Protein: PROL4
Proline-rich protein 4 (Lacrimal proline-rich protein) (Nasopharyngeal carcinoma-associated proline-rich protein 4)

Gene: PROL4, PRR4
Organism: Homo sapiens
Interactions: 65
UniProt ID: Q16378

Gene Ontology (top 5):
GO:0005615 - extracellular space
GO:0007601 - visual perception

Download interactions: TXT   MITAB-2.5

Interaction Interactor Experiments Homologs Category Interaction
Score
Confidence

1157289

HBM
Hemoglobin subunit mu

2

1

High-throughput

0.574

High

1157308

DDX31
ATP-dependent DNA helicase DDX31

2

1

High-throughput

0.574

High

1157314

UBQL2
Ubiquilin-2

2

1

High-throughput

0.553

High

1157316

UBQL1
Ubiquilin-1

2

1

High-throughput

0.553

High

1157313

DIC
Mitochondrial dicarboxylate carrier

2

1

High-throughput

0.533

High

485937

GIP
Gastric inhibitory polypeptide

1

0

High-throughput

0.513

High

1157298

LRC15
Leucine-rich repeat-containing protein 15

1

0

High-throughput

0.513

High

1157299

ITLN2
Intelectin-2

1

0

High-throughput

0.513

High

369348

A1AT
Alpha-1-antitrypsin

1

1

High-throughput

0.479

High

369461

AACT
Alpha-1-antichymotrypsin

1

1

High-throughput

0.479

High

999356

HBB
Hemoglobin subunit beta

1

1

High-throughput

0.479

High

361536

CERU
Ceruloplasmin

1

0

High-throughput

0.458

High

366175

HPT
Haptoglobin

1

0

High-throughput

0.458

High

387272

APOA1
Apolipoprotein A-I

1

0

High-throughput

0.458

High

387838

FIBB
Fibrinogen beta chain [Cleaved into: Fibrinopeptide B; Fibrinogen beta chain]

1

0

High-throughput

0.458

High

389656

A1AG1
Alpha-1-acid glycoprotein 1

1

0

High-throughput

0.458

High

390288

VTDB
Vitamin D-binding protein

1

0

High-throughput

0.458

High

390894

TRFE
Serotransferrin

1

0

High-throughput

0.458

High

391141

HEMO
Hemopexin

1

0

High-throughput

0.458

High

444990

S10A9
Protein S100-A9

1

0

High-throughput

0.458

High

533671

CLUS
Clusterin

1

0

High-throughput

0.458

High

671801

ZA2G
Zinc-alpha-2-glycoprotein

1

0

High-throughput

0.458

High

723922

LCN1
Lipocalin-1

1

0

High-throughput

0.458

High

1118040

DX39B
Spliceosome RNA helicase DDX39B

1

1

High-throughput

0.437

High

664926

CRHBP
Corticotropin-releasing factor-binding protein

1

0

High-throughput

0.426

High

76293

B4DLN1
Mitochondrial dicarboxylate carrier

1

1

High-throughput

0.407

High

1157304

SNX27
Sorting nexin-27

2

0

High-throughput

0.328

High

1157291

KCIP4
Kv channel-interacting protein 4

2

0

High-throughput

0.318

High

220377

LAT
Linker for activation of T-cells family member 1

2

0

High-throughput

0.316

High

224005

GET3
ATPase GET3

2

0

High-throughput

0.316

High

1157303

SGTB
Small glutamine-rich tetratricopeptide repeat-containing protein beta

2

0

High-throughput

0.316

High

1157310

MID51
Mitochondrial dynamics protein MIEF1

2

0

High-throughput

0.316

High

49396

DHR12
Dehydrogenase/reductase SDR family member 12

1

0

High-throughput

0.279

Low

67431

GOG8A
Golgin subfamily A member 8A

1

0

High-throughput

0.279

Low

335242

CXB5
Gap junction beta-5 protein

1

0

High-throughput

0.279

Low

355530

NSD2
Histone-lysine N-methyltransferase NSD2

1

0

High-throughput

0.279

Low

839022

PK3CA
Phosphatidylinositol 4,5-bisphosphate 3-kinase catalytic subunit alpha isoform

1

0

High-throughput

0.279

Low

1011803

RT05
Small ribosomal subunit protein uS5m

1

0

High-throughput

0.279

Low

1157287

T176B
Transmembrane protein 176B

1

0

High-throughput

0.279

Low

1157290

LRC8E
Volume-regulated anion channel subunit LRRC8E

1

0

High-throughput

0.279

Low

1157294

P3H3
Prolyl 3-hydroxylase 3

1

0

High-throughput

0.279

Low

1157295

AT11C
Phospholipid-transporting ATPase IG

1

0

High-throughput

0.279

Low

1157296

O13C3
Olfactory receptor 13C3

1

0

High-throughput

0.279

Low

1157301

PMEPA
Protein TMEPAI

1

0

High-throughput

0.279

Low

1157306

USB1
U6 snRNA phosphodiesterase 1

1

0

High-throughput

0.279

Low

1157309

COE2
Transcription factor COE2

1

0

High-throughput

0.279

Low

1157311

FKB14
Peptidyl-prolyl cis-trans isomerase FKBP14

1

0

High-throughput

0.279

Low

1157315

GBG8
Guanine nucleotide-binding protein G(I)/G(S)/G(O) subunit gamma-8

1

0

High-throughput

0.279

Low

141507

DDX3X
ATP-dependent RNA helicase DDX3X

1

0

Small-scale

0.249

Low

391736

STAT
Statherin

1

0

High-throughput

0.249

Low

914266

EFNA4
Ephrin-A4

1

0

High-throughput

0.249

Low

1157292

ZN598
E3 ubiquitin-protein ligase ZNF598

1

0

High-throughput

0.249

Low

1157312

B3GN2
N-acetyllactosaminide beta-1,3-N-acetylglucosaminyltransferase 2

1

0

High-throughput

0.249

Low

1157317

NINL
Ninein-like protein

1

0

High-throughput

0.249

Low

1157297

MUC7
Mucin-7

1

0

Small-scale

0.238

Low

192820

RPB4
DNA-directed RNA polymerase II subunit RPB4

1

0

High-throughput

0.232

Low

261179

NSMA
Sphingomyelin phosphodiesterase 2

1

0

High-throughput

0.232

Low

985187

RL10A
Large ribosomal subunit protein uL1

1

0

High-throughput

0.232

Low

1157288

CL12A
C-type lectin domain family 12 member A

1

0

High-throughput

0.232

Low

1157293

ZC3C1
Zinc finger C3HC-type protein 1

1

0

High-throughput

0.232

Low

1157300

SMCE1
SWI/SNF-related matrix-associated actin-dependent regulator of chromatin subfamily E member 1

1

0

High-throughput

0.232

Low

1157302

FBX17
F-box only protein 17

1

0

High-throughput

0.232

Low

1157305

EGFL8
Epidermal growth factor-like protein 8

1

0

High-throughput

0.232

Low

1157307

UBXN6
UBX domain-containing protein 6

1

0

High-throughput

0.232

Low

1157318

PRG3
Proteoglycan 3

1

0

High-throughput

0.232

Low


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Last updated: 11Aug2025