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UniProtKB/Swiss-Prot P20783: Variant p.Gly76Glu

Neurotrophin-3
Gene: NTF3
Variant information

Variant position:  76
The position of the amino-acid change on the UniProtKB canonical protein sequence.

Type of variant:  LB/B
The variants are classified into three categories: LP/P, LB/B and US.
  • LP/P: likely pathogenic or pathogenic.
  • LB/B: likely benign or benign.
  • US: uncertain significance

Residue change:  From Glycine (G) to Glutamate (E) at position 76 (G76E, p.Gly76Glu).
Indicates the amino acid change of the variant. The one-letter and three-letter codes for amino acids used in UniProtKB/Swiss-Prot are those adopted by the commission on Biochemical Nomenclature of the IUPAC-IUB.

Physico-chemical properties:  Change from glycine (G) to medium size and acidic (E)
The physico-chemical property of the reference and variant residues and the change implicated.

BLOSUM score:  -2
The score within a Blosum matrix for the corresponding wild-type to variant amino acid change. The log-odds score measures the logarithm for the ratio of the likelihood of two amino acids appearing by chance. The Blosum62 substitution matrix is used. This substitution matrix contains scores for all possible exchanges of one amino acid with another:
  • Lowest score: -4 (low probability of substitution).
  • Highest score: 11 (high probability of substitution).
More information can be found on the following page

Polymorphism:  Variant Glu-76 (frequently reported as Glu-63) was thought to be associated with severe forms of schizophrenia. This does not seem to be the case.
Additional information on the polymorphism described.

Other resources:  
Links to websites of interest for the variant.



Sequence information

Variant position:  76
The position of the amino-acid change on the UniProtKB canonical protein sequence.

Protein sequence length:  257
The length of the canonical sequence.

Location on the sequence:   KENYQSTLPKAEAPREPERG  G PAKSAFQPVIAMDTELLRQQ
The residue change on the sequence. Unless the variant is located at the beginning or at the end of the protein sequence, both residues upstream (20) and downstream (20) of the variant will be shown.

Residue conservation: 
The multiple alignment of the region surrounding the variant against various orthologous sequences.

Human                         KENYQSTLPKAEAPREPERGGPAKSAFQPVIAMDTELLRQ--Q

Mouse                         KENYQSTLPKAEAPREPEQGEATRSEFQPMIATDTELLRQ-

Rat                           KENYQSTLPKAEAPREPEQGEATRSEFQPMIATDTELLRQ-

Pig                           QENYQSTLPKAEAPREPERGEPAKSEFQPVTAVGPEWLRH-

Bovine                        KENYQSTLPKAEAPPR----EPAKSEFQPVTAMGPELLRQ-

Cat                           KENYQSTLPKAEAPREPEQGEPAKSEFQPVTAMDTELLRQ-

Chicken                       KENYQNIVQKVEDHQEMDGDENVKSDFQPVISMDTDLLRQ-

Xenopus laevis                KENHQSTIPKPQILLDLDGDDNMKQDFQPVISLEAELVKQQ

Sequence annotation in neighborhood:  
The regions or sites of interest surrounding the variant. In general the features listed are posttranslational modifications, binding sites, enzyme active sites, local secondary structure or other characteristics reported in the cited references. The "Sequence annotation in neighborhood" lines have a fixed format:
  • Type: the type of sequence feature.
  • Positions: endpoints of the sequence feature.
  • Description: contains additional information about the feature.

TypePositionsDescription
Propeptide 19 – 138
Region 61 – 81 Disordered


Literature citations

Association of neurotrophin-3 gene variant with severe forms of schizophrenia.
Hattori M.; Nanko S.;
Biochem. Biophys. Res. Commun. 209:513-518(1995)
Cited for: VARIANT GLU-76;

Failure to find associations of the CA repeat polymorphism in the first intron and the Gly-63/Glu-63 polymorphism of the neurotrophin-3 gene with schizophrenia.
Arinami T.; Takekoshi K.; Itokawa M.; Hamaguchi H.; Toru M.;
Psychiatr. Genet. 6:13-15(1996)
Cited for: VARIANT GLU-76;

Disclaimer: Any medical or genetic information present in this entry is provided for research, educational and informational purposes only. They are not in any way intended to be used as a substitute for professional medical advice, diagnostic, treatment or care.