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MIRAGE

inositol-tetrakisphosphate 1-kinase

Summary

Gene Symbol

ITPK1

Organism

Ursus maritimus (polar bear)

External Links

NCBI Gene: 103673773
KEGG Gene ID: umr:103673773
PubChem: 103673773

Annotation

Keyword

ATP-binding
Isomerase
Kinase
Magnesium
Metal-binding
Reference proteome

Proteins

Displaying **all 4** entries
UniProt	Protein Name
A0A8M1H1N5	Inositol 1,3,4-trisphosphate 5/6-kinase
A0A384D1B1	Inositol 1,3,4-trisphosphate 5/6-kinase
A0A8M1GP07	Inositol 1,3,4-trisphosphate 5/6-kinase
A0A8M1GQS8

Annotation information from UniProt.

Gene Ontology (GO)

Displaying 1 entry
GO Term	Evidence Code	PMID
inositol trisphosphate metabolic process	IEA	30032202

GO Hierarchy

biological process

metabolic process [inference]

cellular metabolic process [inference]

phosphorus metabolic process [inference]

phosphate-containing compound metabolic process [inference]

inositol phosphate metabolic process [inference]

inositol trisphosphate metabolic process

organophosphate metabolic process [inference]

inositol phosphate metabolic process [inference]

inositol trisphosphate metabolic process

small molecule metabolic process [inference]

alcohol metabolic process [inference]

polyol metabolic process [inference]

inositol phosphate metabolic process [inference]

inositol trisphosphate metabolic process

organic substance metabolic process [inference]

organophosphate metabolic process [inference]

inositol phosphate metabolic process [inference]

inositol trisphosphate metabolic process

organic hydroxy compound metabolic process [inference]

alcohol metabolic process [inference]

polyol metabolic process [inference]

inositol phosphate metabolic process [inference]

inositol trisphosphate metabolic process

cellular process [inference]

cellular metabolic process [inference]

phosphorus metabolic process [inference]

phosphate-containing compound metabolic process [inference]

inositol phosphate metabolic process [inference]

inositol trisphosphate metabolic process

organophosphate metabolic process [inference]

inositol phosphate metabolic process [inference]

inositol trisphosphate metabolic process

Displaying 1 entry
GO Term	Evidence Code	PMID
cytoplasm	IEA	30032202

GO Hierarchy

cellular component

cellular anatomical entity [inference]

cytoplasm

Displaying **all 5** entries
GO Term	Evidence Code	PMID
magnesium ion binding	IEA	30032202
ATP binding	IEA	22301074 30032202
inositol tetrakisphosphate 1-kinase activity	IEA	30032202
inositol-1,3,4-trisphosphate 6-kinase activity	IEA	30032202
inositol-1,3,4-trisphosphate 5-kinase activity	IEA	30032202

GO Hierarchy

molecular function

catalytic activity [inference]

transferase activity [inference]

transferase activity, transferring phosphorus-containing groups [inference]

kinase activity [inference]

inositol tetrakisphosphate kinase activity [inference]

inositol tetrakisphosphate 1-kinase activity

inositol trisphosphate kinase activity [inference]

phosphotransferase activity, alcohol group as acceptor [inference]

inositol tetrakisphosphate kinase activity [inference]

inositol tetrakisphosphate 1-kinase activity

inositol trisphosphate kinase activity [inference]

binding [inference]

small molecule binding [inference]

heterocyclic compound binding [inference]

nucleotide binding [inference]

purine nucleotide binding [inference]

adenyl nucleotide binding [inference]

adenyl ribonucleotide binding [inference]

ATP binding

purine ribonucleotide binding [inference]

adenyl ribonucleotide binding [inference]

ATP binding

ribonucleotide binding [inference]

purine ribonucleotide binding [inference]

adenyl ribonucleotide binding [inference]

ATP binding

ion binding [inference]

anion binding [inference]

purine ribonucleoside triphosphate binding [inference]

ATP binding

cation binding [inference]

metal ion binding [inference]

magnesium ion binding

organic cyclic compound binding [inference]

nucleoside phosphate binding [inference]

nucleotide binding [inference]

purine nucleotide binding [inference]

adenyl nucleotide binding [inference]

adenyl ribonucleotide binding [inference]

ATP binding

purine ribonucleotide binding [inference]

adenyl ribonucleotide binding [inference]

ATP binding

ribonucleotide binding [inference]

purine ribonucleotide binding [inference]

adenyl ribonucleotide binding [inference]

ATP binding

purine ribonucleoside triphosphate binding [inference]

ATP binding

carbohydrate derivative binding [inference]

ribonucleotide binding [inference]

purine ribonucleotide binding [inference]

adenyl ribonucleotide binding [inference]

ATP binding

Gene Ontology information from NCBI Gene and UniProt.

KEGG BRITE Database

Orthology

K00913

Name

inositol-1,3,4-trisphosphate 5/6-kinase / inositol-tetrakisphosphate 1-kinase [EC:2.7.1.159 2.7.1.134]

References

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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

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Last updated: April 6, 2026