Protein: PIGB
GPI alpha-1,2-mannosyltransferase 3 (EC 2.4.1.-) (GPI mannosyltransferase III) (GPI-MT-III) (Phosphatidylinositol-glycan biosynthesis class B protein) (PIG-B)

Gene: PIGB
Organism: Homo sapiens
Interactions: 20
UniProt ID: Q92521

Gene Ontology (top 5):
GO:0000026 - alpha-1,2-mannosyltransferase activity
GO:0004376 - GPI mannosyltransferase activity
GO:0005789 - endoplasmic reticulum membrane
GO:0006506 - GPI anchor biosynthetic process
GO:0016020 - membrane

Download interactions: TXT   MITAB-2.5

Interaction Interactor Experiments Homologs Category Interaction
Score
Confidence

1363586

SG196
Protein O-mannose kinase

3

0

High-throughput

0.638

High

1198733

MPPE1
Metallophosphoesterase 1

2

2

High-throughput

0.628

High

1363585

TECT2
Tectonic-2

3

3

High-throughput

0.604

High

624203

FUT1
Galactoside alpha-(1,2)-fucosyltransferase 1

2

0

High-throughput

0.602

High

851191

ACHA4
Neuronal acetylcholine receptor subunit alpha-4

2

6

High-throughput

0.601

High

1292690

TMPSC
Transmembrane protease serine 12

2

7

High-throughput

0.574

High

1363588

GGT7
Glutathione hydrolase 7

2

2

High-throughput

0.574

High

688708

NKG2D
NKG2-D type II integral membrane protein

1

3

High-throughput

0.536

High

723248

ACHB4
Neuronal acetylcholine receptor subunit beta-4

1

6

High-throughput

0.536

High

467563

4F2
Amino acid transporter heavy chain SLC3A2

1

0

High-throughput

0.513

High

688676

NKG2C
NKG2-C type II integral membrane protein

1

4

High-throughput

0.489

High

1254072

LRC55
Leucine-rich repeat-containing protein 55

1

1

High-throughput

0.489

High

1330493

LRC52
Leucine-rich repeat-containing protein 52

1

1

High-throughput

0.489

High

417636

RPN1
Dolichyl-diphosphooligosaccharide--protein glycosyltransferase subunit 1

1

1

High-throughput

0.479

High

170899

CLGN
Calmegin

1

2

High-throughput

0.445

High

1136475

FL2D
Pre-mRNA-splicing regulator WTAP

1

0

High-throughput

0.279

Low

1203753

TTMP
TPA-induced transmembrane protein

1

0

High-throughput

0.279

Low

1363587

CRLF2
Cytokine receptor-like factor 2

1

0

High-throughput

0.279

Low

331194

KI20A
Kinesin-like protein KIF20A

1

0

High-throughput

0.249

Low

1180944

HFE
Hereditary hemochromatosis protein

1

0

High-throughput

0.232

Low


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Last updated: 11Aug2025