Protein: TT21B
Tetratricopeptide repeat protein 21B (TPR repeat protein 21B) (Intraflagellar transport 139 homolog)

Gene: TT21B, TTC21B
Organism: Homo sapiens
Interactions: 23
UniProt ID: Q7Z4L5

Gene Ontology (top 5):
GO:0003682 - chromatin binding
GO:0005737 - cytoplasm
GO:0005856 - cytoskeleton
GO:0005929 - cilium
GO:0006357 - regulation of transcription by RNA polymerase II

Download interactions: TXT   MITAB-2.5

Interaction Interactor Experiments Homologs Category Interaction
Score
Confidence

279406

TULP3
Tubby-related protein 3

6

2

Small-scale

0.730

High

1278515

IFT43
Intraflagellar transport protein 43 homolog

5

0

Small-scale

0.688

High

1278518

IF122
Intraflagellar transport protein 122 homolog

3

20

Small-scale

0.660

High

1278520

WDR35
WD repeat-containing protein 35

2

17

Small-scale

0.618

High

1122790

DOC2A
Double C2-like domain-containing protein alpha

3

1

High-throughput

0.609

High

1278510

WDR19
WD repeat-containing protein 19

2

20

Small-scale

0.601

High

1278516

IF140
Intraflagellar transport protein 140 homolog

2

13

Small-scale

0.601

High

1278509

TT21B
Tetratricopeptide repeat protein 21B

1

15

Small-scale

0.575

High

613383

VINC
Vinculin

1

3

High-throughput

0.536

High

909063

NEK4
Serine/threonine-protein kinase Nek4

1

9

High-throughput

0.536

High

686830

S10A4
Protein S100-A4

1

3

High-throughput

0.489

High

1278512

PRP31
U4/U6 small nuclear ribonucleoprotein Prp31

1

8

High-throughput

0.489

High

1278521

EIF3L
Eukaryotic translation initiation factor 3 subunit L

1

1

High-throughput

0.489

High

1194659

CCD40
Coiled-coil domain-containing protein 40

1

2

High-throughput

0.479

High

1278517

PKHA4
Pleckstrin homology domain-containing family A member 4

1

16

High-throughput

0.479

High

1278511

DNJB8
DnaJ homolog subfamily B member 8

1

14

High-throughput

0.445

High

1278513

ESR2
Estrogen receptor beta

1

20

High-throughput

0.445

High

1278514

VP33A
Vacuolar protein sorting-associated protein 33A

1

2

High-throughput

0.437

High

538776

GTR2
Solute carrier family 2, facilitated glucose transporter member 2

1

0

High-throughput

0.426

High

1010935

BAT1
b(0,+)-type amino acid transporter 1

1

3

High-throughput

0.407

High

1270835

SV2A
Synaptic vesicle glycoprotein 2A

1

1

High-throughput

0.407

High

1278519

SACA1
Sperm acrosome membrane-associated protein 1

3

0

High-throughput

0.347

High


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Last updated: 11Aug2025