Protein: C1T9A
Complement C1q and tumor necrosis factor-related protein 9A (Complement C1q and tumor necrosis factor-related protein 9)

Gene: C1T9A, C1QTNF9
Organism: Homo sapiens
Interactions: 84
UniProt ID: P0C862

Gene Ontology (top 5):
GO:0005179 - hormone activity
GO:0005576 - extracellular region
GO:0005581 - collagen trimer
GO:0042802 - identical protein binding

Download interactions: TXT   MITAB-2.5

Interaction Interactor Experiments Homologs Category Interaction
Score
Confidence

73764

C1T9B
Complement C1q and tumor necrosis factor-related protein 9B

5

19

Small-scale

0.922

High

299858

C1QRF
C1q-related factor

4

19

High-throughput

0.892

High

384234

CO2A1
Collagen alpha-1(II) chain

3

20

High-throughput

0.861

High

505793

CO6A1

3

20

High-throughput

0.861

High

505794

CO6A2

3

20

High-throughput

0.861

High

505804

COIA1
Collagen alpha-1(XVIII) chain [Cleaved into: Endostatin; Non-collagenous domain 1

3

20

High-throughput

0.861

High

505822

COEA1
Collagen alpha-1(XIV) chain

3

20

High-throughput

0.861

High

505835

C1QL4
Complement C1q-like protein 4

2

19

High-throughput

0.776

High

505847

COCA1

2

20

High-throughput

0.776

High

505856

EMIL1
EMILIN-1

1

19

High-throughput

0.691

High

505789

C1T9A
Complement C1q and tumor necrosis factor-related protein 9A

1

18

Small-scale

0.665

High

505836

P3H3
Prolyl 3-hydroxylase 3

4

20

High-throughput

0.630

High

471574

CO4A2

1

20

High-throughput

0.618

High

505826

ADIPO
Adiponectin

1

18

Small-scale

0.618

High

505837

GT252
Procollagen galactosyltransferase 2

3

20

High-throughput

0.609

High

505809

MAP2
Methionine aminopeptidase 2

3

2

High-throughput

0.593

High

505792

COBA1

1

20

High-throughput

0.575

High

505839

TITIN
Titin

1

15

High-throughput

0.541

High

505808

GLYG
Glycogenin-1

1

0

High-throughput

0.518

High

505796

PVR
Poliovirus receptor

1

3

High-throughput

0.514

High

505807

UTRN
Utrophin

1

4

High-throughput

0.494

High

505811

MYOM1
Myomesin-1

1

6

High-throughput

0.494

High

505812

NP1L1
Nucleosome assembly protein 1-like 1

1

1

High-throughput

0.494

High

505816

ACTC
Actin, alpha cardiac muscle 1

1

1

High-throughput

0.494

High

505820

MYPC1
Myosin-binding protein C, slow-type

1

7

High-throughput

0.494

High

505821

DYST
Dystonin

1

3

High-throughput

0.494

High

505855

DP13A
DCC-interacting protein 13-alpha

1

3

High-throughput

0.494

High

505790

BIP
Endoplasmic reticulum chaperone BiP

1

6

High-throughput

0.489

High

144038

MA2B1
Lysosomal alpha-mannosidase

1

10

High-throughput

0.445

High

183216

LAMA5
Laminin subunit alpha-5

1

20

High-throughput

0.445

High

276990

ENTP6
Ectonucleoside triphosphate diphosphohydrolase 6

1

1

High-throughput

0.445

High

366528

TPA
Tissue-type plasminogen activator

1

2

High-throughput

0.445

High

424577

PAI1
Plasminogen activator inhibitor 1

1

4

High-throughput

0.445

High

505791

LAMC1
Laminin subunit gamma-1

1

19

High-throughput

0.445

High

505795

BMP1
Bone morphogenetic protein 1

1

10

High-throughput

0.445

High

505797

BGAL
Beta-galactosidase

1

1

High-throughput

0.445

High

505803

TIMP3
Metalloproteinase inhibitor 3

1

5

High-throughput

0.445

High

505813

LAMB2
Laminin subunit beta-2

1

16

High-throughput

0.445

High

505814

INHBE
Inhibin beta E chain

1

13

High-throughput

0.445

High

505815

ATS12
A disintegrin and metalloproteinase with thrombospondin motifs 12

1

6

High-throughput

0.445

High

505823

MFGM
Lactadherin

1

13

High-throughput

