Protein: PII1
Protein involved in starch initiation 1 (Myosin heavy chain-related protein) (Myosin-resembling chloroplast protein)

Gene: PII1
Organism: Arabidopsis thaliana
Interactions: 42
UniProt ID: Q8H1E5

Gene Ontology (top 5):
GO:0009507 - chloroplast
GO:0010581 - regulation of starch biosynthetic process
GO:0019252 - starch biosynthetic process

Download interactions: TXT   MITAB-2.5

Interaction Interactor Experiments Homologs Category Interaction
Score
Confidence

1300763

SSY2
Starch synthase 2, chloroplastic/amyloplastic

1

0

High-throughput

0.518

High

1300764

TCP13
Transcription factor TCP13

1

0

High-throughput

0.518

High

1300768

RRP31
Small ribosomal subunit protein cS23z

1

0

High-throughput

0.518

High

199681

CYC1
Cytochrome c-1

1

1

High-throughput

0.494

High

1300211

MP705
Microtubule-associated protein 70-5

1

1

High-throughput

0.494

High

1300738

MP702
Microtubule-associated protein 70-2

1

18

High-throughput

0.494

High

1300740

BRE1A
E3 ubiquitin-protein ligase BRE1-like 1

1

18

High-throughput

0.494

High

1300746

FRL4B
FRIGIDA-like protein 4b

1

1

High-throughput

0.494

High

1300749

HS23M
23.6 kDa heat shock protein, mitochondrial

1

1

High-throughput

0.494

High

1300758

Q9LQ96
Polyphosphoinositide binding protein, putative

1

3

High-throughput

0.494

High

1300760

RS103
Small ribosomal subunit protein eS10x

1

5

High-throughput

0.494

High

1300761

FRL4A
FRIGIDA-like protein 4a

1

1

High-throughput

0.494

High

1300767

BLH1
BEL1-like homeodomain protein 1

1

3

High-throughput

0.494

High

70764

A8MRQ8
SBP

1

3

High-throughput

0.439

High

100693

F4ICH3
Regulator of Vps4 activity in the MVB pathway protein

1

1

High-throughput

0.439

High

236145

MYB51
Transcription factor MYB51

1

1

Small-scale

0.439

High

1300739

Q8LAM7
Uncharacterized protein

1

1

High-throughput

0.439

High

1300750

GCN5
Histone acetyltransferase GCN5

1

17

Small-scale

0.439

High

1300756

PSL4
Glucosidase 2 subunit beta

1

3

High-throughput

0.439

High

1300759

Q9LQQ6
F24B9.6

1

2

High-throughput

0.439

High

1300737

Q8L7G9
SBP

1

3

High-throughput

0.417

High

1300745

Q93ZQ9
AT1G07840 protein

1

2

High-throughput

0.417

High

1300747

Q94AF1
AT5g56360/MCD7_9

1

2

High-throughput

0.417

High

1300751

MPK18
Mitogen-activated protein kinase 18

1

3

High-throughput

0.417

High

1300752

Q9C5J5
Uncharacterized protein At1g19010

1

1

High-throughput

0.417

High

1300753

Q9C6L2
At1g25420/F2J7_16

1

1

High-throughput

0.417

High

1184493

TGA5
Transcription factor TGA5

1

0

High-throughput

0.282

High

1284167

TIF8
Protein TIFY 8

1

0

High-throughput

0.282

High

1299071

Q8GW24
At5g57910

1

0

High-throughput

0.282

High

1299347

SKI34
Protein SKIP34

1

0

High-throughput

0.282

High

1300736

Q8L7A6
Cotton fiber protein

1

0

High-throughput

0.282

High

1300741

Q8RY08
AT5g59210/mnc17_100

1

0

High-throughput

0.282

High

1300742

Q8RY09
AT3g08780/F17O14_25

1

0

High-throughput

0.282

High

1300743

Q8VY55
Bromodomain testis-specific protein

1

0

High-throughput

0.282

High

1300744

DGK3
Diacylglycerol kinase 3

1

0

High-throughput

0.282

High

1300748

PP372
Pentatricopeptide repeat-containing protein At5g09450, mitochondrial

1

0

High-throughput

0.282

High

1300754

Q9CAV2
AT3g04860/T9J14_19

1

0

High-throughput

0.282

High

1300757

Q9LMR2
At1g15720

1

0

High-throughput

0.282

High

1300765

Q9SA55
Pre-mRNA-splicing factor 18

1

0

High-throughput

0.282

High

1300755

MAN7
Mannan endo-1,4-beta-mannosidase 7

1

0

High-throughput

0.238

Low

1300762

UTP11
Probable U3 small nucleolar RNA-associated protein 11

1

0

High-throughput

0.238

Low

1300766

PSAD2
Photosystem I reaction center subunit II-2, chloroplastic

1

0

High-throughput

0.238

Low


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Last updated: 11Aug2025