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soluble starch synthase 1, chloroplastic/amyloplastic-like

Summary

Gene Symbol

LOC102600045

Organism

Solanum tuberosum (potato)

External Links

NCBI Gene: 102600045
KEGG Gene ID: sot:102600045
PubChem: 102600045

Annotation

Keyword

Amyloplast
Chloroplast
Glycosyltransferase
Reference proteome
Starch biosynthesis
Transit peptide

Proteins

Displaying **all 2** entries
UniProt	Protein Name
M1BLC3
P93568	Soluble starch synthase I

Annotation information from UniProt.

Gene Ontology (GO)

Displaying **all 3** entries
GO Term	Evidence Code	PMID
endosperm development
amylopectin biosynthetic process
starch biosynthetic process

GO Hierarchy

biological process

metabolic process [inference]

biosynthetic process [inference]

cellular biosynthetic process [inference]

macromolecule biosynthetic process [inference]

polysaccharide biosynthetic process [inference]

glucan biosynthetic process [inference]

starch biosynthetic process

amylopectin biosynthetic process

organic substance biosynthetic process [inference]

macromolecule biosynthetic process [inference]

polysaccharide biosynthetic process [inference]

glucan biosynthetic process [inference]

starch biosynthetic process

amylopectin biosynthetic process

carbohydrate biosynthetic process [inference]

polysaccharide biosynthetic process [inference]

glucan biosynthetic process [inference]

starch biosynthetic process

carbohydrate derivative biosynthetic process [inference]

amylopectin biosynthetic process

cellular metabolic process [inference]

cellular biosynthetic process [inference]

macromolecule biosynthetic process [inference]

polysaccharide biosynthetic process [inference]

glucan biosynthetic process [inference]

starch biosynthetic process

amylopectin biosynthetic process

primary metabolic process [inference]

carbohydrate metabolic process [inference]

polysaccharide metabolic process [inference]

polysaccharide biosynthetic process [inference]

glucan biosynthetic process [inference]

starch biosynthetic process

glucan metabolic process [inference]

starch metabolic process [inference]

starch biosynthetic process

glucan biosynthetic process [inference]

starch biosynthetic process

carbohydrate biosynthetic process [inference]

polysaccharide biosynthetic process [inference]

glucan biosynthetic process [inference]

starch biosynthetic process

organic substance metabolic process [inference]

carbohydrate metabolic process [inference]

polysaccharide metabolic process [inference]

polysaccharide biosynthetic process [inference]

glucan biosynthetic process [inference]

starch biosynthetic process

glucan metabolic process [inference]

starch metabolic process [inference]

starch biosynthetic process

glucan biosynthetic process [inference]

starch biosynthetic process

carbohydrate biosynthetic process [inference]

polysaccharide biosynthetic process [inference]

glucan biosynthetic process [inference]

starch biosynthetic process

macromolecule metabolic process [inference]

polysaccharide metabolic process [inference]

polysaccharide biosynthetic process [inference]

glucan biosynthetic process [inference]

starch biosynthetic process

glucan metabolic process [inference]

starch metabolic process [inference]

starch biosynthetic process

glucan biosynthetic process [inference]

starch biosynthetic process

macromolecule biosynthetic process [inference]

polysaccharide biosynthetic process [inference]

glucan biosynthetic process [inference]

starch biosynthetic process

amylopectin biosynthetic process

amylopectin metabolic process [inference]

amylopectin biosynthetic process

carbohydrate derivative metabolic process [inference]

carbohydrate derivative biosynthetic process [inference]

amylopectin biosynthetic process

amylopectin metabolic process [inference]

amylopectin biosynthetic process

organic substance biosynthetic process [inference]

macromolecule biosynthetic process [inference]

polysaccharide biosynthetic process [inference]

glucan biosynthetic process [inference]

starch biosynthetic process

amylopectin biosynthetic process

carbohydrate biosynthetic process [inference]

polysaccharide biosynthetic process [inference]

glucan biosynthetic process [inference]

starch biosynthetic process

carbohydrate derivative biosynthetic process [inference]

amylopectin biosynthetic process

cellular process [inference]

cellular metabolic process [inference]

cellular biosynthetic process [inference]

macromolecule biosynthetic process [inference]

polysaccharide biosynthetic process [inference]

glucan biosynthetic process [inference]

starch biosynthetic process

amylopectin biosynthetic process

reproductive process [inference]

developmental process involved in reproduction [inference]

endosperm development

developmental process [inference]

developmental process involved in reproduction [inference]

endosperm development

anatomical structure development [inference]

tissue development [inference]

endosperm development

Displaying **all 2** entries
GO Term	Evidence Code	PMID
amyloplast
chloroplast	IEA	30032202

GO Hierarchy

cellular component

cellular anatomical entity [inference]

organelle [inference]

membrane-bounded organelle [inference]

intracellular membrane-bounded organelle [inference]

plastid [inference]

intracellular organelle [inference]

intracellular membrane-bounded organelle [inference]

plastid [inference]

Displaying **all 2** entries
GO Term	Evidence Code	PMID
glycogen (starch) synthase activity	IEA	22301074
starch synthase activity

GO Hierarchy

molecular function

catalytic activity [inference]

transferase activity [inference]

glycosyltransferase activity [inference]

UDP-glycosyltransferase activity [inference]

UDP-glucosyltransferase activity [inference]

glycogen (starch) synthase activity

hexosyltransferase activity [inference]

glucosyltransferase activity [inference]

starch synthase activity

UDP-glucosyltransferase activity [inference]

glycogen (starch) synthase activity

Gene Ontology information from NCBI Gene and UniProt.

OrthoDB (Group)

Group level

Eukaryota

Group Name

starch synthase

Functional Category

G: Carbohydrate transport and metabolism
M: Cell wall/membrane/envelope biogenesis
T: Signal transduction mechanisms

Displaying 1 entry
Gene Ontology
transferase activity

Displaying 1 entry
InterPro
Glycosyl transferase, family 1

KEGG BRITE Database

Orthology

K00703

Name

starch synthase [EC:2.4.1.21]

References

1339262

Rhea

RHEA:18189

ADP-α-D-glucose

H⁺ + ADP

Enzyme

2.4.1.21

PMID

International Collaboration

GlyCosmos is a member of the GlySpace Alliance together with GlyGen and Glycomics@ExPASy.

Acknowledgements

Supported by JST NBDC Grant Number JPMJND2204

Partly supported by NIH Common Fund Grant #1U01GM125267-01

GlyCosmos Portal v4.2.1

Last updated: April 7, 2025

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