KEGG   DISEASE: Methylcobalamin deficiency type G
Entry
H01285                      Disease                                
Name
Methylcobalamin deficiency type G
  Supergrp
Homocystinuria [DS:H00183]
Description
Methylcobalamin deficiency type G (cblG) is an autosomal recessive disease characterized by homocystinuria, hyperhomocysteinemia, and hypomethioninemia. Mutations in the MTR gene, which encodes methionine synthase result in this disease.
Category
Inherited metabolic disorder
Brite
Human diseases in ICD-11 classification [BR:br08403]
 05 Endocrine, nutritional or metabolic diseases
  Metabolic disorders
   Inborn errors of metabolism
    5C50  Inborn errors of amino acid or other organic acid metabolism
     H01285  Methylcobalamin deficiency type G
Pathway
hsa00270  Cysteine and methionine metabolism
hsa00450  Selenocompound metabolism
hsa00670  One carbon pool by folate
Gene
MTR [HSA:4548] [KO:K00548]
Other DBs
ICD-11: 5C50.B
MeSH: C565394
OMIM: 250940
Reference
  Authors
Watkins D, Ru M, Hwang HY, Kim CD, Murray A, Philip NS, Kim W, Legakis H, Wai T, Hilton JF, Ge B, Dore C, Hosack A, Wilson A, Gravel RA, Shane B, Hudson TJ, Rosenblatt DS
  Title
Hyperhomocysteinemia due to methionine synthase deficiency, cblG: structure of the MTR gene, genotype diversity, and recognition of a common mutation, P1173L.
  Journal
Am J Hum Genet 71:143-53 (2002)
DOI:10.1086/341354
LinkDB

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