Protein: C3AR
C3a anaphylatoxin chemotactic receptor (C3AR) (C3a-R)

Gene: C3AR, C3AR1
Organism: Homo sapiens
Interactions: 98
UniProt ID: Q16581

Gene Ontology (top 5):
GO:0002430 - complement receptor mediated signaling pathway
GO:0004876 - complement component C3a receptor activity
GO:0004878 - complement component C5a receptor activity
GO:0004930 - G protein-coupled receptor activity
GO:0005886 - plasma membrane

Download interactions: TXT   MITAB-2.5

Interaction Interactor Experiments Homologs Category Interaction
Score
Confidence

1159091

LPAR1
Lysophosphatidic acid receptor 1

2

20

High-throughput

0.811

High

65347

TCAF2
TRPM8 channel-associated factor 2

2

2

High-throughput

0.628

High

256038

S19A2
Thiamine transporter 1

2

8

High-throughput

0.628

High

270644

ATP9A
Probable phospholipid-transporting ATPase IIA

2

6

High-throughput

0.628

High

296917

DGAT1
Diacylglycerol O-acyltransferase 1

2

4

High-throughput

0.628

High

320453

TM63A
Mechanosensitive cation channel TMEM63A

2

5

High-throughput

0.628

High

349424

TSN15
Tetraspanin-15

2

20

High-throughput

0.628

High

607593

PTN2
Tyrosine-protein phosphatase non-receptor type 2

2

12

High-throughput

0.628

High

661272

AT2B4
Plasma membrane calcium-transporting ATPase 4

2

20

High-throughput

0.628

High

719925

HMOX2
Heme oxygenase 2

2

5

High-throughput

0.628

High

912674

CTR2
Cationic amino acid transporter 2

2

13

High-throughput

0.628

High

1047219

ATP7A
Copper-transporting ATPase 1

2

17

High-throughput

0.628

High

1154038

MSMO1
Methylsterol monooxygenase 1

2

9

High-throughput

0.628

High

1159064

AT2B3
Plasma membrane calcium-transporting ATPase 3

2

20

High-throughput

0.628

High

1159068

LTMD1
LETM1 domain-containing protein 1

2

2

High-throughput

0.628

High

1159070

CERS6
Ceramide synthase 6

2

20

High-throughput

0.628

High

1159075

ZDH21
Palmitoyltransferase ZDHHC21

2

6

High-throughput

0.628

High

1159080

MACOI
Macoilin

2

4

High-throughput

0.628

High

1159087

SPPL3
Signal peptide peptidase-like 3

2

3

High-throughput

0.628

High

1159092

EDA
Ectodysplasin-A

2

4

High-throughput

0.628

High

1159103

NDC1
Nucleoporin NDC1

2

4

High-throughput

0.628

High

1159104

YIPF3
Protein YIPF3

2

11

High-throughput

0.628

High

1159109

AGRL3
Adhesion G protein-coupled receptor L3

2

14

High-throughput

0.628

High

1159111

VEZA
Vezatin

2

3

High-throughput

0.628

High

1159120

S39A1
Zinc transporter ZIP1

2

14

High-throughput

0.628

High

49649

T120B
Transmembrane protein 120B

2

3

High-throughput

0.574

High

223621

NDUB5
NADH dehydrogenase [ubiquinone] 1 beta subcomplex subunit 5, mitochondrial

2

1

High-throughput

0.574

High

228081

PM34
Peroxisomal membrane protein PMP34

2

13

High-throughput

0.574

High

230905

ORC5
Origin recognition complex subunit 5

2

3

High-throughput

0.574

High

295917

SC5D
Lathosterol oxidase

2

9

High-throughput

0.574

High

327276

ZFPL1
Zinc finger protein-like 1

2

1

High-throughput

0.574

High

611145

PTN1
Tyrosine-protein phosphatase non-receptor type 1

2

13

High-throughput

0.574

High

665605

AT5F1
ATP synthase peripheral stalk subunit b, mitochondrial

2

4

High-throughput

0.574

High

956311

RAB2A
Ras-related protein Rab-2A

2

3

High-throughput

0.574

High

1027016

REEP5
Receptor expression-enhancing protein 5

2

7

High-throughput

0.574

High

1159067

MBOA5
Lysophospholipid acyltransferase 5

2

9

High-throughput

0.574

High

1159069

HACD2
Very-long-chain

2

4

High-throughput

0.574

High

1159071

TMPPE
Transmembrane protein with metallophosphoesterase domain

2

2

High-throughput

0.574

High

1159072

UB2Q1
Ubiquitin-conjugating enzyme E2 Q1

2

1

High-throughput

0.574

High

1159073

ZDH13
Palmitoyltransferase ZDHHC13

2

7

High-throughput

0.574

High

1159074

ZDH17
Palmitoyltransferase ZDHHC17

2

8

High-throughput

0.574

High

1159077

S35F2
Solute carrier family 35 member F2

2

8

High-throughput

0.574

High

1159079

CERS5
Ceramide synthase 5

2

20

High-throughput

0.574

High

1159081

FITM2
Acyl-coenzyme A diphosphatase FITM2

2

4

High-throughput

0.574

High

1159082

F241A
Uncharacterized protein FAM241A

2

2

High-throughput

0.574

High

1159085

MFSD8
Major facilitator superfamily domain-containing protein 8

2

8

High-throughput

0.574

High

1159086

GOGA5
Golgin subfamily A member 5

2

7

High-throughput

0.574

High

1159088

NAT14
Probable N-acetyltransferase 14

2

2

High-throughput

0.574

High

1159089

S35F5
Solute carrier family 35 member F5

2

8

High-throughput

0.574

High

1159093

PEX13
Peroxisomal membrane protein PEX13

2

5

High-throughput

0.574

High

1159096

CERS2
Ceramide synthase 2

2

20

High-throughput

0.574

High

1159098

TLCD4
TLC domain-containing protein 4

2

2

High-throughput

0.574

High

1159102

ECSIT
Evolutionarily conserved signaling intermediate in Toll pathway, mitochondrial

