Protein: PGTB1
Geranylgeranyl transferase type-1 subunit beta (EC 2.5.1.59) (Geranylgeranyl transferase type I subunit beta) (GGTase-I-beta) (Type I protein geranyl-geranyltransferase subunit beta)

Gene: PGTB1, PGGT1B
Organism: Homo sapiens
Interactions: 16
UniProt ID: P53609

Gene Ontology (top 5):
GO:0004661 - protein geranylgeranyltransferase activity
GO:0004662 - CAAX-protein geranylgeranyltransferase activity
GO:0005953 - CAAX-protein geranylgeranyltransferase complex
GO:0008270 - zinc ion binding
GO:0018344 - protein geranylgeranylation

Download interactions: TXT   MITAB-2.5

Interaction Interactor Experiments Homologs Category Interaction
Score
Confidence

881645

FNTA
Protein farnesyltransferase/geranylgeranyltransferase type-1 subunit alpha

5

20

High-throughput

0.924

High

881694

FNTB
Protein farnesyltransferase subunit beta

1

2

High-throughput

0.618

High

921520

AKTIP
AKT-interacting protein

2

1

High-throughput

0.558

High

921514

CDC42
Cell division control protein 42 homolog

2

1

High-throughput

0.521

High

921519

RAB2B
Ras-related protein Rab-2B

1

3

High-throughput

0.489

High

921522

RAB20
Ras-related protein Rab-20

1

7

High-throughput

0.489

High

695010

RFA1
Replication protein A 70 kDa DNA-binding subunit

1

1

High-throughput

0.479

High

921517

TRI67
Tripartite motif-containing protein 67

1

3

High-throughput

0.479

High

623209

RO52
E3 ubiquitin-protein ligase TRIM21

1

0

High-throughput

0.458

High

651236

CBL
E3 ubiquitin-protein ligase CBL

1

0

High-throughput

0.458

High

921516

AMERL
AMMECR1-like protein

4

0

High-throughput

0.360

High

212760

SRGP3
SLIT-ROBO Rho GTPase-activating protein 3

3

0

High-throughput

0.347

High

921521

HEYL
Hairy/enhancer-of-split related with YRPW motif-like protein

3

0

High-throughput

0.347

High

921523

TSKS
Testis-specific serine kinase substrate

2

0

High-throughput

0.328

High

921515

RPAB2
DNA-directed RNA polymerases I, II, and III subunit RPABC2

1

0

High-throughput

0.249

Low

921518

RIOX2
Ribosomal oxygenase 2

1

0

High-throughput

0.249

Low


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Last updated: 11Aug2025