0.445

High

505824

DNJC3
DnaJ homolog subfamily C member 3

1

4

High-throughput

0.445

High

505825

LAMB3
Laminin subunit beta-3

1

16

High-throughput

0.445

High

505830

METRL
Meteorin-like protein

1

5

High-throughput

0.445

High

505842

GGH
Gamma-glutamyl hydrolase

1

2

High-throughput

0.445

High

505849

CHID1
Chitinase domain-containing protein 1

1

2

High-throughput

0.445

High

505857

TLL2
Tolloid-like protein 2

1

10

High-throughput

0.445

High

251849

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

1

20

High-throughput

0.407

High

253710

SRPX2
Sushi repeat-containing protein SRPX2

1

5

High-throughput

0.407

High

465375

IGF1R
Insulin-like growth factor 1 receptor

1

7

High-throughput

0.407

High

505801

L1CAM
Neural cell adhesion molecule L1

1

1

High-throughput

0.407

High

505810

PLXA3
Plexin-A3

1

5

High-throughput

0.407

High

505818

CNTP1
Contactin-associated protein 1

1

20

High-throughput

0.407

High

505819

SRPX
Sushi repeat-containing protein SRPX

1

6

High-throughput

0.407

High

505827

EXT1
Exostosin-1

1

2

High-throughput

0.407

High

505828

MA2A1
Alpha-mannosidase 2

1

10

High-throughput

0.407

High

505829

GT253
Inactive glycosyltransferase 25 family member 3

1

20

High-throughput

0.407

High

505831

DRS7B
Dehydrogenase/reductase SDR family member 7B

1

2

High-throughput

0.407

High

505832

MOXD1
DBH-like monooxygenase protein 1

1

2

High-throughput

0.407

High

505833

CHST3
Carbohydrate sulfotransferase 3

1

3

High-throughput

0.407

High

505838

GT251
Procollagen galactosyltransferase 1

1

20

High-throughput

0.407

High

505841

SC65
Endoplasmic reticulum protein SC65

1

20

High-throughput

0.407

High

505843

TTC17
Tetratricopeptide repeat protein 17

1

1

High-throughput

0.407

High

505844

CNT3B
Contactin-associated protein-like 3B

1

16

High-throughput

0.407

High

505845

DCBD2
Discoidin, CUB and LCCL domain-containing protein 2

1

20

High-throughput

0.407

High

505851

OFUT1
GDP-fucose protein O-fucosyltransferase 1

1

1

High-throughput

0.407

High

505852

UGGG2
UDP-glucose:glycoprotein glucosyltransferase 2

1

4

High-throughput

0.407

High

505853

PLXA1
Plexin-A1

1

7

High-throughput

0.407

High

505854

GNPTG
N-acetylglucosamine-1-phosphotransferase subunit gamma

1

4

High-throughput

0.407

High

249951

OGA
Protein O-GlcNAcase

3

0

High-throughput

0.347

High

505806

KPB1
Phosphorylase b kinase regulatory subunit alpha, skeletal muscle isoform

3

0

High-throughput

0.347

High

505846

TSNAX
Translin-associated protein X

3

0

High-throughput

0.347

High

505848

DHRS4
Dehydrogenase/reductase SDR family member 4

3

0

High-throughput

0.347

High

505798

CAN3
Calpain-3

1

0

High-throughput

0.282

High

505799

AMPD1
AMP deaminase 1

1

0

High-throughput

0.282

High

505800

NDUS1
NADH-ubiquinone oxidoreductase 75 kDa subunit, mitochondrial

1

0

High-throughput

0.282

High

505802

RADI
Radixin

1

0

High-throughput

0.282

High

505817

IF4G2
Eukaryotic translation initiation factor 4 gamma 2

1

0

High-throughput

0.282

High

505834

MYCPP
C-myc promoter-binding protein

1

0

High-throughput

0.282

High

505840

LAR4B
La-related protein 4B

1

0

High-throughput

0.282

High

505850

ZN407
Zinc finger protein 407

1

0

High-throughput

0.282

High

402318

GBA1
Lysosomal acid glucosylceramidase

1

0

High-throughput

0.232

Low

505805

PCP
Lysosomal Pro-X carboxypeptidase

1

0

High-throughput

0.232

Low


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Last updated: 11Aug2025