Protein: C1T9B
Complement C1q and tumor necrosis factor-related protein 9B (C1q/TNF-related protein 9B) (CTRP9B) (Complement C1q and tumor necrosis factor-related protein 9-like)

Gene: C1T9B, C1QTNF9B
Organism: Homo sapiens
Interactions: 131
UniProt ID: B2RNN3

Gene Ontology (top 5):
GO:0005576 - extracellular region
GO:0005581 - collagen trimer

Download interactions: TXT   MITAB-2.5

Interaction Interactor Experiments Homologs Category Interaction
Score
Confidence

73764

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

5

19

Small-scale

0.922

High

73847

COCA1

2

20

High-throughput

0.776

High

73758

CO2A1
Collagen alpha-1(II) chain

1

20

High-throughput

0.691

High

73769

CO6A1

1

20

High-throughput

0.691

High

73770

CO6A2

1

20

High-throughput

0.691

High

73781

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

1

20

High-throughput

0.691

High

73797

COEA1
Collagen alpha-1(XIV) chain

1

20

High-throughput

0.691

High

73819

SCAR3
Scavenger receptor class A member 3

1

19

High-throughput

0.691

High

73831

C1QL4
Complement C1q-like protein 4

1

19

High-throughput

0.691

High

73807

ADIPO
Adiponectin

1

18

Small-scale

0.618

High

73768

COBA1

1

20

High-throughput

0.575

High

73750

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

2

20

High-throughput

0.549

High

73784

MAP2
Methionine aminopeptidase 2

2

2

High-throughput

0.549

High

73791

INHBE
Inhibin beta E chain

2

13

High-throughput

0.549

High

73810

T132A
Transmembrane protein 132A

2

2

High-throughput

0.549

High

73823

PLGT2
Protein O-glucosyltransferase 2

2

4

High-throughput

0.549

High

73832

P3H3
Prolyl 3-hydroxylase 3

2

20

High-throughput

0.549

High

73840

SC65
Endoplasmic reticulum protein SC65

2

20

High-throughput

0.549

High

73852

SIL1
Nucleotide exchange factor SIL1

2

3

High-throughput

0.549

High

73760

GDN
Glia-derived nexin

1

4

High-throughput

0.536

High

73762

BGLR
Beta-glucuronidase

1

4

High-throughput

0.536

High

73766

FGFR1
Fibroblast growth factor receptor 1

1

4

High-throughput

0.536

High

73778

PCSK6
Proprotein convertase subtilisin/kexin type 6

1

9

High-throughput

0.536

High

73804

GAS6
Growth arrest-specific protein 6

1

14

High-throughput

0.536

High

73822

CSPG4
Chondroitin sulfate proteoglycan 4

1

18

High-throughput

0.536

High

73851

CNTP3
Contactin-associated protein-like 3

1

18

High-throughput

0.536

High

73814

ERFE
Erythroferrone

1

0

High-throughput

0.513

High

73747

PLOD2
Procollagen-lysine,2-oxoglutarate 5-dioxygenase 2

1

20

High-throughput

0.489

High

73753

CRTAP
Cartilage-associated protein

1

20

High-throughput

0.489

High

73755

GDF11
Growth/differentiation factor 11

1

13

High-throughput

0.489

High

73771

SRC
Proto-oncogene tyrosine-protein kinase Src

1

1

High-throughput

0.489

High

73782

MA2A2
Alpha-mannosidase 2x

1

10

High-throughput

0.489

High

73783

ERF
ETS domain-containing transcription factor ERF

1

1

High-throughput

0.489

High

73811

P3H1
Prolyl 3-hydroxylase 1

1

20

High-throughput

0.489

High

73813

TBB8
Tubulin beta-8 chain

1

2

High-throughput

0.489

High

73834

GT252
Procollagen galactosyltransferase 2

1

20

High-throughput

0.489

High

73836

GT251
Procollagen galactosyltransferase 1

1

20

High-throughput

0.489

High

73861

MRC2
C-type mannose receptor 2

1

20

High-throughput

0.489

High

73863

CATF
Cathepsin F

1

1

High-throughput

0.489

High

73864

CEIP2
Cell surface hyaluronidase CEMIP2

1

1

High-throughput

0.489

High

73866

PLXA1
Plexin-A1

1

7

High-throughput

0.489

High

73868

DD19B
ATP-dependent RNA helicase DDX19B

1

1

High-throughput

0.489

High

73870

MA2B2
Epididymis-specific alpha-mannosidase

1

10

High-throughput

0.489

High

73872

AGRG1
Adhesion G-protein coupled receptor G1

1

3

High-throughput

0.489

High

73744

QSOX1
Sulfhydryl oxidase 1

1

5

High-throughput

0.445

High

73746

AGRIN
Agrin [Cleaved into: Agrin N-terminal 110 kDa subunit; Agrin C-terminal 110 kDa subunit; Agrin C-terminal 90 kDa fragment

