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Guidelines

MIRAGE

metabolism of cobalamin associated B

Summary

Gene Symbol

MMAB

Organism

Homo sapiens (human)

External Links

NCBI Gene

326625

PubChem

326625

Alliance of Genome Resources

HGNC:19331

JoGo

MMAB

TogoVar

MMAB

Annotation

Keyword

3D-structure
ATP-binding
Acetylation
Disease variant
Mitochondrion
Phosphoprotein
Proteomics identification
Reference proteome
Transferase
Transit peptide

Proteins

Displaying **all 2** entries
UniProt	Protein Name
B4DHP4	ATP:co(I)rrinoid adenosyltransferase MMAB
Q96EY8	ATP:co(I)rrinoid adenosyltransferase MMAB Methylmalonic aciduria type B protein

Annotation information from UniProt.

Gene Ontology (GO)

Displaying **all 2** entries
GO Term	Evidence Code	PMID
cobalamin metabolic process	TAS	28497574
cobalamin metabolic process	IDA	12514191

GO Hierarchy

biological process

metabolic process [inference]

nitrogen compound metabolic process [inference]

organonitrogen compound metabolic process [inference]

tetrapyrrole metabolic process [inference]

cobalamin metabolic process

cellular metabolic process [inference]

cellular aromatic compound metabolic process [inference]

tetrapyrrole metabolic process [inference]

cobalamin metabolic process

heterocycle metabolic process [inference]

tetrapyrrole metabolic process [inference]

cobalamin metabolic process

small molecule metabolic process [inference]

vitamin metabolic process [inference]

water-soluble vitamin metabolic process [inference]

cobalamin metabolic process

organic substance metabolic process [inference]

organic cyclic compound metabolic process [inference]

tetrapyrrole metabolic process [inference]

cobalamin metabolic process

organonitrogen compound metabolic process [inference]

tetrapyrrole metabolic process [inference]

cobalamin metabolic process

cellular process [inference]

cellular metabolic process [inference]

cellular aromatic compound metabolic process [inference]

tetrapyrrole metabolic process [inference]

cobalamin metabolic process

heterocycle metabolic process [inference]

tetrapyrrole metabolic process [inference]

cobalamin metabolic process

Displaying **all 2** entries
GO Term	Evidence Code	PMID
mitochondrion	HTP	34800366
mitochondrial matrix	TAS

GO Hierarchy

cellular component

cellular anatomical entity [inference]

membrane-enclosed lumen [inference]

organelle lumen [inference]

intracellular organelle lumen [inference]

mitochondrial matrix

organelle [inference]

membrane-bounded organelle [inference]

intracellular membrane-bounded organelle [inference]

mitochondrion

intracellular organelle [inference]

intracellular membrane-bounded organelle [inference]

mitochondrion

Displaying entries **1 - 5** of 8 in total

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2

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Last »
GO Term	Evidence Code	PMID
protein binding	IPI	25910212 32814053 33961781
ATP binding	IEA
corrinoid adenosyltransferase activity	EXP	15913339 30282455 33797888
corrinoid adenosyltransferase activity	TAS
corrinoid adenosyltransferase activity	IDA	12514191

GO Hierarchy

molecular function

catalytic activity [inference]

transferase activity [inference]

transferase activity, transferring alkyl or aryl (other than methyl) groups

corrinoid adenosyltransferase activity

binding [inference]

protein binding

small molecule binding [inference]

vitamin binding [inference]

cobalamin binding

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

cobalamin binding

ion binding [inference]

anion binding [inference]

purine ribonucleoside triphosphate binding [inference]

ATP binding

organic cyclic compound binding [inference]

tetrapyrrole binding [inference]

cobalamin binding

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.

Disease

Disease Ontology

Displaying **all 2** entries
DO ID	Disease Name	Source
DOID:0060743	methylmalonic acidemia cblB type	Alliance of Genome Resources
DOID:655	inherited metabolic disorder	Alliance of Genome Resources

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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