2

3

High-throughput

0.574

High

1159105

ARV1
Protein ARV1

2

1

High-throughput

0.574

High

1159107

ZDHC6
Palmitoyltransferase ZDHHC6

2

6

High-throughput

0.574

High

1159110

RDH14
Retinol dehydrogenase 14

2

2

High-throughput

0.574

High

1159114

PLCD
1-acyl-sn-glycerol-3-phosphate acyltransferase delta

2

9

High-throughput

0.574

High

1159115

HELLS
Lymphoid-specific helicase

2

3

High-throughput

0.574

High

1159118

TM160
Transmembrane protein 160

2

1

High-throughput

0.574

High

1159119

ELOV2
Very long chain fatty acid elongase 2

2

9

High-throughput

0.574

High

1159121

B4GT7
Beta-1,4-galactosyltransferase 7

2

3

High-throughput

0.574

High

1159123

UBP22
Ubiquitin carboxyl-terminal hydrolase 22

2

2

High-throughput

0.574

High

1159124

CIA30
Complex I intermediate-associated protein 30, mitochondrial

2

1

High-throughput

0.574

High

1159125

SNX14
Sorting nexin-14

2

8

High-throughput

0.574

High

1159126

PEX16
Peroxisomal membrane protein PEX16

2

2

High-throughput

0.574

High

443804

ATPB
ATP synthase F(1) complex subunit beta, mitochondrial

1

7

High-throughput

0.536

High

827802

STAT3
Signal transducer and activator of transcription 3

1

5

High-throughput

0.536

High

1058434

CKAP4
Cytoskeleton-associated protein 4

1

6

High-throughput

0.536

High

1159076

LRC8A
Volume-regulated anion channel subunit LRRC8A

1

8

High-throughput

0.536

High

1159090

LMBR1
Limb region 1 protein homolog

1

3

High-throughput

0.536

High

1159095

S67A1
Solute carrier family 67 member A1

1

8

High-throughput

0.536

High

506600

GPHRB
Golgi pH regulator B

2

15

High-throughput

0.533

High

1104790

SNTA1
Alpha-1-syntrophin

1

20

Small-scale

0.527

High

333575

NDUC2
NADH dehydrogenase [ubiquinone] 1 subunit C2

1

0

High-throughput

0.513

High

85364

GPHRA
Golgi pH regulator A

2

15

High-throughput

0.504

High

67369

RTL8C
Retrotransposon Gag-like protein 8C

1

1

High-throughput

0.489

High

223725

NDUB3
NADH dehydrogenase [ubiquinone] 1 beta subcomplex subunit 3

1

3

High-throughput

0.489

High

397799

ATP8
ATP synthase F(0) complex subunit 8

1

3

High-throughput

0.489

High

814813

CUX1
Homeobox protein cut-like 1

1

6

High-throughput

0.489

High

1159065

HSDL1
Inactive hydroxysteroid dehydrogenase-like protein 1

1

5

High-throughput

0.489

High

1159084

UXS1
UDP-glucuronic acid decarboxylase 1

1

2

High-throughput

0.489

High

1159094

GLMN
Glomulin

1

3

High-throughput

0.489

High

1159099

MBOA7
Membrane-bound acylglycerophosphatidylinositol O-acyltransferase MBOAT7

1

9

High-throughput

0.489

High

1159101

CND3
Condensin complex subunit 3

1

2

High-throughput

0.489

High

1159108

ACAD9
Complex I assembly factor ACAD9, mitochondrial

1

6

High-throughput

0.489

High

1159112

ABCB9
ABC-type oligopeptide transporter ABCB9

1

7

High-throughput

0.489

High

1159116

UQCC1
Ubiquinol-cytochrome c reductase complex assembly factor 1

1

1

High-throughput

0.489

High

1159117

RMND1
Required for meiotic nuclear division protein 1 homolog

1

3

High-throughput

0.489

High

1159066

VMA21
Vacuolar ATPase assembly integral membrane protein VMA21

2

0

High-throughput

0.328

High

1159078

PLD6
Mitochondrial cardiolipin hydrolase

2

0

High-throughput

0.328

High

1159083

SCPDL
Saccharopine dehydrogenase-like oxidoreductase

2

0

High-throughput

0.328

High

1159097

DIESL
DGAT1/2-independent enzyme synthesizing storage lipids

2

0

High-throughput

0.328

High

1159100

VMA22
Vacuolar ATPase assembly protein VMA22

2

0

High-throughput

0.328

High

1159106

SG196
Protein O-mannose kinase

2

0

High-throughput

0.328

High

1159113

ST7
Suppressor of tumorigenicity 7 protein

2

0

High-throughput

0.328

High

183146

GNPAT
Dihydroxyacetone phosphate acyltransferase

1

0

High-throughput

0.279

Low

281821

NDUB1
NADH dehydrogenase [ubiquinone] 1 beta subcomplex subunit 1

1

0

High-throughput

0.279

Low

1159122

NDUAC
NADH dehydrogenase [ubiquinone] 1 alpha subcomplex subunit 12

1

0

High-throughput

0.279

Low


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Last updated: 11Aug2025