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NM_000518.5(HBB):c.437A>G (p.Tyr146Cys) AND Erythrocytosis, familial, 6

Germline classification:
Pathogenic (1 submission)
Last evaluated:
May 1, 1999
Review status:
(0/4) 0 stars out of maximum of 4 stars
no assertion criteria provided
Somatic classification
of clinical impact:
None
Review status:
(0/4) 0 stars out of maximum of 4 stars
no assertion criteria provided
Somatic classification
of oncogenicity:
None
Review status:
(0/4) 0 stars out of maximum of 4 stars
no assertion criteria provided
Record status:
current
Accession:
RCV000641598.9

Allele description [Variation Report for NM_000518.5(HBB):c.437A>G (p.Tyr146Cys)]

NM_000518.5(HBB):c.437A>G (p.Tyr146Cys)

Genes:
LOC110006319:beta-globin gene 3' regulatory region [Gene]
HBB:hemoglobin subunit beta [Gene - OMIM - HGNC]
LOC107133510:origin of replication at HBB [Gene]
Variant type:
single nucleotide variant
Cytogenetic location:
11p15.4
Genomic location:
Preferred name:
NM_000518.5(HBB):c.437A>G (p.Tyr146Cys)
Other names:
Y145C
HGVS:
  • NC_000011.10:g.5225605T>C
  • NG_000007.3:g.72011A>G
  • NG_046672.1:g.3540T>C
  • NG_053049.1:g.1926T>C
  • NG_059281.1:g.6467A>G
  • NM_000518.5:c.437A>GMANE SELECT
  • NP_000509.1:p.Tyr146Cys
  • LRG_1232t1:c.437A>G
  • LRG_1232:g.6467A>G
  • LRG_1232p1:p.Tyr146Cys
  • NC_000011.9:g.5246835T>C
  • NM_000518.4:c.437A>G
  • P68871:p.Tyr146Cys
Protein change:
Y146C; TYR145CYS
Links:
UniProtKB: P68871#VAR_003090; OMIM: 141900.0232; dbSNP: rs35117167
NCBI 1000 Genomes Browser:
rs35117167
Molecular consequence:
  • NM_000518.5:c.437A>G - missense variant - [Sequence Ontology: SO:0001583]

Condition(s)

Name:
Erythrocytosis, familial, 6
Synonyms:
ERYTHROCYTOSIS, BETA-GLOBIN TYPE; POLYCYTHEMIA, BETA-GLOBIN TYPE
Identifiers:
MONDO: MONDO:0054801; MedGen: C4693822; OMIM: 617980

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Assertion and evidence details

Submission AccessionSubmitterReview Status
(Assertion method)
Clinical Significance
(Last evaluated)
OriginMethodCitations
SCV000763240OMIM
no assertion criteria provided
Pathogenic
(May 1, 1999)
germlineliterature only

PubMed (8)
[See all records that cite these PMIDs]

Summary from all submissions

EthnicityOriginAffectedIndividualsFamiliesChromosomes testedNumber TestedFamily historyMethod
not providedgermlinenot providednot providednot providednot providednot providednot providedliterature only

Citations

PubMed

Single chain alkali resistance in hemoglobin Rainier: beta 145 tyrosine-histidine.

Stamatoyannopoulos G, Yoshida A.

Science. 1969 Nov 21;166(3908):1005-6.

PubMed [citation]
PMID:
5347519

Erythrocytosis associated with hemoglobin Rainier: oxygen equilibria and marrow regulation.

Adamson JW, Parer JT, Stamatoyannopoulos G.

J Clin Invest. 1969 Aug;48(8):1376-86.

PubMed [citation]
PMID:
5796352
PMCID:
PMC322364
See all PubMed Citations (8)

Details of each submission

From OMIM, SCV000763240.1

#EthnicityIndividualsChromosomes TestedFamily HistoryMethodCitations
1not providednot providednot providednot providedliterature only PubMed (8)

Description

See Stamatoyannopoulos et al. (1968), Adamson et al. (1969), Stamatoyannopoulos and Yoshida (1969), Greer and Perutz (1971), Hayashi et al. (1971), and Salhany (1972). Hb Rainier causes erythrocytosis and is the only adult hemoglobin that is alkali-resistant. See Hb Bethesda (141900.0022), with which Rainier was confused earlier. Peters et al. (1985) studied a hemoglobin mutation induced by ethylnitrosourea in the mouse. Substitution of cysteine for tyrosine at codon 145 of the HBB gene was demonstrated by amino acid analysis. They proposed that an A-to-G transition in the tyrosine codon (TAC-to-TGC) had occurred. The mouse was polycythemic.

Carbone et al. (1999) identified a high oxygen affinity hemoglobin variant in a 53-year-old male from Naples, Italy, who suffered from pulmonary thromboembolism and polycythemia. Characterization of this variant at the protein level detected the presence of Hb Rainier. The mutation resulted from an A-to-G transition at the second position of codon 145 of the HBB gene, resulting in a tyr145-to-cys substitution.

#SampleMethodObservation
OriginAffectedNumber testedTissuePurposeMethodIndividualsAllele frequencyFamiliesCo-occurrences
1germlinenot providednot providednot providednot providednot providednot providednot providednot provided

Last Updated: Apr 20, 2024