Protein: OCH1
Initiation-specific alpha-1,6-mannosyltransferase (EC 2.4.1.232) (Outer chain elongation protein 1)

Gene: OCH1
Organism: Saccharomyces cerevisiae S288C
Interactions: 40
UniProt ID: P31755

Gene Ontology (top 5):
GO:0000009 - alpha-1,6-mannosyltransferase activity
GO:0000136 - mannan polymerase complex
GO:0000137 - Golgi cis cisterna
GO:0005789 - endoplasmic reticulum membrane
GO:0006487 - protein N-linked glycosylation

Download interactions: TXT   MITAB-2.5

Interaction Interactor Experiments Homologs Category Interaction
Score
Confidence

728653

HOC1
Putative glycosyltransferase HOC1

1

1

High-throughput

0.618

High

636286

ACO1
Acyl-CoA desaturase 1

1

0

High-throughput

0.518

High

661711

VAN1
Mannan polymerase I complex VAN1 subunit

1

5

High-throughput

0.479

High

698165

KTR1
Alpha-1,2 mannosyltransferase KTR1

1

3

High-throughput

0.479

High

728633

GDA1
Guanosine-diphosphatase

1

2

High-throughput

0.479

High

728634

ANP1
Mannan polymerase II complex ANP1 subunit

1

5

High-throughput

0.479

High

728635

EMP24
Endosomal protein P24B

1

2

High-throughput

0.479

High

728638

KTR3
Probable mannosyltransferase KTR3

1

3

High-throughput

0.479

High

728640

MNN9
Mannan polymerase complexes subunit MNN9

1

5

High-throughput

0.479

High

728641

ERP2
Protein ERP2

1

3

High-throughput

0.479

High

728642

ERV46
ER-derived vesicles protein ERV46

1

3

High-throughput

0.479

High

728643

GMT1
GDP-mannose transporter 1

1

1

High-throughput

0.479

High

728646

EPS1
ER-retained PMA1-suppressing protein 1

1

1

High-throughput

0.479

High

728651

MNN11
Probable alpha-1,6-mannosyltransferase MNN11

1

3

High-throughput

0.479

High

728654

MNN10
Probable alpha-1,6-mannosyltransferase MNN10

1

3

High-throughput

0.479

High

728659

ERV41
ER-derived vesicles protein ERV41

1

3

High-throughput

0.479

High

728660

ERP1
Protein ERP1

1

2

High-throughput

0.479

High

592758

ERD1
Protein ERD1

1

0

Small-scale

0.458

High

728636

SMY2
Protein SMY2

1

0

High-throughput

0.458

High

728639

SVP26
Protein SVP26

1

0

Small-scale

0.458

High

728655

ERV29
ER-derived vesicles protein ERV29

1

0

High-throughput

0.458

High

728661

VPS74
Vacuolar protein sorting-associated protein 74

1

0

Small-scale

0.458

High

728664

ERV2
FAD-linked sulfhydryl oxidase ERV2

1

0

High-throughput

0.458

High

728648

COPB
Coatomer subunit beta

1

1

Small-scale

0.457

High

728649

COPB2
Coatomer subunit beta'

1

1

Small-scale

0.457

High

728650

COPD
Coatomer subunit delta

1

1

Small-scale

0.457

High

728656

COPA
Coatomer subunit alpha

1

1

Small-scale

0.457

High

564712

ATC1
Calcium-transporting ATPase 1

1

1

High-throughput

0.437

High

579009

HSC82
ATP-dependent molecular chaperone HSC82

1

1

High-throughput

0.437

High

706443

TF2B
Transcription initiation factor IIB

1

1

High-throughput

0.437

High

728637

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

1

1

High-throughput

0.437

High

728647

CDC1
Cell division control protein 1

1

1

High-throughput

0.437

High

728652

MOG1
Nuclear import protein MOG1

1

1

High-throughput

0.437

High

728658

TOM1
E3 ubiquitin-protein ligase TOM1

1

1

High-throughput

0.437

High

728663

RBD2
Rhomboid-type serine protease 2

1

1

High-throughput

0.437

High

728632

COPG
Coatomer subunit gamma

1

0

Small-scale

0.261

Low

728644

COPE
Coatomer subunit epsilon

1

0

Small-scale

0.261

Low

728645

SPO22
Sporulation-specific protein 22

1

0

Small-scale

0.249

Low

728657

HST2
NAD-dependent protein deacetylase HST2

1

0

High-throughput

0.249

Low

728662

VAM6
Vacuolar morphogenesis protein 6

1

0

High-throughput

0.249

Low


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Last updated: 11Aug2025