Protein: OSTB
Dolichyl-diphosphooligosaccharide--protein glycosyltransferase subunit WBP1 (Oligosaccharyl transferase subunit WBP1) (Oligosaccharyl transferase subunit beta)

Gene: OSTB, WBP1
Organism: Saccharomyces cerevisiae S288C
Interactions: 99
UniProt ID: P33767

Gene Ontology (top 5):
GO:0005635 - nuclear envelope
GO:0005783 - endoplasmic reticulum
GO:0005789 - endoplasmic reticulum membrane
GO:0006487 - protein N-linked glycosylation
GO:0008250 - oligosaccharyltransferase complex

Download interactions: TXT   MITAB-2.5

Interaction Interactor Experiments Homologs Category Interaction
Score
Confidence

754632

OST1
Dolichyl-diphosphooligosaccharide--protein glycosyltransferase subunit 1

13

3

Small-scale

0.978

High

754622

STT3
Dolichyl-diphosphooligosaccharide--protein glycosyltransferase subunit STT3

11

2

Small-scale

0.971

High

754637

OST2
Dolichyl-diphosphooligosaccharide--protein glycosyltransferase subunit OST2

5

2

Small-scale

0.907

High

754653

OSTD
Dolichyl-diphosphooligosaccharide--protein glycosyltransferase subunit SWP1

11

0

Small-scale

0.727

High

754671

OST4
Dolichyl-diphosphooligosaccharide--protein glycosyltransferase subunit OST4

7

0

Small-scale

0.712

High

754655

OST6
Dolichyl-diphosphooligosaccharide--protein glycosyltransferase subunit OST6

5

4

Small-scale

0.710

High

754642

OST3
Dolichyl-diphosphooligosaccharide--protein glycosyltransferase subunit 3

5

4

Small-scale

0.705

High

748318

SC61A
Protein transport protein SEC61

4

2

Small-scale

0.694

High

754644

SC6B1
Protein transport protein SBH1

3

1

Small-scale

0.667

High

577084

SEC63
Protein translocation protein SEC63

3

2

Small-scale

0.658

High

754608

PMT1
Dolichyl-phosphate-mannose--protein mannosyltransferase 1

3

2

Small-scale

0.650

High

754670

OST5
Dolichyl-diphosphooligosaccharide--protein glycosyltransferase subunit OST5

4

0

Small-scale

0.649

High

754614

PHO88
SRP-independent targeting protein 3

3

0

High-throughput

0.630

High

754610

SC61G
Protein transport protein SSS1

2

0

Small-scale

0.619

High

754648

COPA
Coatomer subunit alpha

4

2

Small-scale

0.618

High

554329

HMDH1
3-hydroxy-3-methylglutaryl-coenzyme A reductase 1

2

1

High-throughput

0.614

High

703801

LAC1
Ceramide synthase LAC1

2

1

High-throughput

0.614

High

754620

LAG1
Ceramide synthase LAG1

2

1

High-throughput

0.614

High

754627

ELO3
Fatty acid elongase 3

2

1

High-throughput

0.614

High

754663

ORM2
Protein ORM2

2

0

High-throughput

0.587

High

672788

ELO2
Fatty acid elongase 2

1

1

High-throughput

0.541

High

754611

YET1
Endoplasmic reticulum transmembrane protein 1

1

4

High-throughput

0.541

High

754615

MKAR
Very-long-chain 3-oxoacyl-CoA reductase

1

1

High-throughput

0.541

High

754624

ERP2
Protein ERP2

1

2

High-throughput

0.541

High

754647

ERV29
ER-derived vesicles protein ERV29

1

1

High-throughput

0.541

High

754650

TMEDA
Endoplasmic reticulum vesicle protein 25

1

2

High-throughput

0.541

High

754659

SWF1
Palmitoyltransferase SWF1

1

1

High-throughput

0.541

High

754662

ERP1
Protein ERP1

1

2

High-throughput

0.541

High

754666

PFA4
Palmitoyltransferase PFA4

1

1

High-throughput

0.541

High

754669

ERP4
Protein ERP4

1

3

High-throughput

0.541

High

754633

COPB2
Coatomer subunit beta'

