1. Genes and Genomic Entities
  2. MCCC1

MCCC1

methylcrotonoyl-CoA carboxylase 1
OMIM: 609010, Gene2Phenotype

7 panels

Panel Reviews Mode of inheritance Details
7 panels
Red MCCC1 in Hyperammonaemia

Level 3: Urea Cycle disorders
Level 2: Metabolic disorders
Version 1.22

review Not set
Sources
  • Emory Genetics Laboratory
Green MCCC1 in Undiagnosed metabolic disorders

Level 3: Specific metabolic abnormalities
Level 2: Metabolic disorders
Version 1.645

review BIALLELIC, autosomal or pseudoautosomal
Sources
  • Expert Review Green
  • Emory Genetics Laboratory
  • UKGTN
  • Radboud University Medical Center, Nijmegen
  • Illumina TruGenome Clinical Sequencing Services
  • Literature
Phenotypes
  • 3-Methylcrotonyl-CoA carboxylase 1 deficiency 210200
Green MCCC1 in Likely inborn error of metabolism


Level 2: Metabolic
Version 9.4
Latest signed off version: v9.0 (6 May 2026)

Component of the following Super Panels:

  • Childhood onset leukodystrophy
  • Hypotonic infant
  • Paediatric disorders
  • Unexplained death in infancy and sudden unexplained death in childhood

    		•  review BIALLELIC, autosomal or pseudoautosomal
    Sources
    • London North GLH
    • NHS GMS
    • Expert Review Green
    Phenotypes
    • 3-Methylcrotonyl-CoA carboxylase 1 deficiency, 210200
    Red MCCC1 in Fetal anomalies


    Level 2: Fetal (including NIPD)
    Version 7.7
    Latest signed off version: v7.0 (6 May 2026)

    		review BIALLELIC, autosomal or pseudoautosomal
    Sources
    • Expert Review Red
    • PAGE DD-Gene2Phenotype
    Phenotypes
    • 3-METHYLCROTONYL-COA CARBOXYLASE DEFICIENCY
    Green MCCC1 in DDG2P


    Version 7.1
    Latest signed off version: v7.0 (6 May 2026)

    Component of the following Super Panels:

  • Paediatric disorders

    		•  review BIALLELIC, autosomal or pseudoautosomal
    Sources
    • DD-Gene2Phenotype
    • Expert Review Green
    Phenotypes
    • 3-METHYLCROTONYL-COA CARBOXYLASE DEFICIENCY 210200
    Green MCCC1 in Intellectual disability


    Level 2: Developmental disorders
    Version 10.17
    Latest signed off version: v10.0 (6 May 2026)

    Component of the following Super Panels:

  • Childhood onset leukodystrophy
  • Hypotonic infant
  • Paediatric disorders

    		•  review BIALLELIC, autosomal or pseudoautosomal
    Sources
    • Victorian Clinical Genetics Services
    • Expert Review Green
    • Radboud University Medical Center, Nijmegen
    Phenotypes
    • 3-Methylcrotonyl-CoA carboxylase 1 deficiency, 210200
    • 3-METHYLCROTONYL-COA CARBOXYLASE DEFICIENCY
    Red MCCC1 in Childhood onset dystonia, chorea or related movement disorder


    Level 2: Neurology
    Version 8.3
    Latest signed off version: v8.0 (6 May 2026)

    		review Not set
    Sources
    • Expert Review Red
    • London North GLH