1

16

High-throughput

0.445

High

73749

B4GT4
Beta-1,4-galactosyltransferase 4

1

3

High-throughput

0.445

High

73752

ENTP6
Ectonucleoside triphosphate diphosphohydrolase 6

1

1

High-throughput

0.445

High

73757

CO3
Complement C3

1

1

High-throughput

0.445

High

73759

PAI1
Plasminogen activator inhibitor 1

1

4

High-throughput

0.445

High

73761

PROS
Vitamin K-dependent protein S

1

20

High-throughput

0.445

High

73763

INHBA
Inhibin beta A chain

1

13

High-throughput

0.445

High

73772

BMP1
Bone morphogenetic protein 1

1

12

High-throughput

0.445

High

73773

ENPL
Endoplasmin

1

2

High-throughput

0.445

High

73774

BGAL
Beta-galactosidase

1

1

High-throughput

0.445

High

73777

PTX3
Pentraxin-related protein PTX3

1

5

High-throughput

0.445

High

73780

TIMP3
Metalloproteinase inhibitor 3

1

6

High-throughput

0.445

High

73789

EPHB4
Ephrin type-B receptor 4

1

5

High-throughput

0.445

High

73790

LAMB2
Laminin subunit beta-2

1

16

High-throughput

0.445

High

73792

ATS12
A disintegrin and metalloproteinase with thrombospondin motifs 12

1

7

High-throughput

0.445

High

73795

PGBM
Basement membrane-specific heparan sulfate proteoglycan core protein

1

20

High-throughput

0.445

High

73798

MFGM
Lactadherin

1

13

High-throughput

0.445

High

73800

DNJC3
DnaJ homolog subfamily C member 3

1

4

High-throughput

0.445

High

73803

LAMB3
Laminin subunit beta-3

1

16

High-throughput

0.445

High

73841

GGH
Gamma-glutamyl hydrolase

1

2

High-throughput

0.445

High

73849

GDF15
Growth/differentiation factor 15

1

14

High-throughput

0.445

High

73857

IL1AP
Interleukin-1 receptor accessory protein

1

3

High-throughput

0.445

High

73871

HYOU1
Hypoxia up-regulated protein 1

1

2

High-throughput

0.445

High

73873

TLL2
Tolloid-like protein 2

1

12

High-throughput

0.445

High

73748

B4GT5
Beta-1,4-galactosyltransferase 5

1

3

High-throughput

0.407

High

73751

SRPX2
Sushi repeat-containing protein SRPX2

1

6

High-throughput

0.407

High

73754

ATRN
Attractin

1

20

High-throughput

0.407

High

73756

EGFR
Epidermal growth factor receptor

1

7

High-throughput

0.407

High

73765

BIP
Endoplasmic reticulum chaperone BiP

1

6

High-throughput

0.407

High

73775

BMP5
Bone morphogenetic protein 5

1

13

High-throughput

0.407

High

73793

CNTP1
Contactin-associated protein 1

1

20

High-throughput

0.407

High

73794

SRPX
Sushi repeat-containing protein SRPX

1

6

High-throughput

0.407

High

73796

ACHE
Acetylcholine receptor subunit epsilon

1

1

High-throughput

0.407

High

73799

MGT5A
Alpha-1,6-mannosylglycoprotein 6-beta-N-acetylglucosaminyltransferase A

1

1

High-throughput

0.407

High

73801

GPR17
Uracil nucleotide/cysteinyl leukotriene receptor

1

2

High-throughput

0.407

High

73802

OS9
Protein OS-9

1

1

High-throughput

0.407

High

73805

PDIA5
Protein disulfide-isomerase A5

1

6

High-throughput

0.407

High

73806

MBTP1
Membrane-bound transcription factor site-1 protease

1

3

High-throughput

0.407

High

73808

EXT1
Exostosin-1

1

2

High-throughput

0.407

High

73809

MA2A1
Alpha-mannosidase 2

1

10

High-throughput

0.407

High

73812

AL1L2
Mitochondrial 10-formyltetrahydrofolate dehydrogenase

1

4

High-throughput

0.407

High

73816

GT253
Inactive glycosyltransferase 25 family member 3

1

20

High-throughput

0.407

High

73817

LYPL1
Lysophospholipase-like protein 1

1

1

High-throughput

0.407

High

73818

METRL
Meteorin-like protein

1

5

High-throughput

0.407

High

73820

FAH2B
Oxaloacetate tautomerase FAHD2B, mitochondrial

1

1

High-throughput

0.407

High

73821

TXD11
Thioredoxin domain-containing protein 11