2

2

Small-scale

0.522

High

470065

PSS
CDP-diacylglycerol--serine O-phosphatidyltransferase

1

0

High-throughput

0.518

High

528571

CP51
Lanosterol 14-alpha demethylase CYP51

1

0

High-throughput

0.518

High

598502

ALG1
Chitobiosyldiphosphodolichol beta-mannosyltransferase

1

0

High-throughput

0.518

High

754617

CUE1
Coupling of ubiquitin conjugation to ER degradation protein 1

1

0

High-throughput

0.518

High

754619

MSC7
Putative aldehyde dehydrogenase-like protein YHR039C

1

0

High-throughput

0.518

High

754621

SUR2
Sphingolipid C4-hydroxylase SUR2

1

0

High-throughput

0.518

High

754628

ALG5
Dolichyl-phosphate beta-glucosyltransferase

1

0

High-throughput

0.518

High

754630

SNL1
HSP70 co-chaperone SNL1

1

0

High-throughput

0.518

High

754635

PHO86
Inorganic phosphate transporter PHO86

1

0

High-throughput

0.518

High

754636

GPI2
Phosphatidylinositol N-acetylglucosaminyltransferase GPI2 subunit

1

0

High-throughput

0.518

High

754641

STE24
CAAX prenyl protease 1

1

0

High-throughput

0.518

High

754652

SHR3
Secretory component protein SHR3

1

0

High-throughput

0.518

High

754660

GSF2
Glucose-signaling factor 2

1

0

High-throughput

0.518

High

661717

VAN1
Mannan polymerase I complex VAN1 subunit

1

0

High-throughput

0.513

High

665801

KPC1
Protein kinase C-like 1

1

1

Small-scale

0.504

High

754645

SC6B2
Protein transport protein SBH2

1

1

Small-scale

0.481

High

554412

HMDH2
3-hydroxy-3-methylglutaryl-coenzyme A reductase 2

1

1

High-throughput

0.479

High

677100

EMC1
ER membrane protein complex subunit 1

1

1

High-throughput

0.479

High

726072

PMT2
Dolichyl-phosphate-mannose--protein mannosyltransferase 2

1

2

High-throughput

0.479

High

737514

EUG1
Protein disulfide-isomerase EUG1

1

2

High-throughput

0.479

High

747675

MNS1
Endoplasmic reticulum mannosyl-oligosaccharide 1,2-alpha-mannosidase

1

2

High-throughput

0.479

High

754616

SSH1
Sec sixty-one protein homolog

1

2

High-throughput

0.479

High

754626

SCS2
Vesicle-associated membrane protein-associated protein SCS2

1

3

Small-scale

0.479

High

754638

PMT4
Dolichyl-phosphate-mannose--protein mannosyltransferase 4

1

2

High-throughput

0.479

High

754664

YET3
Endoplasmic reticulum transmembrane protein 3

1

4

High-throughput

0.479

High

754667

SPC3
Signal peptidase complex subunit 3

1

1

High-throughput

0.479

High

668894

ERG6
Sterol 24-C-methyltransferase ERG6

1

0

Small-scale

0.460

High

754607

OSTB
Dolichyl-diphosphooligosaccharide--protein glycosyltransferase subunit WBP1

1

0

Small-scale

0.460

High

438660

SC160
Protein SCP160

1

0

High-throughput

0.458

High

672146

ERG4
Delta(24(24(1)))-sterol reductase ERG4

1

0

High-throughput

0.458

High

677999

CWH43
Protein CWH43

1

0

High-throughput

0.458

High

735813

SAC1
Phosphatidylinositol-3-phosphatase SAC1

1

0

Small-scale

0.458

High

754382

SEC66
Translocation protein SEC66

1

0

High-throughput

0.458

High

754612

PSG1
PMA1 stabilization in the Golgi protein 1 [Cleaved into: PSG1-N'; PSG1-C']

1

0

High-throughput

0.458

High

754613

NU170
Nucleoporin NUP170

1

0

High-throughput

0.458

High

754639

MPS3
Spindle pole body assembly component MPS3

1

0

High-throughput

0.458

High

754640

EMC2
ER membrane protein complex subunit 2

1

0

High-throughput

0.458

High

754649

ALG9
Alpha-1,2-mannosyltransferase ALG9

1

0

High-throughput

0.458

High

754657

CUE4
CUE domain-containing protein CUE4

1

0

High-throughput

0.458

High

754661

SPC2
Signal peptidase complex subunit 2

1

0

High-throughput

0.458

High

754672

ENV10
SRP-independent targeting protein 2

1

0

High-throughput

0.458

High

510355

HSP77
Import motor subunit, mitochondrial

1

1

High-throughput

0.437

High

579137

HSC82
ATP-dependent molecular chaperone HSC82

1

2

High-throughput

0.437

High

670542

SIS1
Protein SIS1

1

1

High-throughput

0.437

High

746783

TIM23
Mitochondrial import inner membrane translocase subunit TIM23

1

1

High-throughput

0.437

High

754654

TOM1
E3 ubiquitin-protein ligase TOM1

1

1

High-throughput

0.437

High

675870

MAS5
Mitochondrial protein import protein MAS5

1

1

High-throughput

0.407

High

732122

COPG
Coatomer subunit gamma

1

0

Small-scale

0.391

High

754629

COPE
Coatomer subunit epsilon

2

0

Small-scale

0.288

High

745999

VATL2
V-type proton ATPase subunit c'

1

0

High-throughput

0.282

High

754651

PMP3
Plasma membrane proteolipid 3

1

0

High-throughput

0.282

High

754665

TPO1
Polyamine transporter 1

1

0

High-throughput

0.282

High

754668

YP011
Uncharacterized mitochondrial carrier YPR011C

1

0

High-throughput

0.282

High

382872

RMAR
Small ribosomal subunit protein uS3m

1

0

High-throughput

0.249

Low

558665

CAF20
Cap-associated protein CAF20

1

0

High-throughput

0.249

Low

706675

TF2B
Transcription initiation factor IIB

1

0

High-throughput

0.249

Low

709671

BMH1
Protein BMH1

1

0

High-throughput

0.249

Low

754609

YKK0
Probable intramembrane protease YKL100C

1

0

High-throughput

0.249

Low

754623

LAA1
AP-1 accessory protein LAA1

1

0

High-throughput

0.249

Low

754625

IF4F1
Eukaryotic initiation factor 4F subunit p150

1

0

High-throughput

0.249

Low

754631

DSN1
Kinetochore-associated protein DSN1

1

0

High-throughput

0.249

Low

754643

TOM22
Mitochondrial import receptor subunit TOM22

1

0

High-throughput

0.249

Low

754646

PESC
Pescadillo homolog

1

0

High-throughput

0.249

Low

754656

SCC2
Sister chromatid cohesion protein 2

1

0

High-throughput

0.249

Low

754658

DHR1
Probable ATP-dependent RNA helicase DHR1

1

0

High-throughput

0.249

Low

754618

KPR3
Ribose-phosphate pyrophosphokinase 3

1

0

High-throughput

0.232

Low

754634

COPD
Coatomer subunit delta

1

0

Small-scale

0.232

Low


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Last updated: 11Aug2025