Protein: CO9A2
Collagen alpha-2(IX) chain

Gene: CO9A2, COL9A2
Organism: Homo sapiens
Interactions: 13
UniProt ID: Q14055

Gene Ontology (top 5):
GO:0001501 - skeletal system development
GO:0005576 - extracellular region
GO:0005594 - collagen type IX trimer
GO:0005615 - extracellular space
GO:0005788 - endoplasmic reticulum lumen

Download interactions: TXT   MITAB-2.5

Interaction Interactor Experiments Homologs Category Interaction
Score
Confidence

251891

PLOD3
Multifunctional procollagen lysine hydroxylase and glycosyltransferase LH3 [Includes: Procollagen-lysine,2-oxoglutarate 5-dioxygenase 3

2

20

High-throughput

0.601

High

1120088

UBQL2
Ubiquilin-2

2

4

High-throughput

0.553

High

1120089

UBQL1
Ubiquilin-1

2

4

High-throughput

0.553

High

1120085

GT252
Procollagen galactosyltransferase 2

1

20

High-throughput

0.536

High

410832

ERBB2
Receptor tyrosine-protein kinase erbB-2

2

6

High-throughput

0.526

High

928179

HAP1
Huntingtin-associated protein 1

1

1

High-throughput

0.494

High

1120084

Q6FHY5
MEOX2 protein

1

1

High-throughput

0.470

High

893857

MEOX2
Homeobox protein MOX-2

1

1

High-throughput

0.439

High

105909

APRIO
Alternative prion protein

1

7

High-throughput

0.437

High

869735

MTR1A
Melatonin receptor type 1A

1

0

High-throughput

0.282

High

1120086

NOA1
Nitric oxide-associated protein 1

1

0

High-throughput

0.282

High

1120087

FEZ1
Fasciculation and elongation protein zeta-1

1

0

High-throughput

0.282

High

766542

PHB1
Prohibitin 1

1

0

Small-scale

0.249

Low


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Last updated: 11Aug2025