Protein: HPCA1
Leucine-rich repeat receptor protein kinase HPCA1 (EC 2.7.11.1) (Protein HYDROGEN-PEROXIDE-INDUCED CALCIUM INCREASES 1)

Gene: HPCA1
Organism: Arabidopsis thaliana
Interactions: 52
UniProt ID: Q8GZ99

Gene Ontology (top 5):
GO:0000325 - plant-type vacuole
GO:0004675 - transmembrane receptor protein serine/threonine kinase activity
GO:0005524 - ATP binding
GO:0005886 - plasma membrane
GO:0009536 - plastid

Download interactions: TXT   MITAB-2.5

Interaction Interactor Experiments Homologs Category Interaction
Score
Confidence

89387

PAM74
Probable LRR receptor-like serine/threonine-protein kinase PAM74

1

20

High-throughput

0.698

High

1300323

Q9SVG8
Leucine-rich repeat protein kinase family protein

1

20

High-throughput

0.698

High

947519

CALM7
Calmodulin-7

1

16

High-throughput

0.692

High

1043043

CALM6
Calmodulin-6

1

16

High-throughput

0.692

High

88218

Y2278
Probable LRR receptor-like serine/threonine-protein kinase At2g02780

1

20

High-throughput

0.647

High

88673

GSO1
LRR receptor-like serine/threonine-protein kinase GSO1

1

20

High-throughput

0.647

High

88796

RGI3
LRR receptor-like serine/threonine-protein kinase RGI3

1

20

High-throughput

0.647

High

89214

Y5457
Probable LRR receptor-like serine/threonine-protein kinase At5g45780

1

19

High-throughput

0.647

High

668822

CML12
Calmodulin-like protein 12

1

20

High-throughput

0.647

High

1299427

Q8GX94
Leucine-rich repeat protein kinase family protein

1

20

High-throughput

0.647

High

1300300

Y5371
Probable LRR receptor-like serine/threonine-protein kinase At5g63710

1

20

High-throughput

0.647

High

1300310

PRK5
Pollen receptor-like kinase 5

1

20

High-throughput

0.647

High

1300313

RLK90
Probable inactive receptor kinase RLK902

1

20

High-throughput

0.647

High

1300316

Y3288
Probable inactive receptor kinase At3g02880

1

20

High-throughput

0.647

High

1300317

Y1680
Probable leucine-rich repeat receptor-like protein kinase At1g68400

1

20

High-throughput

0.647

High

1300318

Y1143
Probable LRR receptor-like serine/threonine-protein kinase At1g14390

1

20

High-throughput

0.647

High

1300320

Y1421
Putative inactive receptor-like protein kinase At1g64210

1

20

High-throughput

0.647

High

1300327

Q9XGZ2
Kinase family with leucine-rich repeat domain-containing protein

1

20

High-throughput

0.647

High

1300328

SERK2
Somatic embryogenesis receptor kinase 2

1

20

High-throughput

0.621

High

200270

CML8
Calmodulin-like protein 8

1

20

High-throughput

0.619

High

718265

CML10
Calmodulin-like protein 10

1

19

High-throughput

0.619

High

1300319

CML9
Calmodulin-like protein 9

1

20

High-throughput

0.619

High

1182958

KSG7
Shaggy-related protein kinase eta

1

9

High-throughput

0.618

High

515489

CALM4
Calmodulin-4

1

16

High-throughput

0.579

High

265341

IQD6
Protein IQ-DOMAIN 6

1

9

High-throughput

0.541

High

945411

ACBP6
Acyl-CoA-binding domain-containing protein 6

1

3

High-throughput

0.541

High

1300295

PPA3
Purple acid phosphatase 3

1

2

High-throughput

0.541

High

1300297

NHL6
NDR1/HIN1-like protein 6

1

15

High-throughput

0.541

High

1300299

Q8RYE2
Camphor resistance CrcB family protein

1

4

High-throughput

0.541

High

1300308

NHL3
NDR1/HIN1-like protein 3

1

15

High-throughput

0.541

High

1300311

UBC32
Ubiquitin-conjugating enzyme E2 32

1

16

High-throughput

0.541

High

1300321

UBC34
Ubiquitin-conjugating enzyme E2 34

1

15

High-throughput

0.541

High

1300322

NHL1
NDR1/HIN1-like protein 1

1

15

High-throughput

0.541

High

1300324

Q9SX96
BOS complex subunit TMEM147

1

7

High-throughput

0.541

High

1300326

Q9SZP6
AT4g38690/F20M13_250

1

1

High-throughput

0.541

High

1300307

GPC1
Glycerophosphocholine acyltransferase 1

1

0

High-throughput

0.518

High

1300309

Q9LPD5
SNARE associated Golgi protein family

1

0

High-throughput

0.518

High

1284398

HHP2
Heptahelical transmembrane protein 2

1

10

High-throughput

0.494

High

1300296

BETL2
Bet1-like protein At1g29060

1

10

High-throughput

0.494

High

1300301

SPCS1
Signal peptidase complex subunit 1

1

1

High-throughput

0.494

High

1300302

BET12
Bet1-like SNARE 1-2

1

10

High-throughput

0.494

High

1300303

Q9AST5
ER membrane protein complex subunit 6

1

2

High-throughput

0.494

High

1300304

CNIH1
Protein cornichon homolog 1

1

8

High-throughput

0.494

High

1300305

CP21D
Peptidyl-prolyl cis-trans isomerase CYP21-4

1

5

High-throughput

0.494

High

1300312

C71BJ
Cytochrome P450 71B19

1

1

High-throughput

0.494

High

1300314

Q9LYI4
Harpin-induced protein

1

15

High-throughput

0.494

High

1300325

HHP4
Heptahelical transmembrane protein 4

1

10

High-throughput

0.494

High

86103

B9DFB5
AT1G63110 protein

1

5

High-throughput

0.439

High

1300298

Q8LEC2
At4g30500

1

3

High-throughput

0.439

High

100057

F4I1Z0
GPI transamidase subunit PIG-U

1

5

High-throughput

0.417

High

1300315

Q9M0B0
Uncharacterized protein AT4g30500

1

3

High-throughput

0.417

High

1300306

FB277
Putative F-box protein At5g41500

1

0

High-throughput

0.282

High


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Last updated: 11Aug2025