Protein: PCY1A
Choline-phosphate cytidylyltransferase A (EC 2.7.7.15) (CCT-alpha) (CTP:phosphocholine cytidylyltransferase A) (CCT A) (CT A) (Phosphorylcholine transferase A)

Gene: PCY1A, PCYT1A
Organism: Homo sapiens
Interactions: 74
UniProt ID: P49585

Gene Ontology (top 5):
GO:0004105 - choline-phosphate cytidylyltransferase activity
GO:0005516 - calmodulin binding
GO:0005634 - nucleus
GO:0005635 - nuclear envelope
GO:0005783 - endoplasmic reticulum

Download interactions: TXT   MITAB-2.5

Interaction Interactor Experiments Homologs Category Interaction
Score
Confidence

884491

PCY1B
Choline-phosphate cytidylyltransferase B

4

5

High-throughput

0.890

High

884479

NMNA1
Nicotinamide/nicotinic acid mononucleotide adenylyltransferase 1

3

0

High-throughput

0.811

High

884437

PCY1A
Choline-phosphate cytidylyltransferase A

2

5

High-throughput

0.783

High

884464

VKORL
Vitamin K epoxide reductase complex subunit 1-like protein 1

4

1

High-throughput

0.689

High

884454

CE170
Centrosomal protein of 170 kDa

3

2

High-throughput

0.650

High

385553

LMNA
Prelamin-A/C [Cleaved into: Lamin-A/C

3

2

High-throughput

0.640

High

884460

MOB3C
MOB kinase activator 3C

2

1

High-throughput

0.606

High

884477

MOB1A
MOB kinase activator 1A

2

1

High-throughput

0.606

High

884472

IP6K3
Inositol hexakisphosphate kinase 3

2

0

High-throughput

0.602

High

140178

SDCB1
Syntenin-1

2

0

High-throughput

0.580

High

302429

RNF8
E3 ubiquitin-protein ligase RNF8

2

0

High-throughput

0.580

High

333307

SNAPN
SNARE-associated protein Snapin

2

0

High-throughput

0.580

High

568618

GYS1
Glycogen [starch] synthase, muscle

2

0

High-throughput

0.580

High

848225

MAGA3
Melanoma-associated antigen 3

2

0

High-throughput

0.580

High

884458

ATRAP
Type-1 angiotensin II receptor-associated protein

2

0

High-throughput

0.580

High

884492

FKBP7
Peptidyl-prolyl cis-trans isomerase FKBP7

2

0

High-throughput

0.580

High

884456

A16L1
Autophagy-related protein 16-1

1

0

High-throughput

0.546

High

884439

RBM11
Splicing regulator RBM11

1

1

High-throughput

0.541

High

663490

PRPH2
Peripherin-2

1

0

High-throughput

0.513

High

884441

LSM3
U6 snRNA-associated Sm-like protein LSm3

1

0

High-throughput

0.513

High

884450

RB3GP
Rab3 GTPase-activating protein catalytic subunit

1

0

High-throughput

0.513

High

884451

ACOX1
Peroxisomal acyl-coenzyme A oxidase 1

1

0

High-throughput

0.513

High

884468

CTCFL
Transcriptional repressor CTCFL

1

0

High-throughput

0.513

High

884470

SPTCS
Spatacsin

1

0

High-throughput

0.513

High

884483

MBNL1
Muscleblind-like protein 1

1

0

High-throughput

0.513

High

884490

MTMR6
Phosphatidylinositol-3,5-bisphosphate 3-phosphatase MTMR6

1

0

High-throughput

0.513

High

286627

STX11
Syntaxin-11

1

2

High-throughput

0.489

High

241074

PRKN
E3 ubiquitin-protein ligase parkin

1

1

High-throughput

0.479

High

580932

RAC2
Ras-related C3 botulinum toxin substrate 2

1

2

High-throughput

0.479

High

634352

LMNB1
Lamin-B1

1

2

High-throughput

0.479

High

883482

CENPA
Histone H3-like centromeric protein A

1

3

High-throughput

0.479

High

884440

CDC42
Cell division control protein 42 homolog

1

2

High-throughput

0.479

High

884443

RAC1
Ras-related C3 botulinum toxin substrate 1

1

2

High-throughput

0.479

High

884444

H31
Histone H3.1

1

3

High-throughput

0.479

High

884445

H33
Histone H3.3

1

3

