0

High-throughput

0.279

Low

1007053

TCPB
T-complex protein 1 subunit beta

1

0

High-throughput

0.279

Low

1023942

EM55
55 kDa erythrocyte membrane protein

1

0

High-throughput

0.279

Low

1200509

URP2
Fermitin family homolog 3

1

0

High-throughput

0.279

Low

1200530

E41L3
Band 4.1-like protein 3

1

0

High-throughput

0.279

Low

784629

ATPG
ATP synthase F(1) complex subunit gamma, mitochondrial

1

0

High-throughput

0.249

Low

1200504

SL9A4
Sodium/hydrogen exchanger 4

1

0

High-throughput

0.232

Low


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Last updated: 11Aug2025