Protein: SYP21
Syntaxin-21 (AtSYP21) (PEP12 homolog) (AtPEP12) (aPEP12)

Gene: SYP21
Organism: Arabidopsis thaliana
Interactions: 55
UniProt ID: Q39233

Gene Ontology (top 5):
GO:0005484 - SNAP receptor activity
GO:0005770 - late endosome
GO:0006623 - protein targeting to vacuole
GO:0006896 - Golgi to vacuole transport
GO:0016020 - membrane

Download interactions: TXT   MITAB-2.5

Interaction Interactor Experiments Homologs Category Interaction
Score
Confidence

1184737

VTI11
Vesicle transport v-SNARE 11

3

20

Small-scale

0.855

High

1184736

SYP51
Syntaxin-51

2

20

Small-scale

0.789

High

1020585

SYP22
Syntaxin-22

1

20

High-throughput

0.691

High

235607

VA711
Vesicle-associated membrane protein 711

1

20

High-throughput

0.618

High

1184743

SNAA2
Alpha-soluble NSF attachment protein 2

1

20

High-throughput

0.618

High

1184720

SYP52
Syntaxin-52

1

20

Small-scale

0.618

High

1184734

EXPB3
Expansin-B3

1

5

High-throughput

0.536

High

1184738

Q9SI07
At2g04280

1

2

High-throughput

0.536

High

99714

F4HWC3
Calponin-like domain protein

1

7

High-throughput

0.489

High

100238

F4I420
Eukaryotic translation initiation factor 5B

1

3

High-throughput

0.489

High

103372

DEKP4
DEK domain-containing chromatin-associated protein 4

1

3

High-throughput

0.489

High

146961

NOP5A
Probable nucleolar protein 5-1

1

10

High-throughput

0.489

High

198713

PDI21
Protein disulfide-isomerase like 2-1

1

1

High-throughput

0.489

High

235768

CAMT4
Caffeoyl-CoA O-methyltransferase 1

1

1

High-throughput

0.489

High

235909

HMGB5
High mobility group B protein 5

1

7

High-throughput

0.489

High

307770

O82222
Expressed protein

1

5

High-throughput

0.489

High

724837

ADT1
ADP,ATP carrier protein 1, mitochondrial

1

4

High-throughput

0.489

High

852160

SSRA
Translocon-associated protein subunit alpha

1

1

High-throughput

0.489

High

856506

RL81
Large ribosomal subunit protein uL2z

1

6

High-throughput

0.489

High

920962

ACT12
Actin-12

1

6

High-throughput

0.489

High

1168466

VAP41
Vesicle-associated protein 4-1

1

20

High-throughput

0.489

High

1182523

FK151
Peptidyl-prolyl cis-trans isomerase FKBP15-1

1

4

High-throughput

0.489

High

1184711

IF2B
Eukaryotic translation initiation factor 2 subunit beta

1

5

High-throughput

0.489

High

1184712

NACA3
Nascent polypeptide-associated complex subunit alpha-like protein 3

1

2

High-throughput

0.489

High

1184713

RL51
Large ribosomal subunit protein uL18z

1

3

High-throughput

0.489

High

1184714

RS41
Small ribosomal subunit protein eS4z

1

5

High-throughput

0.489

High

1184715

RL171
Large ribosomal subunit protein uL22z

1

7

High-throughput

0.489

High

1184719

Q94AK8
Ribosome assembly factor mrt4

1

6

High-throughput

0.489

High

1184721

SH3P1
SH3 domain-containing protein 1

1

10

High-throughput

0.489

High

1184722

Q9C901
DNA-binding enhancer protein-like protein

1

2

High-throughput

0.489

High

1184724

FBRL1
rRNA 2'-O-methyltransferase fibrillarin 1

1

5

High-throughput

0.489

High

1184725

Q9FH46
Signal recognition particle subunit SRP68

1

1

High-throughput

0.489

High

1184726

NAA10
N-terminal acetyltransferase A complex catalytic subunit NAA10

1

2

High-throughput

0.489

High

1184728

HS704
Heat shock 70 kDa protein 4

1

1

High-throughput

0.489

High

1184729

LECT2
Lectin-like protein LEC

1

2

High-throughput

0.489

High

1184730

VCS
Enhancer of mRNA-decapping protein 4

1

3

High-throughput

0.489

High

1184731

RPF2
Ribosome production factor 2 homolog

1

2

High-throughput

0.489

High

1184732

RS91
Small ribosomal subunit protein uS4z

1

4

High-throughput

0.489

High

1184735

NOP5B
Probable nucleolar protein 5-2

1

10

High-throughput

0.489

High

1184739

WDL4
Protein WVD2-like 4

1

4

High-throughput

0.489

High

1184740

Q9SL96
Expressed protein

1

1

High-throughput

0.489

High

1184741

SRP09
Signal recognition particle 9 kDa protein

1

3

High-throughput

0.489

High

1184742

BTF3
Basic transcription factor 3

1

1

High-throughput

0.489

High

1184744

RS241
Small ribosomal subunit protein eS24z

1

8

High-throughput

0.489

High

1184745

RL312
Large ribosomal subunit protein eL31y

1

3

High-throughput

0.489

High

1184746

NACA4
Nascent polypeptide-associated complex subunit alpha-like protein 4

1

2

High-throughput

0.489

High

1184748

ANXD4
Annexin D4

1

5

High-throughput

0.489

High

1184718

NPS11
Novel plant SNARE 11

1

20

Small-scale

0.479

High

1184716

VCL1
Protein VACUOLELESS1

1

4

Small-scale

0.437

High

1184717

Q93W05
At1g10590/F20B24_1

1

1

High-throughput

0.437

High

1184747

Q9XIJ0
Nucleic acid-binding, OB-fold-like protein

1

1

High-throughput

0.407

High

146720

SRP14
Signal recognition particle 14 kDa protein

1

0

High-throughput

0.279

Low

1184723

Q9C9B5
At1g73940/F2P9_19

1

0

High-throughput

0.279

Low

1184727

DOT2
SART-1 family protein DOT2

1

0

High-throughput

0.279

Low

1184733

RL7A2
Large ribosomal subunit protein eL8y

1

0

High-throughput

0.279

Low


Service provided by Combinatics, Japan

Last updated: 11Aug2025