High-throughput

0.479

High

884461

VRK3
Serine/threonine-protein kinase VRK3

1

2

High-throughput

0.479

High

884480

RHOF
Rho-related GTP-binding protein RhoF

1

3

High-throughput

0.479

High

884488

ZRAN1
Ubiquitin thioesterase ZRANB1

1

1

High-throughput

0.479

High

259618

BRD4
Bromodomain-containing protein 4

1

0

High-throughput

0.458

High

378477

IL1A
Interleukin-1 alpha

1

0

Small-scale

0.458

High

612937

EGR1
Early growth response protein 1

1

0

High-throughput

0.458

High

884442

H2B1C
Histone H2B type 1-C/E/F/G/I

1

0

High-throughput

0.458

High

884447

CACO2
Calcium-binding and coiled-coil domain-containing protein 2

1

0

High-throughput

0.458

High

884448

DYR1A
Dual specificity tyrosine-phosphorylation-regulated kinase 1A

1

0

High-throughput

0.458

High

884453

MIDN
Midnolin

1

0

High-throughput

0.458

High

884469

BAP1
Ubiquitin carboxyl-terminal hydrolase BAP1

1

0

High-throughput

0.458

High

884473

BARD1
BRCA1-associated RING domain protein 1

1

0

High-throughput

0.458

High

884484

PIHD1
PIH1 domain-containing protein 1

1

0

High-throughput

0.458

High

884485

TE2IP
Telomeric repeat-binding factor 2-interacting protein 1

1

0

High-throughput

0.458

High

884486

TLS1
Splicing factor C9orf78

1

0

High-throughput

0.458

High

884489

NUP50
Nuclear pore complex protein Nup50

1

0

High-throughput

0.458

High

884438

GDS1
Rap1 GTPase-GDP dissociation stimulator 1

1

1

High-throughput

0.445

High

884457

PKHA7
Pleckstrin homology domain-containing family A member 7

1

1

High-throughput

0.445

High

884467

BBS1
BBSome complex member BBS1

1

1

High-throughput

0.445

High

884459

TRI67
Tripartite motif-containing protein 67

1

2

High-throughput

0.437

High

884475

PKHA4
Pleckstrin homology domain-containing family A member 4

1

1

High-throughput

0.437

High

787482

GNL1
Guanine nucleotide-binding protein-like 1

1

0

High-throughput

0.426

High

884449

RRP1B
Ribosomal RNA processing protein 1 homolog B

1

0

High-throughput

0.426

High

884471

C170L
Cep170-like protein

1

2

High-throughput

0.407

High

884481

LRC4C
Leucine-rich repeat-containing protein 4C

1

1

High-throughput

0.407

High

884476

PACC1
Proton-activated chloride channel

2

0

High-throughput

0.328

High

884482

GPC5C
G-protein coupled receptor family C group 5 member C

2

0

High-throughput

0.328

High

178737

SCAM1
Secretory carrier-associated membrane protein 1

2

0

High-throughput

0.316

High

884487

TR10D
Tumor necrosis factor receptor superfamily member 10D

2

0

High-throughput

0.316

High

884452

LSM12
Protein LSM12

1

0

High-throughput

0.279

Low

884455

CP141
Cilia- and flagella-associated protein 141

1

0

High-throughput

0.279

Low

884462

FA20C
Extracellular serine/threonine protein kinase FAM20C

1

0

High-throughput

0.249

Low

884446

CACB1
Voltage-dependent L-type calcium channel subunit beta-1

1

0

High-throughput

0.232

Low

884463

S35F2
Solute carrier family 35 member F2

1

0

High-throughput

0.232

Low

884465

TMM75
Putative protein encoded by LINC02912

1

0

High-throughput

0.232

Low

884466

DIK2A
Divergent protein kinase domain 2A

1

0

Small-scale

0.232

Low

884474

S39A8
Metal cation symporter ZIP8

1

0

High-throughput

0.232

Low

884478

LRC40
Leucine-rich repeat-containing protein 40

1

0

High-throughput

0.232

Low


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Last updated: 11Aug2025