1

7

High-throughput

0.407

High

73824

B3GLT
Beta-1,3-glucosyltransferase

1

5

High-throughput

0.407

High

73825

CHSS3
Chondroitin sulfate synthase 3

1

5

High-throughput

0.407

High

73827

MEGF8
Multiple epidermal growth factor-like domains protein 8

1

20

High-throughput

0.407

High

73828

GALT7
N-acetylgalactosaminyltransferase 7

1

1

High-throughput

0.407

High

73835

WDTC1
WD and tetratricopeptide repeats protein 1

1

10

High-throughput

0.407

High

73837

PGLT1
Protein O-glucosyltransferase 1

1

4

High-throughput

0.407

High

73838

DNJA4
DnaJ homolog subfamily A member 4

1

1

High-throughput

0.407

High

73839

EDEM1
ER degradation-enhancing alpha-mannosidase-like protein 1

1

1

High-throughput

0.407

High

73842

TTC17
Tetratricopeptide repeat protein 17

1

1

High-throughput

0.407

High

73843

GMPPA
Mannose-1-phosphate guanylyltransferase regulatory subunit alpha

1

1

High-throughput

0.407

High

73844

CNT3B
Contactin-associated protein-like 3B

1

16

High-throughput

0.407

High

73845

DCBD2
Discoidin, CUB and LCCL domain-containing protein 2

1

20

High-throughput

0.407

High

73846

OSMR
Oncostatin-M-specific receptor subunit beta

1

3

High-throughput

0.407

High

73850

SYTM
Threonine--tRNA ligase, mitochondrial

1

2

High-throughput

0.407

High

73854

OFUT1
GDP-fucose protein O-fucosyltransferase 1

1

1

High-throughput

0.407

High

73856

RHOF
Rho-related GTP-binding protein RhoF

1

1

High-throughput

0.407

High

73858

C1GLT
Glycoprotein-N-acetylgalactosamine 3-beta-galactosyltransferase 1

1

5

High-throughput

0.407

High

73859

FKB14
Peptidyl-prolyl cis-trans isomerase FKBP14

1

5

High-throughput

0.407

High

73860

UGGG2
UDP-glucose:glycoprotein glucosyltransferase 2

1

4

High-throughput

0.407

High

73862

DNJB9
DnaJ homolog subfamily B member 9

1

3

High-throughput

0.407

High

73865

LCAP
Leucyl-cystinyl aminopeptidase

1

1

High-throughput

0.407

High

73869

XCT
Cystine/glutamate transporter

1

1

High-throughput

0.407

High

73745

RTCA
RNA 3'-terminal phosphate cyclase

1

0

High-throughput

0.279

Low

73767

PYC
Pyruvate carboxylase, mitochondrial

1

0

High-throughput

0.279

Low

73776

ADRO
NADPH:adrenodoxin oxidoreductase, mitochondrial

1

0

High-throughput

0.279

Low

73779

IDUA
Alpha-L-iduronidase

1

0

High-throughput

0.279

Low

73786

IRAK1
Interleukin-1 receptor-associated kinase 1

1

0

High-throughput

0.279

Low

73826

UBE3D
E3 ubiquitin-protein ligase E3D

1

0

High-throughput

0.279

Low

73829

OAF
Out at first protein homolog

1

0

High-throughput

0.279

Low

73848

CDC6
Cell division control protein 6 homolog

1

0

High-throughput

0.279

Low

73743

DNS2A
Deoxyribonuclease-2-alpha

1

0

High-throughput

0.232

Low

73785

IDH3G
Isocitrate dehydrogenase [NAD] subunit gamma, mitochondrial

1

0

High-throughput

0.232

Low

73787

NDST1
Bifunctional heparan sulfate N-deacetylase/N-sulfotransferase 1

1

0

High-throughput

0.232

Low

73788

CA2D1
Voltage-dependent calcium channel subunit alpha-2/delta-1

1

0

High-throughput

0.232

Low

73815

EOGT
EGF domain-specific O-linked N-acetylglucosamine transferase

1

0

High-throughput

0.232

Low

73830

ERO1B
ERO1-like protein beta

1

0

High-throughput

0.232

Low

73833

CI040
Uncharacterized protein C9orf40

1

0

High-throughput

0.232

Low

73853

CA198
Uncharacterized protein C1orf198

1

0

High-throughput

0.232

Low

73855

RISC
Retinoid-inducible serine carboxypeptidase

1

0

High-throughput

0.232

Low

73867

CCPG1
Cell cycle progression protein 1

1

0

High-throughput

0.232

Low


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Last updated: 11Aug2025